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<?php |
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/** |
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* Headless (browser-free) Gutenberg content insertion into an EXISTING post |
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* (FR-006, FR-009, FR-014) — the new capability this feature introduces. |
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* Modeled on this environment's own proven sandbox-abilities technique |
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* (research.md §3), reimplemented fresh here. |
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* |
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* @package Templately\Modules\McpAbilities\Editor |
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*/ |
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|
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namespace Templately\Modules\McpAbilities\Editor; |
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|
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use WP_Error; |
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|
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class GutenbergHeadlessInsert { |
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|
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/** |
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* @param int $post_id |
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* @param string $block_markup Processed block markup to append (from the |
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* `/import/insert` route's response `content`, research.md §3). |
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* @param string $base_hash md5 of `post_content` as last read by the caller (FR-014). |
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* @return array|WP_Error |
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*/ |
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public static function insert( int $post_id, string $block_markup, string $base_hash ) { |
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$post = get_post( $post_id ); |
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|
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if ( ! $post ) { |
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return new WP_Error( 'not_found', __( 'Target post not found.', 'templately' ) ); |
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} |
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|
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// A post already carrying Elementor data is not a Gutenberg document. |
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if ( ! empty( get_post_meta( $post_id, '_elementor_edit_mode', true ) ) ) { |
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return new WP_Error( 'platform_mismatch', __( 'The target post is an Elementor document, not Gutenberg.', 'templately' ) ); |
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} |
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|
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$current_hash = self::hash( $post_id ); |
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|
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if ( $current_hash !== $base_hash ) { |
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return new WP_Error( |
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'conflict', |
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__( 'The post changed since it was last read. Re-read it and retry.', 'templately' ), |
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[ 'current_state_hash' => $current_hash ] |
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); |
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} |
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|
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$blocks = parse_blocks( $post->post_content ); |
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$new_blocks = parse_blocks( $block_markup ); |
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$content = serialize_blocks( array_merge( $blocks, $new_blocks ) ); |
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|
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$updated = wp_update_post( [ 'ID' => $post_id, 'post_content' => $content ], true ); |
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|
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if ( is_wp_error( $updated ) ) { |
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return $updated; |
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} |
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|
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return [ |
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'target' => 'post', |
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'status' => 'success', |
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'post_id' => $post_id, |
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]; |
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} |
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|
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/** |
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* @param int $post_id |
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* @return string |
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*/ |
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public static function hash( int $post_id ): string { |
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$post = get_post( $post_id ); |
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|
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return md5( $post ? (string) $post->post_content : '' ); |
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} |
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} |
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|
