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<?php
namespace Studip\JsonApi\Routes;
use JsonApi\NonJsonApiController;
use Psr\Http\Message\ServerRequestInterface as Request;
use Psr\Http\Message\ResponseInterface as Response;
class AvailableRooms extends NonJsonApiController
{
public function __invoke(Request $request, Response $response, $args)
{
$raw_time_ranges = \Request::get('time_ranges');
if ($raw_time_ranges) {
$raw_time_ranges = json_decode($raw_time_ranges, true);
} else {
$raw_time_ranges = [];
}
$course_date_ids = \Request::get('course_date_ids');
if ($course_date_ids) {
$course_date_ids = explode(',', $course_date_ids);
}
$current_user = \User::findCurrent();
if (empty($raw_time_ranges)) {
//No time ranges given.
return $response->withStatus(400, 'No time ranges given.');
}
//Convert the time ranges to the appropriate format:
$time_ranges = [];
foreach ($raw_time_ranges as $raw_time_range) {
$start_str = $raw_time_range['start'] ?? '';
$end_str = $raw_time_range['end'] ?? '';
if (!$start_str || !$end_str) {
//Invalid time range.
return $response->withStatus(400, 'Invalid time range.');
}
//The timestamps are either in the extended RFC3339 format or in unix timestamps.
$timezone = new \DateTime();
$start_datetime = \DateTime::createFromFormat(\DateTimeInterface::RFC3339_EXTENDED, $start_str, $timezone->getTimezone());
$end_datetime = \DateTime::createFromFormat(\DateTimeInterface::RFC3339_EXTENDED, $end_str, $timezone->getTimezone());
if (!$start_datetime || !$end_datetime) {
//Try unix timestamps as fallback.
$start_datetime = \DateTime::createFromFormat('U', $start_str, $timezone->getTimezone());
$end_datetime = \DateTime::createFromFormat('U', $end_str, $timezone->getTimezone());
}
if (!$start_datetime || !$end_datetime) {
//Invalid date or time format.
return $response->withStatus(400, 'Invalid date or time format.');
}
$time_ranges[] = [
'begin' => $start_datetime,
'end' => $end_datetime
];
}
if (!\ResourceManager::userHasGlobalPermission($current_user, 'autor')
&& !\ResourceManager::userHasResourcePermissions($current_user, 'autor')) {
//The user must not book any room.
throw new \AccessDeniedException();
}
//Collect the booking-IDs for the course date:
$booking_ids = [];
if (!empty($course_date_ids)) {
$course_dates = \CourseDate::findMany($course_date_ids);
if ($course_dates) {
foreach ($course_dates as $course_date) {
foreach ($course_date->room_bookings as $booking) {
$booking_ids[] = $booking->id;
}
}
}
}
$available_rooms = \RoomManager::findRooms(
'',
null,
null,
[],
$time_ranges,
'name ASC',
false,
[],
true,
$booking_ids
);
$bookable_rooms = [];
foreach ($available_rooms as $room) {
$all_ranges_bookable = true;
foreach ($time_ranges as $time_range) {
if (empty($time_range['begin']) || empty($time_range['end'])) {
//Invalid time range. We cannot continue.
return $response->withStatus(400, 'Invalid time range.');
}
if (!$room->userHasBookingRights($current_user, $time_range['begin'], $time_range['end'])) {
$all_ranges_bookable = false;
break;
}
}
if ($all_ranges_bookable) {
$bookable_rooms[$room->id] = $room;
}
}
$separable_rooms = \SeparableRoom::findBySQL(
"JOIN `separable_room_parts` srp
ON `separable_rooms`.`id` = `srp`.`separable_room_id`
WHERE `srp`.`room_id` IN ( :room_ids )
GROUP BY `separable_rooms`.`id`",
[
'room_ids' => array_keys($bookable_rooms)
]
);
$selectable_room_data = [];
foreach ($separable_rooms as $separable_room) {
//Check if all the room parts are available and bookable. If so, include the separable room
//in the $selectable_room_data array.
$unavailable_parts = \SeparableRoomPart::countBySQL(
"`separable_room_id` = :separable_room_id
AND `room_id` NOT IN ( :room_ids )",
[
'separable_room_id' => $separable_room->id,
'room_ids' => array_keys($bookable_rooms)
]
) > 0;
if (!$unavailable_parts) {
//The separable room is fully available. Include it in the list of bookable rooms
//before its room parts.
$selectable_room_data[] = [
'id' => sprintf('separable_room-%s', $separable_room->id),
'name' => sprintf(
'%1$s (%2$s)',
$separable_room->name,
_('Teilbarer Raum')
),
'separable_room_id' => $separable_room->id,
'info_text' => sprintf('%1$s: %2$s', $separable_room->name, $separable_room->description)
];
}
//Add the room parts from the $bookable_rooms array:
$room_part_data = [];
foreach ($separable_room->parts as $part) {
if (in_array($part->room_id, array_keys($bookable_rooms))) {
$room = $bookable_rooms[$part->room_id];
$room_part_data[] = [
'id' => sprintf('room-%s', $room->id),
'name' => studip_interpolate(
_('%{room_name} (%{seats} Sitzplätze) [Teil von %{separable_room_name}]'),
[
'room_name' => $room->getFullName(),
'seats' => $room->seats,
'separable_room_name' => $separable_room->name
]
),
'separable_room_id' => $separable_room->id,
'info_text' => sprintf('%1$s: %2$s', $separable_room->name, $separable_room->description)
];
unset($bookable_rooms[$part->room_id]);
}
}
//Sort $room_part_data by name:
uasort($room_part_data, function ($a, $b) {
if ($a['name'] > $b['name']) {
return 1;
} elseif ($a['name'] < $b['name']) {
return -1;
} else {
return 0;
}
});
$selectable_room_data = array_merge($selectable_room_data, $room_part_data);
}
//Add all remaining rooms:
foreach ($bookable_rooms as $room) {
$selectable_room_data[] = [
'id' => sprintf('room-%s', $room->id),
'name' => studip_interpolate(
_('%{room_name} (%{seats} Sitzplätze)'),
[
'room_name' => $room->getFullName(),
'seats' => $room->seats
]
)
];
}
$response->getBody()->write(json_encode($selectable_room_data));
return $response;
}
}
|
