aboutsummaryrefslogtreecommitdiff
path: root/engine/lib/sites.php
blob: a348d166ba369f55805f4f2ce5a1f777dc7af720 (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
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
335
336
337
338
339
340
341
342
343
344
345
346
347
348
349
350
351
352
353
354
355
356
357
358
359
360
361
362
363
364
365
366
367
368
369
370
371
372
373
374
375
376
377
378
379
380
381
382
383
384
385
386
387
388
389
390
391
392
393
394
395
396
397
398
399
400
401
402
403
404
405
406
407
408
409
410
411
412
413
414
415
416
417
418
419
420
421
422
423
424
425
426
427
428
429
430
431
432
433
434
435
436
437
438
439
440
<?php
/**
 * Elgg sites
 * Functions to manage multiple or single sites in an Elgg install
 *
 * @package Elgg.Core
 * @subpackage DataModel.Site
 */

/**
 * Return the site specific details of a site by a row.
 *
 * @param int $guid The site GUID
 *
 * @return mixed
 */
function get_site_entity_as_row($guid) {
	global $CONFIG;

	$guid = (int)$guid;
	return get_data_row("SELECT * from {$CONFIG->dbprefix}sites_entity where guid=$guid");
}

/**
 * Create or update the extras table for a given site.
 * Call create_entity first.
 *
 * @param int    $guid        Site GUID
 * @param string $name        Site name
 * @param string $description Site Description
 * @param string $url         URL of the site
 *
 * @return bool
 */
function create_site_entity($guid, $name, $description, $url) {
	global $CONFIG;

	$guid = (int)$guid;
	$name = sanitise_string($name);
	$description = sanitise_string($description);
	$url = sanitise_string($url);

	$row = get_entity_as_row($guid);

	if ($row) {
		// Exists and you have access to it
		$query = "SELECT guid from {$CONFIG->dbprefix}sites_entity where guid = {$guid}";
		if ($exists = get_data_row($query)) {
			$query = "UPDATE {$CONFIG->dbprefix}sites_entity
				set name='$name', description='$description', url='$url' where guid=$guid";
			$result = update_data($query);

			if ($result != false) {
				// Update succeeded, continue
				$entity = get_entity($guid);
				if (elgg_trigger_event('update', $entity->type, $entity)) {
					return $guid;
				} else {
					$entity->delete();
					//delete_entity($guid);
				}
			}
		} else {
			// Update failed, attempt an insert.
			$query = "INSERT into {$CONFIG->dbprefix}sites_entity
				(guid, name, description, url) values ($guid, '$name', '$description', '$url')";
			$result = insert_data($query);

			if ($result !== false) {
				$entity = get_entity($guid);
				if (elgg_trigger_event('create', $entity->type, $entity)) {
					return $guid;
				} else {
					$entity->delete();
					//delete_entity($guid);
				}
			}
		}
	}

	return false;
}

/**
 * @deprecated 1.6
 * @return 1
 */
function delete_site_entity($guid) {
	elgg_deprecated_notice("delete_site_entity has been deprecated", 1.6);
	return 1; // Always return that we have deleted one row in order to not break existing code.
}

/**
 * Add a user to a site.
 *
 * @param int $site_guid Site guid
 * @param int $user_guid User guid
 *
 * @return bool
 */
function add_site_user($site_guid, $user_guid) {
	global $CONFIG;

	$site_guid = (int)$site_guid;
	$user_guid = (int)$user_guid;

	return add_entity_relationship($user_guid, "member_of_site", $site_guid);
}

/**
 * Remove a user from a site.
 *
 * @param int $site_guid Site GUID
 * @param int $user_guid User GUID
 *
 * @return bool
 */
function remove_site_user($site_guid, $user_guid) {
	$site_guid = (int)$site_guid;
	$user_guid = (int)$user_guid;

	return remove_entity_relationship($user_guid, "member_of_site", $site_guid);
}

/**
 * Get the members of a site.
 *
 * @param int $site_guid Site GUID
 * @param int $limit     User GUID
 * @param int $offset    Offset
 *
 * @return mixed
 * @deprecated 1.8 Use ElggSite::getMembers()
 */
function get_site_members($site_guid, $limit = 10, $offset = 0) {
	elgg_deprecated_notice("get_site_members() deprecated.
		Use ElggSite::getMembers()", 1.8);

	$site = get_entity($site_guid);
	if ($site) {
		return $site->getMembers($limit, $offset);
	}

	return false;
}

/**
 * Display a list of site members
 *
 * @param int  $site_guid The GUID of the site
 * @param int  $limit     The number of members to display on a page
 * @param bool $fullview  Whether or not to display the full view (default: true)
 *
 * @return string A displayable list of members
 * @deprecated 1.8 Use ElggSite::listMembers()
 */
function list_site_members($site_guid, $limit = 10, $fullview = true) {
	elgg_deprecated_notice("list_site_members() deprecated.
		Use ElggSite::listMembers()", 1.8);

	$options = array(
		'limit' => $limit,
		'full_view' => $full_view,
	);

	$site = get_entity($site_guid);
	if ($site) {
		return $site->listMembers($options);
	}

	return '';
}

/**
 * Add an object to a site.
 *
 * @param int $site_guid   Site GUID
 * @param int $object_guid Object GUID
 *
 * @return mixed
 */
function add_site_object($site_guid, $object_guid) {
	global $CONFIG;

	$site_guid = (int)$site_guid;
	$object_guid = (int)$object_guid;

	return add_entity_relationship($object_guid, "member_of_site", $site_guid);
}

/**
 * Remove an object from a site.
 *
 * @param int $site_guid   Site GUID
 * @param int $object_guid Object GUID
 *
 * @return bool
 */
function remove_site_object($site_guid, $object_guid) {
	$site_guid = (int)$site_guid;
	$object_guid = (int)$object_guid;

	return remove_entity_relationship($object_guid, "member_of_site", $site_guid);
}

/**
 * Get the objects belonging to a site.
 *
 * @param int    $site_guid Site GUID
 * @param string $subtype   Subtype
 * @param int    $limit     Limit
 * @param int    $offset    Offset
 *
 * @return mixed
 */
function get_site_objects($site_guid, $subtype = "", $limit = 10, $offset = 0) {
	$site_guid = (int)$site_guid;
	$limit = (int)$limit;
	$offset = (int)$offset;

	return elgg_get_entities_from_relationship(array(
		'relationship' => 'member_of_site',
		'relationship_guid' => $site_guid,
		'inverse_relationship' => TRUE,
		'types' => 'object',
		'subtypes' => $subtype,
		'limit' => $limit,
		'offset' => $offset
	));
}

/**
 * Add a collection to a site.
 *
 * @param int $site_guid       Site GUID
 * @param int $collection_guid Collection GUID
 *
 * @return mixed
 * @deprecated 1.8 
 */
function add_site_collection($site_guid, $collection_guid) {
	elgg_deprecated_notice("add_site_collection has been deprecated", 1.8);
	global $CONFIG;

	$site_guid = (int)$site_guid;
	$collection_guid = (int)$collection_guid;

	return add_entity_relationship($collection_guid, "member_of_site", $site_guid);
}

/**
 * Remove a collection from a site.
 *
 * @param int $site_guid       Site GUID
 * @param int $collection_guid Collection GUID
 *
 * @return mixed
 * @deprecated 1.8
 */
function remove_site_collection($site_guid, $collection_guid) {
	elgg_deprecated_notice("remove_site_collection has been deprecated", 1.8);
	$site_guid = (int)$site_guid;
	$collection_guid = (int)$collection_guid;

	return remove_entity_relationship($collection_guid, "member_of_site", $site_guid);
}

/**
 * Get the collections belonging to a site.
 *
 * @param int    $site_guid Site GUID
 * @param string $subtype   Subtype
 * @param int    $limit     Limit
 * @param int    $offset    Offset
 *
 * @return mixed
 * @deprecated 1.8
 */
function get_site_collections($site_guid, $subtype = "", $limit = 10, $offset = 0) {
	elgg_deprecated_notice("get_site_collections has been deprecated", 1.8);
	$site_guid = (int)$site_guid;
	$subtype = sanitise_string($subtype);
	$limit = (int)$limit;
	$offset = (int)$offset;

	// collection isn't a valid type.  This won't work.
	return elgg_get_entities_from_relationship(array(
		'relationship' => 'member_of_site',
		'relationship_guid' => $site_guid,
		'inverse_relationship' => TRUE,
		'types' => 'collection',
		'subtypes' => $subtype,
		'limit' => $limit,
		'offset' => $offset
	));
}

/**
 * Return the site via a url.
 *
 * @param string $url The URL of a site
 *
 * @return mixed
 */
function get_site_by_url($url) {
	global $CONFIG;

	$url = sanitise_string($url);

	$row = get_data_row("SELECT * from {$CONFIG->dbprefix}sites_entity where url='$url'");

	if ($row) {
		return new ElggSite($row);
	}

	return false;
}

/**
 * Searches for a site based on a complete or partial name
 * or description or url using full text searching.
 *
 * IMPORTANT NOTE: With MySQL's default setup:
 * 1) $criteria must be 4 or more characters long
 * 2) If $criteria matches greater than 50% of results NO RESULTS ARE RETURNED!
 *
 * @param string  $criteria The partial or full name or username.
 * @param int     $limit    Limit of the search.
 * @param int     $offset   Offset.
 * @param string  $order_by The order.
 * @param boolean $count    Whether to return the count of results or just the results.
 *
 * @return mixed
 * @deprecated 1.7
 */
function search_for_site($criteria, $limit = 10, $offset = 0, $order_by = "", $count = false) {
	elgg_deprecated_notice('search_for_site() was deprecated by new search plugin.', 1.7);
	global $CONFIG;

	$criteria = sanitise_string($criteria);
	$limit = (int)$limit;
	$offset = (int)$offset;
	$order_by = sanitise_string($order_by);

	$access = get_access_sql_suffix("e");

	if ($order_by == "") {
		$order_by = "e.time_created desc";
	}

	if ($count) {
		$query = "SELECT count(e.guid) as total ";
	} else {
		$query = "SELECT e.* ";
	}
	$query .= "from {$CONFIG->dbprefix}entities e
		join {$CONFIG->dbprefix}sites_entity s on e.guid=s.guid
		where match(s.name, s.description, s.url) against ('$criteria') and $access";

	if (!$count) {
		$query .= " order by $order_by limit $offset, $limit"; // Add order and limit
		return get_data($query, "entity_row_to_elggstar");
	} else {
		if ($count = get_data_row($query)) {
			return $count->total;
		}
	}
	return false;
}

/**
 * Retrieve a site and return the domain portion of its url.
 *
 * @param int $guid ElggSite GUID
 *
 * @return string
 */
function get_site_domain($guid) {
	$guid = (int)$guid;

	$site = get_entity($guid);
	if ($site instanceof ElggSite) {
		$breakdown = parse_url($site->url);
		return $breakdown['host'];
	}

	return false;
}

/**
 * Initialise site handling
 *
 * Called at the beginning of system running, to set the ID of the current site.
 * This is 0 by default, but plugins may alter this behaviour by attaching functions
 * to the sites init event and changing $CONFIG->site_id.
 *
 * @uses $CONFIG
 *
 * @param string $event       Event API required parameter
 * @param string $object_type Event API required parameter
 * @param null   $object      Event API required parameter
 *
 * @return true
 */
function sites_boot($event, $object_type, $object) {
	global $CONFIG;

	$site = elgg_trigger_plugin_hook("siteid", "system");
	if ($site === null || $site === false) {
		$CONFIG->site_id = (int) datalist_get('default_site');
	} else {
		$CONFIG->site_id = $site;
	}
	$CONFIG->site_guid = $CONFIG->site_id;
	$CONFIG->site = get_entity($CONFIG->site_guid);

	return true;
}

// Register event handlers
elgg_register_event_handler('boot', 'system', 'sites_boot', 2);

// Register with unit test
elgg_register_plugin_hook_handler('unit_test', 'system', 'sites_test');

/**
 * Unit tests for sites
 *
 * @param sting  $hook   unit_test
 * @param string $type   system
 * @param mixed  $value  Array of tests
 * @param mixed  $params Params
 *
 * @return array
 */
function sites_test($hook, $type, $value, $params) {
	global $CONFIG;
	$value[] = "{$CONFIG->path}engine/tests/objects/sites.php";
	return $value;
}