← All changes | includes/extensions/alt-text-generator/Alt_Text_Generator.php +92 -28 51.1.39 → 51.1.83 View file →

		@@ -39,9 +39,9 @@
39	39	if (!$button_enabled && !$auto_enabled) {
40	40	return; // Don't initialize if both features are disabled
41	41	}
42	42
43		- $has_api_key = !empty($options['openai_api_key']);
	43	+ $has_api_key = '' !== \King_Addons\AI_Provider::getApiKey();
44	44
45	45	// Hook for new attachments (only if auto generation is enabled and API key exists).
46	46	if ($auto_enabled && $has_api_key) {
47	47	if(king_addons_freemius()->can_use_premium_code()){
		@@ -107,9 +107,9 @@
107	107	);
108	108
109	109	// Check if API key exists
110	110	$options = get_option('king_addons_ai_options', []);
111		- $has_api_key = !empty($options['openai_api_key']);
	111	+ $has_api_key = '' !== \King_Addons\AI_Provider::getApiKey();
112	112
113	113	// Pass data to JavaScript.
114	114	wp_localize_script('king-addons-media-alt-text', 'kingAddonsMediaAltText', array(
115	115	'ajax_url' => admin_url('admin-ajax.php'),
		@@ -126,9 +126,10 @@
126	126	*
127	127	* @param array $columns Existing columns.
128	128	* @return array Modified columns.
129	129	*/
130		- public function add_alt_text_column(array $columns): array {
	130	+ public function add_alt_text_column($columns): array {
	131	+ $columns = is_array($columns) ? $columns : array();
131	132	// Add column before 'Date'.
132	133	$new_columns = array();
133	134	foreach ($columns as $key => $title) {
134	135	if ('date' === $key) {
		@@ -161,9 +162,9 @@
161	162	}
162	163
163	164	$alt_text = get_post_meta($attachment_id, '_wp_attachment_image_alt', true);
164	165	$options = get_option('king_addons_ai_options', []);
165		- $has_api_key = !empty($options['openai_api_key']);
	166	+ $has_api_key = '' !== \King_Addons\AI_Provider::getApiKey();
166	167
167	168	echo '<div class="king-addons-alt-text-status" data-attachment-id="' . esc_attr($attachment_id) . '">';
168	169	if (!empty($alt_text)) {
169	170	echo '<span>' . esc_html($alt_text) . '</span>';
		@@ -200,9 +201,9 @@
200	201	}
201	202
202	203	// Check if API key exists
203	204	$options = get_option('king_addons_ai_options', []);
204		- if (empty($options['openai_api_key'])) {
	205	+ if ('' === \King_Addons\AI_Provider::getApiKey()) {
205	206	wp_send_json_error(array(
206	207	'message' => esc_html__('OpenAI API key is not configured. Please set it in the AI settings.', 'king-addons'),
207	208	'needs_setup' => true
208	209	), 400);
		@@ -247,9 +248,9 @@
247	248
248	249	/**
249	250	* Adds custom cron intervals.
250	251	*
251		- * Note: Recommended interval is 60+ seconds to avoid OpenAI API rate limits.
	252	+ * Note: Recommended interval is 60+ seconds to avoid provider API rate limits.
252	253	* Lower intervals may cause API errors during high usage periods.
253	254	*
254	255	* @param array $schedules Existing cron schedules.
255	256	* @return array Modified schedules.
		@@ -254,11 +255,11 @@
254	255	* @param array $schedules Existing cron schedules.
255	256	* @return array Modified schedules.
256	257	*/
257	258	public function add_custom_cron_intervals(array $schedules): array {
258		- // Get the interval from settings, default to 60 seconds
	259	+ // Get the interval from settings, default to 20 seconds
259	260	$options = get_option('king_addons_ai_options', []);
260		- $interval = isset($options['ai_alt_text_generation_interval']) ? (int) $options['ai_alt_text_generation_interval'] : 60;
	261	+ $interval = isset($options['ai_alt_text_generation_interval']) ? (int) $options['ai_alt_text_generation_interval'] : 20;
261	262
262	263	// Ensure interval is within acceptable range
263	264	$interval = max(10, min(3600, $interval));
264	265
		@@ -398,18 +399,22 @@
398	399	// For now, we assume the button won't be shown if alt exists, so this path is mainly for the cron job.
399	400	return $is_ajax ? $existing_alt : true;
400	401	}
401	402
402		- // Retrieve OpenAI API key and settings from King Addons AI options.
	403	+ // Retrieve the API key and settings of the selected AI provider.
403	404	$options = get_option('king_addons_ai_options', []);
404		- $api_key = $options['openai_api_key'] ?? '';
405		- // Use the text model for vision analysis, not the image generation model
406		- $model = $options['openai_model'] ?? 'gpt-4o';
	405	+ $api_key = \King_Addons\AI_Provider::getApiKey();
	406	+ // Use dedicated vision model for image analysis (fallback to text model).
	407	+ $model = \King_Addons\AI_Provider::getVisionModel();
407	408	// Get image detail level from settings (default to 'low')
408	409	$image_detail_level = $options['ai_alt_text_image_detail_level'] ?? 'low';
409	410
410	411	if (empty($api_key)) {
411		- $error_msg = esc_html__('OpenAI API key is missing.', 'king-addons');
	412	+ $error_msg = sprintf(
	413	+ /* translators: %s: provider name */
	414	+ esc_html__('%s API key is missing.', 'king-addons'),
	415	+ \King_Addons\AI_Provider::getLabel()
	416	+ );
412	417	return $is_ajax ? new \WP_Error('missing_api_key', $error_msg) : $error_msg;
413	418	}
414	419
415	420	// Get image path instead of URL.
		@@ -439,12 +444,21 @@
439	444
440	445	// Create the data URI.
441	446	$image_data_uri = "data:{$mime_type};base64,{$base64_image}";
442	447
443		- // --- OpenAI API Call --- //
444		- $api_endpoint = 'https://api.openai.com/v1/chat/completions';
	448	+ // --- AI provider API call --- //
	449	+ $api_endpoint = \King_Addons\AI_Provider::getChatEndpoint();
445	450
	451	+ $options_for_lang = get_option('king_addons_ai_options', []);
	452	+ $custom_lang_enabled = !empty($options_for_lang['content_language_custom_enable']);
	453	+ $custom_lang = trim($options_for_lang['content_language_custom'] ?? '');
	454	+
446	455	$prompt_text = 'Generate a concise, descriptive alt text for this image, suitable for SEO and accessibility. Focus on the main subject and action. Maximum 125 characters.';
	456	+ if ($custom_lang_enabled && $custom_lang !== '') {
	457	+ $prompt_text .= ' Use language: ' . $custom_lang;
	458	+ } else {
	459	+ $prompt_text .= ' Respond in English only.';
	460	+ }
447	461
448	462	$payload = array(
449	463	'model' => $model,
450	464	'messages' => array(
		@@ -468,13 +482,10 @@
468	482	'max_tokens' => 50 // Limit the response length
469	483	);
470	484
471	485	$args = array(
472		- 'headers' => array(
473		- 'Authorization' => 'Bearer ' . $api_key,
474		- 'Content-Type' => 'application/json',
475		- ),
476		- 'body' => wp_json_encode($payload),
	486	+ 'headers' => \King_Addons\AI_Provider::getHeaders(),
	487	+ 'body' => wp_json_encode(\King_Addons\AI_Provider::prepareChatPayload($payload)),
477	488	'timeout' => 60, // Increased timeout
478	489	'method' => 'POST',
479	490	'data_format' => 'body',
480	491	);
		@@ -491,15 +502,18 @@
491	502	$response_code = wp_remote_retrieve_response_code($response);
492	503	$response_body = wp_remote_retrieve_body($response);
493	504	$decoded_body = json_decode($response_body, true);
494	505
495		- if ($response_code !== 200 || !isset($decoded_body['choices'][0]['message']['content'])) {
496		- $api_error_message = isset($decoded_body['error']['message']) ? $decoded_body['error']['message'] : esc_html__('API request failed or returned unexpected data.', 'king-addons');
	506	+ if ($response_code !== 200 || isset($decoded_body['error'])) {
	507	+ $api_error_message = \King_Addons\AI_Provider::extractErrorMessage($decoded_body, esc_html__('API request failed or returned unexpected data.', 'king-addons'));
497	508	/* translators: 1: HTTP response code, 2: API error message. */
498	509	return $is_ajax ? new \WP_Error('api_error', $api_error_message, array('status' => $response_code)) : sprintf(esc_html__('API error (%1$d): %2$s', 'king-addons'), $response_code, $api_error_message);
499	510	}
500	511
501		- $generated_alt_text = $decoded_body['choices'][0]['message']['content'];
	512	+ $generated_alt_text = \King_Addons\AI_Provider::extractMessageContent($decoded_body);
	513	+ if (is_wp_error($generated_alt_text)) {
	514	+ return $is_ajax ? $generated_alt_text : $generated_alt_text->get_error_message();
	515	+ }
502	516	// --- End API Call --- //
503	517
504	518	// If the response starts with "I'm sorry" (case-insensitive, allow whitespace before), treat as error and do not save
505	519	if (preg_match('/^\s*I\'m sorry/i', $generated_alt_text)) {
		@@ -514,18 +528,18 @@
514	528	// Update the image alt text meta data.
515	529	if (!empty($sanitized_alt_text)) {
516	530	if (update_post_meta($attachment_id, '_wp_attachment_image_alt', $sanitized_alt_text)) {
517	531	// Log success for debugging
518		- error_log("King Addons Alt Text: Successfully generated alt text for attachment {$attachment_id}: {$sanitized_alt_text}");
	532	+ // error_log("King Addons Alt Text: Successfully generated alt text for attachment {$attachment_id}: {$sanitized_alt_text}");
519	533	return $is_ajax ? $sanitized_alt_text : true;
520	534	} else {
521	535	$error_msg = esc_html__('Failed to save the generated alt text.', 'king-addons');
522		- error_log("King Addons Alt Text: Failed to save alt text for attachment {$attachment_id}");
	536	+ // error_log("King Addons Alt Text: Failed to save alt text for attachment {$attachment_id}");
523	537	return $is_ajax ? new \WP_Error('update_failed', $error_msg) : $error_msg;
524	538	}
525	539	} else {
526	540	$error_msg = esc_html__('AI returned empty or invalid text.', 'king-addons');
527		- error_log("King Addons Alt Text: AI returned empty text for attachment {$attachment_id}");
	541	+ // error_log("King Addons Alt Text: AI returned empty text for attachment {$attachment_id}");
528	542	return $is_ajax ? new \WP_Error('empty_alt_text', $error_msg) : $error_msg;
529	543	}
530	544
531	545	// Should not be reached in normal flow due to checks above
		@@ -533,8 +547,58 @@
533	547	return $is_ajax ? new \WP_Error('unknown_error', $error_msg) : $error_msg;
534	548	}
535	549
536	550	/**
	551	+ * Retrieves statistics about image alt text in the Media Library.
	552	+ *
	553	+ * @return array{total:int,with_alt:int,without_alt:int}
	554	+ */
	555	+ public static function get_alt_text_stats(): array
	556	+ {
	557	+ $cache_key = 'king_addons_alt_text_stats';
	558	+ $cached = wp_cache_get($cache_key, 'king-addons');
	559	+ if (false !== $cached && is_array($cached)) {
	560	+ return $cached;
	561	+ }
	562	+
	563	+ $all_images = get_posts([
	564	+ 'post_type' => 'attachment',
	565	+ 'post_mime_type' => 'image',
	566	+ 'post_status' => 'inherit',
	567	+ 'posts_per_page' => -1,
	568	+ 'fields' => 'ids',
	569	+ 'no_found_rows' => true,
	570	+ ]);
	571	+
	572	+ $with_alt = get_posts([
	573	+ 'post_type' => 'attachment',
	574	+ 'post_mime_type' => 'image',
	575	+ 'post_status' => 'inherit',
	576	+ 'posts_per_page' => -1,
	577	+ 'fields' => 'ids',
	578	+ 'no_found_rows' => true,
	579	+ 'meta_query' => [
	580	+ [
	581	+ 'key' => '_wp_attachment_image_alt',
	582	+ 'value' => '',
	583	+ 'compare' => '!=',
	584	+ ],
	585	+ ],
	586	+ ]);
	587	+
	588	+ $total = count($all_images);
	589	+ $with_alt_count = count($with_alt);
	590	+ $result = [
	591	+ 'total' => $total,
	592	+ 'with_alt' => $with_alt_count,
	593	+ 'without_alt' => max(0, $total - $with_alt_count),
	594	+ ];
	595	+
	596	+ wp_cache_set($cache_key, $result, 'king-addons', 300);
	597	+ return $result;
	598	+ }
	599	+
	600	+ /**
537	601	* Cleans up cron jobs and options on plugin deactivation.
538	602	*/
539	603	public function cleanup_cron_jobs(): void {
540	604	// Clear scheduled cron jobs
		@@ -565,10 +629,10 @@
565	629	*/
566	630	public function update_cron_schedule($old_value, $new_value, string $option = 'king_addons_ai_options'): void {
567	631
568	632	// Check if interval setting changed
569		- $old_interval = isset($old_value['ai_alt_text_generation_interval']) ? (int) $old_value['ai_alt_text_generation_interval'] : 60;
570		- $new_interval = isset($new_value['ai_alt_text_generation_interval']) ? (int) $new_value['ai_alt_text_generation_interval'] : 60;
	633	+ $old_interval = isset($old_value['ai_alt_text_generation_interval']) ? (int) $old_value['ai_alt_text_generation_interval'] : 20;
	634	+ $new_interval = isset($new_value['ai_alt_text_generation_interval']) ? (int) $new_value['ai_alt_text_generation_interval'] : 20;
571	635
572	636	// Check if auto generation setting changed
573	637	$old_auto = isset($old_value['enable_ai_alt_text_auto_generation']) ? (bool) $old_value['enable_ai_alt_text_auto_generation'] : false;
574	638	$new_auto = isset($new_value['enable_ai_alt_text_auto_generation']) ? (bool) $new_value['enable_ai_alt_text_auto_generation'] : false;