reduce complexity of shift signup allowed

This commit is contained in:
msquare 2016-11-12 12:50:52 +01:00
parent 5f2871538a
commit c10ab2d8d2
1 changed files with 22 additions and 65 deletions

View File

@ -89,6 +89,26 @@ function Shift_collides($shift, $shifts) {
return false;
}
/**
* Returns true if a shift has no more free slots for angels.
*
* @param int $shift_id
* ID of the shift to check
*/
function Shift_occupied($shift_id) {
$needed_angeltypes = NeededAngelTypes_by_shift($shift['SID']);
foreach ($needed_angeltypes as $needed_angeltype) {
if ($needed_angeltype['angel_type_id'] == $angeltype['id']) {
if ($needed_angeltype['taken'] < $needed_angeltype['count']) {
return false;
}
}
}
return true;
}
/**
* Check if an angel can sign up for given shift.
*
@ -103,8 +123,6 @@ function Shift_signup_allowed($shift, $angeltype, $user_angeltype = null, $user_
$user_shifts = Shifts_by_user($user);
}
$collides = Shift_collides($shift, $user_shifts);
if ($user_angeltype == null) {
$user_angeltype = UserAngelType_by_User_and_AngelType($user, $angeltype);
}
@ -117,26 +135,11 @@ function Shift_signup_allowed($shift, $angeltype, $user_angeltype = null, $user_
}
}
$needed_angeltypes = NeededAngelTypes_by_shift($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;
}
}
$user_may_join_shift = ! Shift_occupied($shift['SID']);
// you cannot join if user alread joined a parallel or this shift
$user_may_join_shift &= ! $collides;
$user_may_join_shift &= ! Shift_collides($shift, $user_shifts);
// you cannot join if you already singed up for this shift
$user_may_join_shift &= ! $signed_up;
@ -256,52 +259,6 @@ function Shifts_by_user($user) {
return $result;
}
/**
* 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.
*