aboutsummaryrefslogtreecommitdiff
path: root/mod/groups/lib/discussion.php
blob: 2a3de783bbdff29722b1394b3a84a3fa05a814f8 (plain)
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
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
<?php
/**
 * Discussion function library
 */

/**
 * List all discussion topics
 */
function discussion_handle_all_page() {

	elgg_pop_breadcrumb();
	elgg_push_breadcrumb(elgg_echo('discussion'));

	$content = elgg_list_entities(array(
		'type' => 'object',
		'subtype' => 'groupforumtopic',
		'order_by' => 'e.last_action desc',
		'limit' => 40,
		'full_view' => false,
	));

	$params = array(
		'content' => $content,
		'title' => elgg_echo('discussion:latest'),
		'filter' => '',
		'buttons' => '',
	);
	$body = elgg_view_layout('content', $params);

	echo elgg_view_page($title, $body);
}

/**
 * List discussion topics in a group
 *
 * @param int $guid Group entity GUID
 */
function discussion_handle_list_page($guid) {

	elgg_set_page_owner_guid($guid);

	$group = get_entity($guid);
	if (!$group) {
		register_error(elgg_echo('group:notfound'));
		forward();
	}
	elgg_push_breadcrumb($group->name);

	group_gatekeeper();

	$title = elgg_echo('item:object:groupforumtopic');
	
	$options = array(
		'type' => 'object',
		'subtype' => 'groupforumtopic',
		'limit' => 20,
		'order_by' => 'e.last_action desc',
		'container_guid' => $guid,
		'full_view' => false,
	);
	$content = elgg_list_entities($options);


	$params = array(
		'content' => $content,
		'title' => $title,
		'filter' => '',
	);

	if (!$group->isMember() && !$group->canEdit()) {
		$params['buttons'] = '';
	}

	$body = elgg_view_layout('content', $params);

	echo elgg_view_page($title, $body);
}

/**
 * Edit or add a discussion topic
 *
 * @param string $type 'add' or 'edit'
 * @param int    $guid GUID of group or topic
 */
function discussion_handle_edit_page($type, $guid) {
	gatekeeper();

	if ($type == 'add') {
		$group = get_entity($guid);
		if (!$group) {
			register_error(elgg_echo('group:notfound'));
			forward();
		}
		group_gatekeeper();

		$title = elgg_echo('groups:addtopic');

		elgg_push_breadcrumb($group->name, "pg/discussion/owner/$group->guid");
		elgg_push_breadcrumb($title);

		$body_vars = discussion_prepare_form_vars();
		$content = elgg_view_form('discussion/save', array(), $body_vars);
	} else {
		$topic = get_entity($guid);
		if (!$topic || !$topic->canEdit()) {
			register_error(elgg_echo('discussion:topic:notfound'));
			forward();
		}
		$group = $topic->getContainerEntity();
		if (!$group) {
			register_error(elgg_echo('group:notfound'));
			forward();
		}

		$title = elgg_echo('groups:edittopic');

		elgg_push_breadcrumb($group->name, "pg/discussion/owner/$group->guid");
		elgg_push_breadcrumb($topic->title, $topic->getURL());
		elgg_push_breadcrumb($title);

		$body_vars = discussion_prepare_form_vars($topic);
		$content = elgg_view_form('discussion/save', array(), $body_vars);
	}

	$params = array(
		'content' => $content,
		'title' => $title,
		'filter' => '',
		'buttons' => '',
	);
	$body = elgg_view_layout('content', $params);

	echo elgg_view_page($title, $body);
}

/**
 * View a discussion topic
 *
 * @param int $guid GUID of topic
 */
function discussion_handle_view_page($guid) {
	// We now have RSS on topics
	global $autofeed;
	$autofeed = true;

	$topic = get_entity($guid);
	if (!$topic) {
		register_error(elgg_echo('discussion:topic:notfound'));
		forward();
	}

	$group = $topic->getContainerEntity();
	if (!$group) {
		register_error(elgg_echo('group:notfound'));
		forward();
	}

	elgg_set_page_owner_guid($group->getGUID());

	group_gatekeeper();

	elgg_push_breadcrumb($group->name, "pg/discussion/owner/$group->guid");
	elgg_push_breadcrumb($topic->title);

	$content = elgg_view_entity($topic, true);
	if ($topic->status == 'closed') {
		$content .= elgg_view('discussion/replies', array(
			'entity' => $topic,
			'show_add_form' => false,
		));
		$content .= elgg_view('discussion/closed');
	} elseif ($group->isMember() || elgg_is_admin_logged_in()) {
		$content .= elgg_view('discussion/replies', array(
			'entity' => $topic,
			'show_add_form' => true,
		));
	} else {
		$content .= elgg_view('discussion/replies', array(
			'entity' => $topic,
			'show_add_form' => false,
		));
	}

	$params = array(
		'content' => $content,
		'title' => $topic->title,
		'filter' => '',
		'buttons' => '',
	);
	$body = elgg_view_layout('content', $params);

	echo elgg_view_page($title, $body);
}

/**
 * Prepare discussion topic form variables
 *
 * @param ElggObject $topic Topic object if editing
 * @return array
 */
function discussion_prepare_form_vars($topic = NULL) {
	// input names => defaults
	$values = array(
		'title' => '',
		'description' => '',
		'status' => '',
		'access_id' => ACCESS_DEFAULT,
		'tags' => '',
		'container_guid' => elgg_get_page_owner_guid(),
		'guid' => null,
		'entity' => $topic,
	);

	if ($topic) {
		foreach (array_keys($values) as $field) {
			$values[$field] = $topic->$field;
		}
	}

	if (elgg_is_sticky_form('topic')) {
		foreach (array_keys($values) as $field) {
			$values[$field] = elgg_get_sticky_value('topic', $field);
		}
	}

	elgg_clear_sticky_form('topic');

	return $values;
}