webmaster@1: this page.', array('@node_access_rebuild' => url('admin/content/node-settings/rebuild')));
webmaster@1: }
webmaster@1: drupal_set_message($message, 'error');
webmaster@1: }
webmaster@1:
webmaster@1: switch ($path) {
webmaster@1: case 'admin/help#node':
webmaster@1: $output = '
'. t('The node module manages content on your site, and stores all posts (regardless of type) as a "node". In addition to basic publishing settings, including whether the post has been published, promoted to the site front page, or should remain present (or sticky) at the top of lists, the node module also records basic information about the author of a post. Optional revision control over edits is available. For additional functionality, the node module is often extended by other modules.') .'
';
webmaster@1: $output .= ''. t('Though each post on your site is a node, each post is also of a particular content type. Content types are used to define the characteristics of a post, including the title and description of the fields displayed on its add and edit pages. Each content type may have different default settings for Publishing options and other workflow controls. By default, the two content types in a standard Drupal installation are Page and Story. Use the content types page to add new or edit existing content types. Additional content types also become available as you enable additional core, contributed and custom modules.', array('@content-type' => url('admin/content/types'))) .'
';
webmaster@1: $output .= ''. t('The administrative content page allows you to review and manage your site content. The post settings page sets certain options for the display of posts. The node module makes a number of permissions available for each content type, which may be set by role on the permissions page.', array('@content' => url('admin/content/node'), '@post-settings' => url('admin/content/node-settings'), '@permissions' => url('admin/user/permissions'))) .'
';
webmaster@1: $output .= ''. t('For more information, see the online handbook entry for Node module.', array('@node' => 'http://drupal.org/handbook/modules/node/')) .'
';
webmaster@1: return $output;
webmaster@1: case 'admin/content/node':
webmaster@1: return ' '; // Return a non-null value so that the 'more help' link is shown.
webmaster@1: case 'admin/content/types':
webmaster@1: return ''. t('Below is a list of all the content types on your site. All posts that exist on your site are instances of one of these content types.') .'
';
webmaster@1: case 'admin/content/types/add':
webmaster@1: return ''. t('To create a new content type, enter the human-readable name, the machine-readable name, and all other relevant fields that are on this page. Once created, users of your site will be able to create posts that are instances of this content type.') .'
';
webmaster@1: case 'node/%/revisions':
webmaster@1: return ''. t('The revisions let you track differences between multiple versions of a post.') .'
';
webmaster@1: case 'node/%/edit':
webmaster@1: $node = node_load($arg[1]);
webmaster@1: $type = node_get_types('type', $node->type);
webmaster@1: return (!empty($type->help) ? ''. filter_xss_admin($type->help) .'
' : '');
webmaster@1: }
webmaster@1:
webmaster@1: if ($arg[0] == 'node' && $arg[1] == 'add' && $arg[2]) {
webmaster@1: $type = node_get_types('type', str_replace('-', '_', $arg[2]));
webmaster@1: return (!empty($type->help) ? ''. filter_xss_admin($type->help) .'
' : '');
webmaster@1: }
webmaster@1: }
webmaster@1:
webmaster@1: /**
webmaster@1: * Implementation of hook_theme()
webmaster@1: */
webmaster@1: function node_theme() {
webmaster@1: return array(
webmaster@1: 'node' => array(
webmaster@1: 'arguments' => array('node' => NULL, 'teaser' => FALSE, 'page' => FALSE),
webmaster@1: 'template' => 'node',
webmaster@1: ),
webmaster@1: 'node_list' => array(
webmaster@1: 'arguments' => array('items' => NULL, 'title' => NULL),
webmaster@1: ),
webmaster@1: 'node_search_admin' => array(
webmaster@1: 'arguments' => array('form' => NULL),
webmaster@1: ),
webmaster@1: 'node_filter_form' => array(
webmaster@1: 'arguments' => array('form' => NULL),
webmaster@1: 'file' => 'node.admin.inc',
webmaster@1: ),
webmaster@1: 'node_filters' => array(
webmaster@1: 'arguments' => array('form' => NULL),
webmaster@1: 'file' => 'node.admin.inc',
webmaster@1: ),
webmaster@1: 'node_admin_nodes' => array(
webmaster@1: 'arguments' => array('form' => NULL),
webmaster@1: 'file' => 'node.admin.inc',
webmaster@1: ),
webmaster@1: 'node_add_list' => array(
webmaster@1: 'arguments' => array('content' => NULL),
webmaster@1: 'file' => 'node.pages.inc',
webmaster@1: ),
webmaster@1: 'node_form' => array(
webmaster@1: 'arguments' => array('form' => NULL),
webmaster@1: 'file' => 'node.pages.inc',
webmaster@1: ),
webmaster@1: 'node_preview' => array(
webmaster@1: 'arguments' => array('node' => NULL),
webmaster@1: 'file' => 'node.pages.inc',
webmaster@1: ),
webmaster@1: 'node_log_message' => array(
webmaster@1: 'arguments' => array('log' => NULL),
webmaster@1: ),
webmaster@1: 'node_submitted' => array(
webmaster@1: 'arguments' => array('node' => NULL),
webmaster@1: ),
webmaster@1: );
webmaster@1: }
webmaster@1:
webmaster@1: /**
webmaster@1: * Implementation of hook_cron().
webmaster@1: */
webmaster@1: function node_cron() {
webmaster@1: db_query('DELETE FROM {history} WHERE timestamp < %d', NODE_NEW_LIMIT);
webmaster@1: }
webmaster@1:
webmaster@1: /**
webmaster@1: * Gather a listing of links to nodes.
webmaster@1: *
webmaster@1: * @param $result
webmaster@1: * A DB result object from a query to fetch node objects. If your query
webmaster@1: * joins the node_comment_statistics
table so that the
webmaster@1: * comment_count
field is available, a title attribute will
webmaster@1: * be added to show the number of comments.
webmaster@1: * @param $title
webmaster@1: * A heading for the resulting list.
webmaster@1: *
webmaster@1: * @return
webmaster@1: * An HTML list suitable as content for a block, or FALSE if no result can
webmaster@1: * fetch from DB result object.
webmaster@1: */
webmaster@1: function node_title_list($result, $title = NULL) {
webmaster@1: $items = array();
webmaster@1: $num_rows = FALSE;
webmaster@1: while ($node = db_fetch_object($result)) {
webmaster@7: $items[] = l($node->title, 'node/'. $node->nid, !empty($node->comment_count) ? array('attributes' => array('title' => format_plural($node->comment_count, '1 comment', '@count comments'))) : array());
webmaster@1: $num_rows = TRUE;
webmaster@1: }
webmaster@1:
webmaster@1: return $num_rows ? theme('node_list', $items, $title) : FALSE;
webmaster@1: }
webmaster@1:
webmaster@1: /**
webmaster@1: * Format a listing of links to nodes.
webmaster@1: *
webmaster@1: * @ingroup themeable
webmaster@1: */
webmaster@1: function theme_node_list($items, $title = NULL) {
webmaster@1: return theme('item_list', $items, $title);
webmaster@1: }
webmaster@1:
webmaster@1: /**
webmaster@1: * Update the 'last viewed' timestamp of the specified node for current user.
webmaster@1: */
webmaster@1: function node_tag_new($nid) {
webmaster@1: global $user;
webmaster@1:
webmaster@1: if ($user->uid) {
webmaster@1: if (node_last_viewed($nid)) {
webmaster@1: db_query('UPDATE {history} SET timestamp = %d WHERE uid = %d AND nid = %d', time(), $user->uid, $nid);
webmaster@1: }
webmaster@1: else {
webmaster@1: @db_query('INSERT INTO {history} (uid, nid, timestamp) VALUES (%d, %d, %d)', $user->uid, $nid, time());
webmaster@1: }
webmaster@1: }
webmaster@1: }
webmaster@1:
webmaster@1: /**
webmaster@1: * Retrieves the timestamp at which the current user last viewed the
webmaster@1: * specified node.
webmaster@1: */
webmaster@1: function node_last_viewed($nid) {
webmaster@1: global $user;
webmaster@1: static $history;
webmaster@1:
webmaster@1: if (!isset($history[$nid])) {
webmaster@1: $history[$nid] = db_fetch_object(db_query("SELECT timestamp FROM {history} WHERE uid = %d AND nid = %d", $user->uid, $nid));
webmaster@1: }
webmaster@1:
webmaster@1: return (isset($history[$nid]->timestamp) ? $history[$nid]->timestamp : 0);
webmaster@1: }
webmaster@1:
webmaster@1: /**
webmaster@1: * Decide on the type of marker to be displayed for a given node.
webmaster@1: *
webmaster@1: * @param $nid
webmaster@1: * Node ID whose history supplies the "last viewed" timestamp.
webmaster@1: * @param $timestamp
webmaster@1: * Time which is compared against node's "last viewed" timestamp.
webmaster@1: * @return
webmaster@1: * One of the MARK constants.
webmaster@1: */
webmaster@1: function node_mark($nid, $timestamp) {
webmaster@1: global $user;
webmaster@1: static $cache;
webmaster@1:
webmaster@1: if (!$user->uid) {
webmaster@1: return MARK_READ;
webmaster@1: }
webmaster@1: if (!isset($cache[$nid])) {
webmaster@1: $cache[$nid] = node_last_viewed($nid);
webmaster@1: }
webmaster@1: if ($cache[$nid] == 0 && $timestamp > NODE_NEW_LIMIT) {
webmaster@1: return MARK_NEW;
webmaster@1: }
webmaster@1: elseif ($timestamp > $cache[$nid] && $timestamp > NODE_NEW_LIMIT) {
webmaster@1: return MARK_UPDATED;
webmaster@1: }
webmaster@1: return MARK_READ;
webmaster@1: }
webmaster@1:
webmaster@1: /**
webmaster@1: * See if the user used JS to submit a teaser.
webmaster@1: */
webmaster@1: function node_teaser_js(&$form, &$form_state) {
webmaster@1: if (isset($form['#post']['teaser_js'])) {
webmaster@1: // Glue the teaser to the body.
webmaster@1: if (trim($form_state['values']['teaser_js'])) {
webmaster@1: // Space the teaser from the body
webmaster@1: $body = trim($form_state['values']['teaser_js']) ."\r\n\r\n". trim($form_state['values']['body']);
webmaster@1: }
webmaster@1: else {
webmaster@1: // Empty teaser, no spaces.
webmaster@1: $body = ''. $form_state['values']['body'];
webmaster@1: }
webmaster@1: // Pass updated body value on to preview/submit form processing.
webmaster@1: form_set_value($form['body'], $body, $form_state);
webmaster@1: // Pass updated body value back onto form for those cases
webmaster@1: // in which the form is redisplayed.
webmaster@1: $form['body']['#value'] = $body;
webmaster@1: }
webmaster@1: return $form;
webmaster@1: }
webmaster@1:
webmaster@1: /**
webmaster@1: * Ensure value of "teaser_include" checkbox is consistent with other form data.
webmaster@1: *
webmaster@1: * This handles two situations in which an unchecked checkbox is rejected:
webmaster@1: *
webmaster@1: * 1. The user defines a teaser (summary) but it is empty;
webmaster@1: * 2. The user does not define a teaser (summary) (in this case an
webmaster@1: * unchecked checkbox would cause the body to be empty, or missing
webmaster@1: * the auto-generated teaser).
webmaster@1: *
webmaster@1: * If JavaScript is active then it is used to force the checkbox to be
webmaster@1: * checked when hidden, and so the second case will not arise.
webmaster@1: *
webmaster@1: * In either case a warning message is output.
webmaster@1: */
webmaster@1: function node_teaser_include_verify(&$form, &$form_state) {
webmaster@1: $message = '';
webmaster@1:
webmaster@1: // $form['#post'] is set only when the form is built for preview/submit.
webmaster@1: if (isset($form['#post']['body']) && isset($form_state['values']['teaser_include']) && !$form_state['values']['teaser_include']) {
webmaster@1: // "teaser_include" checkbox is present and unchecked.
webmaster@1: if (strpos($form_state['values']['body'], '') === 0) {
webmaster@1: // Teaser is empty string.
webmaster@1: $message = t('You specified that the summary should not be shown when this post is displayed in full view. This setting is ignored when the summary is empty.');
webmaster@1: }
webmaster@1: elseif (strpos($form_state['values']['body'], '') === FALSE) {
webmaster@1: // Teaser delimiter is not present in the body.
webmaster@1: $message = t('You specified that the summary should not be shown when this post is displayed in full view. This setting has been ignored since you have not defined a summary for the post. (To define a summary, insert the delimiter "<!--break-->" (without the quotes) in the Body of the post to indicate the end of the summary and the start of the main content.)');
webmaster@1: }
webmaster@1:
webmaster@1: if (!empty($message)) {
webmaster@1: drupal_set_message($message, 'warning');
webmaster@1: // Pass new checkbox value on to preview/submit form processing.
webmaster@1: form_set_value($form['teaser_include'], 1, $form_state);
webmaster@1: // Pass new checkbox value back onto form for those cases
webmaster@1: // in which form is redisplayed.
webmaster@1: $form['teaser_include']['#value'] = 1;
webmaster@1: }
webmaster@1: }
webmaster@1:
webmaster@1: return $form;
webmaster@1: }
webmaster@1:
webmaster@1: /**
webmaster@1: * Generate a teaser for a node body.
webmaster@1: *
webmaster@1: * If the end of the teaser is not indicated using the delimiter
webmaster@1: * then we generate the teaser automatically, trying to end it at a sensible
webmaster@1: * place such as the end of a paragraph, a line break, or the end of a
webmaster@1: * sentence (in that order of preference).
webmaster@1: *
webmaster@1: * @param $body
webmaster@1: * The content for which a teaser will be generated.
webmaster@1: * @param $format
webmaster@1: * The format of the content. If the content contains PHP code, we do not
webmaster@1: * split it up to prevent parse errors. If the line break filter is present
webmaster@1: * then we treat newlines embedded in $body as line breaks.
webmaster@1: * @param $size
webmaster@1: * The desired character length of the teaser. If omitted, the default
webmaster@1: * value will be used. Ignored if the special delimiter is present
webmaster@1: * in $body.
webmaster@1: * @return
webmaster@1: * The generated teaser.
webmaster@1: */
webmaster@1: function node_teaser($body, $format = NULL, $size = NULL) {
webmaster@1:
webmaster@1: if (!isset($size)) {
webmaster@1: $size = variable_get('teaser_length', 600);
webmaster@1: }
webmaster@1:
webmaster@1: // Find where the delimiter is in the body
webmaster@1: $delimiter = strpos($body, '');
webmaster@1:
webmaster@1: // If the size is zero, and there is no delimiter, the entire body is the teaser.
webmaster@1: if ($size == 0 && $delimiter === FALSE) {
webmaster@1: return $body;
webmaster@1: }
webmaster@1:
webmaster@1: // If a valid delimiter has been specified, use it to chop off the teaser.
webmaster@1: if ($delimiter !== FALSE) {
webmaster@1: return substr($body, 0, $delimiter);
webmaster@1: }
webmaster@1:
webmaster@1: // We check for the presence of the PHP evaluator filter in the current
webmaster@1: // format. If the body contains PHP code, we do not split it up to prevent
webmaster@1: // parse errors.
webmaster@1: if (isset($format)) {
webmaster@1: $filters = filter_list_format($format);
webmaster@1: if (isset($filters['php/0']) && strpos($body, '') !== FALSE) {
webmaster@1: return $body;
webmaster@1: }
webmaster@1: }
webmaster@1:
webmaster@1: // If we have a short body, the entire body is the teaser.
webmaster@1: if (drupal_strlen($body) <= $size) {
webmaster@1: return $body;
webmaster@1: }
webmaster@1:
webmaster@1: // If the delimiter has not been specified, try to split at paragraph or
webmaster@1: // sentence boundaries.
webmaster@1:
webmaster@1: // The teaser may not be longer than maximum length specified. Initial slice.
webmaster@1: $teaser = truncate_utf8($body, $size);
webmaster@1:
webmaster@1: // Store the actual length of the UTF8 string -- which might not be the same
webmaster@1: // as $size.
webmaster@1: $max_rpos = strlen($teaser);
webmaster@1:
webmaster@1: // How much to cut off the end of the teaser so that it doesn't end in the
webmaster@1: // middle of a paragraph, sentence, or word.
webmaster@1: // Initialize it to maximum in order to find the minimum.
webmaster@1: $min_rpos = $max_rpos;
webmaster@1:
webmaster@1: // Store the reverse of the teaser. We use strpos on the reversed needle and
webmaster@1: // haystack for speed and convenience.
webmaster@1: $reversed = strrev($teaser);
webmaster@1:
webmaster@1: // Build an array of arrays of break points grouped by preference.
webmaster@1: $break_points = array();
webmaster@1:
webmaster@1: // A paragraph near the end of sliced teaser is most preferable.
webmaster@1: $break_points[] = array('' => 0);
webmaster@1:
webmaster@1: // If no complete paragraph then treat line breaks as paragraphs.
webmaster@1: $line_breaks = array('
' => 6, '
' => 4);
webmaster@1: // Newline only indicates a line break if line break converter
webmaster@1: // filter is present.
webmaster@1: if (isset($filters['filter/1'])) {
webmaster@1: $line_breaks["\n"] = 1;
webmaster@1: }
webmaster@1: $break_points[] = $line_breaks;
webmaster@1:
webmaster@1: // If the first paragraph is too long, split at the end of a sentence.
webmaster@1: $break_points[] = array('. ' => 1, '! ' => 1, '? ' => 1, '。' => 0, '؟ ' => 1);
webmaster@1:
webmaster@1: // Iterate over the groups of break points until a break point is found.
webmaster@1: foreach ($break_points as $points) {
webmaster@1: // Look for each break point, starting at the end of the teaser.
webmaster@1: foreach ($points as $point => $offset) {
webmaster@1: // The teaser is already reversed, but the break point isn't.
webmaster@1: $rpos = strpos($reversed, strrev($point));
webmaster@1: if ($rpos !== FALSE) {
webmaster@1: $min_rpos = min($rpos + $offset, $min_rpos);
webmaster@1: }
webmaster@1: }
webmaster@1:
webmaster@1: // If a break point was found in this group, slice and return the teaser.
webmaster@1: if ($min_rpos !== $max_rpos) {
webmaster@1: // Don't slice with length 0. Length must be <0 to slice from RHS.
webmaster@1: return ($min_rpos === 0) ? $teaser : substr($teaser, 0, 0 - $min_rpos);
webmaster@1: }
webmaster@1: }
webmaster@1:
webmaster@1: // If a break point was not found, still return a teaser.
webmaster@1: return $teaser;
webmaster@1: }
webmaster@1:
webmaster@1: /**
webmaster@1: * Builds a list of available node types, and returns all of part of this list
webmaster@1: * in the specified format.
webmaster@1: *
webmaster@1: * @param $op
webmaster@1: * The format in which to return the list. When this is set to 'type',
webmaster@1: * 'module', or 'name', only the specified node type is returned. When set to
webmaster@1: * 'types' or 'names', all node types are returned.
webmaster@1: * @param $node
webmaster@1: * A node object, array, or string that indicates the node type to return.
webmaster@1: * Leave at default value (NULL) to return a list of all node types.
webmaster@1: * @param $reset
webmaster@1: * Whether or not to reset this function's internal cache (defaults to
webmaster@1: * FALSE).
webmaster@1: *
webmaster@1: * @return
webmaster@1: * Either an array of all available node types, or a single node type, in a
webmaster@1: * variable format. Returns FALSE if the node type is not found.
webmaster@1: */
webmaster@1: function node_get_types($op = 'types', $node = NULL, $reset = FALSE) {
webmaster@1: static $_node_types, $_node_names;
webmaster@1:
webmaster@1: if ($reset || !isset($_node_types)) {
webmaster@1: list($_node_types, $_node_names) = _node_types_build();
webmaster@1: }
webmaster@1:
webmaster@1: if ($node) {
webmaster@1: if (is_array($node)) {
webmaster@1: $type = $node['type'];
webmaster@1: }
webmaster@1: elseif (is_object($node)) {
webmaster@1: $type = $node->type;
webmaster@1: }
webmaster@1: elseif (is_string($node)) {
webmaster@1: $type = $node;
webmaster@1: }
webmaster@1: if (!isset($_node_types[$type])) {
webmaster@1: return FALSE;
webmaster@1: }
webmaster@1: }
webmaster@1: switch ($op) {
webmaster@1: case 'types':
webmaster@1: return $_node_types;
webmaster@1: case 'type':
webmaster@1: return isset($_node_types[$type]) ? $_node_types[$type] : FALSE;
webmaster@1: case 'module':
webmaster@1: return isset($_node_types[$type]->module) ? $_node_types[$type]->module : FALSE;
webmaster@1: case 'names':
webmaster@1: return $_node_names;
webmaster@1: case 'name':
webmaster@1: return isset($_node_names[$type]) ? $_node_names[$type] : FALSE;
webmaster@1: }
webmaster@1: }
webmaster@1:
webmaster@1: /**
webmaster@1: * Resets the database cache of node types, and saves all new or non-modified
webmaster@1: * module-defined node types to the database.
webmaster@1: */
webmaster@1: function node_types_rebuild() {
webmaster@1: _node_types_build();
webmaster@1:
webmaster@1: $node_types = node_get_types('types', NULL, TRUE);
webmaster@1:
webmaster@1: foreach ($node_types as $type => $info) {
webmaster@1: if (!empty($info->is_new)) {
webmaster@1: node_type_save($info);
webmaster@1: }
webmaster@1: if (!empty($info->disabled)) {
webmaster@1: node_type_delete($info->type);
webmaster@1: }
webmaster@1: }
webmaster@1:
webmaster@1: _node_types_build();
webmaster@1: }
webmaster@1:
webmaster@1: /**
webmaster@1: * Saves a node type to the database.
webmaster@1: *
webmaster@1: * @param $info
webmaster@1: * The node type to save, as an object.
webmaster@1: *
webmaster@1: * @return
webmaster@1: * Status flag indicating outcome of the operation.
webmaster@1: */
webmaster@1: function node_type_save($info) {
webmaster@1: $is_existing = FALSE;
webmaster@1: $existing_type = !empty($info->old_type) ? $info->old_type : $info->type;
webmaster@1: $is_existing = db_result(db_query("SELECT COUNT(*) FROM {node_type} WHERE type = '%s'", $existing_type));
webmaster@1: if (!isset($info->help)) {
webmaster@1: $info->help = '';
webmaster@1: }
webmaster@1: if (!isset($info->min_word_count)) {
webmaster@1: $info->min_word_count = 0;
webmaster@1: }
webmaster@1: if (!isset($info->body_label)) {
webmaster@1: $info->body_label = '';
webmaster@1: }
webmaster@1:
webmaster@1: if ($is_existing) {
webmaster@1: db_query("UPDATE {node_type} SET type = '%s', name = '%s', module = '%s', has_title = %d, title_label = '%s', has_body = %d, body_label = '%s', description = '%s', help = '%s', min_word_count = %d, custom = %d, modified = %d, locked = %d WHERE type = '%s'", $info->type, $info->name, $info->module, $info->has_title, $info->title_label, $info->has_body, $info->body_label, $info->description, $info->help, $info->min_word_count, $info->custom, $info->modified, $info->locked, $existing_type);
webmaster@1:
webmaster@1: module_invoke_all('node_type', 'update', $info);
webmaster@1: return SAVED_UPDATED;
webmaster@1: }
webmaster@1: else {
webmaster@1: db_query("INSERT INTO {node_type} (type, name, module, has_title, title_label, has_body, body_label, description, help, min_word_count, custom, modified, locked, orig_type) VALUES ('%s', '%s', '%s', %d, '%s', %d, '%s', '%s', '%s', %d, %d, %d, %d, '%s')", $info->type, $info->name, $info->module, $info->has_title, $info->title_label, $info->has_body, $info->body_label, $info->description, $info->help, $info->min_word_count, $info->custom, $info->modified, $info->locked, $info->orig_type);
webmaster@1:
webmaster@1: module_invoke_all('node_type', 'insert', $info);
webmaster@1: return SAVED_NEW;
webmaster@1: }
webmaster@1: }
webmaster@1:
webmaster@1: /**
webmaster@1: * Deletes a node type from the database.
webmaster@1: *
webmaster@1: * @param $type
webmaster@1: * The machine-readable name of the node type to be deleted.
webmaster@1: */
webmaster@1: function node_type_delete($type) {
webmaster@1: $info = node_get_types('type', $type);
webmaster@1: db_query("DELETE FROM {node_type} WHERE type = '%s'", $type);
webmaster@1: module_invoke_all('node_type', 'delete', $info);
webmaster@1: }
webmaster@1:
webmaster@1: /**
webmaster@1: * Updates all nodes of one type to be of another type.
webmaster@1: *
webmaster@1: * @param $old_type
webmaster@1: * The current node type of the nodes.
webmaster@1: * @param $type
webmaster@1: * The new node type of the nodes.
webmaster@1: *
webmaster@1: * @return
webmaster@1: * The number of nodes whose node type field was modified.
webmaster@1: */
webmaster@1: function node_type_update_nodes($old_type, $type) {
webmaster@1: db_query("UPDATE {node} SET type = '%s' WHERE type = '%s'", $type, $old_type);
webmaster@1: return db_affected_rows();
webmaster@1: }
webmaster@1:
webmaster@1: /**
webmaster@1: * Builds and returns the list of available node types.
webmaster@1: *
webmaster@1: * The list of types is built by querying hook_node_info() in all modules, and
webmaster@1: * by comparing this information with the node types in the {node_type} table.
webmaster@1: *
webmaster@1: */
webmaster@1: function _node_types_build() {
webmaster@1: $_node_types = array();
webmaster@1: $_node_names = array();
webmaster@1:
webmaster@1: $info_array = module_invoke_all('node_info');
webmaster@1: foreach ($info_array as $type => $info) {
webmaster@1: $info['type'] = $type;
webmaster@1: $_node_types[$type] = (object) _node_type_set_defaults($info);
webmaster@1: $_node_names[$type] = $info['name'];
webmaster@1: }
webmaster@1:
webmaster@1: $type_result = db_query(db_rewrite_sql('SELECT nt.type, nt.* FROM {node_type} nt ORDER BY nt.type ASC', 'nt', 'type'));
webmaster@1: while ($type_object = db_fetch_object($type_result)) {
webmaster@1: // Check for node types from disabled modules and mark their types for removal.
webmaster@1: // Types defined by the node module in the database (rather than by a separate
webmaster@1: // module using hook_node_info) have a module value of 'node'.
webmaster@1: if ($type_object->module != 'node' && empty($info_array[$type_object->type])) {
webmaster@1: $type_object->disabled = TRUE;
webmaster@1: }
webmaster@1: if (!isset($_node_types[$type_object->type]) || $type_object->modified) {
webmaster@1: $_node_types[$type_object->type] = $type_object;
webmaster@1: $_node_names[$type_object->type] = $type_object->name;
webmaster@1:
webmaster@1: if ($type_object->type != $type_object->orig_type) {
webmaster@1: unset($_node_types[$type_object->orig_type]);
webmaster@1: unset($_node_names[$type_object->orig_type]);
webmaster@1: }
webmaster@1: }
webmaster@1: }
webmaster@1:
webmaster@1: asort($_node_names);
webmaster@1:
webmaster@1: return array($_node_types, $_node_names);
webmaster@1: }
webmaster@1:
webmaster@1: /**
webmaster@1: * Set default values for a node type defined through hook_node_info().
webmaster@1: */
webmaster@1: function _node_type_set_defaults($info) {
webmaster@1: if (!isset($info['has_title'])) {
webmaster@1: $info['has_title'] = TRUE;
webmaster@1: }
webmaster@1: if ($info['has_title'] && !isset($info['title_label'])) {
webmaster@1: $info['title_label'] = t('Title');
webmaster@1: }
webmaster@1:
webmaster@1: if (!isset($info['has_body'])) {
webmaster@1: $info['has_body'] = TRUE;
webmaster@1: }
webmaster@1: if ($info['has_body'] && !isset($info['body_label'])) {
webmaster@1: $info['body_label'] = t('Body');
webmaster@1: }
webmaster@1:
webmaster@1: if (!isset($info['help'])) {
webmaster@1: $info['help'] = '';
webmaster@1: }
webmaster@1: if (!isset($info['min_word_count'])) {
webmaster@1: $info['min_word_count'] = 0;
webmaster@1: }
webmaster@1: if (!isset($info['custom'])) {
webmaster@1: $info['custom'] = FALSE;
webmaster@1: }
webmaster@1: if (!isset($info['modified'])) {
webmaster@1: $info['modified'] = FALSE;
webmaster@1: }
webmaster@1: if (!isset($info['locked'])) {
webmaster@1: $info['locked'] = TRUE;
webmaster@1: }
webmaster@1:
webmaster@1: $info['orig_type'] = $info['type'];
webmaster@1: $info['is_new'] = TRUE;
webmaster@1:
webmaster@1: return $info;
webmaster@1: }
webmaster@1:
webmaster@1: /**
webmaster@1: * Determine whether a node hook exists.
webmaster@1: *
webmaster@1: * @param &$node
webmaster@1: * Either a node object, node array, or a string containing the node type.
webmaster@1: * @param $hook
webmaster@1: * A string containing the name of the hook.
webmaster@1: * @return
webmaster@1: * TRUE iff the $hook exists in the node type of $node.
webmaster@1: */
webmaster@1: function node_hook(&$node, $hook) {
webmaster@1: $module = node_get_types('module', $node);
webmaster@1: if ($module == 'node') {
webmaster@1: $module = 'node_content'; // Avoid function name collisions.
webmaster@1: }
webmaster@1: return module_hook($module, $hook);
webmaster@1: }
webmaster@1:
webmaster@1: /**
webmaster@1: * Invoke a node hook.
webmaster@1: *
webmaster@1: * @param &$node
webmaster@1: * Either a node object, node array, or a string containing the node type.
webmaster@1: * @param $hook
webmaster@1: * A string containing the name of the hook.
webmaster@1: * @param $a2, $a3, $a4
webmaster@1: * Arguments to pass on to the hook, after the $node argument.
webmaster@1: * @return
webmaster@1: * The returned value of the invoked hook.
webmaster@1: */
webmaster@1: function node_invoke(&$node, $hook, $a2 = NULL, $a3 = NULL, $a4 = NULL) {
webmaster@1: if (node_hook($node, $hook)) {
webmaster@1: $module = node_get_types('module', $node);
webmaster@1: if ($module == 'node') {
webmaster@1: $module = 'node_content'; // Avoid function name collisions.
webmaster@1: }
webmaster@1: $function = $module .'_'. $hook;
webmaster@1: return ($function($node, $a2, $a3, $a4));
webmaster@1: }
webmaster@1: }
webmaster@1:
webmaster@1: /**
webmaster@1: * Invoke a hook_nodeapi() operation in all modules.
webmaster@1: *
webmaster@1: * @param &$node
webmaster@1: * A node object.
webmaster@1: * @param $op
webmaster@1: * A string containing the name of the nodeapi operation.
webmaster@1: * @param $a3, $a4
webmaster@1: * Arguments to pass on to the hook, after the $node and $op arguments.
webmaster@1: * @return
webmaster@1: * The returned value of the invoked hooks.
webmaster@1: */
webmaster@1: function node_invoke_nodeapi(&$node, $op, $a3 = NULL, $a4 = NULL) {
webmaster@1: $return = array();
webmaster@1: foreach (module_implements('nodeapi') as $name) {
webmaster@1: $function = $name .'_nodeapi';
webmaster@1: $result = $function($node, $op, $a3, $a4);
webmaster@1: if (isset($result) && is_array($result)) {
webmaster@1: $return = array_merge($return, $result);
webmaster@1: }
webmaster@1: else if (isset($result)) {
webmaster@1: $return[] = $result;
webmaster@1: }
webmaster@1: }
webmaster@1: return $return;
webmaster@1: }
webmaster@1:
webmaster@1: /**
webmaster@1: * Load a node object from the database.
webmaster@1: *
webmaster@1: * @param $param
webmaster@1: * Either the nid of the node or an array of conditions to match against in the database query
webmaster@1: * @param $revision
webmaster@1: * Which numbered revision to load. Defaults to the current version.
webmaster@1: * @param $reset
webmaster@1: * Whether to reset the internal node_load cache.
webmaster@1: *
webmaster@1: * @return
webmaster@1: * A fully-populated node object.
webmaster@1: */
webmaster@1: function node_load($param = array(), $revision = NULL, $reset = NULL) {
webmaster@1: static $nodes = array();
webmaster@1:
webmaster@1: if ($reset) {
webmaster@1: $nodes = array();
webmaster@1: }
webmaster@1:
webmaster@1: $cachable = ($revision == NULL);
webmaster@1: $arguments = array();
webmaster@1: if (is_numeric($param)) {
webmaster@1: if ($cachable) {
webmaster@1: // Is the node statically cached?
webmaster@1: if (isset($nodes[$param])) {
webmaster@1: return is_object($nodes[$param]) ? drupal_clone($nodes[$param]) : $nodes[$param];
webmaster@1: }
webmaster@1: }
webmaster@1: $cond = 'n.nid = %d';
webmaster@1: $arguments[] = $param;
webmaster@1: }
webmaster@1: elseif (is_array($param)) {
webmaster@1: // Turn the conditions into a query.
webmaster@1: foreach ($param as $key => $value) {
webmaster@3: $cond[] = 'n.'. db_escape_table($key) ." = '%s'";
webmaster@1: $arguments[] = $value;
webmaster@1: }
webmaster@1: $cond = implode(' AND ', $cond);
webmaster@1: }
webmaster@1: else {
webmaster@1: return FALSE;
webmaster@1: }
webmaster@1:
webmaster@1: // Retrieve a field list based on the site's schema.
webmaster@1: $fields = drupal_schema_fields_sql('node', 'n');
webmaster@1: $fields = array_merge($fields, drupal_schema_fields_sql('node_revisions', 'r'));
webmaster@1: $fields = array_merge($fields, array('u.name', 'u.picture', 'u.data'));
webmaster@1: // Remove fields not needed in the query: n.vid and r.nid are redundant,
webmaster@1: // n.title is unnecessary because the node title comes from the
webmaster@1: // node_revisions table. We'll keep r.vid, r.title, and n.nid.
webmaster@1: $fields = array_diff($fields, array('n.vid', 'n.title', 'r.nid'));
webmaster@1: $fields = implode(', ', $fields);
webmaster@1: // Rename timestamp field for clarity.
webmaster@1: $fields = str_replace('r.timestamp', 'r.timestamp AS revision_timestamp', $fields);
webmaster@1: // Change name of revision uid so it doesn't conflict with n.uid.
webmaster@1: $fields = str_replace('r.uid', 'r.uid AS revision_uid', $fields);
webmaster@1:
webmaster@1: // Retrieve the node.
webmaster@1: // No db_rewrite_sql is applied so as to get complete indexing for search.
webmaster@1: if ($revision) {
webmaster@1: array_unshift($arguments, $revision);
webmaster@1: $node = db_fetch_object(db_query('SELECT '. $fields .' FROM {node} n INNER JOIN {users} u ON u.uid = n.uid INNER JOIN {node_revisions} r ON r.nid = n.nid AND r.vid = %d WHERE '. $cond, $arguments));
webmaster@1: }
webmaster@1: else {
webmaster@1: $node = db_fetch_object(db_query('SELECT '. $fields .' FROM {node} n INNER JOIN {users} u ON u.uid = n.uid INNER JOIN {node_revisions} r ON r.vid = n.vid WHERE '. $cond, $arguments));
webmaster@1: }
webmaster@1:
webmaster@1: if ($node && $node->nid) {
webmaster@1: // Call the node specific callback (if any) and piggy-back the
webmaster@1: // results to the node or overwrite some values.
webmaster@1: if ($extra = node_invoke($node, 'load')) {
webmaster@1: foreach ($extra as $key => $value) {
webmaster@1: $node->$key = $value;
webmaster@1: }
webmaster@1: }
webmaster@1:
webmaster@1: if ($extra = node_invoke_nodeapi($node, 'load')) {
webmaster@1: foreach ($extra as $key => $value) {
webmaster@1: $node->$key = $value;
webmaster@1: }
webmaster@1: }
webmaster@1: if ($cachable) {
webmaster@1: $nodes[$node->nid] = is_object($node) ? drupal_clone($node) : $node;
webmaster@1: }
webmaster@1: }
webmaster@1:
webmaster@1: return $node;
webmaster@1: }
webmaster@1:
webmaster@1: /**
webmaster@1: * Perform validation checks on the given node.
webmaster@1: */
webmaster@1: function node_validate($node, $form = array()) {
webmaster@1: // Convert the node to an object, if necessary.
webmaster@1: $node = (object)$node;
webmaster@1: $type = node_get_types('type', $node);
webmaster@1:
webmaster@1: // Make sure the body has the minimum number of words.
webmaster@1: // TODO : use a better word counting algorithm that will work in other languages
webmaster@1: if (!empty($type->min_word_count) && isset($node->body) && count(explode(' ', $node->body)) < $type->min_word_count) {
webmaster@1: form_set_error('body', t('The body of your @type is too short. You need at least %words words.', array('%words' => $type->min_word_count, '@type' => $type->name)));
webmaster@1: }
webmaster@1:
webmaster@1: if (isset($node->nid) && (node_last_changed($node->nid) > $node->changed)) {
webmaster@1: form_set_error('changed', t('This content has been modified by another user, changes cannot be saved.'));
webmaster@1: }
webmaster@1:
webmaster@1: if (user_access('administer nodes')) {
webmaster@1: // Validate the "authored by" field.
webmaster@1: if (!empty($node->name) && !($account = user_load(array('name' => $node->name)))) {
webmaster@1: // The use of empty() is mandatory in the context of usernames
webmaster@1: // as the empty string denotes the anonymous user. In case we
webmaster@1: // are dealing with an anonymous user we set the user ID to 0.
webmaster@1: form_set_error('name', t('The username %name does not exist.', array('%name' => $node->name)));
webmaster@1: }
webmaster@1:
webmaster@1: // Validate the "authored on" field. As of PHP 5.1.0, strtotime returns FALSE instead of -1 upon failure.
webmaster@1: if (!empty($node->date) && strtotime($node->date) <= 0) {
webmaster@1: form_set_error('date', t('You have to specify a valid date.'));
webmaster@1: }
webmaster@1: }
webmaster@1:
webmaster@1: // Do node-type-specific validation checks.
webmaster@1: node_invoke($node, 'validate', $form);
webmaster@1: node_invoke_nodeapi($node, 'validate', $form);
webmaster@1: }
webmaster@1:
webmaster@1: /**
webmaster@1: * Prepare node for save and allow modules to make changes.
webmaster@1: */
webmaster@1: function node_submit($node) {
webmaster@1: global $user;
webmaster@1:
webmaster@1: // Convert the node to an object, if necessary.
webmaster@1: $node = (object)$node;
webmaster@1:
webmaster@1: // Generate the teaser, but only if it hasn't been set (e.g. by a
webmaster@1: // module-provided 'teaser' form item).
webmaster@1: if (!isset($node->teaser)) {
webmaster@1: if (isset($node->body)) {
webmaster@1: $node->teaser = node_teaser($node->body, isset($node->format) ? $node->format : NULL);
webmaster@1: // Chop off the teaser from the body if needed. The teaser_include
webmaster@1: // property might not be set (eg. in Blog API postings), so only act on
webmaster@1: // it, if it was set with a given value.
webmaster@1: if (isset($node->teaser_include) && !$node->teaser_include && $node->teaser == substr($node->body, 0, strlen($node->teaser))) {
webmaster@1: $node->body = substr($node->body, strlen($node->teaser));
webmaster@1: }
webmaster@1: }
webmaster@1: else {
webmaster@1: $node->teaser = '';
webmaster@1: }
webmaster@1: }
webmaster@1:
webmaster@1: if (user_access('administer nodes')) {
webmaster@1: // Populate the "authored by" field.
webmaster@1: if ($account = user_load(array('name' => $node->name))) {
webmaster@1: $node->uid = $account->uid;
webmaster@1: }
webmaster@1: else {
webmaster@1: $node->uid = 0;
webmaster@1: }
webmaster@1: }
webmaster@1: $node->created = !empty($node->date) ? strtotime($node->date) : time();
webmaster@1: $node->validated = TRUE;
webmaster@1:
webmaster@1: return $node;
webmaster@1: }
webmaster@1:
webmaster@1: /**
webmaster@1: * Save a node object into the database.
webmaster@1: */
webmaster@1: function node_save(&$node) {
webmaster@1: // Let modules modify the node before it is saved to the database.
webmaster@1: node_invoke_nodeapi($node, 'presave');
webmaster@1: global $user;
webmaster@1:
webmaster@1: $node->is_new = FALSE;
webmaster@1:
webmaster@1: // Apply filters to some default node fields:
webmaster@1: if (empty($node->nid)) {
webmaster@1: // Insert a new node.
webmaster@1: $node->is_new = TRUE;
webmaster@1:
webmaster@1: // When inserting a node, $node->log must be set because
webmaster@1: // {node_revisions}.log does not (and cannot) have a default
webmaster@1: // value. If the user does not have permission to create
webmaster@1: // revisions, however, the form will not contain an element for
webmaster@1: // log so $node->log will be unset at this point.
webmaster@1: if (!isset($node->log)) {
webmaster@1: $node->log = '';
webmaster@1: }
webmaster@1:
webmaster@1: // For the same reasons, make sure we have $node->teaser and
webmaster@1: // $node->body. We should consider making these fields nullable
webmaster@1: // in a future version since node types are not required to use them.
webmaster@1: if (!isset($node->teaser)) {
webmaster@1: $node->teaser = '';
webmaster@1: }
webmaster@1: if (!isset($node->body)) {
webmaster@1: $node->body = '';
webmaster@1: }
webmaster@1: }
webmaster@1: elseif (!empty($node->revision)) {
webmaster@1: $node->old_vid = $node->vid;
webmaster@1: }
webmaster@1: else {
webmaster@1: // When updating a node, avoid clobberring an existing log entry with an empty one.
webmaster@1: if (empty($node->log)) {
webmaster@1: unset($node->log);
webmaster@1: }
webmaster@1: }
webmaster@1:
webmaster@1: // Set some required fields:
webmaster@1: if (empty($node->created)) {
webmaster@1: $node->created = time();
webmaster@1: }
webmaster@1: // The changed timestamp is always updated for bookkeeping purposes (revisions, searching, ...)
webmaster@1: $node->changed = time();
webmaster@1:
webmaster@1: $node->timestamp = time();
webmaster@1: $node->format = isset($node->format) ? $node->format : FILTER_FORMAT_DEFAULT;
webmaster@1:
webmaster@1: // Generate the node table query and the node_revisions table query.
webmaster@1: if ($node->is_new) {
webmaster@7: _node_save_revision($node, $user->uid);
webmaster@1: drupal_write_record('node', $node);
webmaster@7: db_query('UPDATE {node_revisions} SET nid = %d WHERE vid = %d', $node->nid, $node->vid);
webmaster@1: $op = 'insert';
webmaster@1: }
webmaster@1: else {
webmaster@1: drupal_write_record('node', $node, 'nid');
webmaster@1: if (!empty($node->revision)) {
webmaster@1: _node_save_revision($node, $user->uid);
webmaster@7: db_query('UPDATE {node} SET vid = %d WHERE nid = %d', $node->vid, $node->nid);
webmaster@1: }
webmaster@1: else {
webmaster@1: _node_save_revision($node, $user->uid, 'vid');
webmaster@1: }
webmaster@1: $op = 'update';
webmaster@1: }
webmaster@1:
webmaster@1: // Call the node specific callback (if any).
webmaster@1: node_invoke($node, $op);
webmaster@1: node_invoke_nodeapi($node, $op);
webmaster@1:
webmaster@1: // Update the node access table for this node.
webmaster@1: node_access_acquire_grants($node);
webmaster@1:
webmaster@1: // Clear the page and block caches.
webmaster@1: cache_clear_all();
webmaster@1: }
webmaster@1:
webmaster@1: /**
webmaster@1: * Helper function to save a revision with the uid of the current user.
webmaster@1: *
webmaster@1: * Node is taken by reference, becuse drupal_write_record() updates the
webmaster@1: * $node with the revision id, and we need to pass that back to the caller.
webmaster@1: */
webmaster@1: function _node_save_revision(&$node, $uid, $update = NULL) {
webmaster@1: $temp_uid = $node->uid;
webmaster@1: $node->uid = $uid;
webmaster@1: if (isset($update)) {
webmaster@1: drupal_write_record('node_revisions', $node, $update);
webmaster@1: }
webmaster@1: else {
webmaster@1: drupal_write_record('node_revisions', $node);
webmaster@1: }
webmaster@1: $node->uid = $temp_uid;
webmaster@1: }
webmaster@1:
webmaster@1: /**
webmaster@1: * Delete a node.
webmaster@1: */
webmaster@1: function node_delete($nid) {
webmaster@1:
webmaster@1: $node = node_load($nid);
webmaster@1:
webmaster@1: if (node_access('delete', $node)) {
webmaster@1: db_query('DELETE FROM {node} WHERE nid = %d', $node->nid);
webmaster@1: db_query('DELETE FROM {node_revisions} WHERE nid = %d', $node->nid);
webmaster@1:
webmaster@1: // Call the node-specific callback (if any):
webmaster@1: node_invoke($node, 'delete');
webmaster@1: node_invoke_nodeapi($node, 'delete');
webmaster@1:
webmaster@1: // Clear the page and block caches.
webmaster@1: cache_clear_all();
webmaster@1:
webmaster@1: // Remove this node from the search index if needed.
webmaster@1: if (function_exists('search_wipe')) {
webmaster@1: search_wipe($node->nid, 'node');
webmaster@1: }
webmaster@1: watchdog('content', '@type: deleted %title.', array('@type' => $node->type, '%title' => $node->title));
webmaster@1: drupal_set_message(t('@type %title has been deleted.', array('@type' => node_get_types('name', $node), '%title' => $node->title)));
webmaster@1: }
webmaster@1: }
webmaster@1:
webmaster@1: /**
webmaster@1: * Generate a display of the given node.
webmaster@1: *
webmaster@1: * @param $node
webmaster@1: * A node array or node object.
webmaster@1: * @param $teaser
webmaster@1: * Whether to display the teaser only or the full form.
webmaster@1: * @param $page
webmaster@1: * Whether the node is being displayed by itself as a page.
webmaster@1: * @param $links
webmaster@1: * Whether or not to display node links. Links are omitted for node previews.
webmaster@1: *
webmaster@1: * @return
webmaster@1: * An HTML representation of the themed node.
webmaster@1: */
webmaster@1: function node_view($node, $teaser = FALSE, $page = FALSE, $links = TRUE) {
webmaster@1: $node = (object)$node;
webmaster@1:
webmaster@1: $node = node_build_content($node, $teaser, $page);
webmaster@1:
webmaster@1: if ($links) {
webmaster@1: $node->links = module_invoke_all('link', 'node', $node, $teaser);
webmaster@1: drupal_alter('link', $node->links, $node);
webmaster@1: }
webmaster@1:
webmaster@1: // Set the proper node part, then unset unused $node part so that a bad
webmaster@1: // theme can not open a security hole.
webmaster@1: $content = drupal_render($node->content);
webmaster@1: if ($teaser) {
webmaster@1: $node->teaser = $content;
webmaster@1: unset($node->body);
webmaster@1: }
webmaster@1: else {
webmaster@1: $node->body = $content;
webmaster@1: unset($node->teaser);
webmaster@1: }
webmaster@1:
webmaster@1: // Allow modules to modify the fully-built node.
webmaster@1: node_invoke_nodeapi($node, 'alter', $teaser, $page);
webmaster@1:
webmaster@1: return theme('node', $node, $teaser, $page);
webmaster@1: }
webmaster@1:
webmaster@1: /**
webmaster@1: * Apply filters and build the node's standard elements.
webmaster@1: */
webmaster@1: function node_prepare($node, $teaser = FALSE) {
webmaster@1: // First we'll overwrite the existing node teaser and body with
webmaster@1: // the filtered copies! Then, we'll stick those into the content
webmaster@1: // array and set the read more flag if appropriate.
webmaster@1: $node->readmore = $node->teaser != $node->body;
webmaster@1:
webmaster@1: if ($teaser == FALSE) {
webmaster@1: $node->body = check_markup($node->body, $node->format, FALSE);
webmaster@1: }
webmaster@1: else {
webmaster@1: $node->teaser = check_markup($node->teaser, $node->format, FALSE);
webmaster@1: }
webmaster@1:
webmaster@1: $node->content['body'] = array(
webmaster@1: '#value' => $teaser ? $node->teaser : $node->body,
webmaster@1: '#weight' => 0,
webmaster@1: );
webmaster@1:
webmaster@1: return $node;
webmaster@1: }
webmaster@1:
webmaster@1: /**
webmaster@1: * Builds a structured array representing the node's content.
webmaster@1: *
webmaster@1: * @param $node
webmaster@1: * A node object.
webmaster@1: * @param $teaser
webmaster@1: * Whether to display the teaser only, as on the main page.
webmaster@1: * @param $page
webmaster@1: * Whether the node is being displayed by itself as a page.
webmaster@1: *
webmaster@1: * @return
webmaster@1: * An structured array containing the individual elements
webmaster@1: * of the node's body.
webmaster@1: */
webmaster@1: function node_build_content($node, $teaser = FALSE, $page = FALSE) {
webmaster@1:
webmaster@1: // The build mode identifies the target for which the node is built.
webmaster@1: if (!isset($node->build_mode)) {
webmaster@1: $node->build_mode = NODE_BUILD_NORMAL;
webmaster@1: }
webmaster@1:
webmaster@1: // Remove the delimiter (if any) that separates the teaser from the body.
webmaster@1: $node->body = isset($node->body) ? str_replace('', '', $node->body) : '';
webmaster@1:
webmaster@1: // The 'view' hook can be implemented to overwrite the default function
webmaster@1: // to display nodes.
webmaster@1: if (node_hook($node, 'view')) {
webmaster@1: $node = node_invoke($node, 'view', $teaser, $page);
webmaster@1: }
webmaster@1: else {
webmaster@1: $node = node_prepare($node, $teaser);
webmaster@1: }
webmaster@1:
webmaster@1: // Allow modules to make their own additions to the node.
webmaster@1: node_invoke_nodeapi($node, 'view', $teaser, $page);
webmaster@1:
webmaster@1: return $node;
webmaster@1: }
webmaster@1:
webmaster@1: /**
webmaster@1: * Generate a page displaying a single node, along with its comments.
webmaster@1: */
webmaster@1: function node_show($node, $cid, $message = FALSE) {
webmaster@1: if ($message) {
webmaster@1: drupal_set_title(t('Revision of %title from %date', array('%title' => $node->title, '%date' => format_date($node->revision_timestamp))));
webmaster@1: }
webmaster@1: $output = node_view($node, FALSE, TRUE);
webmaster@1:
webmaster@1: if (function_exists('comment_render') && $node->comment) {
webmaster@1: $output .= comment_render($node, $cid);
webmaster@1: }
webmaster@1:
webmaster@1: // Update the history table, stating that this user viewed this node.
webmaster@1: node_tag_new($node->nid);
webmaster@1:
webmaster@1: return $output;
webmaster@1: }
webmaster@1:
webmaster@1: /**
webmaster@1: * Theme a log message.
webmaster@1: *
webmaster@1: * @ingroup themeable
webmaster@1: */
webmaster@1: function theme_node_log_message($log) {
webmaster@1: return ''. t('Log') .':
'. $log .'
';
webmaster@1: }
webmaster@1:
webmaster@1: /**
webmaster@1: * Implementation of hook_perm().
webmaster@1: */
webmaster@1: function node_perm() {
webmaster@1: $perms = array('administer content types', 'administer nodes', 'access content', 'view revisions', 'revert revisions', 'delete revisions');
webmaster@1:
webmaster@1: foreach (node_get_types() as $type) {
webmaster@1: if ($type->module == 'node') {
webmaster@1: $name = check_plain($type->type);
webmaster@1: $perms[] = 'create '. $name .' content';
webmaster@1: $perms[] = 'delete own '. $name .' content';
webmaster@1: $perms[] = 'delete any '. $name .' content';
webmaster@1: $perms[] = 'edit own '. $name .' content';
webmaster@1: $perms[] = 'edit any '. $name .' content';
webmaster@1: }
webmaster@1: }
webmaster@1:
webmaster@1: return $perms;
webmaster@1: }
webmaster@1:
webmaster@1: /**
webmaster@1: * Implementation of hook_search().
webmaster@1: */
webmaster@1: function node_search($op = 'search', $keys = NULL) {
webmaster@1: switch ($op) {
webmaster@1: case 'name':
webmaster@1: return t('Content');
webmaster@1:
webmaster@1: case 'reset':
webmaster@1: db_query("UPDATE {search_dataset} SET reindex = %d WHERE type = 'node'", time());
webmaster@1: return;
webmaster@1:
webmaster@1: case 'status':
webmaster@1: $total = db_result(db_query('SELECT COUNT(*) FROM {node} WHERE status = 1'));
webmaster@5: $remaining = db_result(db_query("SELECT COUNT(*) FROM {node} n LEFT JOIN {search_dataset} d ON d.type = 'node' AND d.sid = n.nid WHERE n.status = 1 AND (d.sid IS NULL OR d.reindex <> 0)"));
webmaster@1: return array('remaining' => $remaining, 'total' => $total);
webmaster@1:
webmaster@1: case 'admin':
webmaster@1: $form = array();
webmaster@1: // Output form for defining rank factor weights.
webmaster@1: $form['content_ranking'] = array(
webmaster@1: '#type' => 'fieldset',
webmaster@1: '#title' => t('Content ranking'),
webmaster@1: );
webmaster@1: $form['content_ranking']['#theme'] = 'node_search_admin';
webmaster@1: $form['content_ranking']['info'] = array(
webmaster@1: '#value' => ''. t('The following numbers control which properties the content search should favor when ordering the results. Higher numbers mean more influence, zero means the property is ignored. Changing these numbers does not require the search index to be rebuilt. Changes take effect immediately.') .''
webmaster@1: );
webmaster@1:
webmaster@1: $ranking = array('node_rank_relevance' => t('Keyword relevance'),
webmaster@1: 'node_rank_recent' => t('Recently posted'));
webmaster@1: if (module_exists('comment')) {
webmaster@1: $ranking['node_rank_comments'] = t('Number of comments');
webmaster@1: }
webmaster@1: if (module_exists('statistics') && variable_get('statistics_count_content_views', 0)) {
webmaster@1: $ranking['node_rank_views'] = t('Number of views');
webmaster@1: }
webmaster@1:
webmaster@1: // Note: reversed to reflect that higher number = higher ranking.
webmaster@1: $options = drupal_map_assoc(range(0, 10));
webmaster@1: foreach ($ranking as $var => $title) {
webmaster@1: $form['content_ranking']['factors'][$var] = array(
webmaster@1: '#title' => $title,
webmaster@1: '#type' => 'select',
webmaster@1: '#options' => $options,
webmaster@1: '#default_value' => variable_get($var, 5),
webmaster@1: );
webmaster@1: }
webmaster@1: return $form;
webmaster@1:
webmaster@1: case 'search':
webmaster@1: // Build matching conditions
webmaster@1: list($join1, $where1) = _db_rewrite_sql();
webmaster@1: $arguments1 = array();
webmaster@1: $conditions1 = 'n.status = 1';
webmaster@1:
webmaster@1: if ($type = search_query_extract($keys, 'type')) {
webmaster@1: $types = array();
webmaster@1: foreach (explode(',', $type) as $t) {
webmaster@1: $types[] = "n.type = '%s'";
webmaster@1: $arguments1[] = $t;
webmaster@1: }
webmaster@1: $conditions1 .= ' AND ('. implode(' OR ', $types) .')';
webmaster@1: $keys = search_query_insert($keys, 'type');
webmaster@1: }
webmaster@1:
webmaster@1: if ($category = search_query_extract($keys, 'category')) {
webmaster@1: $categories = array();
webmaster@1: foreach (explode(',', $category) as $c) {
webmaster@1: $categories[] = "tn.tid = %d";
webmaster@1: $arguments1[] = $c;
webmaster@1: }
webmaster@1: $conditions1 .= ' AND ('. implode(' OR ', $categories) .')';
webmaster@1: $join1 .= ' INNER JOIN {term_node} tn ON n.vid = tn.vid';
webmaster@1: $keys = search_query_insert($keys, 'category');
webmaster@1: }
webmaster@1:
webmaster@1: // Build ranking expression (we try to map each parameter to a
webmaster@1: // uniform distribution in the range 0..1).
webmaster@1: $ranking = array();
webmaster@1: $arguments2 = array();
webmaster@1: $join2 = '';
webmaster@1: // Used to avoid joining on node_comment_statistics twice
webmaster@1: $stats_join = FALSE;
webmaster@1: $total = 0;
webmaster@1: if ($weight = (int)variable_get('node_rank_relevance', 5)) {
webmaster@1: // Average relevance values hover around 0.15
webmaster@1: $ranking[] = '%d * i.relevance';
webmaster@1: $arguments2[] = $weight;
webmaster@1: $total += $weight;
webmaster@1: }
webmaster@1: if ($weight = (int)variable_get('node_rank_recent', 5)) {
webmaster@1: // Exponential decay with half-life of 6 months, starting at last indexed node
webmaster@1: $ranking[] = '%d * POW(2, (GREATEST(MAX(n.created), MAX(n.changed), MAX(c.last_comment_timestamp)) - %d) * 6.43e-8)';
webmaster@1: $arguments2[] = $weight;
webmaster@1: $arguments2[] = (int)variable_get('node_cron_last', 0);
webmaster@1: $join2 .= ' LEFT JOIN {node_comment_statistics} c ON c.nid = i.sid';
webmaster@1: $stats_join = TRUE;
webmaster@1: $total += $weight;
webmaster@1: }
webmaster@1: if (module_exists('comment') && $weight = (int)variable_get('node_rank_comments', 5)) {
webmaster@1: // Inverse law that maps the highest reply count on the site to 1 and 0 to 0.
webmaster@1: $scale = variable_get('node_cron_comments_scale', 0.0);
webmaster@1: $ranking[] = '%d * (2.0 - 2.0 / (1.0 + MAX(c.comment_count) * %f))';
webmaster@1: $arguments2[] = $weight;
webmaster@1: $arguments2[] = $scale;
webmaster@1: if (!$stats_join) {
webmaster@1: $join2 .= ' LEFT JOIN {node_comment_statistics} c ON c.nid = i.sid';
webmaster@1: }
webmaster@1: $total += $weight;
webmaster@1: }
webmaster@1: if (module_exists('statistics') && variable_get('statistics_count_content_views', 0) &&
webmaster@1: $weight = (int)variable_get('node_rank_views', 5)) {
webmaster@1: // Inverse law that maps the highest view count on the site to 1 and 0 to 0.
webmaster@1: $scale = variable_get('node_cron_views_scale', 0.0);
webmaster@1: $ranking[] = '%d * (2.0 - 2.0 / (1.0 + MAX(nc.totalcount) * %f))';
webmaster@1: $arguments2[] = $weight;
webmaster@1: $arguments2[] = $scale;
webmaster@1: $join2 .= ' LEFT JOIN {node_counter} nc ON nc.nid = i.sid';
webmaster@1: $total += $weight;
webmaster@1: }
webmaster@7:
webmaster@7: // When all search factors are disabled (ie they have a weight of zero),
webmaster@7: // the default score is based only on keyword relevance and there is no need to
webmaster@7: // adjust the score of each item.
webmaster@7: if ($total == 0) {
webmaster@7: $select2 = 'i.relevance AS score';
webmaster@7: $total = 1;
webmaster@7: }
webmaster@7: else {
webmaster@7: $select2 = implode(' + ', $ranking) . ' AS score';
webmaster@7: }
webmaster@7:
webmaster@7: // Do search.
webmaster@7: $find = do_search($keys, 'node', 'INNER JOIN {node} n ON n.nid = i.sid '. $join1, $conditions1 . (empty($where1) ? '' : ' AND '. $where1), $arguments1, $select2, $join2, $arguments2);
webmaster@1:
webmaster@7: // Load results.
webmaster@1: $results = array();
webmaster@1: foreach ($find as $item) {
webmaster@1: // Build the node body.
webmaster@1: $node = node_load($item->sid);
webmaster@1: $node->build_mode = NODE_BUILD_SEARCH_RESULT;
webmaster@1: $node = node_build_content($node, FALSE, FALSE);
webmaster@1: $node->body = drupal_render($node->content);
webmaster@1:
webmaster@7: // Fetch comments for snippet.
webmaster@1: $node->body .= module_invoke('comment', 'nodeapi', $node, 'update index');
webmaster@7: // Fetch terms for snippet.
webmaster@1: $node->body .= module_invoke('taxonomy', 'nodeapi', $node, 'update index');
webmaster@1:
webmaster@1: $extra = node_invoke_nodeapi($node, 'search result');
webmaster@1: $results[] = array(
webmaster@1: 'link' => url('node/'. $item->sid, array('absolute' => TRUE)),
webmaster@1: 'type' => check_plain(node_get_types('name', $node)),
webmaster@1: 'title' => $node->title,
webmaster@1: 'user' => theme('username', $node),
webmaster@1: 'date' => $node->changed,
webmaster@1: 'node' => $node,
webmaster@1: 'extra' => $extra,
webmaster@1: 'score' => $item->score / $total,
webmaster@1: 'snippet' => search_excerpt($keys, $node->body),
webmaster@1: );
webmaster@1: }
webmaster@1: return $results;
webmaster@1: }
webmaster@1: }
webmaster@1:
webmaster@1: /**
webmaster@1: * Implementation of hook_user().
webmaster@1: */
webmaster@1: function node_user($op, &$edit, &$user) {
webmaster@1: if ($op == 'delete') {
webmaster@1: db_query('UPDATE {node} SET uid = 0 WHERE uid = %d', $user->uid);
webmaster@1: db_query('UPDATE {node_revisions} SET uid = 0 WHERE uid = %d', $user->uid);
webmaster@1: }
webmaster@1: }
webmaster@1:
webmaster@1: /**
webmaster@1: * Theme the content ranking part of the search settings admin page.
webmaster@1: *
webmaster@1: * @ingroup themeable
webmaster@1: */
webmaster@1: function theme_node_search_admin($form) {
webmaster@1: $output = drupal_render($form['info']);
webmaster@1:
webmaster@1: $header = array(t('Factor'), t('Weight'));
webmaster@1: foreach (element_children($form['factors']) as $key) {
webmaster@1: $row = array();
webmaster@1: $row[] = $form['factors'][$key]['#title'];
webmaster@1: unset($form['factors'][$key]['#title']);
webmaster@1: $row[] = drupal_render($form['factors'][$key]);
webmaster@1: $rows[] = $row;
webmaster@1: }
webmaster@1: $output .= theme('table', $header, $rows);
webmaster@1:
webmaster@1: $output .= drupal_render($form);
webmaster@1: return $output;
webmaster@1: }
webmaster@1:
webmaster@1: /**
webmaster@1: * Retrieve the comment mode for the given node ID (none, read, or read/write).
webmaster@1: */
webmaster@1: function node_comment_mode($nid) {
webmaster@1: static $comment_mode;
webmaster@1: if (!isset($comment_mode[$nid])) {
webmaster@1: $comment_mode[$nid] = db_result(db_query('SELECT comment FROM {node} WHERE nid = %d', $nid));
webmaster@1: }
webmaster@1: return $comment_mode[$nid];
webmaster@1: }
webmaster@1:
webmaster@1: /**
webmaster@1: * Implementation of hook_link().
webmaster@1: */
webmaster@1: function node_link($type, $node = NULL, $teaser = FALSE) {
webmaster@1: $links = array();
webmaster@1:
webmaster@1: if ($type == 'node') {
webmaster@1: if ($teaser == 1 && $node->teaser && !empty($node->readmore)) {
webmaster@1: $links['node_read_more'] = array(
webmaster@1: 'title' => t('Read more'),
webmaster@1: 'href' => "node/$node->nid",
webmaster@1: // The title attribute gets escaped when the links are processed, so
webmaster@1: // there is no need to escape here.
webmaster@1: 'attributes' => array('title' => t('Read the rest of !title.', array('!title' => $node->title)))
webmaster@1: );
webmaster@1: }
webmaster@1: }
webmaster@1:
webmaster@1: return $links;
webmaster@1: }
webmaster@1:
webmaster@1: function _node_revision_access($node, $op = 'view') {
webmaster@1: static $access = array();
webmaster@1: if (!isset($access[$node->vid])) {
webmaster@1: $node_current_revision = node_load($node->nid);
webmaster@1: $is_current_revision = $node_current_revision->vid == $node->vid;
webmaster@1: // There should be at least two revisions. If the vid of the given node
webmaster@1: // and the vid of the current revision differs, then we already have two
webmaster@1: // different revisions so there is no need for a separate database check.
webmaster@1: // Also, if you try to revert to or delete the current revision, that's
webmaster@1: // not good.
webmaster@1: if ($is_current_revision && (db_result(db_query('SELECT COUNT(vid) FROM {node_revisions} WHERE nid = %d', $node->nid)) == 1 || $op == 'update' || $op == 'delete')) {
webmaster@1: $access[$node->vid] = FALSE;
webmaster@1: }
webmaster@1: elseif (user_access('administer nodes')) {
webmaster@1: $access[$node->vid] = TRUE;
webmaster@1: }
webmaster@1: else {
webmaster@1: $map = array('view' => 'view revisions', 'update' => 'revert revisions', 'delete' => 'delete revisions');
webmaster@1: // First check the user permission, second check the access to the
webmaster@1: // current revision and finally, if the node passed in is not the current
webmaster@1: // revision then access to that, too.
webmaster@1: $access[$node->vid] = isset($map[$op]) && user_access($map[$op]) && node_access($op, $node_current_revision) && ($is_current_revision || node_access($op, $node));
webmaster@1: }
webmaster@1: }
webmaster@1: return $access[$node->vid];
webmaster@1: }
webmaster@1:
webmaster@1: function _node_add_access() {
webmaster@1: $types = node_get_types();
webmaster@1: foreach ($types as $type) {
webmaster@1: if (node_hook($type->type, 'form') && node_access('create', $type->type)) {
webmaster@1: return TRUE;
webmaster@1: }
webmaster@1: }
webmaster@1: return FALSE;
webmaster@1: }
webmaster@1:
webmaster@1: /**
webmaster@1: * Implementation of hook_menu().
webmaster@1: */
webmaster@1: function node_menu() {
webmaster@1: $items['admin/content/node'] = array(
webmaster@1: 'title' => 'Content',
webmaster@1: 'description' => "View, edit, and delete your site's content.",
webmaster@1: 'page callback' => 'drupal_get_form',
webmaster@1: 'page arguments' => array('node_admin_content'),
webmaster@1: 'access arguments' => array('administer nodes'),
webmaster@1: 'file' => 'node.admin.inc',
webmaster@1: );
webmaster@1:
webmaster@1: $items['admin/content/node/overview'] = array(
webmaster@1: 'title' => 'List',
webmaster@1: 'type' => MENU_DEFAULT_LOCAL_TASK,
webmaster@1: 'weight' => -10,
webmaster@1: );
webmaster@1:
webmaster@1: $items['admin/content/node-settings'] = array(
webmaster@1: 'title' => 'Post settings',
webmaster@1: 'description' => 'Control posting behavior, such as teaser length, requiring previews before posting, and the number of posts on the front page.',
webmaster@1: 'page callback' => 'drupal_get_form',
webmaster@1: 'page arguments' => array('node_configure'),
webmaster@1: 'access arguments' => array('administer nodes'),
webmaster@1: 'file' => 'node.admin.inc',
webmaster@1: );
webmaster@1: $items['admin/content/node-settings/rebuild'] = array(
webmaster@1: 'title' => 'Rebuild permissions',
webmaster@1: 'page arguments' => array('node_configure_rebuild_confirm'),
webmaster@1: 'file' => 'node.admin.inc',
webmaster@1: // Any user than can potentially trigger a node_acess_needs_rebuild(TRUE)
webmaster@1: // has to be allowed access to the 'node access rebuild' confirm form.
webmaster@1: 'access arguments' => array('access administration pages'),
webmaster@1: 'type' => MENU_CALLBACK,
webmaster@1: );
webmaster@1:
webmaster@1: $items['admin/content/types'] = array(
webmaster@1: 'title' => 'Content types',
webmaster@1: 'description' => 'Manage posts by content type, including default status, front page promotion, etc.',
webmaster@1: 'page callback' => 'node_overview_types',
webmaster@1: 'access arguments' => array('administer content types'),
webmaster@1: 'file' => 'content_types.inc',
webmaster@1: );
webmaster@1: $items['admin/content/types/list'] = array(
webmaster@1: 'title' => 'List',
webmaster@1: 'type' => MENU_DEFAULT_LOCAL_TASK,
webmaster@1: 'weight' => -10,
webmaster@1: );
webmaster@1: $items['admin/content/types/add'] = array(
webmaster@1: 'title' => 'Add content type',
webmaster@1: 'page callback' => 'drupal_get_form',
webmaster@1: 'page arguments' => array('node_type_form'),
webmaster@5: 'access arguments' => array('administer content types'),
webmaster@1: 'file' => 'content_types.inc',
webmaster@1: 'type' => MENU_LOCAL_TASK,
webmaster@1: );
webmaster@1: $items['node'] = array(
webmaster@1: 'title' => 'Content',
webmaster@1: 'page callback' => 'node_page_default',
webmaster@1: 'access arguments' => array('access content'),
webmaster@1: 'type' => MENU_CALLBACK,
webmaster@1: );
webmaster@1: $items['node/add'] = array(
webmaster@1: 'title' => 'Create content',
webmaster@1: 'page callback' => 'node_add_page',
webmaster@1: 'access callback' => '_node_add_access',
webmaster@1: 'weight' => 1,
webmaster@1: 'file' => 'node.pages.inc',
webmaster@1: );
webmaster@1: $items['rss.xml'] = array(
webmaster@1: 'title' => 'RSS feed',
webmaster@1: 'page callback' => 'node_feed',
webmaster@1: 'access arguments' => array('access content'),
webmaster@1: 'type' => MENU_CALLBACK,
webmaster@1: );
webmaster@1: foreach (node_get_types('types', NULL, TRUE) as $type) {
webmaster@1: $type_url_str = str_replace('_', '-', $type->type);
webmaster@1: $items['node/add/'. $type_url_str] = array(
webmaster@1: 'title' => drupal_ucfirst($type->name),
webmaster@1: 'title callback' => 'check_plain',
webmaster@1: 'page callback' => 'node_add',
webmaster@1: 'page arguments' => array(2),
webmaster@1: 'access callback' => 'node_access',
webmaster@1: 'access arguments' => array('create', $type->type),
webmaster@1: 'description' => $type->description,
webmaster@1: 'file' => 'node.pages.inc',
webmaster@1: );
webmaster@1: $items['admin/content/node-type/'. $type_url_str] = array(
webmaster@1: 'title' => $type->name,
webmaster@1: 'page callback' => 'drupal_get_form',
webmaster@1: 'page arguments' => array('node_type_form', $type),
webmaster@5: 'access arguments' => array('administer content types'),
webmaster@1: 'file' => 'content_types.inc',
webmaster@1: 'type' => MENU_CALLBACK,
webmaster@1: );
webmaster@1: $items['admin/content/node-type/'. $type_url_str .'/edit'] = array(
webmaster@1: 'title' => 'Edit',
webmaster@1: 'type' => MENU_DEFAULT_LOCAL_TASK,
webmaster@1: );
webmaster@1: $items['admin/content/node-type/'. $type_url_str .'/delete'] = array(
webmaster@1: 'title' => 'Delete',
webmaster@1: 'page arguments' => array('node_type_delete_confirm', $type),
webmaster@5: 'access arguments' => array('administer content types'),
webmaster@1: 'file' => 'content_types.inc',
webmaster@1: 'type' => MENU_CALLBACK,
webmaster@1: );
webmaster@1: }
webmaster@1: $items['node/%node'] = array(
webmaster@1: 'title callback' => 'node_page_title',
webmaster@1: 'title arguments' => array(1),
webmaster@1: 'page callback' => 'node_page_view',
webmaster@1: 'page arguments' => array(1),
webmaster@1: 'access callback' => 'node_access',
webmaster@1: 'access arguments' => array('view', 1),
webmaster@1: 'type' => MENU_CALLBACK);
webmaster@1: $items['node/%node/view'] = array(
webmaster@1: 'title' => 'View',
webmaster@1: 'type' => MENU_DEFAULT_LOCAL_TASK,
webmaster@1: 'weight' => -10);
webmaster@1: $items['node/%node/edit'] = array(
webmaster@1: 'title' => 'Edit',
webmaster@1: 'page callback' => 'node_page_edit',
webmaster@1: 'page arguments' => array(1),
webmaster@1: 'access callback' => 'node_access',
webmaster@1: 'access arguments' => array('update', 1),
webmaster@1: 'weight' => 1,
webmaster@1: 'file' => 'node.pages.inc',
webmaster@1: 'type' => MENU_LOCAL_TASK,
webmaster@1: );
webmaster@1: $items['node/%node/delete'] = array(
webmaster@1: 'title' => 'Delete',
webmaster@1: 'page callback' => 'drupal_get_form',
webmaster@1: 'page arguments' => array('node_delete_confirm', 1),
webmaster@1: 'access callback' => 'node_access',
webmaster@1: 'access arguments' => array('delete', 1),
webmaster@1: 'file' => 'node.pages.inc',
webmaster@1: 'weight' => 1,
webmaster@1: 'type' => MENU_CALLBACK);
webmaster@1: $items['node/%node/revisions'] = array(
webmaster@1: 'title' => 'Revisions',
webmaster@1: 'page callback' => 'node_revision_overview',
webmaster@1: 'page arguments' => array(1),
webmaster@1: 'access callback' => '_node_revision_access',
webmaster@1: 'access arguments' => array(1),
webmaster@1: 'weight' => 2,
webmaster@1: 'file' => 'node.pages.inc',
webmaster@1: 'type' => MENU_LOCAL_TASK,
webmaster@1: );
webmaster@1: $items['node/%node/revisions/%/view'] = array(
webmaster@1: 'title' => 'Revisions',
webmaster@1: 'load arguments' => array(3),
webmaster@1: 'page callback' => 'node_show',
webmaster@1: 'page arguments' => array(1, NULL, TRUE),
webmaster@5: 'access callback' => '_node_revision_access',
webmaster@5: 'access arguments' => array(1),
webmaster@1: 'type' => MENU_CALLBACK,
webmaster@1: );
webmaster@1: $items['node/%node/revisions/%/revert'] = array(
webmaster@1: 'title' => 'Revert to earlier revision',
webmaster@1: 'load arguments' => array(3),
webmaster@1: 'page callback' => 'drupal_get_form',
webmaster@1: 'page arguments' => array('node_revision_revert_confirm', 1),
webmaster@1: 'access callback' => '_node_revision_access',
webmaster@1: 'access arguments' => array(1, 'update'),
webmaster@1: 'file' => 'node.pages.inc',
webmaster@1: 'type' => MENU_CALLBACK,
webmaster@1: );
webmaster@1: $items['node/%node/revisions/%/delete'] = array(
webmaster@1: 'title' => 'Delete earlier revision',
webmaster@1: 'load arguments' => array(3),
webmaster@1: 'page callback' => 'drupal_get_form',
webmaster@1: 'page arguments' => array('node_revision_delete_confirm', 1),
webmaster@1: 'access callback' => '_node_revision_access',
webmaster@1: 'access arguments' => array(1, 'delete'),
webmaster@1: 'file' => 'node.pages.inc',
webmaster@1: 'type' => MENU_CALLBACK,
webmaster@1: );
webmaster@1: return $items;
webmaster@1: }
webmaster@1:
webmaster@1: /**
webmaster@1: * Title callback.
webmaster@1: */
webmaster@1: function node_page_title($node) {
webmaster@1: return $node->title;
webmaster@1: }
webmaster@1:
webmaster@1: /**
webmaster@1: * Implementation of hook_init().
webmaster@1: */
webmaster@1: function node_init() {
webmaster@1: drupal_add_css(drupal_get_path('module', 'node') .'/node.css');
webmaster@1: }
webmaster@1:
webmaster@1: function node_last_changed($nid) {
webmaster@1: $node = db_fetch_object(db_query('SELECT changed FROM {node} WHERE nid = %d', $nid));
webmaster@1: return ($node->changed);
webmaster@1: }
webmaster@1:
webmaster@1: /**
webmaster@1: * Return a list of all the existing revision numbers.
webmaster@1: */
webmaster@1: function node_revision_list($node) {
webmaster@1: $revisions = array();
webmaster@1: $result = db_query('SELECT r.vid, r.title, r.log, r.uid, n.vid AS current_vid, r.timestamp, u.name FROM {node_revisions} r LEFT JOIN {node} n ON n.vid = r.vid INNER JOIN {users} u ON u.uid = r.uid WHERE r.nid = %d ORDER BY r.timestamp DESC', $node->nid);
webmaster@1: while ($revision = db_fetch_object($result)) {
webmaster@1: $revisions[$revision->vid] = $revision;
webmaster@1: }
webmaster@1:
webmaster@1: return $revisions;
webmaster@1: }
webmaster@1:
webmaster@1: /**
webmaster@1: * Implementation of hook_block().
webmaster@1: */
webmaster@1: function node_block($op = 'list', $delta = 0) {
webmaster@1: if ($op == 'list') {
webmaster@1: $blocks[0]['info'] = t('Syndicate');
webmaster@1: // Not worth caching.
webmaster@1: $blocks[0]['cache'] = BLOCK_NO_CACHE;
webmaster@1: return $blocks;
webmaster@1: }
webmaster@1: else if ($op == 'view') {
webmaster@1: $block['subject'] = t('Syndicate');
webmaster@1: $block['content'] = theme('feed_icon', url('rss.xml'), t('Syndicate'));
webmaster@1:
webmaster@1: return $block;
webmaster@1: }
webmaster@1: }
webmaster@1:
webmaster@1: /**
webmaster@1: * A generic function for generating RSS feeds from a set of nodes.
webmaster@1: *
webmaster@1: * @param $nids
webmaster@1: * An array of node IDs (nid). Defaults to FALSE so empty feeds can be
webmaster@1: * generated with passing an empty array, if no items are to be added
webmaster@1: * to the feed.
webmaster@1: * @param $channel
webmaster@1: * An associative array containing title, link, description and other keys.
webmaster@1: * The link should be an absolute URL.
webmaster@1: */
webmaster@1: function node_feed($nids = FALSE, $channel = array()) {
webmaster@1: global $base_url, $language;
webmaster@1:
webmaster@1: if ($nids === FALSE) {
webmaster@1: $nids = array();
webmaster@1: $result = db_query_range(db_rewrite_sql('SELECT n.nid, n.created FROM {node} n WHERE n.promote = 1 AND n.status = 1 ORDER BY n.created DESC'), 0, variable_get('feed_default_items', 10));
webmaster@1: while ($row = db_fetch_object($result)) {
webmaster@1: $nids[] = $row->nid;
webmaster@1: }
webmaster@1: }
webmaster@1:
webmaster@1: $item_length = variable_get('feed_item_length', 'teaser');
webmaster@1: $namespaces = array('xmlns:dc' => 'http://purl.org/dc/elements/1.1/');
webmaster@1:
webmaster@1: $items = '';
webmaster@1: foreach ($nids as $nid) {
webmaster@1: // Load the specified node:
webmaster@1: $item = node_load($nid);
webmaster@1: $item->build_mode = NODE_BUILD_RSS;
webmaster@1: $item->link = url("node/$nid", array('absolute' => TRUE));
webmaster@1:
webmaster@1: if ($item_length != 'title') {
webmaster@1: $teaser = ($item_length == 'teaser') ? TRUE : FALSE;
webmaster@1:
webmaster@1: // Filter and prepare node teaser
webmaster@1: if (node_hook($item, 'view')) {
webmaster@1: $item = node_invoke($item, 'view', $teaser, FALSE);
webmaster@1: }
webmaster@1: else {
webmaster@1: $item = node_prepare($item, $teaser);
webmaster@1: }
webmaster@1:
webmaster@1: // Allow modules to change $node->teaser before viewing.
webmaster@1: node_invoke_nodeapi($item, 'view', $teaser, FALSE);
webmaster@1: }
webmaster@1:
webmaster@1: // Allow modules to add additional item fields and/or modify $item
webmaster@1: $extra = node_invoke_nodeapi($item, 'rss item');
webmaster@7: $extra = array_merge($extra, array(array('key' => 'pubDate', 'value' => gmdate('r', $item->created)), array('key' => 'dc:creator', 'value' => $item->name), array('key' => 'guid', 'value' => $item->nid .' at '. $base_url, 'attributes' => array('isPermaLink' => 'false'))));
webmaster@1: foreach ($extra as $element) {
webmaster@1: if (isset($element['namespace'])) {
webmaster@1: $namespaces = array_merge($namespaces, $element['namespace']);
webmaster@1: }
webmaster@1: }
webmaster@1:
webmaster@1: // Prepare the item description
webmaster@1: switch ($item_length) {
webmaster@1: case 'fulltext':
webmaster@1: $item_text = $item->body;
webmaster@1: break;
webmaster@1: case 'teaser':
webmaster@1: $item_text = $item->teaser;
webmaster@1: if (!empty($item->readmore)) {
webmaster@1: $item_text .= ''. l(t('read more'), 'node/'. $item->nid, array('absolute' => TRUE, 'attributes' => array('target' => '_blank'))) .'
';
webmaster@1: }
webmaster@1: break;
webmaster@1: case 'title':
webmaster@1: $item_text = '';
webmaster@1: break;
webmaster@1: }
webmaster@1:
webmaster@1: $items .= format_rss_item($item->title, $item->link, $item_text, $extra);
webmaster@1: }
webmaster@1:
webmaster@1: $channel_defaults = array(
webmaster@1: 'version' => '2.0',
webmaster@1: 'title' => variable_get('site_name', 'Drupal'),
webmaster@1: 'link' => $base_url,
webmaster@1: 'description' => variable_get('site_mission', ''),
webmaster@1: 'language' => $language->language
webmaster@1: );
webmaster@1: $channel = array_merge($channel_defaults, $channel);
webmaster@1:
webmaster@1: $output = "\n";
webmaster@1: $output .= "\n";
webmaster@1: $output .= format_rss_channel($channel['title'], $channel['link'], $channel['description'], $items, $channel['language']);
webmaster@1: $output .= "\n";
webmaster@1:
webmaster@1: drupal_set_header('Content-Type: application/rss+xml; charset=utf-8');
webmaster@1: print $output;
webmaster@1: }
webmaster@1:
webmaster@1: /**
webmaster@1: * Menu callback; Generate a listing of promoted nodes.
webmaster@1: */
webmaster@1: function node_page_default() {
webmaster@1: $result = pager_query(db_rewrite_sql('SELECT n.nid, n.sticky, n.created FROM {node} n WHERE n.promote = 1 AND n.status = 1 ORDER BY n.sticky DESC, n.created DESC'), variable_get('default_nodes_main', 10));
webmaster@1:
webmaster@1: $output = '';
webmaster@1: $num_rows = FALSE;
webmaster@1: while ($node = db_fetch_object($result)) {
webmaster@1: $output .= node_view(node_load($node->nid), 1);
webmaster@1: $num_rows = TRUE;
webmaster@1: }
webmaster@1:
webmaster@1: if ($num_rows) {
webmaster@1: $feed_url = url('rss.xml', array('absolute' => TRUE));
webmaster@1: drupal_add_feed($feed_url, variable_get('site_name', 'Drupal') .' '. t('RSS'));
webmaster@1: $output .= theme('pager', NULL, variable_get('default_nodes_main', 10));
webmaster@1: }
webmaster@1: else {
webmaster@1: $default_message = t('Welcome to your new Drupal website!
Please follow these steps to set up and start using your website:
');
webmaster@1: $default_message .= '';
webmaster@1:
webmaster@1: $default_message .= '- '. t('Configure your website Once logged in, visit the administration section, where you can customize and configure all aspects of your website.', array('@admin' => url('admin'), '@config' => url('admin/settings'))) .'
';
webmaster@1: $default_message .= '- '. t('Enable additional functionality Next, visit the module list and enable features which suit your specific needs. You can find additional modules in the Drupal modules download section.', array('@modules' => url('admin/build/modules'), '@download_modules' => 'http://drupal.org/project/modules')) .'
';
webmaster@1: $default_message .= '- '. t('Customize your website design To change the "look and feel" of your website, visit the themes section. You may choose from one of the included themes or download additional themes from the Drupal themes download section.', array('@themes' => url('admin/build/themes'), '@download_themes' => 'http://drupal.org/project/themes')) .'
';
webmaster@1: $default_message .= '- '. t('Start posting content Finally, you can create content for your website. This message will disappear once you have promoted a post to the front page.', array('@content' => url('node/add'))) .'
';
webmaster@1: $default_message .= '
';
webmaster@1: $default_message .= ''. t('For more information, please refer to the help section, or the online Drupal handbooks. You may also post at the Drupal forum, or view the wide range of other support options available.', array('@help' => url('admin/help'), '@handbook' => 'http://drupal.org/handbooks', '@forum' => 'http://drupal.org/forum', '@support' => 'http://drupal.org/support')) .'
';
webmaster@1:
webmaster@1: $output = ''. $default_message .'
';
webmaster@1: }
webmaster@1: drupal_set_title('');
webmaster@1:
webmaster@1: return $output;
webmaster@1: }
webmaster@1:
webmaster@1: /**
webmaster@1: * Menu callback; view a single node.
webmaster@1: */
webmaster@1: function node_page_view($node, $cid = NULL) {
webmaster@1: drupal_set_title(check_plain($node->title));
webmaster@1: return node_show($node, $cid);
webmaster@1: }
webmaster@1:
webmaster@1: /**
webmaster@1: * Implementation of hook_update_index().
webmaster@1: */
webmaster@1: function node_update_index() {
webmaster@1: $limit = (int)variable_get('search_cron_limit', 100);
webmaster@1:
webmaster@1: // Store the maximum possible comments per thread (used for ranking by reply count)
webmaster@1: variable_set('node_cron_comments_scale', 1.0 / max(1, db_result(db_query('SELECT MAX(comment_count) FROM {node_comment_statistics}'))));
webmaster@1: variable_set('node_cron_views_scale', 1.0 / max(1, db_result(db_query('SELECT MAX(totalcount) FROM {node_counter}'))));
webmaster@1:
webmaster@1: $result = db_query_range("SELECT n.nid FROM {node} n LEFT JOIN {search_dataset} d ON d.type = 'node' AND d.sid = n.nid WHERE d.sid IS NULL OR d.reindex <> 0 ORDER BY d.reindex ASC, n.nid ASC", 0, $limit);
webmaster@1:
webmaster@1: while ($node = db_fetch_object($result)) {
webmaster@1: _node_index_node($node);
webmaster@1: }
webmaster@1: }
webmaster@1:
webmaster@1: /**
webmaster@1: * Index a single node.
webmaster@1: *
webmaster@1: * @param $node
webmaster@1: * The node to index.
webmaster@1: */
webmaster@1: function _node_index_node($node) {
webmaster@1: $node = node_load($node->nid);
webmaster@1:
webmaster@1: // save the changed time of the most recent indexed node, for the search results half-life calculation
webmaster@1: variable_set('node_cron_last', $node->changed);
webmaster@1:
webmaster@1: // Build the node body.
webmaster@1: $node->build_mode = NODE_BUILD_SEARCH_INDEX;
webmaster@1: $node = node_build_content($node, FALSE, FALSE);
webmaster@1: $node->body = drupal_render($node->content);
webmaster@1:
webmaster@1: $text = ''. check_plain($node->title) .'
'. $node->body;
webmaster@1:
webmaster@1: // Fetch extra data normally not visible
webmaster@1: $extra = node_invoke_nodeapi($node, 'update index');
webmaster@1: foreach ($extra as $t) {
webmaster@1: $text .= $t;
webmaster@1: }
webmaster@1:
webmaster@1: // Update index
webmaster@1: search_index($node->nid, 'node', $text);
webmaster@1: }
webmaster@1:
webmaster@1: /**
webmaster@1: * Implementation of hook_form_alter().
webmaster@1: */
webmaster@1: function node_form_alter(&$form, $form_state, $form_id) {
webmaster@1: // Advanced node search form
webmaster@1: if ($form_id == 'search_form' && $form['module']['#value'] == 'node' && user_access('use advanced search')) {
webmaster@1: // Keyword boxes:
webmaster@1: $form['advanced'] = array(
webmaster@1: '#type' => 'fieldset',
webmaster@1: '#title' => t('Advanced search'),
webmaster@1: '#collapsible' => TRUE,
webmaster@1: '#collapsed' => TRUE,
webmaster@1: '#attributes' => array('class' => 'search-advanced'),
webmaster@1: );
webmaster@1: $form['advanced']['keywords'] = array(
webmaster@1: '#prefix' => '',
webmaster@1: '#suffix' => '
',
webmaster@1: );
webmaster@1: $form['advanced']['keywords']['or'] = array(
webmaster@1: '#type' => 'textfield',
webmaster@1: '#title' => t('Containing any of the words'),
webmaster@1: '#size' => 30,
webmaster@1: '#maxlength' => 255,
webmaster@1: );
webmaster@1: $form['advanced']['keywords']['phrase'] = array(
webmaster@1: '#type' => 'textfield',
webmaster@1: '#title' => t('Containing the phrase'),
webmaster@1: '#size' => 30,
webmaster@1: '#maxlength' => 255,
webmaster@1: );
webmaster@1: $form['advanced']['keywords']['negative'] = array(
webmaster@1: '#type' => 'textfield',
webmaster@1: '#title' => t('Containing none of the words'),
webmaster@1: '#size' => 30,
webmaster@1: '#maxlength' => 255,
webmaster@1: );
webmaster@1:
webmaster@1: // Taxonomy box:
webmaster@1: if ($taxonomy = module_invoke('taxonomy', 'form_all', 1)) {
webmaster@1: $form['advanced']['category'] = array(
webmaster@1: '#type' => 'select',
webmaster@1: '#title' => t('Only in the category(s)'),
webmaster@1: '#prefix' => '',
webmaster@1: '#size' => 10,
webmaster@1: '#suffix' => '
',
webmaster@1: '#options' => $taxonomy,
webmaster@1: '#multiple' => TRUE,
webmaster@1: );
webmaster@1: }
webmaster@1:
webmaster@1: // Node types:
webmaster@1: $types = array_map('check_plain', node_get_types('names'));
webmaster@1: $form['advanced']['type'] = array(
webmaster@1: '#type' => 'checkboxes',
webmaster@1: '#title' => t('Only of the type(s)'),
webmaster@1: '#prefix' => '',
webmaster@1: '#suffix' => '
',
webmaster@1: '#options' => $types,
webmaster@1: );
webmaster@1: $form['advanced']['submit'] = array(
webmaster@1: '#type' => 'submit',
webmaster@1: '#value' => t('Advanced search'),
webmaster@1: '#prefix' => '',
webmaster@1: '#suffix' => '
',
webmaster@1: );
webmaster@1:
webmaster@1: $form['#validate'][] = 'node_search_validate';
webmaster@1: }
webmaster@1: }
webmaster@1:
webmaster@1: /**
webmaster@1: * Form API callback for the search form. Registered in node_form_alter().
webmaster@1: */
webmaster@1: function node_search_validate($form, &$form_state) {
webmaster@1: // Initialise using any existing basic search keywords.
webmaster@1: $keys = $form_state['values']['processed_keys'];
webmaster@1:
webmaster@1: // Insert extra restrictions into the search keywords string.
webmaster@1: if (isset($form_state['values']['type']) && is_array($form_state['values']['type'])) {
webmaster@1: // Retrieve selected types - Forms API sets the value of unselected checkboxes to 0.
webmaster@1: $form_state['values']['type'] = array_filter($form_state['values']['type']);
webmaster@1: if (count($form_state['values']['type'])) {
webmaster@1: $keys = search_query_insert($keys, 'type', implode(',', array_keys($form_state['values']['type'])));
webmaster@1: }
webmaster@1: }
webmaster@1:
webmaster@1: if (isset($form_state['values']['category']) && is_array($form_state['values']['category'])) {
webmaster@1: $keys = search_query_insert($keys, 'category', implode(',', $form_state['values']['category']));
webmaster@1: }
webmaster@1: if ($form_state['values']['or'] != '') {
webmaster@1: if (preg_match_all('/ ("[^"]+"|[^" ]+)/i', ' '. $form_state['values']['or'], $matches)) {
webmaster@1: $keys .= ' '. implode(' OR ', $matches[1]);
webmaster@1: }
webmaster@1: }
webmaster@1: if ($form_state['values']['negative'] != '') {
webmaster@1: if (preg_match_all('/ ("[^"]+"|[^" ]+)/i', ' '. $form_state['values']['negative'], $matches)) {
webmaster@1: $keys .= ' -'. implode(' -', $matches[1]);
webmaster@1: }
webmaster@1: }
webmaster@1: if ($form_state['values']['phrase'] != '') {
webmaster@1: $keys .= ' "'. str_replace('"', ' ', $form_state['values']['phrase']) .'"';
webmaster@1: }
webmaster@1: if (!empty($keys)) {
webmaster@1: form_set_value($form['basic']['inline']['processed_keys'], trim($keys), $form_state);
webmaster@1: }
webmaster@1: }
webmaster@1:
webmaster@1: /**
webmaster@1: * @defgroup node_access Node access rights
webmaster@1: * @{
webmaster@1: * The node access system determines who can do what to which nodes.
webmaster@1: *
webmaster@1: * In determining access rights for a node, node_access() first checks
webmaster@1: * whether the user has the "administer nodes" permission. Such users have
webmaster@1: * unrestricted access to all nodes. Then the node module's hook_access()
webmaster@1: * is called, and a TRUE or FALSE return value will grant or deny access.
webmaster@1: * This allows, for example, the blog module to always grant access to the
webmaster@1: * blog author, and for the book module to always deny editing access to
webmaster@1: * PHP pages.
webmaster@1: *
webmaster@1: * If node module does not intervene (returns NULL), then the
webmaster@1: * node_access table is used to determine access. All node access
webmaster@1: * modules are queried using hook_node_grants() to assemble a list of
webmaster@1: * "grant IDs" for the user. This list is compared against the table.
webmaster@1: * If any row contains the node ID in question (or 0, which stands for "all
webmaster@1: * nodes"), one of the grant IDs returned, and a value of TRUE for the
webmaster@1: * operation in question, then access is granted. Note that this table is a
webmaster@1: * list of grants; any matching row is sufficient to grant access to the
webmaster@1: * node.
webmaster@1: *
webmaster@1: * In node listings, the process above is followed except that
webmaster@1: * hook_access() is not called on each node for performance reasons and for
webmaster@1: * proper functioning of the pager system. When adding a node listing to your
webmaster@1: * module, be sure to use db_rewrite_sql() to add
webmaster@1: * the appropriate clauses to your query for access checks.
webmaster@1: *
webmaster@1: * To see how to write a node access module of your own, see
webmaster@1: * node_access_example.module.
webmaster@1: */
webmaster@1:
webmaster@1: /**
webmaster@1: * Determine whether the current user may perform the given operation on the
webmaster@1: * specified node.
webmaster@1: *
webmaster@1: * @param $op
webmaster@1: * The operation to be performed on the node. Possible values are:
webmaster@1: * - "view"
webmaster@1: * - "update"
webmaster@1: * - "delete"
webmaster@1: * - "create"
webmaster@1: * @param $node
webmaster@1: * The node object (or node array) on which the operation is to be performed,
webmaster@1: * or node type (e.g. 'forum') for "create" operation.
webmaster@1: * @param $account
webmaster@1: * Optional, a user object representing the user for whom the operation is to
webmaster@1: * be performed. Determines access for a user other than the current user.
webmaster@1: * @return
webmaster@1: * TRUE if the operation may be performed.
webmaster@1: */
webmaster@1: function node_access($op, $node, $account = NULL) {
webmaster@1: global $user;
webmaster@1:
franck@19: if (!$node || !in_array($op, array('view', 'update', 'delete', 'create'), TRUE)) {
franck@19: // If there was no node to check against, or the $op was not one of the
franck@19: // supported ones, we return access denied.
webmaster@1: return FALSE;
webmaster@1: }
webmaster@1: // Convert the node to an object if necessary:
webmaster@1: if ($op != 'create') {
webmaster@1: $node = (object)$node;
webmaster@1: }
webmaster@1: // If no user object is supplied, the access check is for the current user.
webmaster@1: if (empty($account)) {
webmaster@1: $account = $user;
webmaster@1: }
webmaster@1: // If the node is in a restricted format, disallow editing.
webmaster@1: if ($op == 'update' && !filter_access($node->format)) {
webmaster@1: return FALSE;
webmaster@1: }
webmaster@1:
webmaster@1: if (user_access('administer nodes', $account)) {
webmaster@1: return TRUE;
webmaster@1: }
webmaster@1:
webmaster@1: if (!user_access('access content', $account)) {
webmaster@1: return FALSE;
webmaster@1: }
webmaster@1:
webmaster@1: // Can't use node_invoke(), because the access hook takes the $op parameter
webmaster@1: // before the $node parameter.
webmaster@1: $module = node_get_types('module', $node);
webmaster@1: if ($module == 'node') {
webmaster@1: $module = 'node_content'; // Avoid function name collisions.
webmaster@1: }
webmaster@1: $access = module_invoke($module, 'access', $op, $node, $account);
webmaster@1: if (!is_null($access)) {
webmaster@1: return $access;
webmaster@1: }
webmaster@1:
webmaster@1: // If the module did not override the access rights, use those set in the
webmaster@1: // node_access table.
webmaster@1: if ($op != 'create' && $node->nid && $node->status) {
webmaster@1: $grants = array();
webmaster@1: foreach (node_access_grants($op, $account) as $realm => $gids) {
webmaster@1: foreach ($gids as $gid) {
webmaster@1: $grants[] = "(gid = $gid AND realm = '$realm')";
webmaster@1: }
webmaster@1: }
webmaster@1:
webmaster@1: $grants_sql = '';
webmaster@1: if (count($grants)) {
webmaster@1: $grants_sql = 'AND ('. implode(' OR ', $grants) .')';
webmaster@1: }
webmaster@1:
webmaster@1: $sql = "SELECT COUNT(*) FROM {node_access} WHERE (nid = 0 OR nid = %d) $grants_sql AND grant_$op >= 1";
webmaster@1: $result = db_query($sql, $node->nid);
webmaster@1: return (db_result($result));
webmaster@1: }
webmaster@1:
webmaster@1: // Let authors view their own nodes.
webmaster@1: if ($op == 'view' && $account->uid == $node->uid && $account->uid != 0) {
webmaster@1: return TRUE;
webmaster@1: }
webmaster@1:
webmaster@1: return FALSE;
webmaster@1: }
webmaster@1:
webmaster@1: /**
webmaster@1: * Generate an SQL join clause for use in fetching a node listing.
webmaster@1: *
webmaster@1: * @param $node_alias
webmaster@1: * If the node table has been given an SQL alias other than the default
webmaster@1: * "n", that must be passed here.
webmaster@1: * @param $node_access_alias
webmaster@1: * If the node_access table has been given an SQL alias other than the default
webmaster@1: * "na", that must be passed here.
webmaster@1: * @return
webmaster@1: * An SQL join clause.
webmaster@1: */
webmaster@1: function _node_access_join_sql($node_alias = 'n', $node_access_alias = 'na') {
webmaster@1: if (user_access('administer nodes')) {
webmaster@1: return '';
webmaster@1: }
webmaster@1:
webmaster@1: return 'INNER JOIN {node_access} '. $node_access_alias .' ON '. $node_access_alias .'.nid = '. $node_alias .'.nid';
webmaster@1: }
webmaster@1:
webmaster@1: /**
webmaster@1: * Generate an SQL where clause for use in fetching a node listing.
webmaster@1: *
webmaster@1: * @param $op
webmaster@1: * The operation that must be allowed to return a node.
webmaster@1: * @param $node_access_alias
webmaster@1: * If the node_access table has been given an SQL alias other than the default
webmaster@1: * "na", that must be passed here.
webmaster@1: * @param $account
webmaster@1: * The user object for the user performing the operation. If omitted, the
webmaster@1: * current user is used.
webmaster@1: * @return
webmaster@1: * An SQL where clause.
webmaster@1: */
webmaster@1: function _node_access_where_sql($op = 'view', $node_access_alias = 'na', $account = NULL) {
webmaster@1: if (user_access('administer nodes')) {
webmaster@1: return;
webmaster@1: }
webmaster@1:
webmaster@1: $grants = array();
webmaster@1: foreach (node_access_grants($op, $account) as $realm => $gids) {
webmaster@1: foreach ($gids as $gid) {
webmaster@1: $grants[] = "($node_access_alias.gid = $gid AND $node_access_alias.realm = '$realm')";
webmaster@1: }
webmaster@1: }
webmaster@1:
webmaster@1: $grants_sql = '';
webmaster@1: if (count($grants)) {
webmaster@1: $grants_sql = 'AND ('. implode(' OR ', $grants) .')';
webmaster@1: }
webmaster@1:
webmaster@1: $sql = "$node_access_alias.grant_$op >= 1 $grants_sql";
webmaster@1: return $sql;
webmaster@1: }
webmaster@1:
webmaster@1: /**
webmaster@1: * Fetch an array of permission IDs granted to the given user ID.
webmaster@1: *
webmaster@1: * The implementation here provides only the universal "all" grant. A node
webmaster@1: * access module should implement hook_node_grants() to provide a grant
webmaster@1: * list for the user.
webmaster@1: *
webmaster@1: * @param $op
webmaster@1: * The operation that the user is trying to perform.
webmaster@1: * @param $account
webmaster@1: * The user object for the user performing the operation. If omitted, the
webmaster@1: * current user is used.
webmaster@1: * @return
webmaster@1: * An associative array in which the keys are realms, and the values are
webmaster@1: * arrays of grants for those realms.
webmaster@1: */
webmaster@1: function node_access_grants($op, $account = NULL) {
webmaster@1:
webmaster@1: if (!isset($account)) {
webmaster@1: $account = $GLOBALS['user'];
webmaster@1: }
webmaster@1:
webmaster@1: return array_merge(array('all' => array(0)), module_invoke_all('node_grants', $account, $op));
webmaster@1: }
webmaster@1:
webmaster@1: /**
webmaster@1: * Determine whether the user has a global viewing grant for all nodes.
webmaster@1: */
webmaster@1: function node_access_view_all_nodes() {
webmaster@1: static $access;
webmaster@1:
webmaster@1: if (!isset($access)) {
webmaster@1: $grants = array();
webmaster@1: foreach (node_access_grants('view') as $realm => $gids) {
webmaster@1: foreach ($gids as $gid) {
webmaster@1: $grants[] = "(gid = $gid AND realm = '$realm')";
webmaster@1: }
webmaster@1: }
webmaster@1:
webmaster@1: $grants_sql = '';
webmaster@1: if (count($grants)) {
webmaster@1: $grants_sql = 'AND ('. implode(' OR ', $grants) .')';
webmaster@1: }
webmaster@1:
webmaster@1: $sql = "SELECT COUNT(*) FROM {node_access} WHERE nid = 0 $grants_sql AND grant_view >= 1";
webmaster@1: $result = db_query($sql);
webmaster@1: $access = db_result($result);
webmaster@1: }
webmaster@1:
webmaster@1: return $access;
webmaster@1: }
webmaster@1:
webmaster@1: /**
webmaster@1: * Implementation of hook_db_rewrite_sql
webmaster@1: */
webmaster@1: function node_db_rewrite_sql($query, $primary_table, $primary_field) {
webmaster@1: if ($primary_field == 'nid' && !node_access_view_all_nodes()) {
webmaster@1: $return['join'] = _node_access_join_sql($primary_table);
webmaster@1: $return['where'] = _node_access_where_sql();
webmaster@1: $return['distinct'] = 1;
webmaster@1: return $return;
webmaster@1: }
webmaster@1: }
webmaster@1:
webmaster@1: /**
webmaster@1: * This function will call module invoke to get a list of grants and then
webmaster@1: * write them to the database. It is called at node save, and should be
webmaster@1: * called by modules whenever something other than a node_save causes
webmaster@1: * the permissions on a node to change.
webmaster@1: *
webmaster@1: * This function is the only function that should write to the node_access
webmaster@1: * table.
webmaster@1: *
webmaster@1: * @param $node
webmaster@1: * The $node to acquire grants for.
webmaster@1: */
webmaster@1: function node_access_acquire_grants($node) {
webmaster@1: $grants = module_invoke_all('node_access_records', $node);
webmaster@1: if (empty($grants)) {
webmaster@1: $grants[] = array('realm' => 'all', 'gid' => 0, 'grant_view' => 1, 'grant_update' => 0, 'grant_delete' => 0);
webmaster@1: }
webmaster@1: else {
webmaster@1: // retain grants by highest priority
webmaster@1: $grant_by_priority = array();
webmaster@1: foreach ($grants as $g) {
webmaster@1: $grant_by_priority[intval($g['priority'])][] = $g;
webmaster@1: }
webmaster@1: krsort($grant_by_priority);
webmaster@1: $grants = array_shift($grant_by_priority);
webmaster@1: }
webmaster@1:
webmaster@1: node_access_write_grants($node, $grants);
webmaster@1: }
webmaster@1:
webmaster@1: /**
webmaster@1: * This function will write a list of grants to the database, deleting
webmaster@1: * any pre-existing grants. If a realm is provided, it will only
webmaster@1: * delete grants from that realm, but it will always delete a grant
webmaster@1: * from the 'all' realm. Modules which utilize node_access can
webmaster@1: * use this function when doing mass updates due to widespread permission
webmaster@1: * changes.
webmaster@1: *
webmaster@1: * @param $node
webmaster@1: * The $node being written to. All that is necessary is that it contain a nid.
webmaster@1: * @param $grants
webmaster@1: * A list of grants to write. Each grant is an array that must contain the
webmaster@1: * following keys: realm, gid, grant_view, grant_update, grant_delete.
webmaster@1: * The realm is specified by a particular module; the gid is as well, and
webmaster@1: * is a module-defined id to define grant privileges. each grant_* field
webmaster@1: * is a boolean value.
webmaster@1: * @param $realm
webmaster@1: * If provided, only read/write grants for that realm.
webmaster@1: * @param $delete
webmaster@1: * If false, do not delete records. This is only for optimization purposes,
webmaster@1: * and assumes the caller has already performed a mass delete of some form.
webmaster@1: */
webmaster@1: function node_access_write_grants($node, $grants, $realm = NULL, $delete = TRUE) {
webmaster@1: if ($delete) {
webmaster@1: $query = 'DELETE FROM {node_access} WHERE nid = %d';
webmaster@1: if ($realm) {
webmaster@1: $query .= " AND realm in ('%s', 'all')";
webmaster@1: }
webmaster@1: db_query($query, $node->nid, $realm);
webmaster@1: }
webmaster@1:
webmaster@1: // Only perform work when node_access modules are active.
webmaster@1: if (count(module_implements('node_grants'))) {
webmaster@1: foreach ($grants as $grant) {
webmaster@1: if ($realm && $realm != $grant['realm']) {
webmaster@1: continue;
webmaster@1: }
webmaster@1: // Only write grants; denies are implicit.
webmaster@1: if ($grant['grant_view'] || $grant['grant_update'] || $grant['grant_delete']) {
webmaster@1: db_query("INSERT INTO {node_access} (nid, realm, gid, grant_view, grant_update, grant_delete) VALUES (%d, '%s', %d, %d, %d, %d)", $node->nid, $grant['realm'], $grant['gid'], $grant['grant_view'], $grant['grant_update'], $grant['grant_delete']);
webmaster@1: }
webmaster@1: }
webmaster@1: }
webmaster@1: }
webmaster@1:
webmaster@1: /**
webmaster@1: * Flag / unflag the node access grants for rebuilding, or read the current
webmaster@1: * value of the flag.
webmaster@1: *
webmaster@1: * When the flag is set, a message is displayed to users with 'access
webmaster@1: * administration pages' permission, pointing to the 'rebuild' confirm form.
webmaster@1: * This can be used as an alternative to direct node_access_rebuild calls,
webmaster@1: * allowing administrators to decide when they want to perform the actual
webmaster@1: * (possibly time consuming) rebuild.
webmaster@1: * When unsure the current user is an adminisrator, node_access_rebuild
webmaster@1: * should be used instead.
webmaster@1: *
webmaster@1: * @param $rebuild
webmaster@1: * (Optional) The boolean value to be written.
webmaster@1: * @return
webmaster@1: * (If no value was provided for $rebuild) The current value of the flag.
webmaster@1: */
webmaster@1: function node_access_needs_rebuild($rebuild = NULL) {
webmaster@1: if (!isset($rebuild)) {
webmaster@1: return variable_get('node_access_needs_rebuild', FALSE);
webmaster@1: }
webmaster@1: elseif ($rebuild) {
webmaster@1: variable_set('node_access_needs_rebuild', TRUE);
webmaster@1: }
webmaster@1: else {
webmaster@1: variable_del('node_access_needs_rebuild');
webmaster@1: }
webmaster@1: }
webmaster@1:
webmaster@1: /**
webmaster@1: * Rebuild the node access database. This is occasionally needed by modules
webmaster@1: * that make system-wide changes to access levels.
webmaster@1: *
webmaster@1: * When the rebuild is required by an admin-triggered action (e.g module
webmaster@1: * settings form), calling node_access_needs_rebuild(TRUE) instead of
webmaster@1: * node_access_rebuild() lets the user perform his changes and actually
webmaster@1: * rebuild only once he is done.
webmaster@1: *
webmaster@1: * Note : As of Drupal 6, node access modules are not required to (and actually
webmaster@1: * should not) call node_access_rebuild() in hook_enable/disable anymore.
webmaster@1: *
webmaster@1: * @see node_access_needs_rebuild()
webmaster@1: *
webmaster@1: * @param $batch_mode
webmaster@1: * Set to TRUE to process in 'batch' mode, spawning processing over several
webmaster@1: * HTTP requests (thus avoiding the risk of PHP timeout if the site has a
webmaster@1: * large number of nodes).
webmaster@1: * hook_update_N and any form submit handler are safe contexts to use the
webmaster@1: * 'batch mode'. Less decidable cases (such as calls from hook_user,
webmaster@1: * hook_taxonomy, hook_node_type...) might consider using the non-batch mode.
webmaster@1: */
webmaster@1: function node_access_rebuild($batch_mode = FALSE) {
webmaster@1: db_query("DELETE FROM {node_access}");
webmaster@1: // Only recalculate if the site is using a node_access module.
webmaster@1: if (count(module_implements('node_grants'))) {
webmaster@1: if ($batch_mode) {
webmaster@1: $batch = array(
webmaster@1: 'title' => t('Rebuilding content access permissions'),
webmaster@1: 'operations' => array(
webmaster@1: array('_node_access_rebuild_batch_operation', array()),
webmaster@1: ),
webmaster@1: 'finished' => '_node_access_rebuild_batch_finished'
webmaster@1: );
webmaster@1: batch_set($batch);
webmaster@1: }
webmaster@1: else {
webmaster@1: // If not in 'safe mode', increase the maximum execution time.
webmaster@1: if (!ini_get('safe_mode')) {
webmaster@1: set_time_limit(240);
webmaster@1: }
webmaster@1: $result = db_query("SELECT nid FROM {node}");
webmaster@1: while ($node = db_fetch_object($result)) {
webmaster@1: $loaded_node = node_load($node->nid, NULL, TRUE);
webmaster@1: // To preserve database integrity, only aquire grants if the node
webmaster@1: // loads successfully.
webmaster@1: if (!empty($loaded_node)) {
webmaster@1: node_access_acquire_grants($loaded_node);
webmaster@1: }
webmaster@1: }
webmaster@1: }
webmaster@1: }
webmaster@1: else {
webmaster@1: // Not using any node_access modules. Add the default grant.
webmaster@1: db_query("INSERT INTO {node_access} VALUES (0, 0, 'all', 1, 0, 0)");
webmaster@1: }
webmaster@1:
webmaster@1: if (!isset($batch)) {
webmaster@1: drupal_set_message(t('Content permissions have been rebuilt.'));
webmaster@1: node_access_needs_rebuild(FALSE);
webmaster@1: cache_clear_all();
webmaster@1: }
webmaster@1: }
webmaster@1:
webmaster@1: /**
webmaster@1: * Batch operation for node_access_rebuild_batch.
webmaster@1: *
webmaster@1: * This is a mutlistep operation : we go through all nodes by packs of 20.
webmaster@1: * The batch processing engine interrupts processing and sends progress
webmaster@1: * feedback after 1 second execution time.
webmaster@1: */
webmaster@1: function _node_access_rebuild_batch_operation(&$context) {
webmaster@1: if (empty($context['sandbox'])) {
webmaster@1: // Initiate multistep processing.
webmaster@1: $context['sandbox']['progress'] = 0;
webmaster@1: $context['sandbox']['current_node'] = 0;
webmaster@1: $context['sandbox']['max'] = db_result(db_query('SELECT COUNT(DISTINCT nid) FROM {node}'));
webmaster@1: }
webmaster@1:
webmaster@1: // Process the next 20 nodes.
webmaster@1: $limit = 20;
webmaster@1: $result = db_query_range("SELECT nid FROM {node} WHERE nid > %d ORDER BY nid ASC", $context['sandbox']['current_node'], 0, $limit);
webmaster@1: while ($row = db_fetch_array($result)) {
webmaster@1: $loaded_node = node_load($row['nid'], NULL, TRUE);
webmaster@1: // To preserve database integrity, only aquire grants if the node
webmaster@1: // loads successfully.
webmaster@1: if (!empty($loaded_node)) {
webmaster@1: node_access_acquire_grants($loaded_node);
webmaster@1: }
webmaster@1: $context['sandbox']['progress']++;
webmaster@1: $context['sandbox']['current_node'] = $loaded_node->nid;
webmaster@1: }
webmaster@1:
webmaster@1: // Multistep processing : report progress.
webmaster@1: if ($context['sandbox']['progress'] != $context['sandbox']['max']) {
webmaster@1: $context['finished'] = $context['sandbox']['progress'] / $context['sandbox']['max'];
webmaster@1: }
webmaster@1: }
webmaster@1:
webmaster@1: /**
webmaster@1: * Post-processing for node_access_rebuild_batch.
webmaster@1: */
webmaster@1: function _node_access_rebuild_batch_finished($success, $results, $operations) {
webmaster@1: if ($success) {
webmaster@1: drupal_set_message(t('The content access permissions have been rebuilt.'));
webmaster@1: node_access_needs_rebuild(FALSE);
webmaster@1: }
webmaster@1: else {
webmaster@1: drupal_set_message(t('The content access permissions have not been properly rebuilt.'), 'error');
webmaster@1: }
webmaster@1: cache_clear_all();
webmaster@1: }
webmaster@1:
webmaster@1: /**
webmaster@1: * @} End of "defgroup node_access".
webmaster@1: */
webmaster@1:
webmaster@1:
webmaster@1: /**
webmaster@1: * @defgroup node_content Hook implementations for user-created content types.
webmaster@1: * @{
webmaster@1: */
webmaster@1:
webmaster@1: /**
webmaster@1: * Implementation of hook_access().
webmaster@1: *
webmaster@1: * Named so as not to conflict with node_access()
webmaster@1: */
webmaster@1: function node_content_access($op, $node, $account) {
webmaster@1: $type = is_string($node) ? $node : (is_array($node) ? $node['type'] : $node->type);
webmaster@1:
webmaster@1: if ($op == 'create') {
webmaster@1: return user_access('create '. $type .' content', $account);
webmaster@1: }
webmaster@1:
webmaster@1: if ($op == 'update') {
webmaster@1: if (user_access('edit any '. $type .' content', $account) || (user_access('edit own '. $type .' content', $account) && ($account->uid == $node->uid))) {
webmaster@1: return TRUE;
webmaster@1: }
webmaster@1: }
webmaster@1:
webmaster@1: if ($op == 'delete') {
webmaster@1: if (user_access('delete any '. $type .' content', $account) || (user_access('delete own '. $type .' content', $account) && ($account->uid == $node->uid))) {
webmaster@1: return TRUE;
webmaster@1: }
webmaster@1: }
webmaster@1: }
webmaster@1:
webmaster@1: /**
webmaster@1: * Implementation of hook_form().
webmaster@1: */
webmaster@1: function node_content_form($node, $form_state) {
webmaster@1: $type = node_get_types('type', $node);
webmaster@1: $form = array();
webmaster@1:
webmaster@1: if ($type->has_title) {
webmaster@1: $form['title'] = array(
webmaster@1: '#type' => 'textfield',
webmaster@1: '#title' => check_plain($type->title_label),
webmaster@1: '#required' => TRUE,
webmaster@1: '#default_value' => $node->title,
webmaster@1: '#maxlength' => 255,
webmaster@1: '#weight' => -5,
webmaster@1: );
webmaster@1: }
webmaster@1:
webmaster@1: if ($type->has_body) {
webmaster@1: $form['body_field'] = node_body_field($node, $type->body_label, $type->min_word_count);
webmaster@1: }
webmaster@1:
webmaster@1: return $form;
webmaster@1: }
webmaster@1:
webmaster@1: /**
webmaster@1: * @} End of "defgroup node_content".
webmaster@1: */
webmaster@1:
webmaster@1: /**
webmaster@1: * Implementation of hook_forms(). All node forms share the same form handler
webmaster@1: */
webmaster@1: function node_forms() {
webmaster@1: $forms = array();
webmaster@1: if ($types = node_get_types()) {
webmaster@1: foreach (array_keys($types) as $type) {
webmaster@1: $forms[$type .'_node_form']['callback'] = 'node_form';
webmaster@1: }
webmaster@1: }
webmaster@1: return $forms;
webmaster@1: }
webmaster@1:
webmaster@1: /**
webmaster@1: * Format the "Submitted by username on date/time" for each node
webmaster@1: *
webmaster@1: * @ingroup themeable
webmaster@1: */
webmaster@1: function theme_node_submitted($node) {
webmaster@1: return t('Submitted by !username on @datetime',
webmaster@1: array(
webmaster@1: '!username' => theme('username', $node),
webmaster@1: '@datetime' => format_date($node->created),
webmaster@1: ));
webmaster@1: }
webmaster@1:
webmaster@1: /**
webmaster@1: * Implementation of hook_hook_info().
webmaster@1: */
webmaster@1: function node_hook_info() {
webmaster@1: return array(
webmaster@1: 'node' => array(
webmaster@1: 'nodeapi' => array(
webmaster@1: 'presave' => array(
webmaster@1: 'runs when' => t('When either saving a new post or updating an existing post'),
webmaster@1: ),
webmaster@1: 'insert' => array(
webmaster@1: 'runs when' => t('After saving a new post'),
webmaster@1: ),
webmaster@1: 'update' => array(
webmaster@1: 'runs when' => t('After saving an updated post'),
webmaster@1: ),
webmaster@1: 'delete' => array(
webmaster@1: 'runs when' => t('After deleting a post')
webmaster@1: ),
webmaster@1: 'view' => array(
webmaster@1: 'runs when' => t('When content is viewed by an authenticated user')
webmaster@1: ),
webmaster@1: ),
webmaster@1: ),
webmaster@1: );
webmaster@1: }
webmaster@1:
webmaster@1: /**
webmaster@1: * Implementation of hook_action_info().
webmaster@1: */
webmaster@1: function node_action_info() {
webmaster@1: return array(
webmaster@1: 'node_publish_action' => array(
webmaster@1: 'type' => 'node',
webmaster@1: 'description' => t('Publish post'),
webmaster@1: 'configurable' => FALSE,
webmaster@1: 'behavior' => array('changes_node_property'),
webmaster@1: 'hooks' => array(
webmaster@1: 'nodeapi' => array('presave'),
webmaster@1: 'comment' => array('insert', 'update'),
webmaster@1: ),
webmaster@1: ),
webmaster@1: 'node_unpublish_action' => array(
webmaster@1: 'type' => 'node',
webmaster@1: 'description' => t('Unpublish post'),
webmaster@1: 'configurable' => FALSE,
webmaster@1: 'behavior' => array('changes_node_property'),
webmaster@1: 'hooks' => array(
webmaster@1: 'nodeapi' => array('presave'),
webmaster@1: 'comment' => array('delete', 'insert', 'update'),
webmaster@1: ),
webmaster@1: ),
webmaster@1: 'node_make_sticky_action' => array(
webmaster@1: 'type' => 'node',
webmaster@1: 'description' => t('Make post sticky'),
webmaster@1: 'configurable' => FALSE,
webmaster@1: 'behavior' => array('changes_node_property'),
webmaster@1: 'hooks' => array(
webmaster@1: 'nodeapi' => array('presave'),
webmaster@1: 'comment' => array('insert', 'update'),
webmaster@1: ),
webmaster@1: ),
webmaster@1: 'node_make_unsticky_action' => array(
webmaster@1: 'type' => 'node',
webmaster@1: 'description' => t('Make post unsticky'),
webmaster@1: 'configurable' => FALSE,
webmaster@1: 'behavior' => array('changes_node_property'),
webmaster@1: 'hooks' => array(
webmaster@1: 'nodeapi' => array('presave'),
webmaster@1: 'comment' => array('delete', 'insert', 'update'),
webmaster@1: ),
webmaster@1: ),
webmaster@1: 'node_promote_action' => array(
webmaster@1: 'type' => 'node',
webmaster@1: 'description' => t('Promote post to front page'),
webmaster@1: 'configurable' => FALSE,
webmaster@1: 'behavior' => array('changes_node_property'),
webmaster@1: 'hooks' => array(
webmaster@1: 'nodeapi' => array('presave'),
webmaster@1: 'comment' => array('insert', 'update'),
webmaster@1: ),
webmaster@1: ),
webmaster@1: 'node_unpromote_action' => array(
webmaster@1: 'type' => 'node',
webmaster@1: 'description' => t('Remove post from front page'),
webmaster@1: 'configurable' => FALSE,
webmaster@1: 'behavior' => array('changes_node_property'),
webmaster@1: 'hooks' => array(
webmaster@1: 'nodeapi' => array('presave'),
webmaster@1: 'comment' => array('delete', 'insert', 'update'),
webmaster@1: ),
webmaster@1: ),
webmaster@1: 'node_assign_owner_action' => array(
webmaster@1: 'type' => 'node',
webmaster@1: 'description' => t('Change the author of a post'),
webmaster@1: 'configurable' => TRUE,
webmaster@1: 'behavior' => array('changes_node_property'),
webmaster@1: 'hooks' => array(
webmaster@1: 'any' => TRUE,
webmaster@1: 'nodeapi' => array('presave'),
webmaster@1: 'comment' => array('delete', 'insert', 'update'),
webmaster@1: ),
webmaster@1: ),
webmaster@1: 'node_save_action' => array(
webmaster@1: 'type' => 'node',
webmaster@1: 'description' => t('Save post'),
webmaster@1: 'configurable' => FALSE,
webmaster@1: 'hooks' => array(
webmaster@1: 'comment' => array('delete', 'insert', 'update'),
webmaster@1: ),
webmaster@1: ),
webmaster@1: 'node_unpublish_by_keyword_action' => array(
webmaster@1: 'type' => 'node',
webmaster@1: 'description' => t('Unpublish post containing keyword(s)'),
webmaster@1: 'configurable' => TRUE,
webmaster@1: 'hooks' => array(
webmaster@1: 'nodeapi' => array('presave', 'insert', 'update'),
webmaster@1: ),
webmaster@1: ),
webmaster@1: );
webmaster@1: }
webmaster@1:
webmaster@1: /**
webmaster@1: * Implementation of a Drupal action.
webmaster@1: * Sets the status of a node to 1, meaning published.
webmaster@1: */
webmaster@1: function node_publish_action(&$node, $context = array()) {
webmaster@1: $node->status = 1;
webmaster@1: watchdog('action', 'Set @type %title to published.', array('@type' => node_get_types('name', $node), '%title' => $node->title));
webmaster@1: }
webmaster@1:
webmaster@1: /**
webmaster@1: * Implementation of a Drupal action.
webmaster@1: * Sets the status of a node to 0, meaning unpublished.
webmaster@1: */
webmaster@1: function node_unpublish_action(&$node, $context = array()) {
webmaster@1: $node->status = 0;
webmaster@1: watchdog('action', 'Set @type %title to unpublished.', array('@type' => node_get_types('name', $node), '%title' => $node->title));
webmaster@1: }
webmaster@1:
webmaster@1: /**
webmaster@1: * Implementation of a Drupal action.
webmaster@1: * Sets the sticky-at-top-of-list property of a node to 1.
webmaster@1: */
webmaster@1: function node_make_sticky_action(&$node, $context = array()) {
webmaster@1: $node->sticky = 1;
webmaster@1: watchdog('action', 'Set @type %title to sticky.', array('@type' => node_get_types('name', $node), '%title' => $node->title));
webmaster@1: }
webmaster@1:
webmaster@1: /**
webmaster@1: * Implementation of a Drupal action.
webmaster@1: * Sets the sticky-at-top-of-list property of a node to 0.
webmaster@1: */
webmaster@1: function node_make_unsticky_action(&$node, $context = array()) {
webmaster@1: $node->sticky = 0;
webmaster@1: watchdog('action', 'Set @type %title to unsticky.', array('@type' => node_get_types('name', $node), '%title' => $node->title));
webmaster@1: }
webmaster@1:
webmaster@1: /**
webmaster@1: * Implementation of a Drupal action.
webmaster@1: * Sets the promote property of a node to 1.
webmaster@1: */
webmaster@1: function node_promote_action(&$node, $context = array()) {
webmaster@1: $node->promote = 1;
webmaster@1: watchdog('action', 'Promoted @type %title to front page.', array('@type' => node_get_types('name', $node), '%title' => $node->title));
webmaster@1: }
webmaster@1:
webmaster@1: /**
webmaster@1: * Implementation of a Drupal action.
webmaster@1: * Sets the promote property of a node to 0.
webmaster@1: */
webmaster@1: function node_unpromote_action(&$node, $context = array()) {
webmaster@1: $node->promote = 0;
webmaster@1: watchdog('action', 'Removed @type %title from front page.', array('@type' => node_get_types('name', $node), '%title' => $node->title));
webmaster@1: }
webmaster@1:
webmaster@1: /**
webmaster@1: * Implementation of a Drupal action.
webmaster@1: * Saves a node.
webmaster@1: */
webmaster@1: function node_save_action($node) {
webmaster@1: node_save($node);
webmaster@1: watchdog('action', 'Saved @type %title', array('@type' => node_get_types('name', $node), '%title' => $node->title));
webmaster@1: }
webmaster@1:
webmaster@1: /**
webmaster@1: * Implementation of a configurable Drupal action.
webmaster@1: * Assigns ownership of a node to a user.
webmaster@1: */
webmaster@1: function node_assign_owner_action(&$node, $context) {
webmaster@1: $node->uid = $context['owner_uid'];
webmaster@1: $owner_name = db_result(db_query("SELECT name FROM {users} WHERE uid = %d", $context['owner_uid']));
webmaster@1: watchdog('action', 'Changed owner of @type %title to uid %name.', array('@type' => node_get_types('type', $node), '%title' => $node->title, '%name' => $owner_name));
webmaster@1: }
webmaster@1:
webmaster@1: function node_assign_owner_action_form($context) {
webmaster@1: $description = t('The username of the user to which you would like to assign ownership.');
webmaster@1: $count = db_result(db_query("SELECT COUNT(*) FROM {users}"));
webmaster@1: $owner_name = '';
webmaster@1: if (isset($context['owner_uid'])) {
webmaster@1: $owner_name = db_result(db_query("SELECT name FROM {users} WHERE uid = %d", $context['owner_uid']));
webmaster@1: }
webmaster@1:
webmaster@1: // Use dropdown for fewer than 200 users; textbox for more than that.
webmaster@1: if (intval($count) < 200) {
webmaster@1: $options = array();
webmaster@1: $result = db_query("SELECT uid, name FROM {users} WHERE uid > 0 ORDER BY name");
webmaster@1: while ($data = db_fetch_object($result)) {
webmaster@1: $options[$data->name] = $data->name;
webmaster@1: }
webmaster@1: $form['owner_name'] = array(
webmaster@1: '#type' => 'select',
webmaster@1: '#title' => t('Username'),
webmaster@1: '#default_value' => $owner_name,
webmaster@1: '#options' => $options,
webmaster@1: '#description' => $description,
webmaster@1: );
webmaster@1: }
webmaster@1: else {
webmaster@1: $form['owner_name'] = array(
webmaster@1: '#type' => 'textfield',
webmaster@1: '#title' => t('Username'),
webmaster@1: '#default_value' => $owner_name,
webmaster@1: '#autocomplete_path' => 'user/autocomplete',
webmaster@1: '#size' => '6',
webmaster@1: '#maxlength' => '7',
webmaster@1: '#description' => $description,
webmaster@1: );
webmaster@1: }
webmaster@1: return $form;
webmaster@1: }
webmaster@1:
webmaster@1: function node_assign_owner_action_validate($form, $form_state) {
webmaster@1: $count = db_result(db_query("SELECT COUNT(*) FROM {users} WHERE name = '%s'", $form_state['values']['owner_name']));
webmaster@1: if (intval($count) != 1) {
webmaster@1: form_set_error('owner_name', t('Please enter a valid username.'));
webmaster@1: }
webmaster@1: }
webmaster@1:
webmaster@1: function node_assign_owner_action_submit($form, $form_state) {
webmaster@1: // Username can change, so we need to store the ID, not the username.
webmaster@1: $uid = db_result(db_query("SELECT uid from {users} WHERE name = '%s'", $form_state['values']['owner_name']));
webmaster@1: return array('owner_uid' => $uid);
webmaster@1: }
webmaster@1:
webmaster@1: function node_unpublish_by_keyword_action_form($context) {
webmaster@1: $form['keywords'] = array(
webmaster@1: '#title' => t('Keywords'),
webmaster@1: '#type' => 'textarea',
webmaster@1: '#description' => t('The post will be unpublished if it contains any of the character sequences above. Use a comma-separated list of character sequences. Example: funny, bungee jumping, "Company, Inc.". Character sequences are case-sensitive.'),
webmaster@1: '#default_value' => isset($context['keywords']) ? drupal_implode_tags($context['keywords']) : '',
webmaster@1: );
webmaster@1: return $form;
webmaster@1: }
webmaster@1:
webmaster@1: function node_unpublish_by_keyword_action_submit($form, $form_state) {
webmaster@1: return array('keywords' => drupal_explode_tags($form_state['values']['keywords']));
webmaster@1: }
webmaster@1:
webmaster@1: /**
webmaster@1: * Implementation of a configurable Drupal action.
webmaster@1: * Unpublish a node if it contains a certain string.
webmaster@1: *
webmaster@1: * @param $context
webmaster@1: * An array providing more information about the context of the call to this action.
webmaster@1: * @param $comment
webmaster@1: * A node object.
webmaster@1: */
webmaster@1: function node_unpublish_by_keyword_action($node, $context) {
webmaster@1: foreach ($context['keywords'] as $keyword) {
webmaster@1: if (strstr(node_view(drupal_clone($node)), $keyword) || strstr($node->title, $keyword)) {
webmaster@1: $node->status = 0;
webmaster@1: watchdog('action', 'Set @type %title to unpublished.', array('@type' => node_get_types('name', $node), '%title' => $node->title));
webmaster@1: break;
webmaster@1: }
webmaster@1: }
webmaster@1: }