gianism / functions.php

functions.php in Gianism 4.0.0, 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
12
13
14	/**
15	* Returns if user is connected with particular web service.
16	*
17	* @package Gianism
18	* @since 3.0.0
19	*
20	* @param string $service One of facebook, mixi, yahoo, twitter or google.
21	* @param int $user_id If not specified, current user id will be used.
22	*
23	* @return boolean
24	*/
25	function gianism_is_user_connected_with( $service, $user_id = 0 ) {
26	/** @var \Gianism\Bootstrap $gianism */
27	$gianism = \Gianism\Bootstrap::get_instance();
28	if ( ! $user_id ) {
29	$user_id = get_current_user_id();
30	}
31
32	return ( $instance = $gianism->service->get( $service ) ) && $instance->is_connected( $user_id );
33	}
34
35
36	/**
37	* Get user object by credential
38	*
39	* Only facebook is supported.
40	*
41	* @todo Make other services to work.
42	* @package Gianism
43	* @since 3.0.0
44	* @global \wpdb $wpdb
45	* @param string $service
46	* @param mixed $credential
47	*
48	* @return \WP_User
49	*/
50	function gianism_get_user_by_service( $service, $credential ) {
51	global $wpdb;
52	$gianism = \Gianism\Bootstrap::get_instance();
53	$instance = $gianism->service->get( $service );
54	if ( ! $instance ) {
55	return false;
56	}
57	switch ( $service ) {
58	case 'facebook':
59	$user_id = $wpdb->get_var( $wpdb->prepare( "SELECT user_id FROM {$wpdb->usermeta} WHERE meta_key = '{$instance->umeta_id}' AND meta_value = %s", $credential ) );
60	if ( $user_id ) {
61	return new WP_User( $user_id );
62	} else {
63	return null;
64	}
65	break;
66	default:
67	return null;
68	break;
69	}
70	}
71
72	/**
73	* Show Login buttons
74	*
75	* Show login buttons where you want.
76	*
77	* @package Gianism
78	* @since 1.0
79	*
80	* @param string $before
81	* @param string $after
82	* @param string $redirect_to
83	*/
84	function gianism_login( $before = '', $after = '', $redirect_to = '' ) {
85	/** @var \Gianism\Controller\Login $login */
86	$login = \Gianism\Controller\Login::get_instance();
87	$login->login_form( $before, $after, false, $redirect_to );
88	}
89
90	/**
91	* Add UTM campaign link to WordPress admin
92	*
93	* @package Gianism
94	* @since 3.0.0
95	* @internal
96	* @param string $url
97	* @param array $args
98	*
99	* @return string
100	*/
101	function gianism_utm_link( $url, $args = [] ) {
102	$args = wp_parse_args( $args, [
103	'utm_source' => 'wp-admin',
104	'utm_medium' => 'link',
105	'utm_campaign' => 'Plugin User',
106	] );
107	return add_query_arg( $args, $url );
108	}
109
110	/**
111	* Detect if WooCommerce is activated
112	*
113	* @package Gianism
114	* @since 3.0.5
115	* @return bool
116	*/
117	function gianism_woocommerce_detected() {
118	return class_exists( 'WooCommerce' );
119	}
120