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GravityForms.php
294 lines
| 1 | <?php |
| 2 | /** |
| 3 | * GravityForms Class |
| 4 | * |
| 5 | * @package nitropack |
| 6 | */ |
| 7 | |
| 8 | namespace NitroPack\Integration\Plugin; |
| 9 | |
| 10 | use WP_Block_Type_Registry; |
| 11 | use WP_block; |
| 12 | |
| 13 | /** |
| 14 | * GravityForms Class |
| 15 | */ |
| 16 | class GravityForms { |
| 17 | |
| 18 | const STAGE = 'late'; |
| 19 | |
| 20 | |
| 21 | /** |
| 22 | * Check if plugin "Gravity Forms" is active |
| 23 | * |
| 24 | * @return bool |
| 25 | */ |
| 26 | public static function isActive() { //phpcs:ignore WordPress.NamingConventions.ValidFunctionName.MethodNameInvalid |
| 27 | |
| 28 | return class_exists( '\GFForms' ) ; |
| 29 | } |
| 30 | |
| 31 | /** |
| 32 | * Initialize the integration |
| 33 | * |
| 34 | * @param string $stage Stage. |
| 35 | * |
| 36 | * @return void |
| 37 | */ |
| 38 | public function init( $stage ) { //phpcs:ignore Generic.CodeAnalysis.UnusedFunctionParameter.Found |
| 39 | |
| 40 | if ($this -> isActive()) { |
| 41 | |
| 42 | add_filter( 'template_redirect', [$this, 'output_filter']); |
| 43 | |
| 44 | if (!wp_doing_ajax() && !wp_is_json_request()) { |
| 45 | add_filter( 'register_block_type_args', [$this, 'gf_block_type_args'], 999 ,2 ); |
| 46 | |
| 47 | add_action( 'init', function() { |
| 48 | remove_shortcode('gravityform'); |
| 49 | remove_shortcode('gravityforms'); |
| 50 | add_shortcode('gravityform', [$this, 'modify_gf_shortcode']); |
| 51 | add_shortcode('gravityforms', [$this, 'modify_gf_shortcode']); |
| 52 | }, 99); |
| 53 | } else { |
| 54 | add_action( 'wp_ajax_nitropack_gf_block_output_ajax', [$this, 'block_output_ajax'] ); |
| 55 | add_action( 'wp_ajax_nopriv_nitropack_gf_block_output_ajax', [$this, 'block_output_ajax'] ); |
| 56 | add_action( 'wp_ajax_nitropack_gf_shortcode_output_ajax', [$this, 'shortcode_output_ajax'] ); |
| 57 | add_action( 'wp_ajax_nopriv_nitropack_gf_shortcode_output_ajax', [$this, 'shortcode_output_ajax'] ); |
| 58 | } |
| 59 | } |
| 60 | } |
| 61 | |
| 62 | /** |
| 63 | * Filter for output content. |
| 64 | * |
| 65 | * @return void |
| 66 | */ |
| 67 | public function output_filter() { |
| 68 | |
| 69 | global $post; |
| 70 | |
| 71 | // Running only for single posts (any type) and pages. |
| 72 | if ( ! is_singular() ) { |
| 73 | return; |
| 74 | } |
| 75 | |
| 76 | // Gravity Forms form detected? Enqueue scripts and exit. |
| 77 | if ( false !== $this->check_gf( $post ) ) { |
| 78 | |
| 79 | wp_enqueue_script( 'nitropack-gf-ajax-script', NITROPACK_PLUGIN_DIR_URL . 'view/javascript/gravity_forms.js?np_v=' . NITROPACK_VERSION, array('jquery'), NITROPACK_VERSION, true ); |
| 80 | wp_localize_script( 'nitropack-gf-ajax-script', 'nitropack_gf_ajax', array( 'ajax_url' => admin_url( 'admin-ajax.php' ) ) ); |
| 81 | |
| 82 | return; |
| 83 | } |
| 84 | } |
| 85 | |
| 86 | /** |
| 87 | * Check if post/page has a GF shortcode or block. |
| 88 | * |
| 89 | * @param object $post Post Object. |
| 90 | */ |
| 91 | public function check_gf( $post ) { |
| 92 | |
| 93 | // Check for GF shortcode. |
| 94 | if ( true === $this->find_gf_shortcode( $post->post_content ) ) { |
| 95 | return true; |
| 96 | } |
| 97 | |
| 98 | // Check for a GF block or GF form in a reusable block. |
| 99 | if ( function_exists( 'has_block' ) && true === has_blocks( $post->ID ) ) { |
| 100 | |
| 101 | // Check for GF blocks. |
| 102 | if ( true === $this->find_gf_block( $post->post_content ) ) { |
| 103 | return true; |
| 104 | } |
| 105 | |
| 106 | // Additional check for GF forms in reusable blocks. |
| 107 | $blocks = parse_blocks( $post->post_content ); |
| 108 | |
| 109 | foreach ( $blocks as $block ) { |
| 110 | |
| 111 | // Skip block if empty or not a core/block. |
| 112 | if ( empty( $block['blockName'] ) || 'core/block' !== $block['blockName'] || empty( $block['attrs']['ref'] ) ) { |
| 113 | continue; |
| 114 | } |
| 115 | |
| 116 | // Check core/block found. |
| 117 | $reusable_block = get_post( $block['attrs']['ref'] ); |
| 118 | |
| 119 | if ( empty( $reusable_block ) || 'wp_block' !== $reusable_block->post_type ) { |
| 120 | continue; |
| 121 | } |
| 122 | |
| 123 | if ( true === $this->find_gf_shortcode( $reusable_block->post_content ) || true === $this->find_gf_block( $reusable_block->post_content ) ) { |
| 124 | return true; |
| 125 | } |
| 126 | } |
| 127 | } |
| 128 | |
| 129 | // If we're here, no form was detected. |
| 130 | return false; |
| 131 | } |
| 132 | |
| 133 | /** |
| 134 | * Check post content provided for a GF shortcode. |
| 135 | * |
| 136 | * @param string $post_content Post content. |
| 137 | */ |
| 138 | public function find_gf_shortcode( $post_content ) { |
| 139 | |
| 140 | // Check for a GF shortcode. |
| 141 | if ( has_shortcode( $post_content, 'gravityform' ) || has_shortcode( $post_content, 'gravityforms')) { |
| 142 | // Shortcode found! |
| 143 | return true; |
| 144 | } |
| 145 | // If we're here, there's no GF shortcode. |
| 146 | return false; |
| 147 | } |
| 148 | |
| 149 | /** |
| 150 | * Check post content provided for a GF block. |
| 151 | * |
| 152 | * @param string $post_content Post content. |
| 153 | */ |
| 154 | public function find_gf_block( $post_content ) { |
| 155 | |
| 156 | // Get GF blocks registered. |
| 157 | $gf_blocks = $this -> get_block_registered_names_list(); |
| 158 | |
| 159 | // Checking for GF blocks. |
| 160 | foreach ( $gf_blocks as $gf_block ) { |
| 161 | |
| 162 | if ( has_block( $gf_block, $post_content ) ) { |
| 163 | // Block found! |
| 164 | return true; |
| 165 | } |
| 166 | } |
| 167 | // If we're here, there's no GF block. |
| 168 | return false; |
| 169 | } |
| 170 | |
| 171 | /** |
| 172 | * Override gravity forms block render callback |
| 173 | * |
| 174 | * @param array $args Arguments for block. |
| 175 | * @param string $name Name of block. |
| 176 | * |
| 177 | * @return mixed |
| 178 | */ |
| 179 | public function gf_block_type_args( $args, $name ) { |
| 180 | |
| 181 | if ( strpos( $name, 'gravityforms/' ) !== false) { |
| 182 | |
| 183 | $args['render_callback'] = [$this, 'modify_gf_block']; |
| 184 | } |
| 185 | return $args; |
| 186 | } |
| 187 | |
| 188 | /** |
| 189 | * Modify gravity forms block render callback |
| 190 | * |
| 191 | * @param array $attributes The block attrbutes. |
| 192 | * @param string $content The block content. |
| 193 | * @param WP_block $block The block object. |
| 194 | * |
| 195 | * @return mixed |
| 196 | */ |
| 197 | public function modify_gf_block($attributes, $content, WP_block $block = null) { |
| 198 | |
| 199 | return '<div class="nitropack-gravityforms-block" data-block-name="'.esc_attr($block -> name).'" data-block-attributes="'.esc_attr(json_encode($attributes)).'"><img src="'.esc_url(NITROPACK_PLUGIN_DIR_URL . 'view/images/loading.gif').'" alt="loading" /></div>'; |
| 200 | } |
| 201 | |
| 202 | /** |
| 203 | * Get an array of the names of all registered blocks of Gravity Forms |
| 204 | * |
| 205 | * @return array $pattern_names |
| 206 | */ |
| 207 | private function get_block_registered_names_list() { |
| 208 | |
| 209 | $get_patterns = WP_Block_Type_Registry::get_instance()->get_all_registered(); |
| 210 | |
| 211 | $pattern_names = []; |
| 212 | |
| 213 | if ($get_patterns) { |
| 214 | foreach ($get_patterns as $pattern) { |
| 215 | $pattern = (array) $pattern; |
| 216 | $block_name = $pattern['name']; |
| 217 | |
| 218 | if (strpos($block_name, 'gravityforms/') !== false) { |
| 219 | $pattern_names[] = $block_name; |
| 220 | } |
| 221 | } |
| 222 | } |
| 223 | |
| 224 | return $pattern_names; |
| 225 | } |
| 226 | |
| 227 | /** |
| 228 | * Output ajax for Gravity Forms block |
| 229 | * |
| 230 | * @return void |
| 231 | */ |
| 232 | public function block_output_ajax(){ |
| 233 | |
| 234 | $block_name = isset($_GET['block_name']) ? sanitize_text_field(wp_unslash($_GET['block_name'])) : ''; //phpcs:ignore WordPress.Security.NonceVerification.Recommended |
| 235 | $block_attributes = isset($_GET['block_attributes']) ? sanitize_text_field(wp_unslash($_GET['block_attributes'])) : ''; //phpcs:ignore WordPress.Security.NonceVerification.Recommended |
| 236 | |
| 237 | if (!empty($block_name) && !empty($block_attributes)) { |
| 238 | |
| 239 | $block_type = WP_Block_Type_Registry::get_instance()->get_registered( $block_name ); |
| 240 | |
| 241 | if ( $block_type && !empty( $block_type ) ) { |
| 242 | |
| 243 | $block_attributes = json_decode($block_attributes, true); |
| 244 | |
| 245 | $block_attributes['ajax'] = 'true'; |
| 246 | |
| 247 | $block_shortcode = $block_type -> render($block_attributes, ''); |
| 248 | |
| 249 | echo do_shortcode( $block_shortcode); |
| 250 | |
| 251 | } |
| 252 | } |
| 253 | |
| 254 | wp_die(); |
| 255 | } |
| 256 | |
| 257 | |
| 258 | /** |
| 259 | * Override gravity forms shortcode render callback |
| 260 | * |
| 261 | * @param array $atts Attributes for shortcode. |
| 262 | * @param string $content Content of shortcode. |
| 263 | * |
| 264 | * @return string |
| 265 | */ |
| 266 | public function modify_gf_shortcode($atts, $content = null ) { |
| 267 | |
| 268 | return '<div class="nitropack-gravityforms-shortcode" data-shortcode-attributes="'.esc_attr(json_encode($atts)).'"><img src="'.esc_url(NITROPACK_PLUGIN_DIR_URL . 'view/images/loading.gif').'" alt="loading" /></div>'; |
| 269 | } |
| 270 | |
| 271 | /** |
| 272 | * Output ajax for Gravity Forms shortcode |
| 273 | * |
| 274 | * @return void |
| 275 | */ |
| 276 | public function shortcode_output_ajax(){ |
| 277 | |
| 278 | $shortcode_attributes = isset($_GET['shortcode-attributes']) ? sanitize_text_field(wp_unslash($_GET['shortcode-attributes'])) : ''; //phpcs:ignore WordPress.Security.NonceVerification.Recommended |
| 279 | |
| 280 | $shortcode_attributes = json_decode($shortcode_attributes, true); |
| 281 | |
| 282 | if (!empty($shortcode_attributes)) { |
| 283 | |
| 284 | $shortcode_attributes['ajax'] = 'true'; |
| 285 | |
| 286 | $shortcode_attribute_string = implode(' ', array_map(static function ($k, $v) { return "$k=\"$v\""; }, array_keys($shortcode_attributes), $shortcode_attributes)); |
| 287 | |
| 288 | echo do_shortcode( '[gravityform '.$shortcode_attribute_string.']'); |
| 289 | } |
| 290 | |
| 291 | wp_die(); |
| 292 | } |
| 293 | } |
| 294 |