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<?php |
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/** |
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* Ability Handler Class |
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* |
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* Handles fetching and processing abilities from |
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* the WordPress Abilities API. |
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* |
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* @package WordPress\AI\Experiments\Abilities_Explorer |
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* @since 0.2.0 |
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*/ |
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|
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declare( strict_types=1 ); |
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|
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namespace WordPress\AI\Experiments\Abilities_Explorer; |
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|
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if ( ! defined( 'ABSPATH' ) ) { |
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exit; |
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} |
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|
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/** |
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* Ability Handler Class |
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* |
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* Provides methods for retrieving, formatting, |
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* and invoking WordPress abilities. |
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* |
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* @since 0.2.0 |
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*/ |
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class Ability_Handler { |
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|
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/** |
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* Get all registered abilities. |
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* |
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* @since 0.2.0 |
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* |
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* @return array<array<string,mixed>> Array of abilities. |
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*/ |
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public static function get_all_abilities(): array { |
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return self::format_abilities( wp_get_abilities() ); |
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} |
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|
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/** |
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* Get a single ability by slug. |
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* |
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* @since 0.2.0 |
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* |
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* @param string $slug Ability slug (name). |
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* @return array<string,mixed>|null Ability data or null if not found. |
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*/ |
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public static function get_ability( string $slug ): ?array { |
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$ability = wp_get_ability( $slug ); |
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|
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if ( ! $ability ) { |
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return null; |
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} |
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|
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return self::format_single_ability( $ability ); |
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} |
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|
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/** |
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* Format abilities array. |
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* |
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* @since 0.2.0 |
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* |
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* @param array<\WP_Ability> $abilities Raw abilities array (WP_Ability objects). |
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* @return array<array<string,mixed>> Formatted abilities. |
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*/ |
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private static function format_abilities( array $abilities ): array { |
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if ( empty( $abilities ) ) { |
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return array(); |
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} |
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|
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$formatted = array(); |
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|
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foreach ( $abilities as $ability ) { |
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$formatted[] = self::format_single_ability( $ability ); |
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} |
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|
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return $formatted; |
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} |
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|
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/** |
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* Format a single ability. |
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* |
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* @since 0.2.0 |
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* |
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* @param \WP_Ability $ability Ability object. |
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* @return array<string,mixed> Formatted ability data. |
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*/ |
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private static function format_single_ability( \WP_Ability $ability ): array { |
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$name = $ability->get_name(); |
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$meta = $ability->get_meta(); |
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|
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return array( |
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'slug' => $name, |
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'name' => $ability->get_label(), |
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'description' => $ability->get_description(), |
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'provider' => self::detect_provider( $name, $meta ), |
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'origin' => self::detect_origin( $name ), |
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'category' => self::get_ability_category( $ability ), |
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'input_schema' => $ability->get_input_schema(), |
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'output_schema' => $ability->get_output_schema(), |
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'raw_data' => array( |
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'name' => $name, |
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'label' => $ability->get_label(), |
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'description' => $ability->get_description(), |
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'input_schema' => $ability->get_input_schema(), |
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'output_schema' => $ability->get_output_schema(), |
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'meta' => $meta, |
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), |
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); |
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} |
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|
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/** |
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* Get the category for an ability. |
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* |
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* @since 0.7.0 |
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* |
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* @param \WP_Ability $ability Ability object. |
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* @return string Category for the ability. |
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*/ |
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public static function get_ability_category( \WP_Ability $ability ): string { |
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$slug = $ability->get_name(); |
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$category_slug = $ability->get_category(); |
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|
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$category_label = esc_html__( 'Other', 'ai' ); |
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if ( ! empty( $category_slug ) ) { |
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$category_obj = wp_get_ability_category( $category_slug ); |
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if ( $category_obj ) { |
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$category_label = $category_obj->get_label(); |
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} |
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} |
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|
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/** |
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* Filters the final resolved category for a specific ability. |
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* |
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* Use this hook to explicitly override the category for a |
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* specific ability slug. |
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* |
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* Example: |
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* add_filter( 'wpai_ability_category', function( $category, $slug ) { |
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* if ( 'my-plugin/generate-meta-description' === $slug ) { |
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* return 'SEO'; |
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* } |
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* return $category; |
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* }, 10, 2 ); |
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* |
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* @since 0.7.0 |
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* |
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* @param string $category Resolved category for this ability. |
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* @param string $slug The full ability slug, e.g. 'my-plugin/do-thing'. |
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*/ |
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return (string) apply_filters( 'wpai_ability_category', $category_label, $slug ); |
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} |
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|
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/** |
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* Get translatable provider labels keyed by provider slug. |
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* |
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* @since 0.4.0 |
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* |
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* @return array<string,string> Map of provider slug to translated label. |
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*/ |
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public static function get_provider_labels(): array { |
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return array( |
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'Core' => __( 'Core', 'ai' ), |
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'Plugin' => __( 'Plugin', 'ai' ), |
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'Theme' => __( 'Theme', 'ai' ), |
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); |
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} |
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|
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/** |
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* Get the label for a provider. |
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* |
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* @since 0.4.0 |
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* |
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* @param string $provider Provider slug. |
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* @return string Provider label. |
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*/ |
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public static function get_provider_label( string $provider ): string { |
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return self::get_provider_labels()[ $provider ] ?? $provider; |
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} |
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|
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/** |
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* Detect ability provider (Core, Plugin, or Theme). |
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* |
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* @since 0.2.0 |
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* |
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* @param string $name Ability name (slug). |
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* @param array<string,mixed> $meta Ability metadata. |
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* @return string Provider type. |
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*/ |
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private static function detect_provider( string $name, array $meta ): string { |
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// Check if provider is explicitly set in meta. |
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if ( isset( $meta['provider'] ) ) { |
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return $meta['provider']; |
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} |
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|
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return self::detect_origin( $name ); |
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} |
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|
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/** |
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* Detects the origin (Core, Plugin, or Theme) of an ability from its name. |
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* |
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* Unlike the provider, which can be overridden with a custom label via the |
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* ability's `meta['provider']`, the origin always resolves to one of the |
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* three known buckets, so it is suitable for aggregate statistics. |
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* |
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* @since 1.3.0 |
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* |
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* @param string $name Ability name (slug). |
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* @return string Origin type: 'Core', 'Plugin', or 'Theme'. |
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*/ |
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private static function detect_origin( string $name ): string { |
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// Detect based on name prefix (namespace/ability format). |
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$parts = explode( '/', $name ); |
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if ( count( $parts ) === 2 ) { |
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$namespace = $parts[0]; |
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|
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// WordPress core abilities. |
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if ( in_array( $namespace, array( 'wordpress', 'wp', 'core' ), true ) ) { |
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return 'Core'; |
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} |
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|
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// Check if namespace matches active theme. |
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if ( get_stylesheet() === $namespace || get_template() === $namespace ) { |
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return 'Theme'; |
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} |
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} |
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|
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// Default to Plugin. |
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return 'Plugin'; |
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} |
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|
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/** |
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* Invoke an ability. |
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* |
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* @since 0.2.0 |
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* |
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* @param string $slug Ability name. |
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* @param mixed $input Input data. May be an array for object schemas or a |
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* scalar for non-object input schemas. |
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* @return array Result with success status and data/error. |
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* |
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* @phpstan-return array{ |
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* success: bool, |
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* code?: int|string, |
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* data?: mixed, |
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* error?: string, |
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* } |
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*/ |
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public static function invoke_ability( string $slug, $input = null ): array { |
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$ability = wp_get_ability( $slug ); |
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|
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if ( ! $ability ) { |
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return array( |
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'success' => false, |
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'error' => sprintf( 'Ability "%s" not found', $slug ), |
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); |
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} |
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|
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// If ability has no input schema, invoke without input. |
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$input_schema = $ability->get_input_schema(); |
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if ( empty( $input_schema ) ) { |
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$result = $ability->execute(); |
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} else { |
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$result = $ability->execute( $input ); |
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} |
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|
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// Check if result is WP_Error. |
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if ( is_wp_error( $result ) ) { |
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return array( |
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'success' => false, |
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'error' => $result->get_error_message(), |
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'code' => $result->get_error_code(), |
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'data' => $result->get_error_data(), |
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); |
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} |
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|
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return array( |
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'success' => true, |
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'data' => $result, |
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); |
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} |
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|
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/** |
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* Validate input against input schema. |
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* |
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* @since 0.2.0 |
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* |
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* @param array<string,mixed> $schema Input schema. |
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* @param mixed $input Input data to validate. |
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* @return array<string,bool|array<string>> Validation result. |
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*/ |
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public static function validate_input( array $schema, $input ): array { |
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$errors = array(); |
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|
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if ( empty( $schema ) ) { |
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return array( |
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'valid' => true, |
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'errors' => array(), |
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); |
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} |
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|
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// Basic JSON Schema validation. |
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if ( isset( $schema['required'] ) && is_array( $schema['required'] ) ) { |
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foreach ( $schema['required'] as $required_field ) { |
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if ( isset( $input[ $required_field ] ) ) { |
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continue; |
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} |
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|
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$errors[] = sprintf( 'Required field "%s" is missing', $required_field ); |
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} |
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} |
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|
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// Type and constraint validation for properties. |
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if ( isset( $schema['properties'] ) && is_array( $schema['properties'] ) ) { |
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foreach ( $schema['properties'] as $prop_name => $prop_schema ) { |
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if ( ! isset( $input[ $prop_name ] ) || ! is_array( $prop_schema ) ) { |
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continue; |
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} |
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|
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$errors = array_merge( |
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$errors, |
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self::validate_property( (string) $prop_name, $input[ $prop_name ], $prop_schema ) |
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); |
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} |
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} |
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|
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return array( |
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'valid' => empty( $errors ), |
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'errors' => $errors, |
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); |
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} |
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|
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/** |
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* Validate a property value against a schema. |
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* |
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* @since 1.0.2 |
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* |
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* @param string $prop_name Property name. |
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* @param mixed $value Property value. |
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* @param array<string,mixed> $prop_schema Property schema. |
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* @return array<string> Validation errors. |
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*/ |
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private static function validate_property( string $prop_name, $value, array $prop_schema ): array { |
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$errors = array(); |
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|
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if ( isset( $prop_schema['type'] ) ) { |
| 348 |
$valid = self::validate_type( $value, $prop_schema['type'] ); |
| 349 |
if ( ! $valid ) { |
| 350 |
return array( |
| 351 |
sprintf( |
| 352 |
'Field "%s" should be of type "%s"', |
| 353 |
$prop_name, |
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$prop_schema['type'] |
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), |
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); |
| 357 |
} |
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} |
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|
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if ( isset( $prop_schema['enum'] ) && is_array( $prop_schema['enum'] ) && ! in_array( $value, $prop_schema['enum'], true ) ) { |
| 361 |
$errors[] = sprintf( |
| 362 |
'Field "%s" must be one of: %s', |
| 363 |
$prop_name, |
| 364 |
implode( ', ', $prop_schema['enum'] ) |
| 365 |
); |
| 366 |
} |
| 367 |
|
| 368 |
if ( is_numeric( $value ) && isset( $prop_schema['minimum'] ) && $value < $prop_schema['minimum'] ) { |
| 369 |
$errors[] = sprintf( |
| 370 |
'Field "%s" must be at least %s', |
| 371 |
$prop_name, |
| 372 |
$prop_schema['minimum'] |
| 373 |
); |
| 374 |
} |
| 375 |
|
| 376 |
if ( is_numeric( $value ) && isset( $prop_schema['maximum'] ) && $value > $prop_schema['maximum'] ) { |
| 377 |
$errors[] = sprintf( |
| 378 |
'Field "%s" must be at most %s', |
| 379 |
$prop_name, |
| 380 |
$prop_schema['maximum'] |
| 381 |
); |
| 382 |
} |
| 383 |
|
| 384 |
return $errors; |
| 385 |
} |
| 386 |
|
| 387 |
/** |
| 388 |
* Validate value type. |
| 389 |
* |
| 390 |
* @since 0.2.0 |
| 391 |
* |
| 392 |
* @param mixed $value Value to validate. |
| 393 |
* @param string $expected_type Expected type. |
| 394 |
* @return bool Whether the value matches the expected type. |
| 395 |
*/ |
| 396 |
private static function validate_type( $value, string $expected_type ): bool { |
| 397 |
switch ( $expected_type ) { |
| 398 |
case 'string': |
| 399 |
return is_string( $value ); |
| 400 |
case 'number': |
| 401 |
return is_int( $value ) || is_float( $value ); |
| 402 |
case 'integer': |
| 403 |
return is_int( $value ) || ( is_float( $value ) && floor( $value ) === $value ); |
| 404 |
case 'boolean': |
| 405 |
return is_bool( $value ); |
| 406 |
case 'array': |
| 407 |
return is_array( $value ); |
| 408 |
case 'object': |
| 409 |
return is_object( $value ) || is_array( $value ); |
| 410 |
default: |
| 411 |
return true; |
| 412 |
} |
| 413 |
} |
| 414 |
|
| 415 |
/** |
| 416 |
* Get ability statistics. |
| 417 |
* |
| 418 |
* @since 0.2.0 |
| 419 |
* |
| 420 |
* @return array<string,int|array<string,int>> Statistics about registered abilities. |
| 421 |
*/ |
| 422 |
public static function get_statistics(): array { |
| 423 |
$abilities = self::get_all_abilities(); |
| 424 |
|
| 425 |
$stats = array( |
| 426 |
'total' => count( $abilities ), |
| 427 |
'by_provider' => array( |
| 428 |
'Core' => 0, |
| 429 |
'Plugin' => 0, |
| 430 |
'Theme' => 0, |
| 431 |
), |
| 432 |
); |
| 433 |
|
| 434 |
foreach ( $abilities as $ability ) { |
| 435 |
// Count by origin so abilities with a custom provider label still |
| 436 |
// land in their Core/Plugin/Theme bucket. |
| 437 |
if ( ! isset( $ability['origin'], $stats['by_provider'][ $ability['origin'] ] ) ) { |
| 438 |
continue; |
| 439 |
} |
| 440 |
|
| 441 |
++$stats['by_provider'][ $ability['origin'] ]; |
| 442 |
} |
| 443 |
|
| 444 |
return $stats; |
| 445 |
} |
| 446 |
} |
| 447 |
|