MDL-67027 calendar: fix event update form validation.
[moodle.git] / calendar / classes / local / event / mappers / create_update_form_mapper.php
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1<?php
2// This file is part of Moodle - http://moodle.org/
3//
4// Moodle is free software: you can redistribute it and/or modify
5// it under the terms of the GNU General Public License as published by
6// the Free Software Foundation, either version 3 of the License, or
7// (at your option) any later version.
8//
9// Moodle is distributed in the hope that it will be useful,
10// but WITHOUT ANY WARRANTY; without even the implied warranty of
11// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
12// GNU General Public License for more details.
13//
14// You should have received a copy of the GNU General Public License
15// along with Moodle. If not, see <http://www.gnu.org/licenses/>.
16
17/**
18 * Event create form and update form mapper.
19 *
20 * @package core_calendar
21 * @copyright 2017 Ryan Wyllie <ryan@moodle.com>
22 * @license http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
23 */
24
25namespace core_calendar\local\event\mappers;
26
27defined('MOODLE_INTERNAL') || die();
28
29require_once($CFG->dirroot . '/calendar/lib.php');
30
31/**
32 * Event create form and update form mapper class.
33 *
34 * This class will perform the necessary data transformations to take
35 * a legacy event and build the appropriate data structure for both the
36 * create and update event forms.
37 *
38 * It will also do the reverse transformation
39 * and take the returned form data and provide a data structure that can
40 * be used to set legacy event properties.
41 *
42 * @copyright 2017 Ryan Wyllie <ryan@moodle.com>
43 * @license http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
44 */
45class create_update_form_mapper implements create_update_form_mapper_interface {
46
47 /**
48 * Generate the appropriate data for the form from a legacy event.
49 *
705eea84 50 * @param \calendar_event $legacyevent
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51 * @return stdClass
52 */
53 public function from_legacy_event_to_data(\calendar_event $legacyevent) {
54 $legacyevent->count_repeats();
ea5f7707 55 $data = $legacyevent->properties();
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56 $data->timedurationuntil = $legacyevent->timestart + $legacyevent->timeduration;
57 $data->duration = (empty($legacyevent->timeduration)) ? 0 : 1;
58
59 if ($legacyevent->eventtype == 'group') {
60 // Set up the correct value for the to display on the form.
dfc609e5 61 $data->groupid = $legacyevent->groupid;
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62 $data->groupcourseid = $legacyevent->courseid;
63 }
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64 if ($legacyevent->eventtype == 'course') {
65 // Set up the correct value for the to display on the form.
66 $data->courseid = $legacyevent->courseid;
67 }
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68 $data->description = [
69 'text' => $data->description,
70 'format' => $data->format
71 ];
72
c0c9cf32 73 // Don't return context or subscription because they're not form values and break validation.
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74 if (isset($data->context)) {
75 unset($data->context);
76 }
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77 if (isset($data->subscription)) {
78 unset($data->subscription);
79 }
ea5f7707 80
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81 return $data;
82 }
83
84 /**
85 * Generate the appropriate calendar_event properties from the form data.
86 *
705eea84 87 * @param \stdClass $data
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88 * @return stdClass
89 */
90 public function from_data_to_event_properties(\stdClass $data) {
91 $properties = clone($data);
92
0108fdfa 93 if ($data->eventtype == 'group') {
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94 if (isset($data->groupcourseid)) {
95 $properties->courseid = $data->groupcourseid;
96 unset($properties->groupcourseid);
97 }
86244e91 98 if (isset($data->groupid)) {
dfc609e5 99 $properties->groupid = $data->groupid;
86244e91 100 }
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101 } else {
102 // Default course id if none is set.
103 if (empty($properties->courseid)) {
104 if ($properties->eventtype == 'site') {
105 $properties->courseid = SITEID;
106 } else {
107 $properties->courseid = 0;
108 }
109 } else {
110 $properties->courseid = $data->courseid;
111 }
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112 }
113
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114 // Decode the form fields back into valid event property.
115 $properties->timeduration = $this->get_time_duration_from_form_data($data);
116
117 return $properties;
118 }
119
120 /**
121 * A helper function to calculate the time duration for an event based on
122 * the event_form data.
123 *
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124 * @param \stdClass $data event_form data
125 * @return int
126 */
127 private function get_time_duration_from_form_data(\stdClass $data) {
128 if ($data->duration == 1) {
705eea84 129 return $data->timedurationuntil - $data->timestart;
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130 } else if ($data->duration == 2) {
131 return $data->timedurationminutes * MINSECS;
132 } else {
133 return 0;
134 }
135 }
136}