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<?php /** * Responsible for importing JSON recipes. * * @link http://bootstrapped.ventures * @since 5.8.0 * * @package WP_Recipe_Maker * @subpackage WP_Recipe_Maker/includes/admin/import / /* * Responsible for importing JSON recipes. * * @since 5.8.0 * @package WP_Recipe_Maker * @subpackage WP_Recipe_Maker/includes/admin/import * @author Brecht Vandersmissen <brecht@bootstrapped.ventures> / class WPRM_Import_Json extends WPRM_Import { /* * Get the UID of this import source. * * @since 5.8.0 / public function get_uid() { return 'json-ld'; } /* * Whether or not this importer requires a manual search for recipes. * * @since 5.8.0 / public function requires_search() { return true; } /* * Get the name of this import source. * * @since 5.8.0 / public function get_name() { return 'JSON-LD HTML Script'; } /* * Get HTML for the import settings. * * @since 5.8.0 / public function get_settings_html() { return ''; } /* * Get the total number of recipes to import. * * @since 5.8.0 / public function get_recipe_count() { $recipes_found = get_option( 'wprm_import_json_ld_recipes', array() ); return count( $recipes_found ); } /* * Search for recipes to import. * * @since 5.8.0 * @param int $page Page of recipes to import. / public function search_recipes( $page = 0 ) { $recipes = array(); $finished = false; $limit = 100; $offset = $limit $page; $args = array( 'post_type' => array( 'post', 'page' ), 'post_status' => 'any', 'orderby' => 'date', 'order' => 'DESC', 'posts_per_page' => $limit, 'offset' => $offset, ); $query = new WP_Query( $args ); if ( $query->have_posts() ) { $posts = $query->posts; foreach ( $posts as $post ) { $json_recipes = $this->get_json_ld_recipes( $post->post_content ); foreach ( $json_recipes as $index => $json_recipe ) { $name = isset( $json_recipe['json']['name'] ) ? $json_recipe['json']['name'] : __( 'Unknown', 'wp-recipe-maker' ); $recipe_id = $post->ID . '-' . $index; $recipes[ $recipe_id ] = array( 'name' => $name, 'url' => get_edit_post_link( $post->ID ), ); } } } else { $finished = true; } $found_recipes = 0 === $page ? array() : get_option( 'wprm_import_json_ld_recipes', array() ); $found_recipes = array_merge( $found_recipes, $recipes ); update_option( 'wprm_import_json_ld_recipes', $found_recipes, false ); $search_result = array( 'finished' => $finished, 'recipes' => count( $found_recipes ), ); return $search_result; } /** * Get a list of recipes that are available to import. * * @since 5.8.0 * @param int $page Page of recipes to get. / public function get_recipes( $page = 0 ) { $found_recipes = get_option( 'wprm_import_json_ld_recipes', array() ); $limit = 100; $offset = $limit $page; return array_slice( $found_recipes, $offset, $limit ); } /** * Get recipe with the specified ID in the import format. * * @since 5.8.0 * @param mixed $id ID of the recipe we want to import. * @param array $post_data POST data passed along when submitting the form. / public function get_recipe( $id, $post_data ) { $id_parts = explode( '-', $id, 2 ); $post_id = intval( $id_parts[0] ); $recipe_index = intval( $id_parts[1] ); $post = get_post( $post_id ); $recipes = $this->get_json_ld_recipes( $post->post_content ); $json_recipe = isset( $recipes[ $recipe_index ] ) ? $recipes[ $recipe_index ] : false; if ( $json_recipe ) { $recipe = array( 'import_id' => 0, // Set to 0 because we need to create a new recipe post. 'import_backup' => array( 'json_ld_script' => $json_recipe['html'], ), ); $json_recipe = $json_recipe['json']; // Featured Image. $image_url = false; if ( isset( $json_recipe['image'] ) ) { $image_url = is_array( $json_recipe['image'] ) ? $json_recipe['image'][0] : $json_recipe['image']; } $recipe['image_id'] = WPRM_Import_Helper::get_or_upload_attachment( $post_id, $image_url ); // Simple matching. $recipe['name'] = isset( $json_recipe['name'] ) ? $json_recipe['name'] : ''; $recipe['summary'] = isset( $json_recipe['description'] ) ? $json_recipe['description'] : ''; // Servings. $servings_attribute = isset( $json_recipe['recipeYield'] ) ? trim( $json_recipe['recipeYield'] ) : ''; $match = preg_match( '/^\s\d+/', $servings_attribute, $servings_array ); if ( 1 === $match ) { $servings = str_replace( ' ','', $servings_array[0] ); } else { $servings = ''; } $servings_unit = preg_replace( '/^\s\d+\s/', '', $servings_attribute ); $recipe['servings'] = $servings; $recipe['servings_unit'] = $servings_unit; // Cook times. $recipe['prep_time'] = isset( $json_recipe['prepTime'] ) ? $this->time_to_minutes( $json_recipe['prepTime'] ) : 0; $recipe['cook_time'] = isset( $json_recipe['cookTime'] ) ? $this->time_to_minutes( $json_recipe['cookTime'] ) : 0; $recipe['total_time'] = isset( $json_recipe['totalTime'] ) ? $this->time_to_minutes( $json_recipe['totalTime'] ) : 0; // Recipe Tags. $json_courses = isset( $json_recipe['recipeCategory'] ) ? $json_recipe['recipeCategory'] : array(); $courses = is_array( $json_courses ) ? $json_courses : array( $json_courses ); $json_cuisines = isset( $json_recipe['recipeCuisine'] ) ? $json_recipe['recipeCuisine'] : array(); $cuisines = is_array( $json_cuisines ) ? $json_cuisines : array( $json_cuisines ); $json_keywords = isset( $json_recipe['keywords'] ) ? $json_recipe['keywords'] : array(); $keywords = is_array( $json_keywords ) ? $json_keywords : array( $json_keywords ); $recipe['tags'] = array( 'course' => $courses, 'cuisine' => $cuisines, 'keyword' => $keywords, ); // Ingredients. $json_ingredients = isset( $json_recipe['recipeIngredient'] ) ? $json_recipe['recipeIngredient'] : array(); $ingredients = array(); $group = array( 'ingredients' => array(), 'name' => '', ); foreach ( $json_ingredients as $json_ingredient ) { $group['ingredients'][] = array( 'raw' => $json_ingredient, ); } $recipe['ingredients'] = array( $group ); // Instructions. $json_instructions = isset( $json_recipe['recipeInstructions'] ) ? $json_recipe['recipeInstructions'] : array(); $instructions = array(); $group = array( 'instructions' => array(), 'name' => '', ); foreach ( $json_instructions as $json_instruction ) { if ( is_array( $json_instruction ) ) { if ( isset( $json_instruction['@type'] ) && 'HowToSection' === $json_instruction['@type'] ) { $group['name'] = isset( $json_instruction['name'] ) ? $json_instruction['name'] : ''; if ( isset( $json_instruction['itemListElement'] ) && is_array( $json_instruction['itemListElement'] ) ) { foreach( $json_instruction['itemListElement'] as $item ) { if ( isset( $item['text'] ) ) { $group['instructions'][] = array( 'text' => $item['text'], 'image' => '', ); } } $instructions[] = $group; $group = array( 'instructions' => array(), 'name' => '', ); } } else { if ( isset( $json_instruction['text'] ) ) { $group['instructions'][] = array( 'text' => $json_instruction['text'], 'image' => '', ); } } } else { $group['instructions'][] = array( 'text' => $json_instruction, 'image' => '', ); } } $instructions[] = $group; $recipe['instructions'] = $instructions; // Recipe Nutrition. $recipe['nutrition'] = array(); $nutrition_mapping = array( 'serving_size' => 'servingSize', 'calories' => 'calories', 'fat' => 'fatContent', 'saturated_fat' => 'saturatedFatContent', 'unsaturated_fat' => 'unsaturatedFatContent', 'trans_fat' => 'transFatContent', 'carbohydrates' => 'carbohydrateContent', 'sugar' => 'sugarContent', 'fiber' => 'fiberContent', 'protein' => 'proteinContent', 'cholesterol' => 'cholesterolContent', 'sodium' => 'sodiumContent', ); $nutrition = isset( $json_recipe['nutrition'] ) ? $json_recipe['nutrition'] : array(); foreach ( $nutrition_mapping as $wprm_field => $json_field ) { $recipe['nutrition'][ $wprm_field ] = isset( $nutrition[ $json_field ] ) ? $nutrition[ $json_field ] : ''; } } else { $recipe = false; } return $recipe; } /** * Replace the original recipe with the newly imported WPRM one. * * @since 5.8.0 * @param mixed $id ID of the recipe we want replace. * @param mixed $wprm_id ID of the WPRM recipe to replace with. * @param array $post_data POST data passed along when submitting the form. / public function replace_recipe( $id, $wprm_id, $post_data ) { $id_parts = explode( '-', $id, 2 ); $post_id = intval( $id_parts[0] ); $recipe_index = intval( $id_parts[1] ); $post = get_post( $post_id ); $content = $post->post_content; $recipes = $this->get_json_ld_recipes( $content ); $json_recipe = isset( $recipes[ $recipe_index ] ) ? $recipes[ $recipe_index ] : false; $content = str_replace( $json_recipe['html'], '[wprm-recipe id="' . $wprm_id . '"]', $content ); $update_content = array( 'ID' => $post_id, 'post_content' => $content, ); wp_update_post( $update_content ); // Remove from found recipes. $found_recipes = get_option( 'wprm_import_json_ld_recipes', array() ); unset( $found_recipes[ $id ] ); update_option( 'wprm_import_json_ld_recipes', $found_recipes, false ); } /* * Get WordPress.com recipes that are used in this content. * * @since 5.8.0 * @param mixed $content Content to find recipes in. / private function get_json_ld_recipes( $content ) { $found_recipes = array(); if ( preg_match_all( '/<script([^>])>(.?)<\/script>/msi', $content, $matches ) && array_key_exists( 1, $matches ) ) { foreach ( $matches[1] as $key => $value ) { if ( false !== stripos( $value, 'application/ld+json' ) ) { $script_inner = $matches[2][ $key ]; if ( $script_inner ) { $json = json_decode( $script_inner, true ); if ( $json && isset( $json['@type'] ) && 'recipe' === strtolower( $json['@type'] ) ) { $found_recipes[] = array( 'html' => $matches[0][ $key ], 'json' => $json, ); } } } } } return $found_recipes; } /* * Convert time metadata to minutes. * * @since 5.8.0 * @param mixed $duration Time to convert. / private function time_to_minutes( $duration = 'PT' ) { $date_abbr = array( 'd' => 60 24, 'h' => 60, 'i' => 1, ); $result = 0; $arr = explode( 'T', $duration ); if ( isset( $arr[1] ) ) { $arr[1] = str_replace( 'M', 'I', $arr[1] ); } $duration = implode( 'T', $arr ); foreach ( $date_abbr as $abbr => $time ) { if ( preg_match( '/(\d+)' . $abbr . '/i', $duration, $val ) ) { $result += intval( $val[1] ) * $time; } } return $result; } }

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