286 lines
9.4 KiB
PHP
286 lines
9.4 KiB
PHP
<?php
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$message = '';
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$data = array();
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//
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// INITIALIZE AND CHECK SANITY
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//
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if (!canView('Events'))
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$message = 'Insufficient permissions for user '.$user['Username'].'<br/>';
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if (empty($_REQUEST['task'])) {
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$message = 'Must specify a task<br/>';
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} else {
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$task = $_REQUEST['task'];
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}
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if (empty($_REQUEST['eids'])) {
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if (isset($_REQUEST['task']) && $_REQUEST['task'] != 'query')
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$message = 'No event id(s) supplied<br/>';
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} else {
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$eids = $_REQUEST['eids'];
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}
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if ($message) {
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ajaxError($message);
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return;
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}
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require_once('includes/Filter.php');
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$filter = isset($_REQUEST['filter']) ? ZM\Filter::parse($_REQUEST['filter']) : new ZM\Filter();
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if ($user['MonitorIds']) {
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$filter = $filter->addTerm(array('cnj'=>'and', 'attr'=>'MonitorId', 'op'=>'IN', 'val'=>$user['MonitorIds']));
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}
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// Search contains a user entered string to search on
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$search = isset($_REQUEST['search']) ? $_REQUEST['search'] : '';
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// Advanced search contains an array of "column name" => "search text" pairs
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// Bootstrap table sends json_ecoded array, which we must decode
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$advsearch = isset($_REQUEST['advsearch']) ? json_decode($_REQUEST['advsearch'], JSON_OBJECT_AS_ARRAY) : array();
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// Order specifies the sort direction, either asc or desc
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$order = $filter->sort_asc() ? 'ASC' : 'DESC';
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if (isset($_REQUEST['order'])) {
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if (strtolower($_REQUEST['order']) == 'asc') {
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$order = 'ASC';
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} else if (strtolower($_REQUEST['order']) == 'desc') {
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$order = 'DESC';
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} else {
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Warning("Invalid value for order " . $_REQUEST['order']);
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}
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}
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// Sort specifies the name of the column to sort on
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$sort = $filter->sort_field();
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if (isset($_REQUEST['sort'])) {
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$sort = $_REQUEST['sort'];
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if ($sort == 'EndDateTime') {
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if ($order == 'ASC') {
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$sort = 'EndDateTime IS NULL, EndDateTime';
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} else {
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$sort = 'EndDateTime IS NOT NULL, EndDateTime';
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}
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}
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}
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// Offset specifies the starting row to return, used for pagination
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$offset = 0;
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if ( isset($_REQUEST['offset']) ) {
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if ( ( !is_int($_REQUEST['offset']) and !ctype_digit($_REQUEST['offset']) ) ) {
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ZM\Error('Invalid value for offset: ' . $_REQUEST['offset']);
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} else {
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$offset = $_REQUEST['offset'];
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}
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}
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// Limit specifies the number of rows to return
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// Set the default to 0 for events view, to prevent an issue with ALL pagination
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$limit = 0;
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if ( isset($_REQUEST['limit']) ) {
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if ( ( !is_int($_REQUEST['limit']) and !ctype_digit($_REQUEST['limit']) ) ) {
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ZM\Error('Invalid value for limit: ' . $_REQUEST['limit']);
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} else {
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$limit = $_REQUEST['limit'];
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}
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}
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//
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// MAIN LOOP
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//
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switch ( $task ) {
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case 'archive' :
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foreach ( $eids as $eid ) archiveRequest($task, $eid);
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break;
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case 'unarchive' :
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# The idea is that anyone can archive, but only people with Event Edit permission can unarchive..
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if ( !canEdit('Events') ) {
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ajaxError('Insufficient permissions for user '.$user['Username']);
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return;
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}
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foreach ( $eids as $eid ) archiveRequest($task, $eid);
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break;
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case 'delete' :
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if ( !canEdit('Events') ) {
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ajaxError('Insufficient permissions for user '.$user['Username']);
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return;
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}
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foreach ( $eids as $eid ) $data[] = deleteRequest($eid);
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break;
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case 'query' :
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$data = queryRequest($filter, $search, $advsearch, $sort, $offset, $order, $limit);
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break;
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default :
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ZM\Fatal("Unrecognised task '$task'");
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} // end switch task
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ajaxResponse($data);
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//
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// FUNCTION DEFINITIONS
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//
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function archiveRequest($task, $eid) {
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$archiveVal = ($task == 'archive') ? 1 : 0;
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dbQuery(
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'UPDATE Events SET Archived = ? WHERE Id = ?',
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array($archiveVal, $eid)
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);
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}
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function deleteRequest($eid) {
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$message = array();
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$event = new ZM\Event($eid);
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if ( !$event->Id() ) {
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$message[] = array($eid=>'Event not found.');
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} else if ( $event->Archived() ) {
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$message[] = array($eid=>'Event is archived, cannot delete it.');
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} else {
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$event->delete();
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}
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return $message;
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}
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function queryRequest($filter, $search, $advsearch, $sort, $offset, $order, $limit) {
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$data = array(
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'total' => 0,
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'totalNotFiltered' => 0,
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'rows' => array(),
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'updated' => preg_match('/%/', DATE_FMT_CONSOLE_LONG) ? strftime(DATE_FMT_CONSOLE_LONG) : date(DATE_FMT_CONSOLE_LONG)
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);
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$failed = !$filter->test_pre_sql_conditions();
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if ( $failed ) {
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ZM\Debug('Pre conditions failed, not doing sql');
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return $data;
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}
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// Put server pagination code here
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// The table we want our data from
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$table = 'Events';
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// The names of the dB columns in the events table we are interested in
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$columns = array('Id', 'MonitorId', 'StorageId', 'Name', 'Cause', 'StartDateTime', 'EndDateTime', 'Length', 'Frames', 'AlarmFrames', 'TotScore', 'AvgScore', 'MaxScore', 'Archived', 'Emailed', 'Notes', 'DiskSpace');
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// The names of columns shown in the event view that are NOT dB columns in the database
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$col_alt = array('Monitor', 'Storage');
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if ( !in_array($sort, array_merge($columns, $col_alt)) ) {
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ZM\Error('Invalid sort field: ' . $sort);
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$sort = 'Id';
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}
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$values = array();
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$likes = array();
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$where = $filter->sql()?' WHERE ('.$filter->sql().')' : '';
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$sort = $sort == 'Monitor' ? 'M.Name' : 'E.'.$sort;
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$col_str = 'E.*, M.Name AS Monitor';
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$sql = 'SELECT ' .$col_str. ' FROM `Events` AS E INNER JOIN Monitors AS M ON E.MonitorId = M.Id'.$where.' ORDER BY '.$sort.' '.$order;
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$storage_areas = ZM\Storage::find();
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$StorageById = array();
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foreach ( $storage_areas as $S ) {
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$StorageById[$S->Id()] = $S;
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}
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$unfiltered_rows = array();
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$event_ids = array();
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ZM\Debug('Calling the following sql query: ' .$sql);
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$query = dbQuery($sql, $values);
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if ( $query ) {
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while ( $row = dbFetchNext($query) ) {
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$event = new ZM\Event($row);
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$event->remove_from_cache();
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if ( !$filter->test_post_sql_conditions($event) ) {
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continue;
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}
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$event_ids[] = $event->Id();
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$unfiltered_rows[] = $row;
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} # end foreach row
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}
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ZM\Debug('Have ' . count($unfiltered_rows) . ' events matching base filter.');
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$filtered_rows = null;
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if ( count($advsearch) or $search != '' ) {
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$search_filter = new ZM\Filter();
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$search_filter = $search_filter->addTerm(array('cnj'=>'and', 'attr'=>'Id', 'op'=>'IN', 'val'=>$event_ids));
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// There are two search bars in the log view, normal and advanced
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// Making an exuctive decision to ignore the normal search, when advanced search is in use
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// Alternatively we could try to do both
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if ( count($advsearch) ) {
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$terms = array();
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foreach ( $advsearch as $col=>$text ) {
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$terms[] = array('cnj'=>'and', 'attr'=>$col, 'op'=>'LIKE', 'val'=>$text);
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} # end foreach col in advsearch
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$terms[0]['obr'] = 1;
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$terms[count($terms)-1]['cbr'] = 1;
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$search_filter->addTerms($terms);
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} else if ( $search != '' ) {
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$search = '%' .$search. '%';
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$terms = array();
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foreach ( $columns as $col ) {
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$terms[] = array('cnj'=>'or', 'attr'=>$col, 'op'=>'LIKE', 'val'=>$search);
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}
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$terms[0]['obr'] = 1;
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$terms[0]['cnj'] = 'and';
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$terms[count($terms)-1]['cbr'] = 1;
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$search_filter = $search_filter->addTerms($terms, array('obr'=>1, 'cbr'=>1, 'op'=>'OR'));
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} # end if search
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$sql = 'SELECT ' .$col_str. ' FROM `Events` AS E INNER JOIN Monitors AS M ON E.MonitorId = M.Id WHERE '.$search_filter->sql().' ORDER BY ' .$sort. ' ' .$order;
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ZM\Debug('Calling the following sql query: ' .$sql);
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$filtered_rows = dbFetchAll($sql);
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ZM\Debug('Have ' . count($filtered_rows) . ' events matching search filter.');
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} else {
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$filtered_rows = $unfiltered_rows;
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} # end if search_filter->terms() > 1
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$returned_rows = array();
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foreach ( array_slice($filtered_rows, $offset, $limit) as $row ) {
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$event = new ZM\Event($row);
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$scale = intval(5*100*ZM_WEB_LIST_THUMB_WIDTH / $event->Width());
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$imgSrc = $event->getThumbnailSrc(array(), '&');
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$streamSrc = $event->getStreamSrc(array(
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'mode'=>'jpeg', 'scale'=>$scale, 'maxfps'=>ZM_WEB_VIDEO_MAXFPS, 'replay'=>'single', 'rate'=>'400'), '&');
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// Modify the row data as needed
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$row['imgHtml'] = '<img id="thumbnail' .$event->Id(). '" src="' .$imgSrc. '" alt="Event '.$event->Id().'" width="' .validInt($event->ThumbnailWidth()). '" height="' .validInt($event->ThumbnailHeight()).'" stream_src="' .$streamSrc. '" still_src="' .$imgSrc. '"/>';
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$row['Name'] = validHtmlStr($row['Name']);
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$row['Archived'] = $row['Archived'] ? translate('Yes') : translate('No');
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$row['Emailed'] = $row['Emailed'] ? translate('Yes') : translate('No');
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$row['Cause'] = validHtmlStr($row['Cause']);
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$row['StartDateTime'] = strftime(STRF_FMT_DATETIME_SHORTER, strtotime($row['StartDateTime']));
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$row['EndDateTime'] = $row['EndDateTime'] ? strftime(STRF_FMT_DATETIME_SHORTER, strtotime($row['EndDateTime'])) : null;
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$row['Length'] = gmdate('H:i:s', $row['Length'] );
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$row['Storage'] = ( $row['StorageId'] and isset($StorageById[$row['StorageId']]) ) ? $StorageById[$row['StorageId']]->Name() : 'Default';
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$row['Notes'] = nl2br(htmlspecialchars($row['Notes']));
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$row['DiskSpace'] = human_filesize($event->DiskSpace());
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$returned_rows[] = $row;
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} # end foreach row matching search
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$data['rows'] = $returned_rows;
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# totalNotFiltered must equal total, except when either search bar has been used
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$data['totalNotFiltered'] = count($unfiltered_rows);
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if ( $search != '' || count($advsearch) ) {
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$data['total'] = count($filtered_rows);
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} else {
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$data['total'] = $data['totalNotFiltered'];
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}
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return $data;
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}
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?>
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