aboutsummaryrefslogtreecommitdiff
path: root/mod/blog/start.php
blob: 6b9f500a27745c849e8585ab412d38e37061cd09 (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
<?php
/**
 * Blogs
 *
 * @package Blog
 * @license http://www.gnu.org/licenses/old-licenses/gpl-2.0.html GNU Public License version 2
 * @author Curverider Ltd
 * @copyright Curverider Ltd 2008-2010
 * @link http://elgg.org/
 *
 * @todo
 * Either drop support for "publish date" or duplicate more entity getter
 * functions to work with a non-standard time_created.
 * Show friends blog posts
 * Widget
 *
 * Pingbacks
 * Notifications
 */

/**
 * Init blog plugin.
 *
 * @return TRUE
 */
function blog_init() {
	global $CONFIG;
	require_once dirname(__FILE__) . '/blog_lib.php';

	add_menu(elgg_echo('blog:blogs'), "{$CONFIG->wwwroot}pg/blog/", array());

	// run the setup upon activations or to upgrade old installations.
	run_function_once('blog_runonce', '1269370108');

	elgg_extend_view('css', 'blog/css');

	register_elgg_event_handler('pagesetup', 'system', 'blog_page_setup');
	register_page_handler('blog', 'blog_page_handler');
	register_entity_url_handler('blog_url_handler', 'object', 'blog');

	// notifications
	register_notification_object('object', 'blog', elgg_echo('blog:newpost'));
	register_plugin_hook('notify:entity:message', 'object', 'blog_notify_message');

	// pingbacks
	//register_elgg_event_handler('create', 'object', 'blog_incoming_ping');
	//register_plugin_hook('pingback:object:subtypes', 'object', 'blog_pingback_subtypes');

	// Register for search.
	register_entity_type('object', 'blog');

	//add_widget_type('blog', elgg_echo('blog'), elgg_echo('blog:widget:description'), 'profile, dashboard');

	$action_path = dirname(__FILE__) . '/actions/blog';

	register_action('blog/save', FALSE, "$action_path/save.php");
	register_action('blog/auto_save_revision', FALSE, "$action_path/auto_save_revision.php");
	register_action('blog/delete', FALSE, "$action_path/delete.php");

	// ecml
	register_plugin_hook('get_views', 'ecml', 'blog_ecml_views_hook');

	// Register profile menu hook
	register_plugin_hook('profile_menu', 'profile', 'blog_profile_menu');
}

/**
 * Register entity class for object:blog -> ElggBlog
 */
function blog_runonce() {
	if (!update_subtype('object', 'blog', 'ElggBlog')) {
		add_subtype('object', 'blog', 'ElggBlog');
	}
}

/**
 * Dispatches blog pages.
 * To maintain URL backward compatibility, expects old-style URLs like:
 * 	pg/blog/[username/[read|edit|archive|new/[time_start|guid/[time_end|title]]]]
 *
 * Without a username, show all blogs
 * Without an action (read|edit|archive|new), forward to pg/blog/username/read.
 * Without a guid, show all post for that user.
 * Title is ignored
 *
 * If archive, uses time_start/end
 *
 * @todo There is no way to say "show me archive view for all blog posts" with the
 * current URL scheme because $param[0] is the username instead of an action.
 * Could do something hideous like make '*' mean "all users" (since a username can't be *).
 * Can't change the URL scheme because of URL compatibility.
 *
 * @param array $page
 * @return NULL
 */
function blog_page_handler($page) {
	global $CONFIG;

	// see if we're showing all or just a user's
	if (isset($page[0]) && !empty($page[0])) {
		$username = $page[0];

		// push breadcrumb
		elgg_push_breadcrumb(elgg_echo('blog:blogs'), "{$CONFIG->site->url}pg/blog");

		// forward away if invalid user.
		if (!$user = get_user_by_username($username)) {
			register_error('blog:error:unknown_username');
			forward($_SERVER['HTTP_REFERER']);
		}

		set_page_owner($user->getGUID());
		$crumbs_title = sprintf(elgg_echo('blog:owned_blogs'), $user->name);
		$crumbs_url = "{$CONFIG->site->url}pg/blog/$username/read";
		elgg_push_breadcrumb($crumbs_title, $crumbs_url);

		$action = isset($page[1]) ? $page[1] : FALSE;
		// yeah these are crap names, but they're used for different things.
		$page2 = isset($page[2]) ? $page[2] : FALSE;
		$page3 = isset($page[3]) ? $page[3] : FALSE;

		switch ($action) {
			case 'read':
				$title = sprintf(elgg_echo('blog:title:user_blogs'), $user->name);
				$content_info = blog_get_page_content_read($user->getGUID(), $page2);
				break;

			case 'new':
			case 'edit':
				gatekeeper();
				$title = elgg_echo('blog:edit');
				$content_info = blog_get_page_content_edit($page2, $page3);
				break;

			case 'archive':
				$title = elgg_echo('blog:archives');
				$content_info = blog_get_page_content_archive($user->getGUID(), $page2, $page3);
				break;

			case 'friends':
				$title = elgg_echo('blog:title:friends');
				$content_info = blog_get_page_content_friends($user->getGUID());
				break;

			default:
				forward("pg/blog/$username/read/");
				break;
		}
	} else {
		$title = elgg_echo('blog:title:all_blogs');
		$content_info = blog_get_page_content_read();
	}

	$sidebar = isset($content_info['sidebar']) ? $content_info['sidebar'] : '';

	$sidebar .= elgg_view('blog/sidebar_menu', array(
		'page' => isset($page[1]) ? $page[1] : FALSE,
	));

	$content = elgg_view('navigation/breadcrumbs') . $content_info['content'];

	$body = elgg_view_layout('one_column_with_sidebar', $content, $sidebar);

	page_draw($title, $body);
}

/**
 * Format and return the correct URL for blogs.
 *
 * @param ElggObject $entity
 * @return string URL of blog.
 */
function blog_url_handler($entity) {
	global $CONFIG;

	if (!$user = get_entity($entity->owner_guid)) {
		// default to a standard view if no owner.
		return FALSE;
	}

	$friendly_title = friendly_title($entity->title);

	$url = "{$CONFIG->site->url}pg/blog/{$user->username}/read/{$entity->getGUID()}/$friendly_title";
	return $url;
}

/**
 * Register blogs with ECML.
 *
 * @param unknown_type $hook
 * @param unknown_type $entity_type
 * @param unknown_type $return_value
 * @param unknown_type $params
 */
function blog_ecml_views_hook($hook, $entity_type, $return_value, $params) {
	$return_value['object/blog'] = elgg_echo('blog:blogs');

	return $return_value;
}

function blog_profile_menu($hook, $entity_type, $return_value, $params) {
	global $CONFIG;

	if (!($params['owner'] instanceof ElggGroup)) {
		$return_value[] = array(
			'text' => elgg_echo('blog'),
			'href' => "{$CONFIG->url}pg/blog/{$params['owner']->username}/read",
		);
	}

	return $return_value;
}

register_elgg_event_handler('init', 'system', 'blog_init');