zoneminder/web/ajax/events.php

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