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refactor: split class-executor.php into 3 focused classes (300-line rule)

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Extract PRAutoBlogger_Generation_Lock (DB mutex) and
PRAutoBlogger_Ajax_Handlers (image/model/test AJAX) from the
482-line executor. Executor retains generation cron/AJAX + model
registry at 299 lines. Document background generation flow in
ARCHITECTURE.md.

Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>
This commit is contained in:
peptiderepo
2026-04-18 14:08:46 +07:00
parent 4c49e8593e
commit 41f1b13497
5 changed files with 339 additions and 224 deletions
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145
includes/class-ajax-handlers.php Normal file
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<?php
declare(strict_types=1);
/**
* AJAX endpoint handlers for PRAutoBlogger admin actions.
*
* What: Handles image generation, model registry, and connection test AJAX requests.
* Who calls it: PRAutoBlogger registers wp_ajax hooks that delegate to methods here.
* Dependencies: PRAutoBlogger_Image_Pipeline, PRAutoBlogger_Source_Collector,
* PRAutoBlogger_OpenRouter_Provider, PRAutoBlogger_Reddit_Provider,
* PRAutoBlogger_OpenRouter_Model_Registry, PRAutoBlogger_Logger.
*
* @see class-prautoblogger.php — Hook registration that wires these handlers.
* @see class-executor.php — Generation-related AJAX lives there (generate_now, status).
*/
class PRAutoBlogger_Ajax_Handlers {
/** @var PRAutoBlogger_OpenRouter_Model_Registry Model registry instance (shared with Executor). */
private PRAutoBlogger_OpenRouter_Model_Registry $model_registry;
/**
* @param PRAutoBlogger_OpenRouter_Model_Registry $model_registry Shared model registry.
*/
public function __construct( PRAutoBlogger_OpenRouter_Model_Registry $model_registry ) {
$this->model_registry = $model_registry;
}
/**
* AJAX handler: generate images for existing posts that lack them.
*
* Accepts a `post_id` parameter. Generates Image A (article-driven) and
* sets it as the featured image. Useful for retroactively adding images
* to posts published before image generation was enabled/fixed.
*
* Side effects: image provider API call, media library write, post meta update.
*/
public function on_ajax_generate_image(): void {
check_ajax_referer( 'prautoblogger_generate_image', 'nonce' );
if ( ! current_user_can( 'manage_options' ) ) {
wp_send_json_error( [ 'message' => __( 'Insufficient permissions.', 'prautoblogger' ) ], 403 );
return;
}
// Image generation can take 20-30s on Cloudflare Workers AI.
// phpcs:ignore WordPress.PHP.NoSilencedErrors.Discouraged
@set_time_limit( 120 );
$post_id = isset( $_POST['post_id'] ) ? absint( $_POST['post_id'] ) : 0;
if ( 0 === $post_id ) {
wp_send_json_error( [ 'message' => __( 'Missing post_id parameter.', 'prautoblogger' ) ] );
return;
}
$post = get_post( $post_id );
if ( ! $post ) {
wp_send_json_error( [ 'message' => sprintf( __( 'Post %d not found.', 'prautoblogger' ), $post_id ) ] );
return;
}
try {
$pipeline = new PRAutoBlogger_Image_Pipeline();
$article_data = [
'post_title' => $post->post_title,
'post_content' => $post->post_content,
];
// Retrieve original source IDs from post meta so Image B can generate
// a source-driven prompt even on retroactive regeneration.
$source_ids_json = get_post_meta( $post_id, '_prautoblogger_source_ids', true );
$source_ids = is_string( $source_ids_json ) ? json_decode( $source_ids_json, true ) : [];
$source_data = ( new PRAutoBlogger_Source_Collector() )->get_source_data_for_image(
is_array( $source_ids ) ? array_map( 'absint', $source_ids ) : []
);
// The pipeline sets featured image and Image B meta internally.
$result = $pipeline->generate_and_attach_images( $post_id, $article_data, $source_data );
wp_send_json_success( $result );
} catch ( \Throwable $e ) {
PRAutoBlogger_Logger::instance()->error(
sprintf( 'Retroactive image gen %s for post %d: %s', get_class( $e ), $post_id, $e->getMessage() ),
'image_pipeline'
);
wp_send_json_error( [ 'message' => $e->getMessage() ] );
}
}
/**
* AJAX handler: return the model registry for the admin model picker.
*
* Returns the full cached model list. If the registry is empty, triggers
* a refresh first. Called by the model-picker.js popup.
*
* Side effects: may trigger an OpenRouter API call if registry is empty.
*/
public function on_ajax_get_models(): void {
check_ajax_referer( 'prautoblogger_get_models', 'nonce' );
if ( ! current_user_can( 'manage_options' ) ) {
wp_send_json_error( [ 'message' => __( 'Insufficient permissions.', 'prautoblogger' ) ], 403 );
return;
}
$models = $this->model_registry->get_models();
// Auto-refresh if the registry has never been populated.
if ( empty( $models ) ) {
$this->model_registry->refresh( true );
$models = $this->model_registry->get_models();
}
wp_send_json_success( $models );
}
/**
* AJAX handler: test API connections (OpenRouter, Reddit).
*
* Accepts a `service` parameter: 'openrouter', 'reddit', or 'all'.
*
* Side effects: API calls to OpenRouter and/or Reddit to validate credentials.
*/
public function on_ajax_test_connection(): void {
check_ajax_referer( 'prautoblogger_test_connection', 'nonce' );
if ( ! current_user_can( 'manage_options' ) ) {
wp_send_json_error( [ 'message' => __( 'Insufficient permissions.', 'prautoblogger' ) ], 403 );
return;
}
$service = isset( $_POST['service'] ) ? sanitize_text_field( wp_unslash( $_POST['service'] ) ) : '';
$results = [];
if ( 'openrouter' === $service || 'all' === $service ) {
$results['openrouter'] = ( new PRAutoBlogger_OpenRouter_Provider() )->validate_credentials_detailed();
}
if ( 'reddit' === $service || 'all' === $service ) {
$reddit = new PRAutoBlogger_Reddit_Provider();
$is_ok = $reddit->validate_credentials();
$results['reddit'] = $is_ok
? [ 'status' => 'ok', 'message' => __( 'Reddit source available (RSS primary, .json fallback).', 'prautoblogger' ) ]
: [ 'status' => 'error', 'message' => __( 'Reddit sources unreachable (both RSS and .json failed).', 'prautoblogger' ) ];
}
wp_send_json_success( $results );
}
}