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cron.php
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cron.php
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<?php
/* Copyright (c) Anuko International Ltd. https://www.anuko.com
License: See license.txt */
/*
* cron.php - this file is an entry point to execute scheduled jobs in Time Tracker.
* It must be called externally (for example, from the system cron or task scheduler).
*
* Internally, we store scheduled jobs in tt_cron table in db. The cron_spec field is in cron format.
* Along with it, we store last and next timestamps for jobs, we use them as an execute condition.
*
* Although cron_spec follows 5-field cron specification precisely, actual job timing depends on
* how often cron.php is called. For example, an hourly ping will execute jobs no more than once
* each hour, even if they are due more often. Configure whatever calls this file accordingly.
*/
require_once('initialize.php');
require_once(LIBRARY_DIR.'/tdcron/class.tdcron.php');
require_once(LIBRARY_DIR.'/tdcron/class.tdcron.entry.php');
import('ttFavReportHelper');
import('ttReportHelper');
$mdb2 = getConnection();
$now = time();
$sql = "select c.id, c.cron_spec, c.report_id, c.email, c.cc, c.subject, c.comment, c.report_condition from tt_cron c".
" inner join tt_fav_reports fr on".
" (c.report_id = fr.id and c.group_id = fr.group_id and c.org_id = fr.org_id)". // Report for a correct group.
" inner join tt_users u on (u.id = fr.user_id and u.status = 1)". // Report for an active user.
" where $now >= c.next and fr.status = 1". // Due now.
" and c.status = 1 and c.report_id is not null and c.email is not null";
$res = $mdb2->query($sql);
if (is_a($res, 'PEAR_Error'))
exit();
while ($val = $res->fetchRow()) {
// We have jobs to execute in user language.
// Get favorite report details.
$options = ttFavReportHelper::getReportOptions($val['report_id']);
if (!$options) continue; // Skip not found report.
// Recycle global $user object, as user settings are specific for each report.
$user = new ttUser(null, $options['user_id']);
if (!$user->id) continue; // Skip not found user.
// Avoid complications with impersonated users, possibly from subgroups.
// Note: this may happen when cron.php is called by a browser who already impersonates.
// This is not supposed to happen in automatic cron job.
if ($user->behalf_id)
continue; // Skip processing on behalf situations entirely.
// TODO: write a new function ttFavReportHelper::adjustOptions that will use
// a $user object recycled above. Put user handling below into it.
// Also adjust remaining options for potentially changed user access rights and group properties.
// For example, tracking mode may have changed, but fav report options are still old...
// This needs to be fixed.
$options = ttFavReportHelper::adjustOptions($options);
// Skip users with disabled Notifications plugin.
if (!$user->isPluginEnabled('no')) continue;
// Recycle $i18n object because language is user-specific.
$i18n->load($user->lang);
// Check condition on a report.
$condition_ok = true;
if ($val['report_condition'])
$condition_ok = ttReportHelper::checkFavReportCondition($options, $val['report_condition']);
// Email report if condition is okay.
if ($condition_ok) {
if (ttReportHelper::sendFavReport($options, $val['subject'], $val['comment'], $val['email'], $val['cc']))
echo "Report ".$val['report_id']. " sent.<br>";
else
echo "Error while emailing report...<br>";
}
// Calculate next execution time.
$next = tdCron::getNextOccurrence($val['cron_spec'], $now + 60); // +60 sec is here to get us correct $next when $now is close to existing "next".
// This is because the accuracy of tdcron class appears to be 1 minute.
// Update last and next values in tt_cron.
$sql = "update tt_cron set last = $now, next = $next where id = ".$val['id'];
$affected = $mdb2->exec($sql);
if (is_a($affected, 'PEAR_Error')) continue;
}
echo "Done!";