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1 | <?php |
2 | /** |
3 | * Block class. |
4 | * |
5 | * This is useful for registering custom gutenberg block to |
6 | * add `Login with Google` button in desired place. |
7 | * |
8 | * Particularly useful in FSE. |
9 | * |
10 | * @package RtCamp\GoogleLogin |
11 | * @since 1.2.3 |
12 | */ |
13 | |
14 | declare( strict_types=1 ); |
15 | |
16 | namespace RtCamp\GoogleLogin\Modules; |
17 | |
18 | use RtCamp\GoogleLogin\Utils\Helper; |
19 | use RtCamp\GoogleLogin\Utils\GoogleClient; |
20 | use RtCamp\GoogleLogin\Interfaces\Module; |
21 | use function RtCamp\GoogleLogin\plugin; |
22 | |
23 | /** |
24 | * Class Block. |
25 | * |
26 | * @package RtCamp\GoogleLogin\Modules |
27 | */ |
28 | class Block implements Module { |
29 | |
30 | /** |
31 | * Script handle. |
32 | * |
33 | * @var string |
34 | */ |
35 | const SCRIPT_HANDLE = 'google-login-block'; |
36 | |
37 | /** |
38 | * Assets object. |
39 | * |
40 | * @var Assets |
41 | */ |
42 | public $assets; |
43 | |
44 | /** |
45 | * Google client. |
46 | * |
47 | * @var GoogleClient |
48 | */ |
49 | public $client; |
50 | |
51 | /** |
52 | * Module name. |
53 | * |
54 | * @return string |
55 | */ |
56 | public function name(): string { |
57 | return 'google_login_block'; |
58 | } |
59 | |
60 | /** |
61 | * Block constructor. |
62 | * |
63 | * @param Assets $assets Assets object. |
64 | * @param GoogleClient $client Google client object. |
65 | */ |
66 | public function __construct( Assets $assets, GoogleClient $client ) { |
67 | $this->assets = $assets; |
68 | $this->client = $client; |
69 | } |
70 | |
71 | /** |
72 | * Initialization. |
73 | * |
74 | * @return void |
75 | */ |
76 | public function init(): void { |
77 | add_action( |
78 | 'wp_enqueue_scripts', |
79 | [ $this->assets, 'register_login_styles' ] |
80 | ); |
81 | |
82 | add_action( |
83 | 'enqueue_block_editor_assets', |
84 | [ $this, 'enqueue_block_editor_assets' ] |
85 | ); |
86 | |
87 | add_action( 'init', [ $this, 'register' ] ); |
88 | } |
89 | |
90 | /** |
91 | * Enqueue block editor assets. |
92 | * |
93 | * @return void |
94 | */ |
95 | public function enqueue_block_editor_assets() { |
96 | $this->assets->register_login_styles(); |
97 | $this->assets->register_script( |
98 | self::SCRIPT_HANDLE, |
99 | 'build/js/block-button.js', |
100 | [ |
101 | 'wp-blocks', |
102 | 'wp-element', |
103 | 'wp-editor', |
104 | 'wp-components', |
105 | ], |
106 | filemtime( trailingslashit( plugin()->assets_dir ) . 'build/js/block-button.js' ), |
107 | false |
108 | ); |
109 | |
110 | wp_enqueue_script( self::SCRIPT_HANDLE ); |
111 | } |
112 | |
113 | /** |
114 | * Register the block. |
115 | * |
116 | * @return void |
117 | */ |
118 | public function register(): void { |
119 | register_block_type( |
120 | 'google-login/login-button', |
121 | [ |
122 | 'editor_style' => $this->assets::LOGIN_BUTTON_STYLE_HANDLE, |
123 | 'style' => $this->assets::LOGIN_BUTTON_STYLE_HANDLE, |
124 | 'render_callback' => [ $this, 'render_login_button' ], |
125 | 'attributes' => [ |
126 | 'buttonText' => [ |
127 | 'type' => 'string', |
128 | ], |
129 | 'forceDisplay' => [ |
130 | 'type' => 'boolean', |
131 | 'default' => false, |
132 | ], |
133 | ], |
134 | ] |
135 | ); |
136 | } |
137 | |
138 | /** |
139 | * Render callback for block. |
140 | * |
141 | * This will output the Login with Google |
142 | * button if user is not logged in currently. |
143 | * |
144 | * @param string $attributes Block attributes. |
145 | * |
146 | * @return string |
147 | */ |
148 | public function render_login_button( $attributes ): string { |
149 | /** |
150 | * This filter is useful where we want to forcefully display login button, |
151 | * even when user is already logged-in in system. |
152 | * |
153 | * @param bool $display flag to display button. Default false. |
154 | * |
155 | * @since 1.2.3 |
156 | */ |
157 | $force_display = $attributes['forceDisplay'] ?? false; |
158 | if ( $force_display || ! is_user_logged_in() || apply_filters( 'rtcamp.google_login_button_display', false ) ) { |
159 | $markup = $this->markup( |
160 | [ |
161 | 'login_url' => $this->client->authorization_url(), |
162 | 'custom_btn_text' => $attributes['buttonText'] ?? false, |
163 | 'force_display_block' => $attributes['forceDisplay'] ?? false, |
164 | ] |
165 | ); |
166 | |
167 | ob_start(); |
168 | ?> |
169 | <div class="wp_google_login"> |
170 | <?php echo wp_kses_post( $markup ); ?> |
171 | </div> |
172 | <?php |
173 | |
174 | return ob_get_clean(); |
175 | } |
176 | |
177 | return ''; |
178 | } |
179 | |
180 | /** |
181 | * Return markup for login button. |
182 | * |
183 | * @param array $args Arguments passed to template. |
184 | * |
185 | * @return string |
186 | */ |
187 | private function markup( array $args = [] ): string { |
188 | $args = wp_parse_args( |
189 | $args, |
190 | [ |
191 | 'login_url' => '#', |
192 | 'custom_btn_text' => '', |
193 | 'forceDisplay' => false, |
194 | ] |
195 | ); |
196 | |
197 | $template = trailingslashit( plugin()->template_dir ) . 'google-login-button.php'; |
198 | return Helper::render_template( $template, $args, false ); |
199 | } |
200 | } |