$shifts */ function Shift_collides($shift, $shifts) { foreach ($shifts as $other_shift) { if ($shift['SID'] != $other_shift['SID']) { if (! ($shift['start'] >= $other_shift['end'] || $shift['end'] <= $other_shift['start'])) { return true; } } } return false; } /** * Check if an angel can sign up for given shift. * * @param Shift $shift * @param AngelType $angeltype * @param array $user_shifts */ function Shift_signup_allowed($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 $user_may_join_shift; } /** * Delete a shift by its external id. */ function Shift_delete_by_psid($shift_psid) { return sql_query("DELETE FROM `Shifts` WHERE `PSID`='" . sql_escape($shift_psid) . "'"); } /** * Delete a shift. */ function Shift_delete($shift_id) { mail_shift_delete(Shift($shift_id)); return sql_query("DELETE FROM `Shifts` WHERE `SID`='" . sql_escape($shift_id) . "'"); } /** * Update a shift. */ function Shift_update($shift) { global $user; $shift['name'] = ShiftType($shift['shifttype_id'])['name']; mail_shift_change(Shift($shift['SID']), $shift); return sql_query("UPDATE `Shifts` SET `shifttype_id`='" . sql_escape($shift['shifttype_id']) . "', `start`='" . sql_escape($shift['start']) . "', `end`='" . sql_escape($shift['end']) . "', `RID`='" . sql_escape($shift['RID']) . "', `title`=" . sql_null($shift['title']) . ", `URL`=" . sql_null($shift['URL']) . ", `PSID`=" . sql_null($shift['PSID']) . ", `edited_by_user_id`='" . sql_escape($user['UID']) . "', `edited_at_timestamp`=" . time() . " WHERE `SID`='" . sql_escape($shift['SID']) . "'"); } /** * Update a shift by its external id. */ function Shift_update_by_psid($shift) { $shift_source = sql_select("SELECT `SID` FROM `Shifts` WHERE `PSID`=" . $shift['PSID']); if ($shift_source === false) { return false; } if (count($shift_source) == 0) { return null; } $shift['SID'] = $shift_source[0]['SID']; return Shift_update($shift); } /** * Create a new shift. * * @return new shift id or false */ function Shift_create($shift) { global $user; $result = sql_query("INSERT INTO `Shifts` SET `shifttype_id`='" . sql_escape($shift['shifttype_id']) . "', `start`='" . sql_escape($shift['start']) . "', `end`='" . sql_escape($shift['end']) . "', `RID`='" . sql_escape($shift['RID']) . "', `title`=" . sql_null($shift['title']) . ", `URL`=" . sql_null($shift['URL']) . ", `PSID`=" . sql_null($shift['PSID']) . ", `created_by_user_id`='" . sql_escape($user['UID']) . "', `created_at_timestamp`=" . time()); if ($result === false) { return false; } return sql_id(); } /** * Return users shifts. */ function Shifts_by_user($user) { return sql_select(" SELECT `ShiftTypes`.`id` as `shifttype_id`, `ShiftTypes`.`name`, `ShiftEntry`.*, `Shifts`.*, `Room`.* FROM `ShiftEntry` JOIN `Shifts` ON (`ShiftEntry`.`SID` = `Shifts`.`SID`) JOIN `ShiftTypes` ON (`ShiftTypes`.`id` = `Shifts`.`shifttype_id`) JOIN `Room` ON (`Shifts`.`RID` = `Room`.`RID`) WHERE `UID`='" . sql_escape($user['UID']) . "' ORDER BY `start` "); } /** * TODO: $_REQUEST is not allowed in model! * Returns Shift id array */ function Shifts_filtered() { global $_REQUEST; $filter = ""; // filterRoom (Array of integer) - Array of Room IDs (optional, for list request) if (isset($_REQUEST['filterRoom']) && is_array($_REQUEST['filterRoom'])) { foreach ($_REQUEST['filterRoom'] as $key => $value) { $filter .= ", `RID`='" . sql_escape($value) . "' "; } } // filterTask (Array of integer) - Array if Task (optional, for list request) if (isset($_REQUEST['filterTask']) && is_array($_REQUEST['filterTask'])) { foreach ($_REQUEST['filterTask'] as $key => $value) { // TODO $filter .= ", `RID`=" . sql_escape($value) . " "; } } // filterOccupancy (integer) - Occupancy state: (optional, for list request) // 1 occupied, 2 free, 3 occupied and free if (isset($_REQUEST['filterOccupancy']) && is_array($_REQUEST['filterOccupancy'])) { foreach ($_REQUEST['filterOccupancy'] as $key => $value) { // TODO $filter .= ", `RID`=" . sql_escape($value) . " "; } } // format filter if ($filter != "") { $filter = ' WHERE ' . substr($filter, 1); } // real request $shifts_source = sql_select("SELECT `SID` FROM `Shifts`" . $filter); if ($shifts_source === false) { return false; } if (count($shifts_source) > 0) { return $shifts_source; } return null; } /** * Returns Shift by id. * * @param $shift_id Shift * ID */ function Shift($shift_id) { $shifts_source = sql_select(" SELECT `Shifts`.*, `ShiftTypes`.`name` FROM `Shifts` JOIN `ShiftTypes` ON (`ShiftTypes`.`id` = `Shifts`.`shifttype_id`) WHERE `SID`='" . sql_escape($shift_id) . "'"); $shiftsEntry_source = sql_select("SELECT `id`, `TID` , `UID` , `freeloaded` FROM `ShiftEntry` WHERE `SID`='" . sql_escape($shift_id) . "'"); if ($shifts_source === false) { return false; } if (count($shifts_source) > 0) { $result = $shifts_source[0]; $result['ShiftEntry'] = $shiftsEntry_source; $result['NeedAngels'] = []; $temp = NeededAngelTypes_by_shift($shift_id); foreach ($temp as $e) { $result['NeedAngels'][] = [ 'TID' => $e['angel_type_id'], 'count' => $e['count'], 'restricted' => $e['restricted'], 'taken' => $e['taken'] ]; } return $result; } return null; } /** * Returns all shifts with needed angeltypes and count of subscribed jobs. */ function Shifts() { $shifts_source = sql_select(" SELECT `ShiftTypes`.`name`, `Shifts`.*, `Room`.`RID`, `Room`.`Name` as `room_name` FROM `Shifts` JOIN `ShiftTypes` ON (`ShiftTypes`.`id` = `Shifts`.`shifttype_id`) JOIN `Room` ON `Room`.`RID` = `Shifts`.`RID` "); if ($shifts_source === false) { return false; } foreach ($shifts_source as &$shift) { $needed_angeltypes = NeededAngelTypes_by_shift($shift['SID']); if ($needed_angeltypes === false) { return false; } $shift['angeltypes'] = $needed_angeltypes; } return $shifts_source; } ?>