/**
* Send scheduled alerts
*
* @return void
*/
public function send()
{
global $configArray;
global $interface;
global $translator;
$iso8601 = 'Y-m-d\\TH:i:s\\Z';
ini_set('display_errors', true);
$configArray = $mainConfig = readConfig();
$datasourceConfig = getExtraConfigArray('datasources');
$siteLocal = $configArray['Site']['local'];
// Set up time zone. N.B. Don't use msg() or other functions requiring date before this.
date_default_timezone_set($configArray['Site']['timezone']);
$this->msg('Sending scheduled alerts');
// Setup Local Database Connection
ConnectionManager::connectToDatabase();
// Initialize Mailer
$mailer = new VuFindMailer();
// Find all scheduled alerts
$sql = 'SELECT * FROM "search" WHERE "schedule" > 0 ORDER BY user_id';
$s = new SearchEntry();
$s->query($sql);
$this->msg('Processing ' . $s->N . ' searches');
$user = false;
$interface = false;
$institution = false;
$todayTime = new DateTime();
while ($s->fetch()) {
$lastTime = new DateTime($s->last_executed);
if ($s->schedule == 1) {
// Daily
if ($todayTime->format('Y-m-d') == $lastTime->format('Y-m-d')) {
$this->msg('Bypassing search ' . $s->id . ': previous execution too recent (daily, ' . $lastTime->format($iso8601) . ')');
continue;
}
} elseif ($s->schedule == 2) {
// Weekly
$diff = $todayTime->diff($lastTime);
if ($diff->days < 6) {
$this->msg('Bypassing search ' . $s->id . ': previous execution too recent (weekly, ' . $lastTime->format($iso8601) . ')');
continue;
}
} else {
$this->msg('Search ' . $s->id . ': unknown schedule: ' . $s->schedule);
continue;
}
if ($user === false || $s->user_id != $user->id) {
$user = User::staticGet($s->user_id);
}
if (!$user->email || trim($user->email) == '') {
$this->msg('User ' . $user->username . ' does not have an email address, bypassing alert ' . $s->id);
continue;
}
$userInstitution = reset(explode(':', $user->username, 2));
if (!$institution || $institution != $userInstitution) {
$institution = $userInstitution;
if (!isset($datasourceConfig[$institution])) {
foreach ($datasourceConfig as $code => $values) {
if (isset($values['institution']) && strcasecmp($values['institution'], $institution) == 0) {
$institution = $code;
break;
}
}
}
if (!($configArray = $this->readInstitutionConfig($institution))) {
continue;
}
$configArray['Site']['url'] = $s->schedule_base_url;
// Start Interface
$interface = new UInterface($siteLocal);
$validLanguages = array_keys($configArray['Languages']);
$dateFormat = new VuFindDate();
}
$language = $user->language;
if (!in_array($user->language, $validLanguages)) {
$language = $configArray['Site']['language'];
}
$translator = new I18N_Translator(array($configArray['Site']['local'] . '/lang', $configArray['Site']['local'] . '/lang_local'), $language, $configArray['System']['debug']);
$interface->setLanguage($language);
$minSO = unserialize($s->search_object);
// Check minified search object type
$searchObject = SearchObjectFactory::deminify($minSO);
if (!$searchObject instanceof SearchObject_Solr) {
$this->msg('Search ' . $s->id . ': search object type not supported');
continue;
}
// Create a new search object to avoid cached defaults for e.g.
// hidden filters.
$searchObject = SearchObjectFactory::initSearchObject();
$searchObject->deminify($minSO);
$searchObject->setSort('first_indexed desc');
$searchTime = time();
$searchDate = gmdate($iso8601, time());
$searchObject->setLimit(50);
$searchObject->disableLogging();
$results = $searchObject->processSearch();
if (PEAR::isError($results)) {
$this->msg('Search ' . $s->id . ' failed: ' . $results->getMessage());
continue;
}
if ($searchObject->getResultTotal() < 1) {
$this->msg('No results found for search ' . $s->id);
continue;
}
$newestRecordDate = date($iso8601, strtotime($results['response']['docs'][0]['first_indexed']));
$lastExecutionDate = $lastTime->format($iso8601);
if ($newestRecordDate < $lastExecutionDate) {
$this->msg('No new results for search ' . $s->id . ": {$newestRecordDate} < {$lastExecutionDate}");
} else {
$this->msg('New results for search ' . $s->id . ": {$newestRecordDate} >= {$lastExecutionDate}");
$interface->assign('summary', $searchObject->getResultSummary());
$interface->assign('searchDate', $dateFormat->convertToDisplayDate("U", floor($searchTime)));
$interface->assign('lastSearchDate', $dateFormat->convertToDisplayDate("U", floor($lastTime->getTimestamp())));
$records = array();
foreach ($results['response']['docs'] as &$doc) {
$docDate = date($iso8601, strtotime($doc['first_indexed']));
if ($docDate < $lastExecutionDate) {
break;
}
$record = RecordDriverFactory::initRecordDriver($doc);
$records[] = $interface->fetch($record->getSearchResult('email'));
}
$interface->assign('recordSet', $records);
$key = $this->getSecret($user, $s->id);
$params = array('id' => $s->id, 'type' => 'alert', 'key' => $key);
$unsubscribeUrl = $configArray['Site']['url'] . '/MyResearch/Unsubscribe?' . http_build_query($params);
$interface->assign('info', array('time' => $dateFormat->convertToDisplayDate("U", floor($searchObject->getStartTime())), 'url' => $searchObject->renderSearchUrl(), 'searchId' => $searchObject->getSearchId(), 'description' => $searchObject->displayQuery(), 'filters' => $searchObject->getFilterList(), 'hits' => $searchObject->getResultTotal(), 'speed' => round($searchObject->getQuerySpeed(), 2) . "s", 'schedule' => $s->schedule, 'last_executed' => $s->last_executed, 'recordCount' => count($records), 'unsubscribeUrl' => $unsubscribeUrl));
$searchObject->close();
// Load template
$message = $interface->fetch('MyResearch/alert-email.tpl');
if (strstr($message, 'Warning: Smarty error:')) {
$this->msg("Message template processing failed: {$message}");
continue;
}
$result = $mailer->send($user->email, $configArray['Site']['email'], translate('Scheduled Alert Results'), $message);
if (PEAR::isError($result)) {
$this->msg("Failed to send message to {$user->email}: " . $result->getMessage());
continue;
}
}
// Update search date
$s->changeLastExecuted($searchDate);
}
$this->reportErrors();
$this->msg('Scheduled alerts execution completed');
}
