264 lines
8.0 KiB
PHP
264 lines
8.0 KiB
PHP
<?php
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function admin_import_title() {
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return _("Frab import");
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}
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function admin_import() {
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global $rooms_import;
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global $user;
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$html = "";
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$step = "input";
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if (isset($_REQUEST['step']))
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$step = $_REQUEST['step'];
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$html .= '<p>';
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$html .= $step == "input" ? '<b>1. Input</b>' : '1. Input';
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$html .= ' » ';
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$html .= $step == "check" ? '<b>2. Validate</b>' : '2. Validate';
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$html .= ' » ';
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$html .= $step == "import" ? '<b>3. Import</b>' : '3. Import';
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$html .= '</p>';
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$import_file = '../import/import_' . $user['UID'] . '.xml';
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switch ($step) {
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case "input":
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$ok = false;
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if ($test_handle = fopen('../import/tmp', 'w')) {
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fclose($test_handle);
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unlink('../import/tmp');
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} else {
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error("Webserver has no write-permission on import directory.");
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}
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if (isset($_REQUEST['submit'])) {
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$ok = true;
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if (isset($_FILES['xcal_file']) && ($_FILES['xcal_file']['error'] == 0)) {
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if (move_uploaded_file($_FILES['xcal_file']['tmp_name'], $import_file)) {
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libxml_use_internal_errors(true);
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if (simplexml_load_file($import_file) === false) {
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$ok = false;
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error("No valid xml/xcal file provided.");
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unlink($import_file);
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}
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} else {
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$ok = false;
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error("File upload went wrong.");
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}
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} else {
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$ok = false;
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error("Please provide some data.");
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}
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}
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if ($ok)
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redirect(page_link_to('admin_import') . "&step=check");
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else {
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$html .= form(array(
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form_info('', _("This import will create/update/delete rooms and shifts by given FRAB-export file. The needed file format is xcal.")),
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form_file('xcal_file', _("xcal-File (.xcal)")),
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form_submit('submit', _("Import"))
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));
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}
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break;
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case "check":
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if (! file_exists($import_file))
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redirect(page_link_to('admin_import'));
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list($rooms_new, $rooms_deleted) = prepare_rooms($import_file);
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list($events_new, $events_updated, $events_deleted) = prepare_events($import_file);
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$html .= form(array(
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'<h3>' . _("Rooms to create") . '</h3>',
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table(_("Name"), $rooms_new),
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'<h3>' . _("Rooms to delete") . '</h3>',
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table(_("Name"), $rooms_deleted),
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'<h3>' . _("Shifts to create") . '</h3>',
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table(array(
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'day' => _("Day"),
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'start' => _("Start"),
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'end' => _("End"),
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'name' => _("Name"),
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'room' => _("Room")
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), shifts_printable($events_new)),
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'<h3>' . _("Shifts to update") . '</h3>',
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table(array(
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'day' => _("Day"),
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'start' => _("Start"),
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'end' => _("End"),
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'name' => _("Name"),
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'room' => _("Room")
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), shifts_printable($events_updated)),
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'<h3>' . _("Shifts to delete") . '</h3>',
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table(array(
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'day' => _("Day"),
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'start' => _("Start"),
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'end' => _("End"),
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'name' => _("Name"),
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'room' => _("Room")
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), shifts_printable($events_deleted)),
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form_submit('submit', _("Import"))
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), page_link_to('admin_import') . '&step=import');
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break;
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case "import":
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if (! file_exists($import_file))
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redirect(page_link_to('admin_import'));
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list($rooms_new, $rooms_deleted) = prepare_rooms($import_file);
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foreach ($rooms_new as $room) {
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sql_query("INSERT INTO `Room` SET `Name`='" . sql_escape($room) . "', `FromPentabarf`='Y', `Show`='Y'");
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$rooms_import[trim($room)] = sql_id();
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}
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foreach ($rooms_deleted as $room)
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sql_query("DELETE FROM `Room` WHERE `Name`='" . sql_escape($room) . "' LIMIT 1");
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list($events_new, $events_updated, $events_deleted) = prepare_events($import_file);
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foreach ($events_new as $event) {
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$result = Shift_create($event);
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if ($result === false)
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engelsystem_error('Unable to create shift.');
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}
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foreach ($events_updated as $event) {
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$result = Shift_update_by_psid($event);
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if ($result === false)
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engelsystem_error('Unable to update shift.');
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}
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foreach ($events_deleted as $event) {
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$result = Shift_delete_by_psid($event['PSID']);
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if ($result === false)
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engelsystem_error('Unable to delete shift.');
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}
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engelsystem_log("Pentabarf import done");
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unlink($import_file);
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$html .= success(_("It's done!"), true);
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break;
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default:
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redirect(page_link_to('admin_import'));
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}
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return $html;
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}
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function prepare_rooms($file) {
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global $rooms_import;
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$data = read_xml($file);
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// Load rooms from db for compare with input
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$rooms = sql_select("SELECT * FROM `Room` WHERE `FromPentabarf`='Y'");
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$rooms_db = array();
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$rooms_import = array();
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foreach ($rooms as $room) {
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$rooms_db[] = (string) $room['Name'];
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$rooms_import[$room['Name']] = $room['RID'];
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}
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$events = $data->vcalendar->vevent;
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$rooms_pb = array();
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foreach ($events as $event) {
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$rooms_pb[] = (string) $event->location;
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if (! isset($rooms_import[trim($event->location)]))
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$rooms_import[trim($event->location)] = trim($event->location);
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}
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$rooms_pb = array_unique($rooms_pb);
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$rooms_new = array_diff($rooms_pb, $rooms_db);
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$rooms_deleted = array_diff($rooms_db, $rooms_pb);
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return array(
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$rooms_new,
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$rooms_deleted
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);
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}
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function prepare_events($file) {
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global $rooms_import;
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$data = read_xml($file);
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$rooms = sql_select("SELECT * FROM `Room`");
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$rooms_db = array();
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foreach ($rooms as $room)
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$rooms_db[$room['Name']] = $room['RID'];
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$events = $data->vcalendar->vevent;
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$shifts_pb = array();
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foreach ($events as $event) {
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$event_pb = $event->children("http://pentabarf.org");
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$event_id = trim($event_pb->{
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'event-id' });
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$shifts_pb[$event_id] = array(
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'start' => DateTime::createFromFormat("Ymd\THis", $event->dtstart)->getTimestamp(),
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'end' => DateTime::createFromFormat("Ymd\THis", $event->dtend)->getTimestamp(),
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'RID' => $rooms_import[trim($event->location)],
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'name' => trim($event->summary),
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'URL' => trim($event->url),
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'PSID' => $event_id
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);
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}
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$shifts = sql_select("SELECT * FROM `Shifts` WHERE `PSID` IS NOT NULL ORDER BY `start`");
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$shifts_db = array();
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foreach ($shifts as $shift)
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$shifts_db[$shift['PSID']] = $shift;
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$shifts_new = array();
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$shifts_updated = array();
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foreach ($shifts_pb as $shift)
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if (! isset($shifts_db[$shift['PSID']]))
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$shifts_new[] = $shift;
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else {
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$tmp = $shifts_db[$shift['PSID']];
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if ($shift['name'] != $tmp['name'] || $shift['start'] != $tmp['start'] || $shift['end'] != $tmp['end'] || $shift['RID'] != $tmp['RID'] || $shift['URL'] != $tmp['URL'])
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$shifts_updated[] = $shift;
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}
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$shifts_deleted = array();
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foreach ($shifts_db as $shift)
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if (! isset($shifts_pb[$shift['PSID']]))
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$shifts_deleted[] = $shift;
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return array(
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$shifts_new,
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$shifts_updated,
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$shifts_deleted
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);
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}
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function read_xml($file) {
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global $xml_import;
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if (! isset($xml_import))
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$xml_import = simplexml_load_file($file);
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return $xml_import;
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}
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function shifts_printable($shifts) {
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global $rooms_import;
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$rooms = array_flip($rooms_import);
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uasort($shifts, 'shift_sort');
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$shifts_printable = array();
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foreach ($shifts as $shift)
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$shifts_printable[] = array(
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'day' => date("l, Y-m-d", $shift['start']),
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'start' => date("H:i", $shift['start']),
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'name' => shorten($shift['name']),
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'end' => date("H:i", $shift['end']),
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'room' => $rooms[$shift['RID']]
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);
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return $shifts_printable;
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}
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function shift_sort($a, $b) {
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return ($a['start'] < $b['start']) ? - 1 : 1;
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}
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?>
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