engelsystem/includes/pages/admin_import.php

465 lines
16 KiB
PHP

<?php
use Engelsystem\Database\DB;
/**
* @return string
*/
function admin_import_title()
{
return _('Frab import');
}
/**
* @return string
*/
function admin_import()
{
global $rooms_import, $user;
$html = '';
$import_dir = __DIR__ . '/../../import';
$request = request();
$step = 'input';
if (
$request->has('step')
&& in_array($request->input('step'), [
'input',
'check',
'import'
])
) {
$step = $request->input('step');
}
try {
$test_handle = @fopen($import_dir . '/tmp', 'w');
fclose($test_handle);
@unlink($import_dir . '/tmp');
} catch(Exception $e) {
error(_('Webserver has no write-permission on import directory.'));
}
$import_file = $import_dir . '/import_' . $user['UID'] . '.xml';
$shifttype_id = null;
$add_minutes_start = 15;
$add_minutes_end = 15;
$shifttypes_source = ShiftTypes();
$shifttypes = [];
foreach ($shifttypes_source as $shifttype) {
$shifttypes[$shifttype['id']] = $shifttype['name'];
}
switch ($step) {
case 'input':
$valid = false;
if ($request->has('submit')) {
$valid = true;
if ($request->has('shifttype_id') && isset($shifttypes[$request->input('shifttype_id')])) {
$shifttype_id = $request->input('shifttype_id');
} else {
$valid = false;
error(_('Please select a shift type.'));
}
if ($request->has('add_minutes_start') && is_numeric(trim($request->input('add_minutes_start')))) {
$add_minutes_start = trim($request->input('add_minutes_start'));
} else {
$valid = false;
error(_('Please enter an amount of minutes to add to a talk\'s begin.'));
}
if ($request->has('add_minutes_end') && is_numeric(trim($request->input('add_minutes_end')))) {
$add_minutes_end = trim($request->input('add_minutes_end'));
} else {
$valid = false;
error(_('Please enter an amount of minutes to add to a talk\'s end.'));
}
if (isset($_FILES['xcal_file']) && ($_FILES['xcal_file']['error'] == 0)) {
if (move_uploaded_file($_FILES['xcal_file']['tmp_name'], $import_file)) {
libxml_use_internal_errors(true);
if (simplexml_load_file($import_file) === false) {
$valid = false;
error(_('No valid xml/xcal file provided.'));
unlink($import_file);
}
} else {
$valid = false;
error(_('File upload went wrong.'));
}
} else {
$valid = false;
error(_('Please provide some data.'));
}
}
if ($valid) {
redirect(
page_link_to('admin_import', [
'step' => 'check',
'shifttype_id' => $shifttype_id,
'add_minutes_end' => $add_minutes_end,
'add_minutes_start' => $add_minutes_start,
])
);
} else {
$html .= div('well well-sm text-center', [
_('File Upload') . mute(glyph('arrow-right')) . mute(_('Validation')) . mute(glyph('arrow-right')) . mute(_('Import'))
]) . div('row', [
div('col-md-offset-3 col-md-6', [
form([
form_info(
'',
_('This import will create/update/delete rooms and shifts by given FRAB-export file. The needed file format is xcal.')
),
form_select('shifttype_id', _('Shifttype'), $shifttypes, $shifttype_id),
form_spinner('add_minutes_start', _('Add minutes to start'), $add_minutes_start),
form_spinner('add_minutes_end', _('Add minutes to end'), $add_minutes_end),
form_file('xcal_file', _('xcal-File (.xcal)')),
form_submit('submit', _('Import'))
])
])
]);
}
break;
case 'check':
if (!file_exists($import_file)) {
error(_('Missing import file.'));
redirect(page_link_to('admin_import'));
}
if ($request->has('shifttype_id') && isset($shifttypes[$request->input('shifttype_id')])) {
$shifttype_id = $request->input('shifttype_id');
} else {
error(_('Please select a shift type.'));
redirect(page_link_to('admin_import'));
}
if ($request->has('add_minutes_start') && is_numeric(trim($request->input('add_minutes_start')))) {
$add_minutes_start = trim($request->input('add_minutes_start'));
} else {
error(_('Please enter an amount of minutes to add to a talk\'s begin.'));
redirect(page_link_to('admin_import'));
}
if ($request->has('add_minutes_end') && is_numeric(trim($request->input(('add_minutes_end'))))) {
$add_minutes_end = trim($request->input('add_minutes_end'));
} else {
error(_('Please enter an amount of minutes to add to a talk\'s end.'));
redirect(page_link_to('admin_import'));
}
list($rooms_new, $rooms_deleted) = prepare_rooms($import_file);
list($events_new, $events_updated, $events_deleted) = prepare_events(
$import_file,
$shifttype_id,
$add_minutes_start,
$add_minutes_end
);
$html .= div(
'well well-sm text-center',
[
'<span class="text-success">' . _('File Upload') . glyph('ok-circle') . '</span>'
. mute(glyph('arrow-right')) . _('Validation') . mute(glyph('arrow-right')) . mute(_('Import'))
]
)
. form(
[
div('row', [
div('col-sm-6', [
'<h3>' . _('Rooms to create') . '</h3>',
table(_('Name'), $rooms_new)
]),
div('col-sm-6', [
'<h3>' . _('Rooms to delete') . '</h3>',
table(_('Name'), $rooms_deleted)
])
]),
'<h3>' . _('Shifts to create') . '</h3>',
table([
'day' => _('Day'),
'start' => _('Start'),
'end' => _('End'),
'shifttype' => _('Shift type'),
'title' => _('Title'),
'room' => _('Room')
], shifts_printable($events_new, $shifttypes)),
'<h3>' . _('Shifts to update') . '</h3>',
table([
'day' => _('Day'),
'start' => _('Start'),
'end' => _('End'),
'shifttype' => _('Shift type'),
'title' => _('Title'),
'room' => _('Room')
], shifts_printable($events_updated, $shifttypes)),
'<h3>' . _('Shifts to delete') . '</h3>',
table([
'day' => _('Day'),
'start' => _('Start'),
'end' => _('End'),
'shifttype' => _('Shift type'),
'title' => _('Title'),
'room' => _('Room')
], shifts_printable($events_deleted, $shifttypes)),
form_submit('submit', _('Import'))
],
page_link_to('admin_import', [
'step' => 'import',
'shifttype_id' => $shifttype_id,
'add_minutes_end' => $add_minutes_end,
'add_minutes_start' => $add_minutes_start,
])
);
break;
case 'import':
if (!file_exists($import_file)) {
error(_('Missing import file.'));
redirect(page_link_to('admin_import'));
}
if (!file_exists($import_file)) {
redirect(page_link_to('admin_import'));
}
if ($request->has('shifttype_id') && isset($shifttypes[$request->input('shifttype_id')])) {
$shifttype_id = $request->input('shifttype_id');
} else {
error(_('Please select a shift type.'));
redirect(page_link_to('admin_import'));
}
if ($request->has('add_minutes_start') && is_numeric(trim($request->input('add_minutes_start')))) {
$add_minutes_start = trim($request->input('add_minutes_start'));
} else {
error(_('Please enter an amount of minutes to add to a talk\'s begin.'));
redirect(page_link_to('admin_import'));
}
if ($request->has('add_minutes_end') && is_numeric(trim($request->input('add_minutes_end')))) {
$add_minutes_end = trim($request->input('add_minutes_end'));
} else {
error(_('Please enter an amount of minutes to add to a talk\'s end.'));
redirect(page_link_to('admin_import'));
}
list($rooms_new, $rooms_deleted) = prepare_rooms($import_file);
foreach ($rooms_new as $room) {
$result = Room_create($room, true, null, null);
$rooms_import[trim($room)] = $result;
}
foreach ($rooms_deleted as $room) {
DB::delete('DELETE FROM `Room` WHERE `Name`=? LIMIT 1', [$room]);
}
list($events_new, $events_updated, $events_deleted) = prepare_events(
$import_file,
$shifttype_id,
$add_minutes_start,
$add_minutes_end
);
foreach ($events_new as $event) {
Shift_create($event);
}
foreach ($events_updated as $event) {
Shift_update_by_psid($event);
}
foreach ($events_deleted as $event) {
Shift_delete_by_psid($event['PSID']);
}
engelsystem_log('Frab import done');
unlink($import_file);
$html .= div('well well-sm text-center', [
'<span class="text-success">' . _('File Upload') . glyph('ok-circle') . '</span>'
. mute(glyph('arrow-right'))
. '<span class="text-success">' . _('Validation') . glyph('ok-circle') . '</span>'
. mute(glyph('arrow-right'))
. '<span class="text-success">' . _('Import') . glyph('ok-circle') . '</span>'
]) . success(_('It\'s done!'), true);
break;
default:
redirect(page_link_to('admin_import'));
}
return page_with_title(admin_import_title(), [
msg(),
$html
]);
}
/**
* @param string $file
* @return array
*/
function prepare_rooms($file)
{
global $rooms_import;
$data = read_xml($file);
// Load rooms from db for compare with input
$rooms = DB::select('SELECT `Name`, `RID` FROM `Room` WHERE `from_frab`=TRUE');
$rooms_db = [];
$rooms_import = [];
foreach ($rooms as $room) {
$rooms_db[] = $room['Name'];
$rooms_import[$room['Name']] = $room['RID'];
}
$events = $data->vcalendar->vevent;
$rooms_pb = [];
foreach ($events as $event) {
$rooms_pb[] = (string)$event->location;
if (!isset($rooms_import[trim($event->location)])) {
$rooms_import[trim($event->location)] = trim($event->location);
}
}
$rooms_pb = array_unique($rooms_pb);
$rooms_new = array_diff($rooms_pb, $rooms_db);
$rooms_deleted = array_diff($rooms_db, $rooms_pb);
return [
$rooms_new,
$rooms_deleted
];
}
/**
* @param string $file
* @param int $shifttype_id
* @param int $add_minutes_start
* @param int $add_minutes_end
* @return array
*/
function prepare_events($file, $shifttype_id, $add_minutes_start, $add_minutes_end)
{
global $rooms_import;
$data = read_xml($file);
$rooms = Rooms();
$rooms_db = [];
foreach ($rooms as $room) {
$rooms_db[$room['Name']] = $room['RID'];
}
$events = $data->vcalendar->vevent;
$shifts_pb = [];
foreach ($events as $event) {
$event_pb = $event->children('http://pentabarf.org');
$event_id = trim($event_pb->{'event-id'});
$shifts_pb[$event_id] = [
'shifttype_id' => $shifttype_id,
'start' => parse_date("Ymd\THis", $event->dtstart) - $add_minutes_start * 60,
'end' => parse_date("Ymd\THis", $event->dtend) + $add_minutes_end * 60,
'RID' => $rooms_import[trim($event->location)],
'title' => trim($event->summary),
'URL' => trim($event->url),
'PSID' => $event_id
];
}
$shifts = DB::select('SELECT * FROM `Shifts` WHERE `PSID` IS NOT NULL ORDER BY `start`');
$shifts_db = [];
foreach ($shifts as $shift) {
$shifts_db[$shift['PSID']] = $shift;
}
$shifts_new = [];
$shifts_updated = [];
foreach ($shifts_pb as $shift) {
if (!isset($shifts_db[$shift['PSID']])) {
$shifts_new[] = $shift;
} else {
$tmp = $shifts_db[$shift['PSID']];
if (
$shift['shifttype_id'] != $tmp['shifttype_id']
|| $shift['title'] != $tmp['title']
|| $shift['start'] != $tmp['start']
|| $shift['end'] != $tmp['end']
|| $shift['RID'] != $tmp['RID']
|| $shift['URL'] != $tmp['URL']
) {
$shifts_updated[] = $shift;
}
}
}
$shifts_deleted = [];
foreach ($shifts_db as $shift) {
if (!isset($shifts_pb[$shift['PSID']])) {
$shifts_deleted[] = $shift;
}
}
return [
$shifts_new,
$shifts_updated,
$shifts_deleted
];
}
/**
* @param string $file
* @return SimpleXMLElement
*/
function read_xml($file)
{
global $xml_import;
if (!isset($xml_import)) {
$xml_import = simplexml_load_file($file);
}
return $xml_import;
}
/**
* @param array $shifts
* @param array $shifttypes
* @return array
*/
function shifts_printable($shifts, $shifttypes)
{
global $rooms_import;
$rooms = array_flip($rooms_import);
uasort($shifts, 'shift_sort');
$shifts_printable = [];
foreach ($shifts as $shift) {
$shifts_printable[] = [
'day' => date('l, Y-m-d', $shift['start']),
'start' => date('H:i', $shift['start']),
'shifttype' => ShiftType_name_render([
'id' => $shift['shifttype_id'],
'name' => $shifttypes[$shift['shifttype_id']]
]),
'title' => shorten($shift['title']),
'end' => date('H:i', $shift['end']),
'room' => $rooms[$shift['RID']]
];
}
return $shifts_printable;
}
/**
* @param array $shift_a
* @param array $shift_b
* @return int
*/
function shift_sort($shift_a, $shift_b)
{
return ($shift_a['start'] < $shift_b['start']) ? -1 : 1;
}