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349 lines
10 KiB
PHP
349 lines
10 KiB
PHP
<?php
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use Engelsystem\ShiftsFilter;
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use Engelsystem\ShiftSignupState;
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function Shifts_by_room($room) {
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$result = sql_select("SELECT * FROM `Shifts` WHERE `RID`=" . sql_escape($room['RID']) . " ORDER BY `start`");
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if ($result === false) {
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engelsystem_error("Unable to load shifts.");
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}
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return $result;
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}
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function Shifts_by_ShiftsFilter(ShiftsFilter $shiftsFilter, $user) {
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$SQL = "SELECT DISTINCT `Shifts`.*, `ShiftTypes`.`name`, `Room`.`Name` as `room_name`, nat2.`special_needs` > 0 AS 'has_special_needs'
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FROM `Shifts`
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INNER JOIN `Room` USING (`RID`)
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INNER JOIN `ShiftTypes` ON (`ShiftTypes`.`id` = `Shifts`.`shifttype_id`)
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LEFT JOIN (
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SELECT COUNT(*) AS special_needs , nat3.`shift_id`
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FROM `NeededAngelTypes` AS nat3
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WHERE `shift_id` IS NOT NULL
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GROUP BY nat3.`shift_id`
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) AS nat2 ON nat2.`shift_id` = `Shifts`.`SID`
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INNER JOIN `NeededAngelTypes` AS nat
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ON nat.`count` != 0
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AND nat.`angel_type_id` IN (" . implode(',', $shiftsFilter->getTypes()) . ")
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AND (
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(nat2.`special_needs` > 0 AND nat.`shift_id` = `Shifts`.`SID`)
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OR
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(
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(nat2.`special_needs` = 0 OR nat2.`special_needs` IS NULL)
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AND nat.`room_id` = `RID`)
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)
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LEFT JOIN (
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SELECT se.`SID`, se.`TID`, COUNT(*) as count
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FROM `ShiftEntry` AS se GROUP BY se.`SID`, se.`TID`
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) AS entries ON entries.`SID` = `Shifts`.`SID` AND entries.`TID` = nat.`angel_type_id`
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WHERE `Shifts`.`RID` IN (" . implode(',', $shiftsFilter->getRooms()) . ")
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AND `start` BETWEEN " . $shiftsFilter->getStartTime() . " AND " . $shiftsFilter->getEndTime();
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if (count($shiftsFilter->getFilled()) == 1) {
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if ($shiftsFilter->getFilled()[0] == ShiftsFilter::FILLED_FREE) {
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$SQL .= "
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AND (
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nat.`count` > entries.`count` OR entries.`count` IS NULL
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OR EXISTS (
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SELECT `SID`
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FROM `ShiftEntry`
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WHERE `UID` = '" . sql_escape($user['UID']) . "'
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AND `ShiftEntry`.`SID` = `Shifts`.`SID`
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)
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)";
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} elseif ($_SESSION['user_shifts']['filled'][0] == ShiftsFilter::FILLED_FILLED) {
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$SQL .= "
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AND (
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nat.`count` <= entries.`count`
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OR EXISTS (
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SELECT `SID`
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FROM `ShiftEntry`
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WHERE `UID` = '" . sql_escape($user['UID']) . "'
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AND `ShiftEntry`.`SID` = `Shifts`.`SID`
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)
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)";
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}
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}
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$SQL .= "
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ORDER BY `start`";
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$result = sql_select($SQL);
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if ($result === false) {
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engelsystem_error("Unable to load shifts by filter.");
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}
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return $result;
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}
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/**
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* Check if a shift collides with other shifts (in time).
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*
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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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}
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}
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}
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return false;
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}
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/**
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* Returns the number of needed angels/free shift entries for an angeltype.
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*
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* @param int $shift_id
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* ID of the shift to check
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* @param int $angeltype_id
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* ID of the angeltype that should be checked
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*/
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function Shift_free_entries($shift_id, $angeltype_id) {
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$needed_angeltypes = NeededAngelTypes_by_shift($shift_id);
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foreach ($needed_angeltypes as $needed_angeltype) {
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if ($needed_angeltype['angel_type_id'] == $angeltype_id) {
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return max(0, $needed_angeltype['count'] - $needed_angeltype['taken']);
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}
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}
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return 0;
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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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* The shift
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* @param AngelType $angeltype
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* The angeltype to which the user wants to sign up
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* @param array<Shift> $user_shifts
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* List of the users shifts
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*/
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function Shift_signup_allowed($user, $shift, $angeltype, $user_angeltype = null, $user_shifts = null) {
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global $privileges;
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$free_entries = Shift_free_entries($shift['SID'], $angeltype['id']);
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if (in_array('user_shifts_admin', $privileges)) {
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if ($free_entries == 0) {
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// User shift admins may join anybody in every shift
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return new ShiftSignupState(ShiftSignupState::ADMIN, $free_entries);
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}
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return new ShiftSignupState(ShiftSignupState::FREE, $free_entries);
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}
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if ($user_shifts == null) {
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$user_shifts = Shifts_by_user($user);
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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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}
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if ($signed_up) {
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// you cannot join if you already singed up for this shift
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return new ShiftSignupState(ShiftSignupState::SIGNED_UP, $free_entries);
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}
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if (time() > $shift['start']) {
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// you can only join if the shift is in future
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return new ShiftSignupState(ShiftSignupState::SHIFT_ENDED, $free_entries);
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}
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if ($free_entries == 0) {
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// you cannot join if shift is full
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return new ShiftSignupState(ShiftSignupState::OCCUPIED, $free_entries);
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}
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if ($user_angeltype == null) {
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$user_angeltype = UserAngelType_by_User_and_AngelType($user, $angeltype);
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}
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if ($user_angeltype == null || ($angeltype['restricted'] == 1 && $user_angeltype != null && ! isset($user_angeltype['confirm_user_id']))) {
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// you cannot join if user is not of this angel type
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// you cannot join if you are not confirmed
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return new ShiftSignupState(ShiftSignupState::ANGELTYPE, $free_entries);
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}
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if (Shift_collides($shift, $user_shifts)) {
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// you cannot join if user alread joined a parallel or this shift
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return new ShiftSignupState(ShiftSignupState::COLLIDES, $free_entries);
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}
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// Hooray, shift is free for you!
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return new ShiftSignupState(ShiftSignupState::FREE, $free_entries);
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}
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/**
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* Delete a shift by its external id.
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*/
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function Shift_delete_by_psid($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($shift_id));
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$result = sql_query("DELETE FROM `Shifts` WHERE `SID`='" . sql_escape($shift_id) . "'");
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if ($result === false) {
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engelsystem_error('Unable to delete shift.');
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}
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return $result;
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}
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/**
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* Update a shift.
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*/
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function Shift_update($shift) {
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global $user;
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$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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`edited_by_user_id`='" . sql_escape($user['UID']) . "',
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`edited_at_timestamp`=" . time() . "
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WHERE `SID`='" . sql_escape($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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}
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if (count($shift_source) == 0) {
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return null;
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}
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$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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global $user;
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$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($shift['PSID']) . ",
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`created_by_user_id`='" . sql_escape($user['UID']) . "',
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`created_at_timestamp`=" . time());
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if ($result === false) {
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return false;
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}
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return sql_id();
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}
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/**
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* Return users shifts.
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*/
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function Shifts_by_user($user) {
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$result = sql_select("
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SELECT `ShiftTypes`.`id` as `shifttype_id`, `ShiftTypes`.`name`,
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`ShiftEntry`.`id`, `ShiftEntry`.`SID`, `ShiftEntry`.`TID`, `ShiftEntry`.`UID`, `ShiftEntry`.`freeloaded`, `ShiftEntry`.`Comment`,
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`Shifts`.*, `Room`.*
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FROM `ShiftEntry`
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JOIN `Shifts` ON (`ShiftEntry`.`SID` = `Shifts`.`SID`)
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JOIN `ShiftTypes` ON (`ShiftTypes`.`id` = `Shifts`.`shifttype_id`)
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JOIN `Room` ON (`Shifts`.`RID` = `Room`.`RID`)
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WHERE `UID`='" . sql_escape($user['UID']) . "'
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ORDER BY `start`
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");
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if ($result === false) {
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engelsystem_error('Unable to load users shifts.');
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}
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return $result;
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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 $shift_id Shift
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* ID
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*/
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function Shift($shift_id) {
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$shifts_source = sql_select("
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SELECT `Shifts`.*, `ShiftTypes`.`name`
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FROM `Shifts`
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JOIN `ShiftTypes` ON (`ShiftTypes`.`id` = `Shifts`.`shifttype_id`)
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WHERE `SID`='" . sql_escape($shift_id) . "'");
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$shiftsEntry_source = sql_select("SELECT `id`, `TID` , `UID` , `freeloaded` FROM `ShiftEntry` WHERE `SID`='" . sql_escape($shift_id) . "'");
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if ($shifts_source === false) {
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engelsystem_error('Unable to load shift.');
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}
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if (empty($shifts_source)) {
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return null;
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}
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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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$temp = NeededAngelTypes_by_shift($shift_id);
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foreach ($temp as $e) {
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$result['NeedAngels'][] = [
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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 $result;
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}
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/**
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* Returns all shifts with needed angeltypes and count of subscribed jobs.
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*/
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function Shifts() {
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$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 ($shifts_source === false) {
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return false;
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}
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foreach ($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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}
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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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