/**
* Check if an angel can sign up for given shift.
*
* @param Shift $shift
* @param AngelType $angeltype
* @param array<Shift> $user_shifts
*/
function Shift_signup_allowed($shift, $angeltype, $user_angeltype = null, $user_shifts = null)
{
global $user, $privileges;
if ($user_shifts == null) {
$user_shifts = Shifts_by_user($user);
if ($user_shifts === false) {
engelsystem_error('Unable to load users shifts.');
}
}
$collides = Shift_collides($shift, $user_shifts);
if ($user_angeltype == null) {
$user_angeltype = UserAngelType_by_User_and_AngelType($user, $angeltype);
if ($user_angeltype === false) {
engelsystem_error('Unable to load user angeltype.');
}
}
$signed_up = false;
foreach ($user_shifts as $user_shift) {
if ($user_shift['SID'] == $shift['SID']) {
$signed_up = true;
break;
}
}
$needed_angeltypes = NeededAngelTypes_by_shift($shift['SID']);
if ($needed_angeltypes === false) {
engelsystem_error('Unable to load needed angel types.');
}
// is the shift still running or alternatively is the user shift admin?
$user_may_join_shift = true;
// you canot join if shift is full
foreach ($needed_angeltypes as $needed_angeltype) {
if ($needed_angeltype['angel_type_id'] == $angeltype['id']) {
if ($needed_angeltype['taken'] >= $needed_angeltype['count']) {
$user_may_join_shift = false;
}
break;
}
}
// you cannot join if user alread joined a parallel or this shift
$user_may_join_shift &= !$collides;
// you cannot join if you already singed up for this shift
$user_may_join_shift &= !$signed_up;
// you cannot join if user is not of this angel type
$user_may_join_shift &= $user_angeltype != null;
// you cannot join if you are not confirmed
if ($angeltype['restricted'] == 1 && $user_angeltype != null) {
$user_may_join_shift &= isset($user_angeltype['confirm_user_id']);
}
// you can only join if the shift is in future
$user_may_join_shift &= time() < $shift['start'];
// User shift admins may join anybody in every shift
$user_may_join_shift |= in_array('user_shifts_admin', $privileges);
return $user_may_join_shift;
}
function shift_controller()
{
global $user, $privileges;
if (!in_array('user_shifts', $privileges)) {
redirect(page_link_to('?'));
}
if (!isset($_REQUEST['shift_id'])) {
redirect(page_link_to('user_shifts'));
}
$shift = Shift($_REQUEST['shift_id']);
if ($shift === false) {
engelsystem_error('Unable to load shift.');
}
if ($shift == null) {
error(_('Shift could not be found.'));
redirect(page_link_to('user_shifts'));
}
$shifttype = ShiftType($shift['shifttype_id']);
if ($shifttype === false || $shifttype == null) {
engelsystem_error('Unable to load shift type.');
}
$room = Room($shift['RID']);
if ($room === false || $room == null) {
engelsystem_error('Unable to load room.');
}
$angeltypes = AngelTypes();
if ($angeltypes === false) {
engelsystem_error('Unable to load angeltypes.');
}
$user_shifts = Shifts_by_user($user);
if ($user_shifts === false) {
engelsystem_error('Unable to load users shifts.');
}
$signed_up = false;
foreach ($user_shifts as $user_shift) {
if ($user_shift['SID'] == $shift['SID']) {
$signed_up = true;
break;
}
}
return [$shift['name'], Shift_view($shift, $shifttype, $room, in_array('admin_shifts', $privileges), $angeltypes, in_array('user_shifts_admin', $privileges), in_array('admin_rooms', $privileges), in_array('shifttypes', $privileges), $user_shifts, $signed_up)];
}
function user_controller()
{
global $privileges, $user;
if (isset($_REQUEST['user_id'])) {
$user_source = User($_REQUEST['user_id']);
} else {
$user_source = $user;
}
$shifts = Shifts_by_user($user_source);
foreach ($shifts as &$shift) {
// TODO: Move queries to model
$shift['needed_angeltypes'] = sql_select("SELECT DISTINCT `AngelTypes`.* FROM `ShiftEntry` JOIN `AngelTypes` ON `ShiftEntry`.`TID`=`AngelTypes`.`id` WHERE `ShiftEntry`.`SID`='" . sql_escape($shift['SID']) . "' ORDER BY `AngelTypes`.`name`");
foreach ($shift['needed_angeltypes'] as &$needed_angeltype) {
$needed_angeltype['users'] = sql_select("\n SELECT `ShiftEntry`.`freeloaded`, `User`.*\n FROM `ShiftEntry`\n JOIN `User` ON `ShiftEntry`.`UID`=`User`.`UID`\n WHERE `ShiftEntry`.`SID`='" . sql_escape($shift['SID']) . "'\n AND `ShiftEntry`.`TID`='" . sql_escape($needed_angeltype['id']) . "'");
}
}
if ($user_source['api_key'] == "") {
User_reset_api_key($user_source, false);
}
return array($user_source['Nick'], User_view($user_source, in_array('admin_user', $privileges), User_is_freeloader($user_source), User_angeltypes($user_source), User_groups($user_source), $shifts, $user['UID'] == $user_source['UID']));
}