comments.php ➔ _elgg_comments_init() - Code Metrics - gctools-outilsgc/gcconnex - Measure and Improve Code Quality continuously with Scrutinizer

comments.php ➔ _elgg_comments_init() A
last analyzed 2021-05-27 17:40 UTC

↳ Parent: Project

Complexity

Conditions	1
Paths	1

Size

Total Lines

Duplication

Lines	0
Ratio	0 %

Code Coverage

Tests	0
CRAP Score	2

Importance

Changes

Metric	Value
cc	1
nc	1
nop	0
dl	0
loc	14
ccs	0
cts	10
cp	0
crap	2
rs	9.7998
c	0
b	0
f	0

<?php
/**
 * Elgg comments library
 *
 * @package    Elgg.Core
 * @subpackage Comments
 * @since 1.9
 */

/**
 * Comments initialization function
 *
 * @return void
 * @access private
 */
function _elgg_comments_init() {
	elgg_register_entity_type('object', 'comment');
	elgg_register_plugin_hook_handler('register', 'menu:entity', '_elgg_comment_setup_entity_menu', 900);
	elgg_register_plugin_hook_handler('entity:url', 'object', '_elgg_comment_url_handler');
	elgg_register_plugin_hook_handler('container_permissions_check', 'object', '_elgg_comments_container_permissions_override');
	elgg_register_plugin_hook_handler('permissions_check', 'object', '_elgg_comments_permissions_override');
	elgg_register_plugin_hook_handler('email', 'system', '_elgg_comments_notification_email_subject');
	
	elgg_register_event_handler('update:after', 'all', '_elgg_comments_access_sync');

	elgg_register_page_handler('comment', '_elgg_comments_page_handler');

	elgg_register_ajax_view('core/ajax/edit_comment');
}

/**
 * Page handler for generic comments manipulation.
 *
 * @param array $page
 * @return bool
 * @access private
 */
function _elgg_comments_page_handler($page) {

	switch ($page[0]) {

		case 'edit':
			elgg_gatekeeper();

			if (empty($page[1])) {
				register_error(elgg_echo('generic_comment:notfound'));
				forward(REFERER);
			}
			$comment = get_entity($page[1]);
			if (!($comment instanceof \ElggComment) || !$comment->canEdit()) {
				register_error(elgg_echo('generic_comment:notfound'));
				forward(REFERER);
			}

			$target = $comment->getContainerEntity();
			if (!($target instanceof \ElggEntity)) {
				register_error(elgg_echo('generic_comment:notfound'));
				forward(REFERER);
			}

			$title = elgg_echo('generic_comments:edit');
			elgg_push_breadcrumb($target->getDisplayName(), $target->getURL());
			elgg_push_breadcrumb($title);

			$params = array(
				'entity' => $target,
				'comment' => $comment,
				'is_edit_page' => true,
			);
			$content = elgg_view_form('comment/save', null, $params);
function acceptsInteger($int) { }

$x = '123'; // string "123"

// Instead of
acceptsInteger($x);

// we recommend to use
acceptsInteger((integer) $x);

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

			return true;
			break;
switch ($x) {
    case 1:
        return 'foo';
        break; // This break is not necessary and can be left off.
}

		case 'view':
			_elgg_comment_redirect(elgg_extract(1, $page), elgg_extract(2, $page));
			break;

		default:
			return false;
			break;
switch ($x) {
    case 1:
        return 'foo';
        break; // This break is not necessary and can be left off.
}
	}
}

/**
 * Redirect to the comment in context of the containing page
 *
 * @param int $comment_guid  GUID of the comment
 * @param int $fallback_guid GUID of the containing entity
 *
 * @return void
 * @access private
 */
function _elgg_comment_redirect($comment_guid, $fallback_guid) {
	$fail = function () {
		register_error(elgg_echo('generic_comment:notfound'));
		forward(REFERER);
	};

	$comment = get_entity($comment_guid);
	if (!$comment) {
		// try fallback if given
		$fallback = get_entity($fallback_guid);
		if (!$fallback) {
			$fail();
		}

		register_error(elgg_echo('generic_comment:notfound_fallback'));
		forward($fallback->getURL());
	}

	if (!elgg_instanceof($comment, 'object', 'comment')) {
		$fail();
	}

	$container = $comment->getContainerEntity();
	if (!$container) {
		$fail();
	}

	// this won't work with threaded comments, but core doesn't support that yet
	$count = elgg_get_entities([
		'type' => 'object',
		'subtype' => 'comment',
		'container_guid' => $container->guid,
		'count' => true,
		'wheres' => ["e.guid < " . (int)$comment->guid],
	]);
	$limit = (int)get_input('limit');
	if (!$limit) {
		$limit = elgg_trigger_plugin_hook('config', 'comments_per_page', [], 25);
	}
	$offset = floor($count / $limit) * $limit;
	if (!$offset) {
		$offset = null;
	}

	$url = elgg_http_add_url_query_elements($container->getURL(), [
			'offset' => $offset,
		]) . "#elgg-object-{$comment->guid}";

	forward($url);
}

/**
 * Setup the menu shown with a comment
 *
 * @param string         $hook   'register'
 * @param string         $type   'menu:entity'
 * @param \ElggMenuItem[] $return Array of \ElggMenuItem objects
 * @param array          $params Array of view vars
 *
 * @return array
 * @access private
 */
function _elgg_comment_setup_entity_menu($hook, $type, $return, $params) {
	if (elgg_in_context('widgets')) {
		return $return;
	}

	$entity = $params['entity'];
	if (!elgg_instanceof($entity, 'object', 'comment')) {
		return $return;
	}

	// Remove edit link and access level from the menu
	foreach ($return as $key => $item) {
		if ($item->getName() === 'access') {
			unset($return[$key]);
		}
	}

	return $return;
}

/**
 * Format and return the URL for a comment.
 *
 * This is the container's URL because comments don't have their own page.
 *
 * @param string $hook   'entity:url'
 * @param string $type   'object'
 * @param string $return URL for entity
 * @param array  $params Array with the elgg entity passed in as 'entity'
 *
 * @return string
 * @access private
 */
function _elgg_comment_url_handler($hook, $type, $return, $params) {
	$entity = $params['entity'];
	/* @var \ElggObject $entity */

	if (!elgg_instanceof($entity, 'object', 'comment') || !$entity->getOwnerEntity()) {
		// not a comment or has no owner

		// @todo handle anonymous comments
		return $return;
	}

	$container = $entity->getContainerEntity();
	if (!$container) {
		return $return;
	}

	return "comment/view/{$entity->guid}/{$container->guid}";
}

/**
 * Allow users to comment on entities not owned by them.
 *
 * Object being commented on is used as the container of the comment so
 * permission check must be overridden if user isn't the owner of the object.
 *
 * @param string  $hook   'container_permissions_check'
 * @param string  $type   'object'
 * @param boolean $return Can the current user write to this container?
 * @param array   $params Array of parameters (container, user, subtype)
 *
 * @return array
 * @access private
 * @todo this doesn't seem to make a difference if a user can comment or not
 */
function _elgg_comments_container_permissions_override($hook, $type, $return, $params) {

	// is someone trying to comment, if so override permissions check
	if ($params['subtype'] === 'comment') {
		return true;
	}

	return $return;
}

/**
 * By default, only authors can edit their comments.
 * 
 * @param string  $hook   'permissions_check'
 * @param string  $type   'object'
 * @param boolean $return Can the given user edit the given entity?
 * @param array   $params Array of parameters (entity, user)
 *
 * @return boolean Whether the given user is allowed to edit the given comment.
 */
function _elgg_comments_permissions_override($hook, $type, $return, $params) {
	$entity = $params['entity'];
	$user = $params['user'];
	
	if (elgg_instanceof($entity, 'object', 'comment') && $user) {
		return $entity->getOwnerGUID() == $user->getGUID();
	}
	
	return $return;
}

/**
 * Set subject for email notifications about new ElggComment objects
 *
 * The "Re: " part is required by some email clients in order to properly
 * group the notifications in threads.
 *
 * Group discussion replies extend ElggComment objects so this takes care
 * of their notifications also.
 *
 * @param string $hook        'email'
 * @param string $type        'system'
 * @param array  $returnvalue Current mail parameters
 * @param array  $params      Original mail parameters
 * @return array $returnvalue Modified mail parameters
 */
function _elgg_comments_notification_email_subject($hook, $type, $returnvalue, $params) {
	if (!is_array($returnvalue)) {
		// another hook handler returned a non-array, let's not override it
		return;
	}

	if (empty($returnvalue['params']['notification'])) {
		return;
	}
	
	/** @var Elgg\Notifications\Notification */
	$notification = $returnvalue['params']['notification'];

	if ($notification instanceof Elgg\Notifications\Notification) {
		$object = elgg_extract('object', $notification->params);

		if ($object instanceof ElggComment) {
			$container = $object->getContainerEntity();

			$returnvalue['subject'] = 'Re: ' . $container->getDisplayName();
		}
	}

	return $returnvalue;
}

/**
 * Update comment access to match that of the container
 * 
 * @param string     $event  'update:after'
 * @param string     $type   'all'
 * @param ElggEntity $entity The updated entity
 * @return bool
 * 
 * @access private
 */
function _elgg_comments_access_sync($event, $type, $entity) {
	if (!($entity instanceof \ElggEntity)) {
		return true;
	}
	
	// need to override access in case comments ended up with ACCESS_PRIVATE
	// and to ensure write permissions
	$ia = elgg_set_ignore_access(true);
	$options = array(
		'type' => 'object',
		'subtype' => 'comment',
		'container_guid' => $entity->getGUID(),
		'wheres' => array(
			"e.access_id != {$entity->access_id}"
		),
		'limit' => 0,
	);

	$batch = new \ElggBatch('elgg_get_entities', $options, null, 25, false);
	foreach ($batch as $comment) {
		// Update comment access_id
		$comment->access_id = $entity->access_id;
		$comment->save();
	}
		
	elgg_set_ignore_access($ia);
	
	return true;
}

/**
 * Runs unit tests for \ElggComment
 *
 * @param string $hook   unit_test
 * @param string $type   system
 * @param mixed  $value  Array of tests
 * @param mixed  $params Params
 *
 * @return array
 * @access private
 */
function _elgg_comments_test($hook, $type, $value, $params) {
	global $CONFIG;
	$value[] = "{$CONFIG->path}engine/tests/ElggCommentTest.php";
	return $value;
}

return function(\Elgg\EventsService $events, \Elgg\HooksRegistrationService $hooks) {
	$events->registerHandler('init', 'system', '_elgg_comments_init');
	$hooks->registerHandler('unit_test', 'system', '_elgg_comments_test');
};


1		<?php
2		/**
3		* Elgg comments library
4		*
5		* @package Elgg.Core
6		* @subpackage Comments
7		* @since 1.9
8		*/
9
10		/**
11		* Comments initialization function
12		*
13		* @return void
14		* @access private
15		*/
16		function _elgg_comments_init() {
17		elgg_register_entity_type('object', 'comment');
18		elgg_register_plugin_hook_handler('register', 'menu:entity', '_elgg_comment_setup_entity_menu', 900);
19		elgg_register_plugin_hook_handler('entity:url', 'object', '_elgg_comment_url_handler');
20		elgg_register_plugin_hook_handler('container_permissions_check', 'object', '_elgg_comments_container_permissions_override');
21		elgg_register_plugin_hook_handler('permissions_check', 'object', '_elgg_comments_permissions_override');
22		elgg_register_plugin_hook_handler('email', 'system', '_elgg_comments_notification_email_subject');
23
24		elgg_register_event_handler('update:after', 'all', '_elgg_comments_access_sync');
25
26		elgg_register_page_handler('comment', '_elgg_comments_page_handler');
27
28		elgg_register_ajax_view('core/ajax/edit_comment');
29		}
30
31		/**
32		* Page handler for generic comments manipulation.
33		*
34		* @param array $page
35		* @return bool
36		* @access private
37		*/
38		function _elgg_comments_page_handler($page) {
39
40		switch ($page[0]) {
41
42		case 'edit':
43		elgg_gatekeeper();
44
45		if (empty($page[1])) {
46		register_error(elgg_echo('generic_comment:notfound'));
47		forward(REFERER);
48		}
49		$comment = get_entity($page[1]);
50		if (!($comment instanceof \ElggComment) \|\| !$comment->canEdit()) {
51		register_error(elgg_echo('generic_comment:notfound'));
52		forward(REFERER);
53		}
54
55		$target = $comment->getContainerEntity();
56		if (!($target instanceof \ElggEntity)) {
57		register_error(elgg_echo('generic_comment:notfound'));
58		forward(REFERER);
59		}
60
61		$title = elgg_echo('generic_comments:edit');
62		elgg_push_breadcrumb($target->getDisplayName(), $target->getURL());
63		elgg_push_breadcrumb($title);
64
65		$params = array(
66		'entity' => $target,
67		'comment' => $comment,
68		'is_edit_page' => true,
69		);
70		$content = elgg_view_form('comment/save', null, $params);
		0 ignored issues – show Documentation introduced 2017-09-27 16:16 UTC by Report Bug Copy Issue Report `null` is of type `null`, but the function expects a `array`. It seems like the type of the argument is not accepted by the function/method which you are calling. In some cases, in particular if PHP’s automatic type-juggling kicks in this might be fine. In other cases, however this might be a bug. We suggest to add an explicit type cast like in the following example: function acceptsInteger($int) { } $x = '123'; // string "123" // Instead of acceptsInteger($x); // we recommend to use acceptsInteger((integer) $x); Loading history...
71
72		$params = array(
73		'content' => $content,
74		'title' => $title,
75		'filter' => '',
76		);
77		$body = elgg_view_layout('content', $params);
78		echo elgg_view_page($title, $body);
79
80		return true;
81		break;
		0 ignored issues – show Unused Code introduced 2017-09-27 16:16 UTC by Report Bug Copy Issue Report `break` is not strictly necessary here and could be removed. The `break` statement is not necessary if it is preceded for example by a `return` statement: switch ($x) { case 1: return 'foo'; break; // This break is not necessary and can be left off. } If you would like to keep this construct to be consistent with other `case` statements, you can safely mark this issue as a false-positive. Loading history...
82
83		case 'view':
84		_elgg_comment_redirect(elgg_extract(1, $page), elgg_extract(2, $page));
85		break;
86
87		default:
88		return false;
89		break;
		0 ignored issues – show Unused Code introduced 2017-09-27 16:16 UTC by Report Bug Copy Issue Report `break` is not strictly necessary here and could be removed. The `break` statement is not necessary if it is preceded for example by a `return` statement: switch ($x) { case 1: return 'foo'; break; // This break is not necessary and can be left off. } If you would like to keep this construct to be consistent with other `case` statements, you can safely mark this issue as a false-positive. Loading history...
90		}
91		}
92
93		/**
94		* Redirect to the comment in context of the containing page
95		*
96		* @param int $comment_guid GUID of the comment
97		* @param int $fallback_guid GUID of the containing entity
98		*
99		* @return void
100		* @access private
101		*/
102		function _elgg_comment_redirect($comment_guid, $fallback_guid) {
103		$fail = function () {
104		register_error(elgg_echo('generic_comment:notfound'));
105		forward(REFERER);
106		};
107
108		$comment = get_entity($comment_guid);
109	View Code Duplication	if (!$comment) {
110		// try fallback if given
111		$fallback = get_entity($fallback_guid);
112		if (!$fallback) {
113		$fail();
114		}
115
116		register_error(elgg_echo('generic_comment:notfound_fallback'));
117		forward($fallback->getURL());
118		}
119
120		if (!elgg_instanceof($comment, 'object', 'comment')) {
121		$fail();
122		}
123
124		$container = $comment->getContainerEntity();
125		if (!$container) {
126		$fail();
127		}
128
129		// this won't work with threaded comments, but core doesn't support that yet
130		$count = elgg_get_entities([
131		'type' => 'object',
132		'subtype' => 'comment',
133		'container_guid' => $container->guid,
134		'count' => true,
135		'wheres' => ["e.guid < " . (int)$comment->guid],
136		]);
137		$limit = (int)get_input('limit');
138		if (!$limit) {
139		$limit = elgg_trigger_plugin_hook('config', 'comments_per_page', [], 25);
140		}
141		$offset = floor($count / $limit) * $limit;
142		if (!$offset) {
143		$offset = null;
144		}
145
146		$url = elgg_http_add_url_query_elements($container->getURL(), [
147		'offset' => $offset,
148		]) . "#elgg-object-{$comment->guid}";
149
150		forward($url);
151		}
152
153		/**
154		* Setup the menu shown with a comment
155		*
156		* @param string $hook 'register'
157		* @param string $type 'menu:entity'
158		* @param \ElggMenuItem[] $return Array of \ElggMenuItem objects
159		* @param array $params Array of view vars
160		*
161		* @return array
162		* @access private
163		*/
164		function _elgg_comment_setup_entity_menu($hook, $type, $return, $params) {
165		if (elgg_in_context('widgets')) {
166		return $return;
167		}
168
169		$entity = $params['entity'];
170		if (!elgg_instanceof($entity, 'object', 'comment')) {
171		return $return;
172		}
173
174		// Remove edit link and access level from the menu
175		foreach ($return as $key => $item) {
176		if ($item->getName() === 'access') {
177		unset($return[$key]);
178		}
179		}
180
181		return $return;
182		}
183
184		/**
185		* Format and return the URL for a comment.
186		*
187		* This is the container's URL because comments don't have their own page.
188		*
189		* @param string $hook 'entity:url'
190		* @param string $type 'object'
191		* @param string $return URL for entity
192		* @param array $params Array with the elgg entity passed in as 'entity'
193		*
194		* @return string
195		* @access private
196		*/
197		function _elgg_comment_url_handler($hook, $type, $return, $params) {
198		$entity = $params['entity'];
199		/* @var \ElggObject $entity */
200
201		if (!elgg_instanceof($entity, 'object', 'comment') \|\| !$entity->getOwnerEntity()) {
202		// not a comment or has no owner
203
204		// @todo handle anonymous comments
205		return $return;
206		}
207
208		$container = $entity->getContainerEntity();
209		if (!$container) {
210		return $return;
211		}
212
213		return "comment/view/{$entity->guid}/{$container->guid}";
214		}
215
216		/**
217		* Allow users to comment on entities not owned by them.
218		*
219		* Object being commented on is used as the container of the comment so
220		* permission check must be overridden if user isn't the owner of the object.
221		*
222		* @param string $hook 'container_permissions_check'
223		* @param string $type 'object'
224		* @param boolean $return Can the current user write to this container?
225		* @param array $params Array of parameters (container, user, subtype)
226		*
227		* @return array
228		* @access private
229		* @todo this doesn't seem to make a difference if a user can comment or not
230		*/
231		function _elgg_comments_container_permissions_override($hook, $type, $return, $params) {
232
233		// is someone trying to comment, if so override permissions check
234		if ($params['subtype'] === 'comment') {
235		return true;
236		}
237
238		return $return;
239		}
240
241		/**
242		* By default, only authors can edit their comments.
243		*
244		* @param string $hook 'permissions_check'
245		* @param string $type 'object'
246		* @param boolean $return Can the given user edit the given entity?
247		* @param array $params Array of parameters (entity, user)
248		*
249		* @return boolean Whether the given user is allowed to edit the given comment.
250		*/
251		function _elgg_comments_permissions_override($hook, $type, $return, $params) {
252		$entity = $params['entity'];
253		$user = $params['user'];
254
255		if (elgg_instanceof($entity, 'object', 'comment') && $user) {
256		return $entity->getOwnerGUID() == $user->getGUID();
257		}
258
259		return $return;
260		}
261
262		/**
263		* Set subject for email notifications about new ElggComment objects
264		*
265		* The "Re: " part is required by some email clients in order to properly
266		* group the notifications in threads.
267		*
268		* Group discussion replies extend ElggComment objects so this takes care
269		* of their notifications also.
270		*
271		* @param string $hook 'email'
272		* @param string $type 'system'
273		* @param array $returnvalue Current mail parameters
274		* @param array $params Original mail parameters
275		* @return array $returnvalue Modified mail parameters
276		*/
277		function _elgg_comments_notification_email_subject($hook, $type, $returnvalue, $params) {
278		if (!is_array($returnvalue)) {
279		// another hook handler returned a non-array, let's not override it
280		return;
281		}
282
283		if (empty($returnvalue['params']['notification'])) {
284		return;
285		}
286
287		/** @var Elgg\Notifications\Notification */
288		$notification = $returnvalue['params']['notification'];
289
290		if ($notification instanceof Elgg\Notifications\Notification) {
291		$object = elgg_extract('object', $notification->params);
292
293		if ($object instanceof ElggComment) {
294		$container = $object->getContainerEntity();
295
296		$returnvalue['subject'] = 'Re: ' . $container->getDisplayName();
297		}
298		}
299
300		return $returnvalue;
301		}
302
303		/**
304		* Update comment access to match that of the container
305		*
306		* @param string $event 'update:after'
307		* @param string $type 'all'
308		* @param ElggEntity $entity The updated entity
309		* @return bool
310		*
311		* @access private
312		*/
313		function _elgg_comments_access_sync($event, $type, $entity) {
314		if (!($entity instanceof \ElggEntity)) {
315		return true;
316		}
317
318		// need to override access in case comments ended up with ACCESS_PRIVATE
319		// and to ensure write permissions
320		$ia = elgg_set_ignore_access(true);
321		$options = array(
322		'type' => 'object',
323		'subtype' => 'comment',
324		'container_guid' => $entity->getGUID(),
325		'wheres' => array(
326		"e.access_id != {$entity->access_id}"
327		),
328		'limit' => 0,
329		);
330
331		$batch = new \ElggBatch('elgg_get_entities', $options, null, 25, false);
332		foreach ($batch as $comment) {
333		// Update comment access_id
334		$comment->access_id = $entity->access_id;
335		$comment->save();
336		}
337
338		elgg_set_ignore_access($ia);
339
340		return true;
341		}
342
343		/**
344		* Runs unit tests for \ElggComment
345		*
346		* @param string $hook unit_test
347		* @param string $type system
348		* @param mixed $value Array of tests
349		* @param mixed $params Params
350		*
351		* @return array
352		* @access private
353		*/
354		function _elgg_comments_test($hook, $type, $value, $params) {
355		global $CONFIG;
356		$value[] = "{$CONFIG->path}engine/tests/ElggCommentTest.php";
357		return $value;
358		}
359
360		return function(\Elgg\EventsService $events, \Elgg\HooksRegistrationService $hooks) {
361		$events->registerHandler('init', 'system', '_elgg_comments_init');
362		$hooks->registerHandler('unit_test', 'system', '_elgg_comments_test');
363		};
364

gctools-outilsgc / gcconnex

comments.php ➔ _elgg_comments_init() A last analyzed 2021-05-27 17:40 UTC

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comments.php ➔ _elgg_comments_init() A
last analyzed 2021-05-27 17:40 UTC