gianism / functions.php

functions.php in Gianism 2.0.0, at functions.php

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1	<?php
2	/**
3	* Global functions for Gianism.
4	*
5	* @package Gianism
6	* @since 1.0
7	* @author Takahashi Fumiki
8	*/
9
10	/**
11	* Class auto loader
12	*
13	* Load base class and vendor libraries.
14	*
15	* @ignore
16	* @param string $class_name
17	*/
18	function _gianism_autoloader($class_name){
19	$class_name = ltrim($class_name, '\\');
20	$vendor_dir = __DIR__.DIRECTORY_SEPARATOR.'vendor';
21	$path = false;
22	switch( $class_name ){
23	case 'Facebook':
24	$path = implode(DIRECTORY_SEPARATOR, array( $vendor_dir, 'facebook-php-sdk', 'src', 'facebook.php' ));
25	break;
26	case 'TwitterOAuth':
27	$path = implode(DIRECTORY_SEPARATOR, array($vendor_dir, 'twitteroauth', 'twitteroauth', 'twitteroauth.php'));
28	break;
29	case 'OAuthException':
30	case 'OAuthConsumer':
31	case 'OAuthToken':
32	case 'OAuthSignatureMethod':
33	case 'OAuthSignatureMethod_HMAC_SHA1':
34	case 'OAuthSignatureMethod_PLAINTEXT':
35	case 'OAuthSignatureMethod_RSA_SHA1':
36	case 'OAuthRequest':
37	case 'OAuthServer':
38	case 'OAuthDataStore':
39	case 'OAuthUtil':
40	require_once implode(DIRECTORY_SEPARATOR, array($vendor_dir, 'twitteroauth', 'twitteroauth', 'OAuth.php'));
41	return;
42	break;
43	case 'JWT':
44	$path = implode(DIRECTORY_SEPARATOR, array($vendor_dir, 'jwt', 'JWT.php'));
45	break;
46	default:
47	if( 0 === strpos( $class_name, 'Gianism\\') ){
48	// Original Class
49	$base_dir = __DIR__.DIRECTORY_SEPARATOR.'app';
50	$path_segments = explode('\\', $class_name);
51	$path_segments[0] = $base_dir;
52	$path = implode(DIRECTORY_SEPARATOR, array_map(function($path){
53	return strtolower(preg_replace_callback('/(?<!^)([A-Z]+)/u', function($matches){
54	return strtolower('-'.$matches[1]);
55	}, $path));
56	}, $path_segments)).'.php';
57	}elseif( 0 === strpos( $class_name, 'Google_') ){
58	// Google
59	$path_segments = explode('_', $class_name);
60	$path = implode(DIRECTORY_SEPARATOR, array_merge(
61	array($vendor_dir, 'google-api-php-client', 'src'),
62	$path_segments
63	)).'.php';
64	}elseif( 0 === strpos($class_name, 'YConnect\\')){
65	// YConnect
66	$path = str_replace('YConnect\\', implode(DIRECTORY_SEPARATOR, array($vendor_dir, 'yconnect-php-sdk', 'lib', '')), $class_name).'.php';
67	}
68	break;
69	}
70	if( $path && file_exists($path)){
71	require $path;
72	}
73	}
74
75	/**
76	* Save message to specified user
77	*
78	* If user's email is pseudo one(e.g. example@pseudo.twitter.com),
79	* WordPress's mail function <code>wp_mail</code> fails.
80	* This function is originally used for <code>wp_mail</code> fallback.
81	* But you can use this function to send message which will be
82	* displayed on admin screen.
83	*
84	* @param int $user_id
85	* @param string $body
86	* @param int $from
87	* @param string $subject
88	* @return bool
89	*/
90	function gianism_message($user_id, $body, $from = 0, $subject = '' ){
91	/** @var \Gianism\Message $gianism */
92	$gianism = \Gianism\Message::get_instance();
93	return $gianism->send_message($user_id, $body, $from, $subject);
94	}
95
96	/**
97	* Returns Facebook ID
98	*
99	* @since 1.0
100	* @param int $user_id
101	* @return string
102	*/
103	function get_facebook_id($user_id){
104	/** @var \Gianism\Service\Facebook $facebook */
105	$facebook = \Gianism\Service\Facebook::get_instance();
106	return get_user_meta($user_id, $facebook->umeta_id, true);
107	}
108
109
110
111	/**
112	* Returns url to get Publish stream permission
113	*
114	* This function itself has no effect without action hook.
115	* See example below:
116	*
117	* <pre>
118	* // In some template, display button.
119	* get_facebook_publish_permission_link(get_permalink(), 'my_favorite_action', array('post_id' => get_the_ID()));
120	*
121	* // Then, hook action in functions.php in your theme.
122	* add_action('my_favorite_action', 'my_publish_action');
123	*
124	* function my_publish_action($facebook, $args){
125	* $post = get_post($args['post_id']);
126	* try{
127	* $facebook->api("/me/feed", "POST", array(
128	* "message" => "I read this article!",
129	* "link" => get_permalink($post->ID),
130	* "name" => get_the_title($post->ID),
131	* "description" => strip_tags($post->post_content),
132	* "action" => json_encode(array(
133	* "name" => get_bloginfo('name'),
134	* "link" => home_url('/')))
135	* ));
136	* }catch(FacebookApiException $e){
137	* // Error
138	* wp_die($e->getMessage());
139	* }
140	* }
141	* </pre>
142	*
143	* @since 1.3
144	* @param string $redirect_url URL where user will be redirect afeter authentication
145	* @param string $action Action name which will be fired after authenticaction
146	* @param array $args Array which will be passed to action hook
147	* @return string
148	*/
149	function get_facebook_publish_permission_link($redirect_url = null, $action = '', $args = array()){
150	/** @var \Gianism\Service\Facebook $facebook */
151	$facebook = \Gianism\Service\Facebook::get_instance();
152	return $facebook->get_publish_permission_link($redirect_url, $action, $args);
153	}
154
155
156
157	/**
158	* Returns if user is connected with particular web service.
159	*
160	* @since 1.0
161	* @param string $service One of facebook, mixi, yahoo, twitter or google.
162	* @param int $user_id If not specified, current user id will be used.
163	* @return boolean
164	*/
165	function is_user_connected_with($service, $user_id = 0){
166	/** @var \Gianism\Bootstrap $gianism */
167	$gianism = \Gianism\Bootstrap::get_instance();
168	if(!$user_id){
169	$user_id = get_current_user_id();
170	}
171	return ($instance = $gianism->get_service_instance($service) ) && $instance->is_connected($user_id);
172	}
173
174
175
176	/**
177	* Get user object by credencial
178	*
179	* Only facebook is supported.
180	*
181	* @todo Make other services to work.
182	* @global \wpdb $wpdb
183	* @since 1.0
184	* @param string $service
185	* @param mixed $credential
186	* @return \WP_User
187	*/
188	function get_user_by_service($service, $credential){
189	global $wpdb;
190	$gianism = \Gianism\Bootstrap::get_instance();
191	$instance = $gianism->get_instance($service);
192	if(!$instance){
193	return false;
194	}
195	switch($service){
196	case 'facebook':
197	$user_id = $wpdb->get_var($wpdb->prepare("SELECT user_id FROM {$wpdb->usermeta} WHERE meta_key = '{$instance->umeta_id}' AND meta_value = %s", $credential));
198	if($user_id){
199	return new WP_User($user_id);
200	}else{
201	return null;
202	}
203	break;
204	default:
205	return null;
206	break;
207	}
208	}
209
210
211
212	/**
213	* Returns if current user liked or not.
214	*
215	* You can use this function only on Facebook fan page tab.
216	*
217	* @since 1.0
218	* @return boolean
219	*/
220	function is_user_like_fangate(){
221	/** @var \Gianism\Service\Facebook $fb */
222	$fb = \Gianism\Service\Facebook::get_instance();
223	return $fb->is_user_like_me_on_fangate();
224	}
225
226
227
228	/**
229	* Returns if current user is guest.
230	*
231	* Valid only on facebook fan gate.
232	*
233	* @since 1.0
234	* @return boolean
235	*/
236	function is_guest_on_fangate(){
237	/** @var \Gianism\Service\Facebook $fb */
238	$fb = \Gianism\Service\Facebook::get_instance();
239	return $fb->is_guest_on_fangate();
240	}
241
242
243
244	/**
245	* Returns if current user has wordpress account.
246	*
247	* You can this function only on Facebook fan page tab.
248	*
249	* @global \wpdb $wpdb
250	* @param string $service
251	* @return boolean
252	*/
253	function is_user_registered_with($service){
254	global $wpdb;
255	$gianism = \Gianism\Bootstrap::get_instance();
256	$instance = $gianism->get_instance($service);
257	switch($service){
258	case 'facebook':
259	$user_id = get_user_id_on_fangate();
260	$sql = <<<EOS
261	SELECT user_id FROM {$wpdb->usermeta}
262	WHERE meta_key = '{$instance->umeta_id}' AND meta_value = %s
263	EOS;
264	return $wpdb->get_var($wpdb->prepare($sql, $signed['user_id']));
265	break;
266	default:
267	return false;
268	break;
269	}
270	}
271
272
273
274	/**
275	* Returns facebook id on fan gate.
276	*
277	* @since 1.0
278	* @return string\|boolean
279	*/
280	function get_user_id_on_fangate(){
281	/** @var \Gianism\Service\Facebook $fb */
282	$fb = \Gianism\Service\Facebook::get_instance();
283	return $fb->is_registered_user_on_fangate();
284	}
285
286
287
288	/**
289	* Get Twitter Screen Name
290	*
291	* @since 1.2
292	* @param int $user_id
293	* @return string\|false
294	*/
295	function get_twitter_screen_name($user_id){
296	/** @var \Gianism\Service\Twitter $twitter */
297	$twitter = \Gianism\Service\Twitter::get_instance();
298	return get_user_meta($user_id, $twitter->umeta_screen_name, true);
299	}
300
301
302
303	/**
304	* Update Twitter timeline
305	*
306	* @since 1.3
307	* @param string $string
308	*/
309	function update_twitter_status($string){
310	/** @var \Gianism\Service\Twitter $twitter */
311	$twitter = \Gianism\Service\Twitter::get_instance();
312	$twitter->tweet($string);
313	}
314
315	/**
316	* Reply to specified user by Owner Account
317	*
318	* @since 1.0
319	* @param int $user_id
320	* @param string $string
321	* @return boolean
322	*/
323	function twitter_reply_to($user_id, $string){
324	$screen_name = get_twitter_screen_name($user_id);
325	if($screen_name){
326	update_twitter_status("@{$screen_name} ".$string);
327	return true;
328	}else{
329	return false;
330	}
331	}
332
333	/**
334	* Get twitter time line in JSON format object
335	*
336	* Caching is recommended.
337	*
338	* <pre>
339	* $timeline = get_transient('twitter_timeline');
340	* if( false === $timeline){
341	* $timeline = twitter_get_timeline('my_screen_name');
342	* set_transient('twitter_timeline', $timeline, 3600);
343	* }
344	* foreach($timeline as $status){
345	* // Echo status
346	* }
347	* </pre>
348	*
349	* @since 1.3
350	* @param string $screen_name If not specified, admin user's screen name will be used.
351	* @param array $additional_data
352	* @return object JSON format object.
353	*/
354	function twitter_get_timeline($screen_name = null, array $additional_data = array()){
355	/** @var \Gianism\Service\Twitter $twitter */
356	$twitter = \Gianism\Service\Twitter::get_instance();
357	if(is_null($screen_name)){
358	$screen_name = $twitter->tw_screen_name;
359	}
360	return $twitter->call_api('statuses/user_timeline', array_merge(
361	array('screen_name' => $screen_name),
362	$additional_data
363	));
364	}
365
366	/**
367	* Show Login buttons
368	*
369	* Show login buttons where you want.
370	*
371	* @since 1.0
372	* @param string $before
373	* @param string $after
374	*/
375	function gianism_login($before = '', $after = ''){
376	/** @var \Gianism\Login $login */
377	$login = \Gianism\Login::get_instance();
378	$login->login_form($before, $after);
379	}
380
381	/**
382	* Detect if user is geek
383	*
384	* Geek means user is connected with Github.
385	*
386	* @since 2.0.0
387	* @param int $user_id
388	* @return bool
389	*/
390	function is_geek($user_id){
391	/** @var \Gianism\Service\Github $github */
392	$github = \Gianism\Service\Github::get_instance();
393	return (bool)get_user_meta($user_id, $github->umeta_id);
394	}
395
396	/**
397	* Detect if current user is geek
398	*
399	* @since 2.0.0
400	* @see is_geek
401	* @return bool
402	*/
403	function is_current_user_geek(){
404	return is_geek(get_current_user_id());
405	}
406