--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/modules/dblog/dblog.admin.inc	Tue Dec 23 14:28:28 2008 +0100
@@ -0,0 +1,320 @@
+<?php
+// $Id: dblog.admin.inc,v 1.6 2008/01/08 10:35:41 goba Exp $
+
+/**
+ * @file
+ * Administrative page callbacks for the dblog module.
+ */
+
+/**
+ * dblog module settings form.
+ *
+ * @ingroup forms
+ * @see system_settings_form()
+ */
+function dblog_admin_settings() {
+  $form['dblog_row_limit'] = array(
+    '#type' => 'select',
+    '#title' => t('Discard log entries above the following row limit'),
+    '#default_value' => variable_get('dblog_row_limit', 1000),
+    '#options' => drupal_map_assoc(array(100, 1000, 10000, 100000, 1000000)),
+    '#description' => t('The maximum number of rows to keep in the database log. Older entries will be automatically discarded. (Requires a correctly configured <a href="@cron">cron maintenance task</a>.)', array('@cron' => url('admin/reports/status')))
+  );
+
+  return system_settings_form($form);
+}
+
+/**
+ * Menu callback; displays a listing of log messages.
+ */
+function dblog_overview() {
+  $filter = dblog_build_filter_query();
+  $rows = array();
+  $icons = array(
+    WATCHDOG_NOTICE  => '',
+    WATCHDOG_WARNING => theme('image', 'misc/watchdog-warning.png', t('warning'), t('warning')),
+    WATCHDOG_ERROR   => theme('image', 'misc/watchdog-error.png', t('error'), t('error')),
+  );
+  $classes = array(
+    WATCHDOG_NOTICE => 'dblog-notice',
+    WATCHDOG_WARNING => 'dblog-warning',
+    WATCHDOG_ERROR => 'dblog-error',
+  );
+
+  $output = drupal_get_form('dblog_filter_form');
+
+  $header = array(
+    ' ',
+    array('data' => t('Type'), 'field' => 'w.type'),
+    array('data' => t('Date'), 'field' => 'w.wid', 'sort' => 'desc'),
+    t('Message'),
+    array('data' => t('User'), 'field' => 'u.name'),
+    array('data' => t('Operations')),
+  );
+
+  $sql = "SELECT w.wid, w.uid, w.severity, w.type, w.timestamp, w.message, w.variables, w.link, u.name FROM {watchdog} w INNER JOIN {users} u ON w.uid = u.uid";
+  $tablesort = tablesort_sql($header);
+  if (!empty($filter['where'])) {
+    $result = pager_query($sql ." WHERE ". $filter['where'] . $tablesort, 50, 0, NULL, $filter['args']);
+  }
+  else {
+    $result = pager_query($sql . $tablesort, 50);
+  }
+
+  while ($dblog = db_fetch_object($result)) {
+    $rows[] = array('data' =>
+      array(
+        // Cells
+        $icons[$dblog->severity],
+        t($dblog->type),
+        format_date($dblog->timestamp, 'small'),
+        l(truncate_utf8(_dblog_format_message($dblog), 56, TRUE, TRUE), 'admin/reports/event/'. $dblog->wid, array('html' => TRUE)),
+        theme('username', $dblog),
+        $dblog->link,
+      ),
+      // Attributes for tr
+      'class' => "dblog-". preg_replace('/[^a-z]/i', '-', $dblog->type) .' '. $classes[$dblog->severity]
+    );
+  }
+
+  if (!$rows) {
+    $rows[] = array(array('data' => t('No log messages available.'), 'colspan' => 6));
+  }
+
+  $output .= theme('table', $header, $rows, array('id' => 'admin-dblog'));
+  $output .= theme('pager', NULL, 50, 0);
+
+  return $output;
+}
+
+/**
+ * Menu callback; generic function to display a page of the most frequent
+ * dblog events of a specified type.
+ */
+function dblog_top($type) {
+
+  $header = array(
+    array('data' => t('Count'), 'field' => 'count', 'sort' => 'desc'),
+    array('data' => t('Message'), 'field' => 'message')
+  );
+
+  $result = pager_query("SELECT COUNT(wid) AS count, message, variables FROM {watchdog} WHERE type = '%s' GROUP BY message, variables ". tablesort_sql($header), 30, 0, "SELECT COUNT(DISTINCT(message)) FROM {watchdog} WHERE type = '%s'", $type);
+
+  $rows = array();
+  while ($dblog = db_fetch_object($result)) {
+    $rows[] = array($dblog->count, truncate_utf8(_dblog_format_message($dblog), 56, TRUE, TRUE));
+  }
+
+  if (empty($rows)) {
+    $rows[] = array(array('data' => t('No log messages available.'), 'colspan' => 2));
+  }
+
+  $output  = theme('table', $header, $rows);
+  $output .= theme('pager', NULL, 30, 0);
+
+  return $output;
+}
+
+/**
+ * Menu callback; displays details about a log message.
+ */
+function dblog_event($id) {
+  $severity = watchdog_severity_levels();
+  $output = '';
+  $result = db_query('SELECT w.*, u.name, u.uid FROM {watchdog} w INNER JOIN {users} u ON w.uid = u.uid WHERE w.wid = %d', $id);
+  if ($dblog = db_fetch_object($result)) {
+    $rows = array(
+      array(
+        array('data' => t('Type'), 'header' => TRUE),
+        t($dblog->type),
+      ),
+      array(
+        array('data' => t('Date'), 'header' => TRUE),
+        format_date($dblog->timestamp, 'large'),
+      ),
+      array(
+        array('data' => t('User'), 'header' => TRUE),
+        theme('username', $dblog),
+      ),
+      array(
+        array('data' => t('Location'), 'header' => TRUE),
+        l($dblog->location, $dblog->location),
+      ),
+      array(
+        array('data' => t('Referrer'), 'header' => TRUE),
+        l($dblog->referer, $dblog->referer),
+      ),
+      array(
+        array('data' => t('Message'), 'header' => TRUE),
+        _dblog_format_message($dblog),
+      ),
+      array(
+        array('data' => t('Severity'), 'header' => TRUE),
+        $severity[$dblog->severity],
+      ),
+      array(
+        array('data' => t('Hostname'), 'header' => TRUE),
+        check_plain($dblog->hostname),
+      ),
+      array(
+        array('data' => t('Operations'), 'header' => TRUE),
+        $dblog->link,
+      ),
+    );
+    $attributes = array('class' => 'dblog-event');
+    $output = theme('table', array(), $rows, $attributes);
+  }
+  return $output;
+}
+
+/**
+ * Build query for dblog administration filters based on session.
+ */
+function dblog_build_filter_query() {
+  if (empty($_SESSION['dblog_overview_filter'])) {
+    return;
+  }
+
+  $filters = dblog_filters();
+
+  // Build query
+  $where = $args = array();
+  foreach ($_SESSION['dblog_overview_filter'] as $key => $filter) {
+    $filter_where = array();
+    foreach ($filter as $value) {
+      $filter_where[] = $filters[$key]['where'];
+      $args[] = $value;
+    }
+    if (!empty($filter_where)) {
+      $where[] = '('. implode(' OR ', $filter_where) .')';
+    }
+  }
+  $where = !empty($where) ? implode(' AND ', $where) : '';
+
+  return array(
+    'where' => $where,
+    'args' => $args,
+  );
+}
+
+
+/**
+ * List dblog administration filters that can be applied.
+ */
+function dblog_filters() {
+  $filters = array();
+
+  foreach (_dblog_get_message_types() as $type) {
+    $types[$type] = $type;
+  }
+
+  if (!empty($types)) {
+    $filters['type'] = array(
+      'title' => t('Type'),
+      'where' => "w.type = '%s'",
+      'options' => $types,
+    );
+  }
+
+  $filters['severity'] = array(
+    'title' => t('Severity'),
+    'where' => 'w.severity = %d',
+    'options' => watchdog_severity_levels(),
+  );
+
+  return $filters;
+}
+
+/**
+ * Formats a log message for display.
+ *
+ * @param $dblog
+ *   An object with at least the message and variables properties
+ */
+function _dblog_format_message($dblog) {
+  // Legacy messages and user specified text
+  if ($dblog->variables === 'N;') {
+    return $dblog->message;
+  }
+  // Message to translate with injected variables
+  else {
+    return t($dblog->message, unserialize($dblog->variables));
+  }
+}
+
+
+/**
+ * Return form for dblog administration filters.
+ *
+ * @ingroup forms
+ * @see dblog_filter_form_submit()
+ * @see dblog_filter_form_validate()
+ */
+function dblog_filter_form() {
+  $session = &$_SESSION['dblog_overview_filter'];
+  $session = is_array($session) ? $session : array();
+  $filters = dblog_filters();
+
+  $form['filters'] = array(
+    '#type' => 'fieldset',
+    '#title' => t('Filter log messages'),
+    '#theme' => 'dblog_filters',
+    '#collapsible' => TRUE,
+    '#collapsed' => empty($session),
+  );
+  foreach ($filters as $key => $filter) {
+    $form['filters']['status'][$key] = array(
+      '#title' => $filter['title'],
+      '#type' => 'select',
+      '#multiple' => TRUE,
+      '#size' => 8,
+      '#options' => $filter['options'],
+    );
+    if (!empty($session[$key])) {
+      $form['filters']['status'][$key]['#default_value'] = $session[$key];
+    }
+  }
+
+  $form['filters']['buttons']['submit'] = array(
+    '#type' => 'submit',
+    '#value' => t('Filter'),
+  );
+  if (!empty($session)) {
+    $form['filters']['buttons']['reset'] = array(
+      '#type' => 'submit',
+      '#value' => t('Reset')
+    );
+  }
+
+  return $form;
+}
+
+/**
+ * Validate result from dblog administration filter form.
+ */
+function dblog_filter_form_validate($form, &$form_state) {
+  if ($form_state['values']['op'] == t('Filter') && empty($form_state['values']['type']) && empty($form_state['values']['severity'])) {
+    form_set_error('type', t('You must select something to filter by.'));
+  }
+}
+
+/**
+ * Process result from dblog administration filter form.
+ */
+function dblog_filter_form_submit($form, &$form_state) {
+  $op = $form_state['values']['op'];
+  $filters = dblog_filters();
+  switch ($op) {
+    case t('Filter'):
+      foreach ($filters as $name => $filter) {
+        if (isset($form_state['values'][$name])) {
+          $_SESSION['dblog_overview_filter'][$name] = $form_state['values'][$name];
+        }
+      }
+      break;
+    case t('Reset'):
+      $_SESSION['dblog_overview_filter'] = array();
+      break;
+  }
+  return 'admin/reports/dblog';
+}