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<?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';
}
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