mirrored from git://git.moodle.org/moodle.git
/
message_drawer_view_group_info.js
173 lines (158 loc) · 5.62 KB
/
message_drawer_view_group_info.js
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
// This file is part of Moodle - http://moodle.org/
//
// Moodle is free software: you can redistribute it and/or modify
// it under the terms of the GNU General Public License as published by
// the Free Software Foundation, either version 3 of the License, or
// (at your option) any later version.
//
// Moodle is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
// GNU General Public License for more details.
//
// You should have received a copy of the GNU General Public License
// along with Moodle. If not, see <http://www.gnu.org/licenses/>.
/**
* Controls the group info page of the message drawer.
*
* @module core_message/message_drawer_view_group_info
* @copyright 2018 Ryan Wyllie <ryan@moodle.com>
* @license http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
*/
define(
[
'jquery',
'core/str',
'core/templates',
'core_message/message_repository',
'core_message/message_drawer_lazy_load_list',
],
function(
$,
Str,
Templates,
Repository,
LazyLoadList
) {
var LOAD_MEMBERS_LIMIT = 50;
var SELECTORS = {
CONTENT_CONTAINER: '[data-region="group-info-content-container"]',
MEMBERS_LIST: '[data-region="members-list"]',
};
var TEMPLATES = {
CONTENT: 'core_message/message_drawer_view_group_info_body_content',
MEMBERS_LIST: 'core_message/message_drawer_view_group_info_participants_list'
};
/**
* Get the content container of the group info view container.
*
* @param {Object} root Contact container element.
* @return {Object} jQuery object
*/
var getContentContainer = function(root) {
return root.find(SELECTORS.CONTENT_CONTAINER);
};
/**
* Render the group info page.
*
* @param {Object} root Container element.
* @param {Object} conversation The group conversation.
* @param {Number} loggedInUserId The logged in user's id.
* @return {Object} jQuery promise
*/
var render = function(root, conversation, loggedInUserId) {
var placeholderCount = conversation.totalMemberCount > 50 ? 50 : conversation.totalMemberCount;
var placeholders = Array.apply(null, Array(placeholderCount)).map(function() {
return true;
});
var templateContext = {
name: conversation.name,
subname: conversation.subname,
imageurl: conversation.imageUrl,
placeholders: placeholders,
loggedinuser: {
id: loggedInUserId
}
};
return Templates.render(TEMPLATES.CONTENT, templateContext)
.then(function(html) {
getContentContainer(root).append(html);
return html;
});
};
/**
* Get the callback to load members of the conversation.
*
* @param {Object} conversation The conversation
* @param {Number} limit How many members to load
* @param {Number} offset How many memebers to skip
* @return {Function} the callback.
*/
var getLoadMembersCallback = function(conversation, limit, offset) {
return function(root, userId) {
return Repository.getConversationMembers(conversation.id, userId, limit + 1, offset)
.then(function(members) {
if (members.length > limit) {
members = members.slice(0, -1);
} else {
LazyLoadList.setLoadedAll(root, true);
}
offset = offset + limit;
// Filter out the logged in user so that they don't appear in the list.
return members.filter(function(member) {
return member.id != userId;
});
});
};
};
/**
* Function to render the members in the list.
*
* @param {Object} contentContainer The list content container.
* @param {Array} members The list of members to render
* @return {Object} jQuery promise
*/
var renderMembersCallback = function(contentContainer, members) {
return Templates.render(TEMPLATES.MEMBERS_LIST, {contacts: members})
.then(function(html) {
contentContainer.append(html);
return html;
});
};
/**
* Setup the contact page.
*
* @param {Object} root Contact container element.
* @param {Number} conversation The conversation
* @param {Number} loggedInUserId The logged in user id
* @return {Object} jQuery promise
*/
var show = function(root, conversation, loggedInUserId) {
root = $(root);
getContentContainer(root).empty();
return render(root, conversation, loggedInUserId)
.then(function() {
var listRoot = LazyLoadList.getRoot(root);
LazyLoadList.show(
listRoot,
getLoadMembersCallback(conversation, LOAD_MEMBERS_LIMIT, 0),
renderMembersCallback
);
return;
});
};
/**
* String describing this page used for aria-labels.
*
* @param {Object} root Contact container element.
* @param {Number} conversation The conversation
* @return {Object} jQuery promise
*/
var description = function(root, conversation) {
return Str.get_string('messagedrawerviewgroupinfo', 'core_message', conversation.name);
};
return {
show: show,
description: description
};
});