drupal/modules/dblog/dblog.admin.inc

374 lines
10 KiB
PHP

<?php
// $Id$
/**
* @file
* Administrative page callbacks for the dblog module.
*/
/**
* Implement hook_form_FORM_ID_alter().
*/
function dblog_form_system_logging_settings_alter(&$form, $form_state) {
$form['dblog_row_limit'] = array(
'#type' => 'select',
'#title' => t('Database log entries to keep'),
'#default_value' => variable_get('dblog_row_limit', 1000),
'#options' => drupal_map_assoc(array(100, 1000, 10000, 100000, 1000000)),
'#description' => t('The maximum number of entries to keep in the database log. Requires a <a href="@cron">cron maintenance task</a>.', array('@cron' => url('admin/reports/status')))
);
$form['buttons']['#weight'] = 1;
}
/**
* Menu callback; displays a listing of log messages.
*/
function dblog_overview() {
$filter = dblog_build_filter_query();
$rows = array();
$icons = array(
WATCHDOG_DEBUG => '',
WATCHDOG_INFO => '',
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')),
WATCHDOG_CRITICAL => theme('image', 'misc/watchdog-error.png', t('critical'), t('critical')),
WATCHDOG_ALERT => theme('image', 'misc/watchdog-error.png', t('alert'), t('alert')),
WATCHDOG_EMERG => theme('image', 'misc/watchdog-error.png', t('emergency'), t('emergency')),
);
$classes = array(
WATCHDOG_DEBUG => 'dblog-debug',
WATCHDOG_INFO => 'dblog-info',
WATCHDOG_NOTICE => 'dblog-notice',
WATCHDOG_WARNING => 'dblog-warning',
WATCHDOG_ERROR => 'dblog-error',
WATCHDOG_CRITICAL => 'dblog-critical',
WATCHDOG_ALERT => 'dblog-alert',
WATCHDOG_EMERG => 'dblog-emerg',
);
$build['dblog_filter_form'] = drupal_get_form('dblog_filter_form');
$build['dblog_clear_log_form'] = drupal_get_form('dblog_clear_log_form');
$header = array(
'', // Icon column.
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')),
);
$query = db_select('watchdog', 'w')->extend('PagerDefault')->extend('TableSort');
$query->join('users', 'u', 'w.uid = u.uid');
$query
->fields('w', array('wid', 'uid', 'severity', 'type', 'timestamp', 'message', 'variables', 'link'))
->addField('u', 'name');
if (!empty($filter['where'])) {
$query->where($filter['where'], $filter['args']);
}
$result = $query
->limit(50)
->orderByHeader($header)
->execute();
foreach ($result as $dblog) {
$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));
}
$build['dblog_table'] = array('#markup' => theme('table', $header, $rows, array('id' => 'admin-dblog')));
$build['dblog_pager'] = array('#markup' => theme('pager', NULL));
return $build;
}
/**
* Menu callback; generic function to display a page of the most frequent
* dblog events of a specified type.
*/
function dblog_top($type) {
$header = array(
array('data' => t('Count'), 'field' => 'count', 'sort' => 'desc'),
array('data' => t('Message'), 'field' => 'message')
);
$count_query = db_select('watchdog');
$count_query->addExpression('COUNT(DISTINCT(message))');
$count_query->condition('type', $type);
$query = db_select('watchdog', 'w')->extend('PagerDefault')->extend('TableSort');
$query->addExpression('COUNT(wid)', 'count');
$query = $query
->fields('w', array('message', 'variables'))
->condition('w.type', $type)
->groupBy('message')
->groupBy('variables')
->limit(30)
->orderByHeader($header);
$query->setCountQuery($count_query);
$result = $query->execute();
$rows = array();
foreach ($result as $dblog) {
$rows[] = array($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);
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 = :id', array(':id' => $id))->fetchObject();
if ($dblog = $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() {
$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['dblog_overview_filter'][$key])) {
$form['filters']['status'][$key]['#default_value'] = $_SESSION['dblog_overview_filter'][$key];
}
}
$form['filters']['buttons']['submit'] = array(
'#type' => 'submit',
'#value' => t('Filter'),
);
if (!empty($_SESSION['dblog_overview_filter'])) {
$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';
}
/**
* Return form for dblog clear button.
*
* @ingroup forms
* @see dblog_clear_log_submit()
*/
function dblog_clear_log_form() {
$form['dblog_clear'] = array(
'#type' => 'fieldset',
'#title' => t('Clear log messages'),
'#description' => t('This will permanently remove the log messages from the database.'),
'#collapsible' => TRUE,
'#collapsed' => TRUE,
);
$form['dblog_clear']['clear'] = array(
'#type' => 'submit',
'#value' => t('Clear log messages'),
'#submit' => array('dblog_clear_log_submit'),
);
return $form;
}
/**
* Submit callback: clear database with log messages.
*/
function dblog_clear_log_submit(&$form_state, $form) {
db_delete('watchdog')->execute();
drupal_set_message(t('Database log cleared.'));
}