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feat: add AJAX endpoint for retroactive image generation

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Adds wp_ajax_prautoblogger_generate_image so images can be generated
for existing posts that were published before image gen was enabled
or fixed. Uses set_time_limit(120) to handle the Cloudflare API
latency that caused fatals when run via Code Snippets init hook.

Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>
This commit is contained in:
peptiderepo
2026-04-18 00:39:10 +07:00
parent 2a734ba596
commit 0e44c52ad8
3 changed files with 59 additions and 0 deletions
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1
includes/admin/class-admin-page.php
View File

@@ -70,6 +70,7 @@ class PRAutoBlogger_Admin_Page {
wp_localize_script( 'prautoblogger-admin', 'prautobloggerAdmin', [
'ajaxUrl' => admin_url( 'admin-ajax.php' ),
'generateNonce' => wp_create_nonce( 'prautoblogger_generate_now' ),
'imageNonce' => wp_create_nonce( 'prautoblogger_generate_image' ),
'testNonce' => wp_create_nonce( 'prautoblogger_test_connection' ),
'reviewNonce' => wp_create_nonce( 'prautoblogger_review_queue' ),
'generatingText' => __( 'Generating...', 'prautoblogger' ),

57
includes/class-executor.php
View File

@@ -95,6 +95,63 @@ class PRAutoBlogger_Executor {
}
}
/**
* 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: Cloudflare 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,
];
$result = $pipeline->generate_and_attach_images( $post_id, $article_data, null );
// Set featured image if Image A was generated.
if ( ! empty( $result['image_a_id'] ) ) {
set_post_thumbnail( $post_id, $result['image_a_id'] );
}
wp_send_json_success( $result );
} catch ( \Exception $e ) {
PRAutoBlogger_Logger::instance()->error(
'Retroactive image gen failed for post ' . $post_id . ': ' . $e->getMessage(),
'image_pipeline'
);
wp_send_json_error( [ 'message' => $e->getMessage() ] );
}
}
/** AJAX handler: test API connections (OpenRouter, Reddit). */
public function on_ajax_test_connection(): void {
check_ajax_referer( 'prautoblogger_test_connection', 'nonce' );

1
includes/class-prautoblogger.php
View File

@@ -92,6 +92,7 @@ class PRAutoBlogger {
/** Register AJAX handlers for admin actions. */
private function register_ajax_hooks(): void {
add_action( 'wp_ajax_prautoblogger_generate_now', [ $this->executor, 'on_ajax_generate_now' ] );
add_action( 'wp_ajax_prautoblogger_generate_image', [ $this->executor, 'on_ajax_generate_image' ] );
add_action( 'wp_ajax_prautoblogger_test_connection', [ $this->executor, 'on_ajax_test_connection' ] );
$review_queue = new PRAutoBlogger_Review_Queue();