272 lines
7.9 KiB
PHP
272 lines
7.9 KiB
PHP
<?php
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/**
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* Check if a shift collides with other shifts (in time).
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* @param Shift $shift
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* @param array<Shift> $shifts
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*/
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function Shift_collides($shift, $shifts) {
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foreach ($shifts as $other_shift)
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if ($shift['SID'] != $other_shift['SID'])
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if (! ($shift['start'] >= $other_shift['end'] || $shift['end'] <= $other_shift['start']))
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return true;
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return false;
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}
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/**
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* Check if an angel can sign up for given shift.
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*
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* @param Shift $shift
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* @param AngelType $angeltype
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* @param array<Shift> $user_shifts
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*/
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function Shift_signup_allowed($shift, $angeltype, $user_angeltype = null, $user_shifts = null) {
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global $user, $privileges;
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if ($user_shifts == null) {
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$user_shifts = Shifts_by_user($user);
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if ($user_shifts === false)
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engelsystem_error('Unable to load users shifts.');
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}
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$collides = Shift_collides($shift, $user_shifts);
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if ($user_angeltype == null) {
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$user_angeltype = UserAngelType_by_User_and_AngelType($user, $angeltype);
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if ($user_angeltype === false)
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engelsystem_error('Unable to load user angeltype.');
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}
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$signed_up = false;
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foreach ($user_shifts as $user_shift)
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if ($user_shift['SID'] == $shift['SID']) {
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$signed_up = true;
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break;
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}
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$needed_angeltypes = NeededAngelTypes_by_shift($shift['SID']);
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if ($needed_angeltypes === false)
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engelsystem_error('Unable to load needed angel types.');
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// is the shift still running or alternatively is the user shift admin?
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$user_may_join_shift = true;
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// you canot join if shift is full
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foreach ($needed_angeltypes as $needed_angeltype)
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if ($needed_angeltype['angel_type_id'] == $angeltype['id']) {
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if ($needed_angeltype['taken'] >= $needed_angeltype['count'])
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$user_may_join_shift = false;
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break;
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}
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// you cannot join if user alread joined a parallel or this shift
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$user_may_join_shift &= ! $collides;
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// you cannot join if you already singed up for this shift
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$user_may_join_shift &= ! $signed_up;
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// you cannot join if user is not of this angel type
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$user_may_join_shift &= $user_angeltype != null;
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// you cannot join if you are not confirmed
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if ($angeltype['restricted'] == 1 && $user_angeltype != null)
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$user_may_join_shift &= isset($user_angeltype['confirm_user_id']);
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// you can only join if the shift is in future
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$user_may_join_shift &= time() < $shift['start'];
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// User shift admins may join anybody in every shift
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$user_may_join_shift |= in_array('user_shifts_admin', $privileges);
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return $user_may_join_shift;
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}
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/**
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* Delete a shift by its external id.
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*/
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function Shift_delete_by_psid($shift_psid) {
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return sql_query("DELETE FROM `Shifts` WHERE `PSID`='" . sql_escape($shift_psid)."'");
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}
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/**
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* Delete a shift.
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*/
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function Shift_delete($shift_id) {
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mail_shift_delete(Shift($shift_id));
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return sql_query("DELETE FROM `Shifts` WHERE `SID`='" . sql_escape($shift_id) . "'");
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}
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/**
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* Update a shift.
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*/
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function Shift_update($shift) {
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$shift['name'] = ShiftType($shift['shifttype_id'])['name'];
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mail_shift_change(Shift($shift['SID']), $shift);
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return sql_query("UPDATE `Shifts` SET
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`shifttype_id`='" . sql_escape($shift['shifttype_id']) . "',
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`start`='" . sql_escape($shift['start']) . "',
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`end`='" . sql_escape($shift['end']) . "',
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`RID`='" . sql_escape($shift['RID']) . "',
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`title`=" . sql_null($shift['title']) . ",
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`URL`=" . sql_null($shift['URL']) . ",
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`PSID`=" . sql_null($shift['PSID']) . "
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WHERE `SID`='" . sql_escape($shift['SID']) . "'");
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}
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/**
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* Update a shift by its external id.
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*/
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function Shift_update_by_psid($shift) {
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$shift_source = sql_select("SELECT `SID` FROM `Shifts` WHERE `PSID`=" . $shift['PSID']);
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if ($shift_source === false)
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return false;
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if (count($shift_source) == 0)
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return null;
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$shift['SID'] = $shift_source[0]['SID'];
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return Shift_update($shift);
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}
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/**
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* Create a new shift.
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*
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* @return new shift id or false
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*/
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function Shift_create($shift) {
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$result = sql_query("INSERT INTO `Shifts` SET
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`shifttype_id`='" . sql_escape($shift['shifttype_id']) . "',
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`start`='" . sql_escape($shift['start']) . "',
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`end`='" . sql_escape($shift['end']) . "',
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`RID`='" . sql_escape($shift['RID']) . "',
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`title`=" . sql_null($shift['title']) . ",
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`URL`=" . sql_null($shift['URL']) . ",
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`PSID`=" . sql_null($shift['PSID']));
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if ($result === false)
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return false;
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return sql_id();
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}
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/**
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* Return users shifts.
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*/
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function Shifts_by_user($user) {
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return sql_select("
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SELECT `ShiftTypes`.`id` as `shifttype_id`, `ShiftTypes`.`name`, `ShiftEntry`.*, `Shifts`.*, `Room`.*
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FROM `ShiftEntry`
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JOIN `Shifts` ON (`ShiftEntry`.`SID` = `Shifts`.`SID`)
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JOIN `ShiftTypes` ON (`ShiftTypes`.`id` = `Shifts`.`shifttype_id`)
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JOIN `Room` ON (`Shifts`.`RID` = `Room`.`RID`)
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WHERE `UID`='" . sql_escape($user['UID']) . "'
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ORDER BY `start`
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");
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}
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/**
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* TODO: $_REQUEST is not allowed in model!
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* Returns Shift id array
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*/
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function Shifts_filtered() {
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global $_REQUEST;
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$filter = "";
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// filterRoom (Array of integer) - Array of Room IDs (optional, for list request)
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if (isset($_REQUEST['filterRoom']) && is_array($_REQUEST['filterRoom'])) {
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foreach ($_REQUEST['filterRoom'] as $key => $value) {
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$filter .= ", `RID`='" . sql_escape($value) . "' ";
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}
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}
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// filterTask (Array of integer) - Array if Task (optional, for list request)
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if (isset($_REQUEST['filterTask']) && is_array($_REQUEST['filterTask'])) {
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foreach ($_REQUEST['filterTask'] as $key => $value) {
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// TODO $filter .= ", `RID`=" . sql_escape($value) . " ";
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}
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}
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// filterOccupancy (integer) - Occupancy state: (optional, for list request)
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// 1 occupied, 2 free, 3 occupied and free
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if (isset($_REQUEST['filterOccupancy']) && is_array($_REQUEST['filterOccupancy'])) {
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foreach ($_REQUEST['filterOccupancy'] as $key => $value) {
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// TODO $filter .= ", `RID`=" . sql_escape($value) . " ";
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}
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}
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// format filter
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if ($filter != "") {
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$filter = ' WHERE ' . substr($filter, 1);
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}
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// real request
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$shifts_source = sql_select("SELECT `SID` FROM `Shifts`" . $filter);
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if ($shifts_source === false)
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return false;
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if (count($shifts_source) > 0) {
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return $shifts_source;
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}
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return null;
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}
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/**
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* Returns Shift by id.
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*
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* @param $id Shift
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* ID
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*/
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function Shift($id) {
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$shifts_source = sql_select("
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SELECT `Shifts`.*, `ShiftTypes`.`name`
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FROM `Shifts`
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JOIN `ShiftTypes` ON (`ShiftTypes`.`id` = `Shifts`.`shifttype_id`)
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WHERE `SID`='" . sql_escape($id) . "'");
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$shiftsEntry_source = sql_select("SELECT `id`, `TID` , `UID` , `freeloaded` FROM `ShiftEntry` WHERE `SID`='" . sql_escape($id) . "'");
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if ($shifts_source === false)
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return false;
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if (count($shifts_source) > 0) {
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$result = $shifts_source[0];
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$result['ShiftEntry'] = $shiftsEntry_source;
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$result['NeedAngels'] = [];
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$temp = NeededAngelTypes_by_shift($id);
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foreach ($temp as $e) {
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$result['NeedAngels'][] = array(
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'TID' => $e['angel_type_id'],
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'count' => $e['count'],
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'restricted' => $e['restricted'],
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'taken' => $e['taken']
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);
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}
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return $result;
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}
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return null;
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}
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/**
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* Returns all shifts with needed angeltypes and count of subscribed jobs.
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*/
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function Shifts() {
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$shifts_source = sql_select("
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SELECT `ShiftTypes`.`name`, `Shifts`.*, `Room`.`RID`, `Room`.`Name` as `room_name`
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FROM `Shifts`
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JOIN `ShiftTypes` ON (`ShiftTypes`.`id` = `Shifts`.`shifttype_id`)
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JOIN `Room` ON `Room`.`RID` = `Shifts`.`RID`
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");
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if ($shifts_source === false)
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return false;
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foreach ($shifts_source as &$shift) {
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$needed_angeltypes = NeededAngelTypes_by_shift($shift['SID']);
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if ($needed_angeltypes === false)
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return false;
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$shift['angeltypes'] = $needed_angeltypes;
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}
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return $shifts_source;
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}
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?>
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