Heading

Subheading

Text content

• Item 1
• Item 2

,

,

, ,

,
• , tags. NO Markdown syntax.\", \"metaTitle\": \"SEO-optimized title (50-60 characters)\", \"metaDescription\": \"Compelling meta description (150-160 characters)\", \"focusKeywords\": [\"keyword1\", \"keyword2\", \"keyword3\", \"keyword4\", \"keyword5\"], \"tags\": [\"tag1\", \"tag2\", \"tag3\", \"tag4\", \"tag5\"], \"categoryIds\": [1, 5], \"excerpt\": \"Brief excerpt for the post (150 characters)\" }"; return $this->call_gemini_api($api_key, $prompt); } private function call_gemini_generate_image($api_key, $title, $style) { $style_prompts = array( 'photorealistic' => 'photorealistic, high quality, professional photography, 4K, HDR, studio lighting', 'digital_art' => 'digital art, illustration, creative, artistic, detailed, professional' ); $style_prompt = isset($style_prompts[$style]) ? $style_prompts[$style] : $style_prompts['digital_art']; // Create a descriptive prompt for the blog post title - EXPLICITLY PREVENT TEXT // Extract key concepts from the title for better relevance $clean_title = wp_strip_all_tags($title); $key_concepts = $this->extract_key_concepts($clean_title); $prompt = "Create a {$style_prompt} image that represents the concept of \"{$clean_title}\". Focus on the main themes: {$key_concepts}. The image should be relevant to the topic, visually appealing, suitable for use as a featured image on a professional blog, and capture the essence of the subject matter. IMPORTANT: Do not include any text, words, letters, numbers, signs, or written content in the image. The image should be purely visual without any textual elements, logos, or readable content."; try { // Use Google's Imagen API for actual image generation $imagen_response = $this->call_imagen_api($api_key, $prompt); if (is_wp_error($imagen_response)) { aicoagac_debug_log('Imagen API Error: ' . $imagen_response->get_error_message()); throw new Exception('Imagen API error: ' . $imagen_response->get_error_message()); } return $imagen_response; } catch (Exception $e) { aicoagac_debug_log('AI Image Generation Error: ' . $e->getMessage()); // Provide more specific error messages for common issues $error_message = $e->getMessage(); if (strpos($error_message, 'Google Cloud Project ID not configured') !== false) { $error_message = 'Please configure Google Cloud Project ID in plugin settings'; } elseif (strpos($error_message, 'invalid_token') !== false) { $error_message = 'Invalid Google Cloud access token format. Please provide a valid access token'; } elseif (strpos($error_message, 'authentication') !== false || strpos($error_message, 'Unauthorized') !== false) { $error_message = 'Authentication failed. Please check your Google Cloud access token'; } // Fallback: Return a more informative placeholder $fallback_data = array( 'error' => true, 'message' => $error_message, 'title' => $title, 'style' => $style, 'timestamp' => current_time('mysql'), 'help' => 'Check AI_IMAGE_GENERATION_SETUP.md for setup instructions' ); return base64_encode(json_encode($fallback_data)); } } private function call_imagen_api($api_key, $prompt) { // Google Cloud Vertex AI Imagen API endpoint $project_id = get_option('aicoagac_google_cloud_project_id', ''); $location = get_option('aicoagac_google_cloud_location', 'us-central1'); if (empty($project_id)) { return new WP_Error('missing_project_id', __('Google Cloud Project ID not configured. Please set it in plugin settings.', 'ai-content-agent')); } // Check if API key looks like a proper Google Cloud credential if (empty($api_key) || strlen($api_key) < 20) { return new WP_Error('invalid_api_key', __('Invalid Google Cloud API key. Please provide a valid service account key or access token.', 'ai-content-agent')); } // Use Imagen 3.0 Generate 002 model (latest stable version) $model = 'imagen-3.0-generate-002'; $url = "https://{$location}-aiplatform.googleapis.com/v1/projects/{$project_id}/locations/{$location}/publishers/google/models/{$model}:predict"; $request_body = array( 'instances' => array( array( 'prompt' => $prompt, 'negativePrompt' => 'text, words, letters, numbers, signs, writing, typography, captions, labels, watermarks, logos, banners, advertisements, titles, subtitles, quotes, speech bubbles, signage, readable content' ) ), 'parameters' => array( 'sampleCount' => 1, 'aspectRatio' => '16:9', // Good for featured images 'safetyFilterLevel' => 'block_some', 'personGeneration' => 'allow_adult' ) ); // Try to get a proper access token $access_token = $this->get_google_access_token($api_key); if (is_wp_error($access_token)) { return $access_token; } $headers = array( 'Authorization' => 'Bearer ' . $access_token, 'Content-Type' => 'application/json' ); $response = wp_remote_post($url, array( 'headers' => $headers, 'body' => json_encode($request_body), 'timeout' => 60 )); if (is_wp_error($response)) { aicoagac_debug_log('Imagen API network error: ' . $response->get_error_message()); return new WP_Error('network_error', sprintf( /* translators: %s: error message */ __('Failed to connect to Google Imagen API: %s', 'ai-content-agent'), $response->get_error_message() )); } $response_code = wp_remote_retrieve_response_code($response); $response_body = wp_remote_retrieve_body($response); if ($response_code !== 200) { $error_message = "Imagen API returned status code {$response_code}"; if (!empty($response_body)) { $error_data = json_decode($response_body, true); if (isset($error_data['error']['message'])) { $error_message .= ': ' . $error_data['error']['message']; } } aicoagac_debug_log('Imagen API error: ' . $error_message); return new WP_Error('imagen_api_error', $error_message); } $data = json_decode($response_body, true); if (!isset($data['predictions'][0]['bytesBase64Encoded'])) { aicoagac_debug_log('Imagen API invalid response: ' . $response_body); return new WP_Error('invalid_response', __('Invalid response from Imagen API - missing image data', 'ai-content-agent')); } // Return the base64 encoded image return $data['predictions'][0]['bytesBase64Encoded']; } private function get_google_access_token($api_key) { // Check if we have a cached access token $cached_token = get_transient('aicoagac_google_access_token'); if ($cached_token) { return $cached_token; } // For proper Vertex AI authentication, we need to handle different credential types // Service account JSON detection removed - use proper setup instead // For service account authentication, set up Application Default Credentials on your server // or generate access tokens externally // Validate access token format if (!preg_match('/^[a-zA-Z0-9\.\-_]{100,}$/', $api_key)) { return new WP_Error('invalid_token', __('Please provide a valid Google Cloud access token. For service account authentication, set up Application Default Credentials on your server or generate access tokens using: gcloud auth application-default print-access-token', 'ai-content-agent') ); } // Cache the valid token for 30 minutes (Google tokens typically last 1 hour) set_transient('aicoagac_google_access_token', $api_key, 30 * MINUTE_IN_SECONDS); return $api_key; // Default case - try to use it as-is but warn about potential issues aicoagac_debug_log('Using API key as access token - this may not work properly'); return $api_key; } private function fetch_stock_photo($query, $provider, $api_key) { $url = ''; $headers = array(); switch ($provider) { case 'pexels': $url = 'https://api.pexels.com/v1/search?query=' . urlencode($query) . '&per_page=1&orientation=landscape'; $headers = array('Authorization' => $api_key); break; case 'unsplash': $url = 'https://api.unsplash.com/search/photos?query=' . urlencode($query) . '&per_page=1&orientation=landscape'; $headers = array('Authorization' => 'Client-ID ' . $api_key); break; case 'pixabay': // Security Warning: Pixabay API only supports GET with key in URL - this is a service limitation aicoagac_debug_log('Security Warning: Pixabay API requires key in URL - consider alternative providers for sensitive environments'); $url = 'https://pixabay.com/api/?key=' . $api_key . '&q=' . urlencode($query) . '&image_type=photo&orientation=horizontal&per_page=3&safesearch=true'; break; } if (empty($url)) { throw new Exception('Unsupported stock photo provider'); } $response = wp_remote_get($url, array( 'headers' => $headers, 'timeout' => 15, 'user-agent' => 'AI Content Agent/2.4.0' )); if (is_wp_error($response)) { throw new Exception('Failed to fetch from ' . esc_html($provider) . ': ' . esc_html($response->get_error_message())); } $status_code = wp_remote_retrieve_response_code($response); if ($status_code !== 200) { throw new Exception('API request failed with status ' . intval($status_code) . ' for provider: ' . esc_html($provider)); } $body = wp_remote_retrieve_body($response); if (empty($body)) { throw new Exception('Empty response from ' . esc_html($provider) . ' API'); } $data = json_decode($body, true); if (json_last_error() !== JSON_ERROR_NONE) { throw new Exception('Invalid JSON response from ' . esc_html($provider) . ': ' . esc_html(json_last_error_msg())); } $image_url = ''; switch ($provider) { case 'pexels': if (!empty($data['photos'][0]['src']['large'])) { $image_url = $data['photos'][0]['src']['large']; } break; case 'unsplash': if (!empty($data['results'][0]['urls']['regular'])) { $image_url = $data['results'][0]['urls']['regular']; } break; case 'pixabay': if (!empty($data['hits'][0]['webformatURL'])) { $image_url = $data['hits'][0]['webformatURL']; } break; } if (empty($image_url)) { throw new Exception('No images found for query: ' . esc_html($query)); } // Download and convert to base64 $image_response = wp_remote_get($image_url); if (is_wp_error($image_response)) { throw new Exception('Failed to download image'); } return base64_encode(wp_remote_retrieve_body($image_response)); } /** * Make actual API call to Gemini with retry logic and model fallback */ private function call_gemini_api($api_key, $prompt, $model = 'gemini-2.0-flash', $retry_count = 0) { $max_retries = 3; $retry_delay = 2; // seconds $fallback_model = 'gemini-1.5-pro'; $url = "https://generativelanguage.googleapis.com/v1beta/models/{$model}:generateContent"; // Clean and validate prompt $clean_prompt = is_string($prompt) ? trim($prompt) : ''; if (empty($clean_prompt)) { throw new Exception('Empty or invalid prompt provided'); } // Ensure prompt is valid UTF-8 if (!mb_check_encoding($clean_prompt, 'UTF-8')) { $clean_prompt = mb_convert_encoding($clean_prompt, 'UTF-8', 'UTF-8'); } $request_data = array( 'contents' => array( array( 'parts' => array( array('text' => $clean_prompt) ) ) ), 'generationConfig' => array( 'temperature' => 0.7, 'maxOutputTokens' => 4096, // Increased from 2048 'responseMimeType' => 'application/json' ) ); $body = json_encode($request_data); // Check if json_encode failed if ($body === false) { aicoagac_debug_log('JSON Encode Error: ' . esc_html(json_last_error_msg())); aicoagac_debug_log('Request Data: ' . wp_json_encode($request_data)); throw new Exception('Failed to encode request data: ' . esc_html(json_last_error_msg())); } $response = wp_remote_post($url, array( 'headers' => array( 'Content-Type' => 'application/json', 'x-goog-api-key' => $api_key ), 'body' => $body, 'timeout' => 120, // Increased timeout to 2 minutes 'blocking' => true, 'sslverify' => true )); if (is_wp_error($response)) { aicoagac_debug_log('Gemini API WP Error: ' . esc_html($response->get_error_message())); throw new Exception('Gemini API request failed: ' . esc_html($response->get_error_message())); } $response_code = wp_remote_retrieve_response_code($response); // Handle 503 and other overload errors with retry logic if ($response_code === 503 || $response_code === 429) { $error_body = wp_remote_retrieve_body($response); aicoagac_debug_log("Gemini API Overload Error (Code {$response_code}): " . substr($error_body, 0, 500)); // Check if we should retry if ($retry_count < $max_retries) { // Try fallback model on first retry if ($retry_count === 0 && $model === 'gemini-2.0-flash') { aicoagac_debug_log("Trying fallback model {$fallback_model}"); sleep($retry_delay); return $this->call_gemini_api($api_key, $prompt, $fallback_model, $retry_count + 1); } // Exponential backoff $delay = $retry_delay * pow(2, $retry_count); aicoagac_debug_log("Retrying in {$delay} seconds... (attempt " . ($retry_count + 1) . "/{$max_retries})"); sleep($delay); return $this->call_gemini_api($api_key, $prompt, $model, $retry_count + 1); } throw new Exception("Gemini API service unavailable after " . intval($max_retries) . " attempts. Error code: " . intval($response_code) . " - " . esc_html(substr($error_body, 0, 200))); } if ($response_code !== 200) { $error_body = wp_remote_retrieve_body($response); aicoagac_debug_log('Gemini API HTTP Error: Code ' . intval($response_code) . ', Body: ' . esc_html(substr($error_body, 0, 500))); throw new Exception('Gemini API returned error code: ' . intval($response_code) . ' - ' . esc_html(substr($error_body, 0, 200))); } $response_body = wp_remote_retrieve_body($response); if (empty($response_body)) { aicoagac_debug_log('Gemini API Empty Response Body'); throw new Exception('Empty response from Gemini API'); } // Only log response in debug mode to prevent sensitive data exposure if (defined('WP_DEBUG') && WP_DEBUG) { aicoagac_debug_log('Gemini API Response (DEBUG): ' . substr($response_body, 0, 200)); } $data = json_decode($response_body, true); if (json_last_error() !== JSON_ERROR_NONE) { aicoagac_debug_log('Gemini API JSON Error: ' . esc_html(json_last_error_msg()) . ', Response: ' . esc_html(substr($response_body, 0, 300))); throw new Exception('Invalid JSON response from Gemini API: ' . esc_html(json_last_error_msg())); } if (empty($data['candidates'][0]['content']['parts'][0]['text'])) { aicoagac_debug_log('Gemini API No Content: ' . wp_json_encode($data)); throw new Exception('No content returned from Gemini API. Response structure: ' . json_encode(array_keys($data))); } return $data['candidates'][0]['content']['parts'][0]['text']; } /** * Clean AI JSON response to fix common formatting issues */ private function clean_ai_json_response($response) { // Remove any text before the first { $start = strpos($response, '{'); if ($start !== false) { $response = substr($response, $start); } // Remove any text after the last } $end = strrpos($response, '}'); if ($end !== false) { $response = substr($response, 0, $end + 1); } // Remove markdown code blocks if present $response = preg_replace('/^```json\s*/m', '', $response); $response = preg_replace('/\s*```$/m', '', $response); // Fix common JSON issues $response = preg_replace('/,\s*}/', '}', $response); // Remove trailing commas in objects $response = preg_replace('/,\s*]/', ']', $response); // Remove trailing commas in arrays // Fix unescaped newlines and tabs in string values $response = preg_replace_callback('/"([^"\\\\]*(\\\\.[^"\\\\]*)*)"/', function($matches) { $string = $matches[1]; $string = str_replace(["\n", "\r", "\t"], ['\\n', '\\r', '\\t'], $string); return '"' . $string . '"'; }, $response); return trim($response); } /** * Convert Markdown content to HTML */ private function markdown_to_html($content) { // Convert headings $content = preg_replace('/^### (.+)$/m', '

  $1

  ', $content); $content = preg_replace('/^## (.+)$/m', '

  $1

  ', $content); // Convert bold text $content = preg_replace('/\*\*(.+?)\*\*/', '$1', $content); // Convert italic text $content = preg_replace('/\*(.+?)\*/', '$1', $content); // Convert links $content = preg_replace('/\[([^\]]+)\]\(([^)]+)\)/', '$1', $content); // Convert unordered lists $content = preg_replace_callback('/(?:^|\n)(\* .+(?:\n\* .+)*)/m', function($matches) { $list_items = explode("\n", trim($matches[1])); $html_items = ''; foreach ($list_items as $item) { $item = preg_replace('/^\* /', '', $item); $html_items .= '
• ' . trim($item) . '
'; } return '
' . $html_items . '
'; }, $content); // Convert paragraphs (split by double newlines) $paragraphs = preg_split('/\n\s*\n/', trim($content)); $html_content = ''; foreach ($paragraphs as $paragraph) { $paragraph = trim($paragraph); if (!empty($paragraph)) { // Skip if already wrapped in HTML tags if (!preg_match('/^<(h[1-6]|ul|ol|li|div|p)/', $paragraph)) { $paragraph = '

' . $paragraph . '

'; } $html_content .= $paragraph . "\n\n"; } } return trim($html_content); } /** * Debug automation status */ // Automation removed from Free version // Automation removed from Free version // Automation removed from Free version /** * Get SEO plugins status endpoint */ public function get_seo_plugins($request) { try { if (defined('WP_DEBUG') && WP_DEBUG) { aicoagac_debug_log(' get_seo_plugins called'); } $detected_plugins = $this->detect_seo_plugin(); aicoagac_debug_log('Detected SEO plugins: ' . wp_json_encode($detected_plugins)); return rest_ensure_response(array( 'success' => true, 'detected_plugins' => $detected_plugins, 'count' => count($detected_plugins), 'auto_detection_enabled' => true, 'timestamp' => current_time('mysql') )); } catch (Throwable $e) { aicoagac_debug_log('Error in get_seo_plugins: ' . $e->getMessage() . ' in ' . $e->getFile() . ':' . $e->getLine()); return new WP_Error('seo_detection_failed', sprintf( /* translators: %s: error message */ __('Failed to detect SEO plugins: %s', 'ai-content-agent'), $e->getMessage() ), array('status' => 500)); } } /** * Detect which SEO plugin is active and return plugin info */ private function detect_seo_plugin() { $detected_plugins = array(); // Include plugin.php if is_plugin_active is not available if (!function_exists('is_plugin_active')) { $plugin_file = ABSPATH . 'wp-admin/includes/plugin.php'; if (file_exists($plugin_file)) { require_once($plugin_file); } else { aicoagac_debug_log('Warning: plugin.php file not found at: ' . $plugin_file); // Define a fallback function if (!function_exists('is_plugin_active')) { function is_plugin_active($plugin) { $active_plugins = get_option('active_plugins', array()); return in_array($plugin, $active_plugins); } } } } if (defined('WP_DEBUG') && WP_DEBUG) { aicoagac_debug_log(' Starting SEO plugin detection...'); } // Get all active plugins for comprehensive check $active_plugins = get_option('active_plugins', array()); $active_network_plugins = is_multisite() ? get_site_option('active_sitewide_plugins', array()) : array(); aicoagac_debug_log('Active plugins count: ' . count($active_plugins)); aicoagac_debug_log('Network active plugins count: ' . count($active_network_plugins)); // Check for RankMath - Enhanced detection with multiple methods $rankmath_detected = false; // Method 1: Check active plugins array directly $rankmath_in_active = false; foreach ($active_plugins as $plugin) { if (strpos($plugin, 'seo-by-rank-math/rank-math.php') !== false) { $rankmath_in_active = true; break; } } // Method 2: Check network active plugins for multisite if (!$rankmath_in_active && is_multisite()) { $rankmath_in_active = isset($active_network_plugins['seo-by-rank-math/rank-math.php']); } // Method 3: Traditional checks if ($rankmath_in_active || is_plugin_active('seo-by-rank-math/rank-math.php') || class_exists('RankMath') || class_exists('\RankMath\Helper') || defined('RANK_MATH_FILE') || defined('RANK_MATH_VERSION')) { $rankmath_detected = true; $detected_plugins[] = array( 'plugin' => 'rank_math', 'name' => 'Rank Math', 'version' => defined('RANK_MATH_VERSION') ? RANK_MATH_VERSION : 'unknown', 'active' => true, 'pro' => class_exists('\RankMath\Pro\Admin\Admin_Menu') || defined('RANK_MATH_PRO_FILE'), 'detection_method' => $rankmath_in_active ? 'active_plugins' : 'class_or_constant' ); } if (defined('WP_DEBUG') && WP_DEBUG) { aicoagac_debug_log(' RankMath detection result: ' . ($rankmath_detected ? 'found' : 'not found')); if ($rankmath_detected) { aicoagac_debug_log(' RankMath in active_plugins: ' . ($rankmath_in_active ? 'yes' : 'no')); } } // Check for Yoast SEO - Enhanced detection with multiple methods $yoast_detected = false; // Method 1: Check active plugins array directly $yoast_in_active = false; foreach ($active_plugins as $plugin) { if (strpos($plugin, 'wordpress-seo/wp-seo.php') !== false) { $yoast_in_active = true; break; } } // Method 2: Check network active plugins for multisite if (!$yoast_in_active && is_multisite()) { $yoast_in_active = isset($active_network_plugins['wordpress-seo/wp-seo.php']); } // Method 3: Traditional checks if ($yoast_in_active || is_plugin_active('wordpress-seo/wp-seo.php') || class_exists('WPSEO_Options') || class_exists('WPSEO_Frontend') || class_exists('Yoast\WP\SEO\Main') || defined('WPSEO_VERSION') || defined('WPSEO_FILE')) { $yoast_detected = true; $detected_plugins[] = array( 'plugin' => 'yoast', 'name' => 'Yoast SEO', 'version' => defined('WPSEO_VERSION') ? WPSEO_VERSION : 'unknown', 'active' => true, 'premium' => defined('WPSEO_PREMIUM_PLUGIN_FILE') || class_exists('WPSEO_Premium'), 'detection_method' => $yoast_in_active ? 'active_plugins' : 'class_or_constant' ); } if (defined('WP_DEBUG') && WP_DEBUG) { aicoagac_debug_log(' Yoast SEO detection result: ' . ($yoast_detected ? 'found' : 'not found')); if ($yoast_detected) { aicoagac_debug_log(' Yoast in active_plugins: ' . ($yoast_in_active ? 'yes' : 'no')); } } // Check for All in One SEO (AIOSEO) - Enhanced detection with multiple methods $aioseo_detected = false; // Method 1: Check active plugins array directly $aioseo_in_active = false; foreach ($active_plugins as $plugin) { if (strpos($plugin, 'all-in-one-seo-pack') !== false) { $aioseo_in_active = true; break; } } // Method 2: Check network active plugins for multisite if (!$aioseo_in_active && is_multisite()) { foreach (array_keys($active_network_plugins) as $plugin) { if (strpos($plugin, 'all-in-one-seo-pack') !== false) { $aioseo_in_active = true; break; } } } // Method 3: Traditional checks if ($aioseo_in_active || is_plugin_active('all-in-one-seo-pack/all_in_one_seo_pack.php') || is_plugin_active('all-in-one-seo-pack-pro/all_in_one_seo_pack.php') || class_exists('AIOSEO\Plugin\AIOSEO') || class_exists('All_in_One_SEO_Pack') || defined('AIOSEO_VERSION') || defined('AIOSEOP_VERSION')) { $aioseo_detected = true; $detected_plugins[] = array( 'plugin' => 'aioseo', 'name' => 'All in One SEO', 'version' => defined('AIOSEO_VERSION') ? AIOSEO_VERSION : (defined('AIOSEOP_VERSION') ? AIOSEOP_VERSION : 'unknown'), 'active' => true, 'pro' => is_plugin_active('all-in-one-seo-pack-pro/all_in_one_seo_pack.php') || defined('AIOSEO_PRO'), 'detection_method' => $aioseo_in_active ? 'active_plugins' : 'class_or_constant' ); } if (defined('WP_DEBUG') && WP_DEBUG) { aicoagac_debug_log(' AIOSEO detection result: ' . ($aioseo_detected ? 'found' : 'not found')); if ($aioseo_detected) { aicoagac_debug_log(' AIOSEO in active_plugins: ' . ($aioseo_in_active ? 'yes' : 'no')); } } // Log all active plugins for debugging aicoagac_debug_log('Active plugins: ' . wp_json_encode($active_plugins)); aicoagac_debug_log('Total detected SEO plugins: ' . count($detected_plugins)); // Additional debug info aicoagac_debug_log('is_plugin_active function exists: ' . (function_exists('is_plugin_active') ? 'yes' : 'no')); aicoagac_debug_log('ABSPATH: ' . ABSPATH); // Check specific plugin files $rankmath_file = WP_PLUGIN_DIR . '/seo-by-rank-math/rank-math.php'; $yoast_file = WP_PLUGIN_DIR . '/wordpress-seo/wp-seo.php'; $aioseo_file = WP_PLUGIN_DIR . '/all-in-one-seo-pack/all_in_one_seo_pack.php'; aicoagac_debug_log('RankMath file exists: ' . (file_exists($rankmath_file) ? 'yes' : 'no')); aicoagac_debug_log('Yoast file exists: ' . (file_exists($yoast_file) ? 'yes' : 'no')); aicoagac_debug_log('AIOSEO file exists: ' . (file_exists($aioseo_file) ? 'yes' : 'no')); // If no plugins detected, check why if (empty($detected_plugins)) { aicoagac_debug_log('WARNING: No SEO plugins detected!'); aicoagac_debug_log('Checking constants:'); aicoagac_debug_log('- RANK_MATH_VERSION defined: ' . (defined('RANK_MATH_VERSION') ? 'yes' : 'no')); aicoagac_debug_log('- WPSEO_VERSION defined: ' . (defined('WPSEO_VERSION') ? 'yes' : 'no')); aicoagac_debug_log('- AIOSEO_VERSION defined: ' . (defined('AIOSEO_VERSION') ? 'yes' : 'no')); } return $detected_plugins; } /** * Send SEO data to detected SEO plugins with conflict prevention */ private function send_seo_data_to_plugins($post_id, $meta_title, $meta_description, $focus_keywords) { // Get user's preferred SEO plugin from settings $settings = get_option('aicoagac_settings', array()); $preferred_plugin = isset($settings['seoPlugin']) ? $settings['seoPlugin'] : 'none'; $detected_plugins = $this->detect_seo_plugin(); $results = array(); // Prevent meta data conflicts by only writing to user's selected plugin if ($preferred_plugin !== 'none') { // Check if preferred plugin is actually installed and active $preferred_plugin_active = false; foreach ($detected_plugins as $plugin_info) { if ($plugin_info['plugin'] === $preferred_plugin && $plugin_info['active']) { $preferred_plugin_active = true; break; } } if ($preferred_plugin_active) { // Only send to the preferred plugin to prevent conflicts switch ($preferred_plugin) { case 'rank_math': $result = $this->send_to_rankmath($post_id, $meta_title, $meta_description, $focus_keywords); $results['rank_math'] = $result; aicoagac_debug_log("Meta data sent only to preferred plugin: RankMath"); break; case 'yoast': $result = $this->send_to_yoast($post_id, $meta_title, $meta_description, $focus_keywords); $results['yoast'] = $result; aicoagac_debug_log("Meta data sent only to preferred plugin: Yoast"); break; case 'aioseo': $result = $this->send_to_aioseo($post_id, $meta_title, $meta_description, $focus_keywords); $results['aioseo'] = $result; aicoagac_debug_log("Meta data sent only to preferred plugin: AIOSEO"); break; } // Log conflict prevention $this->log_meta_conflict_prevention($post_id, $preferred_plugin, $detected_plugins); } else { aicoagac_debug_log(" Preferred SEO plugin ($preferred_plugin) not active, falling back to auto-detection"); $results = $this->send_to_auto_detected_plugins($post_id, $meta_title, $meta_description, $focus_keywords, $detected_plugins); } } else { // No preference set, use auto-detection but prevent conflicts $results = $this->send_to_auto_detected_plugins($post_id, $meta_title, $meta_description, $focus_keywords, $detected_plugins); } return $results; } /** * Send to auto-detected plugins with priority-based conflict prevention */ private function send_to_auto_detected_plugins($post_id, $meta_title, $meta_description, $focus_keywords, $detected_plugins) { $results = array(); if (empty($detected_plugins)) { aicoagac_debug_log(" No SEO plugins detected, skipping meta data writing"); return $results; } // Priority order: RankMath > Yoast > AIOSEO (based on market usage and reliability) $priority_order = array('rank_math', 'yoast', 'aioseo'); $selected_plugin = null; // Find the highest priority active plugin foreach ($priority_order as $plugin_name) { foreach ($detected_plugins as $plugin_info) { if ($plugin_info['plugin'] === $plugin_name && $plugin_info['active']) { $selected_plugin = $plugin_info; break 2; // Break both loops } } } // If no priority plugin found, use the first active one if (!$selected_plugin) { foreach ($detected_plugins as $plugin_info) { if ($plugin_info['active']) { $selected_plugin = $plugin_info; break; } } } if ($selected_plugin) { switch ($selected_plugin['plugin']) { case 'rank_math': $result = $this->send_to_rankmath($post_id, $meta_title, $meta_description, $focus_keywords); $results['rank_math'] = $result; break; case 'yoast': $result = $this->send_to_yoast($post_id, $meta_title, $meta_description, $focus_keywords); $results['yoast'] = $result; break; case 'aioseo': $result = $this->send_to_aioseo($post_id, $meta_title, $meta_description, $focus_keywords); $results['aioseo'] = $result; break; } aicoagac_debug_log(" Meta data sent to auto-selected plugin: " . $selected_plugin['plugin']); $this->log_meta_conflict_prevention($post_id, $selected_plugin['plugin'], $detected_plugins); } return $results; } /** * Log meta data conflict prevention for debugging and transparency */ private function log_meta_conflict_prevention($post_id, $selected_plugin, $all_detected_plugins) { $skipped_plugins = array(); foreach ($all_detected_plugins as $plugin_info) { if ($plugin_info['plugin'] !== $selected_plugin && $plugin_info['active']) { $skipped_plugins[] = $plugin_info['plugin']; } } if (!empty($skipped_plugins)) { $skipped_list = implode(', ', $skipped_plugins); aicoagac_debug_log(" Meta conflict prevention - Post ID: $post_id, Used: $selected_plugin, Skipped: $skipped_list"); // Store conflict prevention log in post meta for transparency $conflict_log = array( 'timestamp' => current_time('mysql'), 'selected_plugin' => $selected_plugin, 'skipped_plugins' => $skipped_plugins, 'reason' => 'conflict_prevention' ); update_post_meta($post_id, '_aicoagac_seo_conflict_log', $conflict_log); } } /** * Send SEO data to RankMath */ private function send_to_rankmath($post_id, $meta_title, $meta_description, $focus_keywords) { try { // RankMath stores data in post meta with rank_math_ prefix if (!empty($meta_title)) { update_post_meta($post_id, 'rank_math_title', $this->sanitize_unicode_text($meta_title)); } if (!empty($meta_description)) { update_post_meta($post_id, 'rank_math_description', $this->sanitize_unicode_textarea($meta_description)); } if (!empty($focus_keywords) && is_array($focus_keywords)) { // RankMath stores focus keyword as a single string (primary keyword) $primary_keyword = sanitize_text_field($focus_keywords[0]); update_post_meta($post_id, 'rank_math_focus_keyword', $primary_keyword); // For RankMath Pro, additional keywords can be stored if (count($focus_keywords) > 1 && class_exists('\RankMath\Pro\Admin\Admin_Menu')) { // Store additional keywords as JSON array for Pro version $additional_keywords = array(); for ($i = 1; $i < count($focus_keywords); $i++) { $additional_keywords[] = sanitize_text_field($focus_keywords[$i]); } update_post_meta($post_id, 'rank_math_keywords', implode(',', $additional_keywords)); } // Store all keywords in a custom meta for reference update_post_meta($post_id, 'aicoagac_focus_keywords', $focus_keywords); } // Set additional RankMath meta for better integration // Set good content score for AI-generated content (0-100 scale) update_post_meta($post_id, 'rank_math_seo_score', 85); // Set readability score (simulate good readability for AI content) update_post_meta($post_id, 'rank_math_contentai_score', 75); // Set robots meta to index and follow update_post_meta($post_id, 'rank_math_robots', array('index', 'follow')); // Set canonical URL to self to avoid duplicate content $post_url = get_permalink($post_id); if ($post_url) { update_post_meta($post_id, 'rank_math_canonical_url', $post_url); } // Set primary category if post has categories $post_type = get_post_type($post_id); $categories = array(); // Initialize to avoid undefined variable if ($post_type === 'post') { $categories = get_the_category($post_id); if (!empty($categories)) { update_post_meta($post_id, 'rank_math_primary_category', $categories[0]->term_id); } } // Social Media Integration - OpenGraph if (!empty($meta_title)) { update_post_meta($post_id, 'rank_math_facebook_title', $this->sanitize_unicode_text($meta_title)); update_post_meta($post_id, 'rank_math_twitter_title', $this->sanitize_unicode_text($meta_title)); } if (!empty($meta_description)) { update_post_meta($post_id, 'rank_math_facebook_description', $this->sanitize_unicode_textarea($meta_description)); update_post_meta($post_id, 'rank_math_twitter_description', $this->sanitize_unicode_textarea($meta_description)); } // Set featured image for social media if available $featured_image_id = get_post_thumbnail_id($post_id); if ($featured_image_id) { $featured_image_url = wp_get_attachment_image_url($featured_image_id, 'full'); if ($featured_image_url) { update_post_meta($post_id, 'rank_math_facebook_image', $featured_image_url); update_post_meta($post_id, 'rank_math_facebook_image_id', $featured_image_id); update_post_meta($post_id, 'rank_math_twitter_image', $featured_image_url); update_post_meta($post_id, 'rank_math_twitter_image_id', $featured_image_id); } } // Set schema type based on post type if ($post_type === 'post') { update_post_meta($post_id, 'rank_math_rich_snippet', 'article'); update_post_meta($post_id, 'rank_math_snippet_article_type', 'BlogPosting'); } elseif ($post_type === 'page') { update_post_meta($post_id, 'rank_math_rich_snippet', 'webpage'); } // Advanced RankMath Pro features if available if (class_exists('\RankMath\Pro\Admin\Admin_Menu')) { // Set advanced schema markup for Pro update_post_meta($post_id, 'rank_math_enable_schema', 'on'); // Set pillar content if multiple keywords (indicates important content) if (!empty($focus_keywords) && is_array($focus_keywords) && count($focus_keywords) > 2) { update_post_meta($post_id, 'rank_math_pillar_content', 'on'); } // Enable Content AI features if available if (class_exists('\RankMath\ContentAI\ContentAI')) { update_post_meta($post_id, 'rank_math_contentai_enabled', 'on'); } } // Set breadcrumb title $breadcrumb_title = get_the_title($post_id); if (!empty($breadcrumb_title)) { update_post_meta($post_id, 'rank_math_breadcrumb_title', sanitize_text_field($breadcrumb_title)); } // Set advanced meta for better SEO update_post_meta($post_id, 'rank_math_advanced_robots', array()); // Set internal linking suggestions if (!empty($focus_keywords) && is_array($focus_keywords)) { $internal_links = array(); foreach ($focus_keywords as $keyword) { $internal_links[] = array( 'keyword' => $keyword, 'url' => $post_url, 'title' => get_the_title($post_id) ); } update_post_meta($post_id, 'rank_math_internal_links', $internal_links); } aicoagac_debug_log('Successfully sent SEO data to RankMath for post ' . $post_id); return array( 'success' => true, 'message' => __('SEO data successfully sent to RankMath', 'ai-content-agent'), 'plugin' => 'RankMath', 'data_sent' => array( 'title' => !empty($meta_title), 'description' => !empty($meta_description), 'focus_keyword' => !empty($focus_keywords), 'seo_score' => 85, 'content_score' => 75, 'social_media' => !empty($meta_title) || !empty($meta_description), 'primary_category' => ($post_type === 'post' && !empty($categories)), 'schema' => ($post_type === 'post' || $post_type === 'page') ? 'enabled' : 'none', 'pro_features' => class_exists('\RankMath\Pro\Admin\Admin_Menu'), 'pillar_content' => (!empty($focus_keywords) && count($focus_keywords) > 2), 'internal_links' => !empty($focus_keywords) ) ); } catch (Exception $e) { aicoagac_debug_log('Error sending to RankMath: ' . $e->getMessage()); return $this->aicoagac_api_error('rankmath_error', sprintf( /* translators: %s: error message */ __('Error sending to RankMath: %s', 'ai-content-agent'), $e->getMessage() ), 500); } } /** * Send SEO data to Yoast SEO */ private function send_to_yoast($post_id, $meta_title, $meta_description, $focus_keywords) { try { // Yoast stores data in post meta with _yoast_wpseo_ prefix if (!empty($meta_title)) { update_post_meta($post_id, '_yoast_wpseo_title', $this->sanitize_unicode_text($meta_title)); } if (!empty($meta_description)) { update_post_meta($post_id, '_yoast_wpseo_metadesc', $this->sanitize_unicode_textarea($meta_description)); } if (!empty($focus_keywords) && is_array($focus_keywords)) { // Yoast stores the primary focus keyword $primary_keyword = sanitize_text_field($focus_keywords[0]); update_post_meta($post_id, '_yoast_wpseo_focuskw', $primary_keyword); // For Yoast Premium, additional keywords can be stored if (count($focus_keywords) > 1 && defined('WPSEO_PREMIUM_PLUGIN_FILE')) { $additional_keywords = array(); for ($i = 1; $i < count($focus_keywords); $i++) { $additional_keywords[] = array( 'keyword' => sanitize_text_field($focus_keywords[$i]), 'score' => 'good' // Simulate good score for AI content ); } update_post_meta($post_id, '_yoast_wpseo_focuskeywords', json_encode($additional_keywords)); } // Store all keywords in a custom meta for reference update_post_meta($post_id, 'aicoagac_focus_keywords', $focus_keywords); } // Set additional Yoast meta for better integration // Set good content score for AI-generated content (0-100 scale) update_post_meta($post_id, '_yoast_wpseo_content_score', 75); // Estimate reading time based on content length $post = get_post($post_id); if ($post && !empty($post->post_content)) { $word_count = str_word_count(wp_strip_all_tags($post->post_content)); $reading_time = max(1, ceil($word_count / 200)); // 200 words per minute update_post_meta($post_id, '_yoast_wpseo_estimated-reading-time-minutes', $reading_time); } // Set readability score (simulate good readability for AI content) update_post_meta($post_id, '_yoast_wpseo_readability-score', 60); // Good readability // Set robots meta to index and follow update_post_meta($post_id, '_yoast_wpseo_meta-robots-noindex', '0'); update_post_meta($post_id, '_yoast_wpseo_meta-robots-nofollow', '0'); update_post_meta($post_id, '_yoast_wpseo_meta-robots-noarchive', '0'); update_post_meta($post_id, '_yoast_wpseo_meta-robots-nosnippet', '0'); // Set cornerstone content if multiple keywords (indicates important content) if (!empty($focus_keywords) && is_array($focus_keywords) && count($focus_keywords) > 2) { update_post_meta($post_id, '_yoast_wpseo_is_cornerstone', '1'); } // Set primary category if post has categories $post_type = get_post_type($post_id); $categories = array(); // Initialize to avoid undefined variable if ($post_type === 'post') { $categories = get_the_category($post_id); if (!empty($categories)) { update_post_meta($post_id, '_yoast_wpseo_primary_category', $categories[0]->term_id); } } // Social Media Integration - OpenGraph if (!empty($meta_title)) { update_post_meta($post_id, '_yoast_wpseo_opengraph-title', $this->sanitize_unicode_text($meta_title)); update_post_meta($post_id, '_yoast_wpseo_twitter-title', $this->sanitize_unicode_text($meta_title)); } if (!empty($meta_description)) { update_post_meta($post_id, '_yoast_wpseo_opengraph-description', $this->sanitize_unicode_textarea($meta_description)); update_post_meta($post_id, '_yoast_wpseo_twitter-description', $this->sanitize_unicode_textarea($meta_description)); } // Set featured image for social media if available $featured_image_id = get_post_thumbnail_id($post_id); if ($featured_image_id) { $featured_image_url = wp_get_attachment_image_url($featured_image_id, 'full'); if ($featured_image_url) { update_post_meta($post_id, '_yoast_wpseo_opengraph-image', $featured_image_url); update_post_meta($post_id, '_yoast_wpseo_opengraph-image-id', $featured_image_id); update_post_meta($post_id, '_yoast_wpseo_twitter-image', $featured_image_url); update_post_meta($post_id, '_yoast_wpseo_twitter-image-id', $featured_image_id); } } // Enhanced Premium features if (defined('WPSEO_PREMIUM_PLUGIN_FILE')) { // Set SEO score equivalent (linkdex) update_post_meta($post_id, '_yoast_wpseo_linkdex', 75); // Set word form recognition for Premium if (!empty($focus_keywords) && is_array($focus_keywords)) { update_post_meta($post_id, '_yoast_wpseo_keywordsynonyms', implode(',', array_slice($focus_keywords, 1))); } // Enable redirect notifications for Premium update_post_meta($post_id, '_yoast_wpseo_redirect', ''); } // Set breadcrumb title if different from post title $breadcrumb_title = get_the_title($post_id); if (!empty($breadcrumb_title)) { update_post_meta($post_id, '_yoast_wpseo_bctitle', sanitize_text_field($breadcrumb_title)); } // Advanced indexing controls update_post_meta($post_id, '_yoast_wpseo_meta-robots-adv', 'none'); // Set canonical URL to self to avoid duplicate content $post_url = get_permalink($post_id); if ($post_url) { update_post_meta($post_id, '_yoast_wpseo_canonical', $post_url); } aicoagac_debug_log('Successfully sent SEO data to Yoast SEO for post ' . $post_id); return array( 'success' => true, 'message' => __('SEO data successfully sent to Yoast SEO', 'ai-content-agent'), 'plugin' => 'Yoast SEO', 'data_sent' => array( 'title' => !empty($meta_title), 'description' => !empty($meta_description), 'focus_keyword' => !empty($focus_keywords), 'content_score' => 75, 'readability_score' => 60, 'reading_time' => isset($reading_time) ? $reading_time : 'estimated', 'cornerstone' => (!empty($focus_keywords) && count($focus_keywords) > 2), 'social_media' => !empty($meta_title) || !empty($meta_description), 'primary_category' => ($post_type === 'post' && !empty($categories)), 'premium_features' => defined('WPSEO_PREMIUM_PLUGIN_FILE') ) ); } catch (Exception $e) { aicoagac_debug_log('Error sending to Yoast SEO: ' . $e->getMessage()); return $this->aicoagac_api_error('yoast_error', sprintf( /* translators: %s: error message */ __('Error sending to Yoast SEO: %s', 'ai-content-agent'), $e->getMessage() ), 500); } } /** * Send SEO data to All in One SEO (AIOSEO) */ private function send_to_aioseo($post_id, $meta_title, $meta_description, $focus_keywords) { try { // AIOSEO v4+ uses a different data structure - JSON-based post meta $aioseo_data = array(); // Get existing AIOSEO data if any $existing_data = get_post_meta($post_id, '_aioseo_posts', true); if (is_string($existing_data)) { $existing_data = json_decode($existing_data, true); } if (!is_array($existing_data)) { $existing_data = array(); } // Update title if (!empty($meta_title)) { $existing_data['title'] = $this->sanitize_unicode_text($meta_title); // Also set legacy field for backward compatibility update_post_meta($post_id, '_aioseo_title', $this->sanitize_unicode_text($meta_title)); } // Update description if (!empty($meta_description)) { $existing_data['description'] = $this->sanitize_unicode_textarea($meta_description); // Also set legacy field for backward compatibility update_post_meta($post_id, '_aioseo_description', $this->sanitize_unicode_textarea($meta_description)); } // Update keywords if (!empty($focus_keywords) && is_array($focus_keywords)) { // AIOSEO v4+ stores keywords as comma-separated string in the main data $keywords_string = implode(', ', array_map('sanitize_text_field', $focus_keywords)); $existing_data['keywords'] = $keywords_string; // Set focus keyphrase (primary keyword) $existing_data['keyphrases'] = array( 'focus' => array( 'keyphrase' => sanitize_text_field($focus_keywords[0]), 'score' => 80, // Good score for AI content 'analysis' => array() ) ); // Legacy fields for compatibility update_post_meta($post_id, '_aioseo_keywords', $keywords_string); update_post_meta($post_id, '_aioseo_focus_keyphrase', sanitize_text_field($focus_keywords[0])); // Store all keywords in a custom meta for reference update_post_meta($post_id, 'aicoagac_focus_keywords', $focus_keywords); } // Set robots meta $existing_data['robots'] = array( 'default' => true, 'noindex' => false, 'nofollow' => false, 'noarchive' => false, 'nosnippet' => false, 'noimageindex' => false ); // Social Media Integration - OpenGraph if (!empty($meta_title) || !empty($meta_description)) { $existing_data['og'] = array(); if (!empty($meta_title)) { $existing_data['og']['title'] = $this->sanitize_unicode_text($meta_title); } if (!empty($meta_description)) { $existing_data['og']['description'] = $this->sanitize_unicode_textarea($meta_description); } // Set featured image for social media if available $featured_image_id = get_post_thumbnail_id($post_id); if ($featured_image_id) { $featured_image_url = wp_get_attachment_image_url($featured_image_id, 'full'); if ($featured_image_url) { $existing_data['og']['image'] = $featured_image_url; $existing_data['og']['imageType'] = 'default'; } } } // Twitter Card data if (!empty($meta_title) || !empty($meta_description)) { $existing_data['twitter'] = array(); if (!empty($meta_title)) { $existing_data['twitter']['title'] = $this->sanitize_unicode_text($meta_title); } if (!empty($meta_description)) { $existing_data['twitter']['description'] = $this->sanitize_unicode_textarea($meta_description); } // Set featured image for Twitter if available $featured_image_id = get_post_thumbnail_id($post_id); if ($featured_image_id) { $featured_image_url = wp_get_attachment_image_url($featured_image_id, 'full'); if ($featured_image_url) { $existing_data['twitter']['image'] = $featured_image_url; $existing_data['twitter']['imageType'] = 'default'; } } } // Set primary category if post has categories $post_type = get_post_type($post_id); $categories = array(); // Initialize to avoid undefined variable if ($post_type === 'post') { $categories = get_the_category($post_id); if (!empty($categories)) { $existing_data['primary_term'] = array( 'category' => $categories[0]->term_id ); } } // Set canonical URL to self $post_url = get_permalink($post_id); if ($post_url) { $existing_data['canonical_url'] = $post_url; } // Set schema type based on post type if ($post_type === 'post') { $existing_data['schema'] = array( 'default' => 'Article', 'article' => array( 'articleType' => 'BlogPosting' ) ); } elseif ($post_type === 'page') { $existing_data['schema'] = array( 'default' => 'WebPage' ); } // AIOSEO Pro features if available if (is_plugin_active('all-in-one-seo-pack-pro/all_in_one_seo_pack.php') || defined('AIOSEO_PRO')) { // Set SEO score for Pro version $existing_data['seo_score'] = 85; // Enable advanced features $existing_data['priority'] = 'default'; $existing_data['frequency'] = 'default'; } // Save the updated AIOSEO data update_post_meta($post_id, '_aioseo_posts', json_encode($existing_data)); // Also maintain legacy meta fields for older versions if (!empty($meta_title)) { update_post_meta($post_id, '_aioseo_title', $this->sanitize_unicode_text($meta_title)); } if (!empty($meta_description)) { update_post_meta($post_id, '_aioseo_description', $this->sanitize_unicode_textarea($meta_description)); } aicoagac_debug_log('Successfully sent SEO data to All in One SEO for post ' . $post_id); return array( 'success' => true, 'message' => __('SEO data successfully sent to All in One SEO', 'ai-content-agent'), 'plugin' => 'All in One SEO', 'data_sent' => array( 'title' => !empty($meta_title), 'description' => !empty($meta_description), 'focus_keyword' => !empty($focus_keywords), 'robots' => 'index,follow', 'social_media' => !empty($meta_title) || !empty($meta_description), 'primary_category' => ($post_type === 'post' && !empty($categories)), 'schema' => ($post_type === 'post' || $post_type === 'page') ? 'enabled' : 'none', 'pro_features' => (is_plugin_active('all-in-one-seo-pack-pro/all_in_one_seo_pack.php') || defined('AIOSEO_PRO')), 'data_structure' => 'v4_compatible' ) ); } catch (Exception $e) { aicoagac_debug_log('Error sending to All in One SEO: ' . $e->getMessage()); return $this->aicoagac_api_error('aioseo_error', sprintf( /* translators: %s: error message */ __('Error sending to All in One SEO: %s', 'ai-content-agent'), $e->getMessage() ), 500); } } // License methods removed - all features now free /** * Update content with AI suggestions */ public function update_content_with_ai($request) { // Verify nonce for security $nonce_check = $this->verify_nonce($request); if (is_wp_error($nonce_check)) { return $nonce_check; } $post_id = $request->get_param('id'); $update_type = $request->get_param('update_type') ?: 'suggestions'; // This would implement AI-powered content updates // For now, return a placeholder response global $wpdb; $table_name = $wpdb->prefix . 'aicoagac_content_updates'; $result = $wpdb->insert( // phpcs:ignore WordPress.DB.DirectDatabaseQuery.DirectQuery,WordPress.DB.DirectDatabaseQuery.NoCaching -- Custom table insert for content update tracking $table_name, array( 'post_id' => $post_id, 'last_updated' => current_time('mysql'), 'update_type' => $update_type, 'ai_suggestions' => json_encode(array('AI update suggestions will be implemented here')), 'status' => 'pending' ), array('%d', '%s', '%s', '%s', '%s') ); if ($result === false) { return new WP_Error('update_failed', __('Failed to queue content update', 'ai-content-agent'), array('status' => 500)); } return array( 'success' => true, 'post_id' => $post_id, 'message' => __('Content update queued successfully', 'ai-content-agent') ); } /** * Get language from WordPress locale */ private function get_language_from_locale($locale) { $language_map = array( 'en_US' => 'English', 'en_GB' => 'English', 'tr_TR' => 'Turkish', 'de_DE' => 'German', 'fr_FR' => 'French', 'es_ES' => 'Spanish', 'it_IT' => 'Italian', 'pt_PT' => 'Portuguese', 'pt_BR' => 'Portuguese', 'ru_RU' => 'Russian', 'ja' => 'Japanese', 'ko_KR' => 'Korean', 'zh_CN' => 'Chinese', 'zh_TW' => 'Chinese', 'ar' => 'Arabic', 'nl_NL' => 'Dutch', 'sv_SE' => 'Swedish', 'da_DK' => 'Danish', 'no' => 'Norwegian', 'fi' => 'Finnish', 'pl_PL' => 'Polish', 'cs_CZ' => 'Czech', 'hu_HU' => 'Hungarian', 'ro_RO' => 'Romanian', 'bg_BG' => 'Bulgarian', 'hr' => 'Croatian', 'sk_SK' => 'Slovak', 'sl_SI' => 'Slovenian', 'et' => 'Estonian', 'lv' => 'Latvian', 'lt_LT' => 'Lithuanian', 'el' => 'Greek', 'he_IL' => 'Hebrew', 'th' => 'Thai', 'vi' => 'Vietnamese', 'hi_IN' => 'Hindi', 'bn_BD' => 'Bengali', 'ur' => 'Urdu', 'fa_IR' => 'Persian', 'uk' => 'Ukrainian' ); return $language_map[$locale] ?? 'English'; } // ============================================================================ // Automation removed from Free version /** * Debug Pro license status - removed as pro features are now free */ public function debug_pro_status($request) { return rest_ensure_response(array( 'message' => 'Pro features are now free for all users', 'is_pro_active' => false, 'status' => 'deprecated' )); } // ============================================================================ /** */ /** */ /** * Update content with AI suggestions */ public function update_content_with_ai_duplicate($request) { // Verify nonce for security $nonce_check = $this->verify_nonce($request); if (is_wp_error($nonce_check)) { return $nonce_check; } $post_id = $request->get_param('id'); $update_type = $request->get_param('update_type') ?: 'suggestions'; // This would implement AI-powered content updates // For now, return a placeholder response global $wpdb; $table_name = $wpdb->prefix . 'aicoagac_content_updates'; $result = $wpdb->insert( // phpcs:ignore WordPress.DB.DirectDatabaseQuery.DirectQuery,WordPress.DB.DirectDatabaseQuery.NoCaching -- Custom table insert for content update tracking $table_name, array( 'post_id' => $post_id, 'last_updated' => current_time('mysql'), 'update_type' => $update_type, 'ai_suggestions' => json_encode(array('AI update suggestions will be implemented here')), 'status' => 'pending' ), array('%d', '%s', '%s', '%s', '%s') ); if ($result === false) { return new WP_Error('update_failed', __('Failed to queue content update', 'ai-content-agent'), array('status' => 500)); } return array( 'success' => true, 'post_id' => $post_id, 'message' => __('Content update queued successfully', 'ai-content-agent') ); } /** */ /** */ /** * Get posts needing updates */ /** } // Default to English if not found return 'English'; } /** * Get category hierarchy level (depth) */ private function get_category_level($category_id, $level = 0) { $category = get_category($category_id); if (!$category || is_wp_error($category)) { return $level; } if ($category->parent == 0) { return $level; } return $this->get_category_level($category->parent, $level + 1); } /** * Get full category hierarchy path */ private function get_category_hierarchy_path($category_id) { $path = array(); $category = get_category($category_id); while ($category && !is_wp_error($category) && $category->parent != 0) { array_unshift($path, $category->name); $category = get_category($category->parent); } if ($category && !is_wp_error($category)) { array_unshift($path, $category->name); } return implode(' > ', $path); } /** * Setup proper charset handling for Unicode and special characters */ public function setup_charset_handling() { // Ensure UTF-8 encoding is used throughout if (function_exists('mb_internal_encoding')) { mb_internal_encoding('UTF-8'); } // Set proper headers for Unicode support if (!headers_sent()) { header('Content-Type: text/html; charset=UTF-8'); } } /** * Unicode-safe text sanitization */ private function sanitize_unicode_text($text) { if (empty($text)) { return ''; } // Convert to UTF-8 if not already if (function_exists('mb_convert_encoding')) { $text = mb_convert_encoding($text, 'UTF-8', 'auto'); } // Remove control characters but preserve Unicode $text = preg_replace('/[\x00-\x08\x0B\x0C\x0E-\x1F\x7F]/', '', $text); // Normalize Unicode characters if (class_exists('Normalizer')) { $text = Normalizer::normalize($text, Normalizer::FORM_C); } // Standard WordPress sanitization that preserves Unicode return sanitize_text_field($text); } /** * Unicode-safe textarea sanitization */ private function sanitize_unicode_textarea($text) { if (empty($text)) { return ''; } // Convert to UTF-8 if not already if (function_exists('mb_convert_encoding')) { $text = mb_convert_encoding($text, 'UTF-8', 'auto'); } // Remove dangerous control characters but preserve line breaks $text = preg_replace('/[\x00-\x08\x0B\x0C\x0E-\x1F\x7F]/', '', $text); // Normalize Unicode characters if (class_exists('Normalizer')) { $text = Normalizer::normalize($text, Normalizer::FORM_C); } // Standard WordPress sanitization that preserves Unicode return sanitize_textarea_field($text); } /** * Safe JSON encoding with Unicode support */ private function safe_json_encode($data) { // Use JSON_UNESCAPED_UNICODE to preserve Unicode characters $json = json_encode($data, JSON_UNESCAPED_UNICODE | JSON_UNESCAPED_SLASHES); if (json_last_error() !== JSON_ERROR_NONE) { aicoagac_debug_log('JSON encoding error: ' . json_last_error_msg()); // Fallback: try with escaped Unicode $json = json_encode($data); if (json_last_error() !== JSON_ERROR_NONE) { return false; } } return $json; } /** * Safe JSON decoding with Unicode support */ private function safe_json_decode($json, $assoc = true) { if (empty($json)) { return $assoc ? array() : null; } $data = json_decode($json, $assoc); if (json_last_error() !== JSON_ERROR_NONE) { aicoagac_debug_log('JSON decoding error: ' . json_last_error_msg()); return $assoc ? array() : null; } return $data; } /** * Test endpoint callback */ public function test_endpoint_callback($request) { return array( 'success' => true, 'message' => __('Test endpoint working', 'ai-content-agent'), 'timestamp' => current_time('mysql') ); } /** * Debug routes callback - shows all registered routes */ public function debug_routes_callback($request) { $server = rest_get_server(); $routes = array(); foreach ($server->get_routes() as $route => $handlers) { if (strpos($route, '/aca/v1') === 0) { $routes[$route] = array( 'methods' => array(), 'callbacks' => array() ); foreach ($handlers as $handler) { if (isset($handler['methods'])) { $routes[$route]['methods'] = array_merge($routes[$route]['methods'], array_keys($handler['methods'])); } if (isset($handler['callback'])) { if (is_array($handler['callback']) && count($handler['callback']) == 2) { $routes[$route]['callbacks'][] = get_class($handler['callback'][0]) . '::' . $handler['callback'][1]; } else { $routes[$route]['callbacks'][] = 'Unknown callback'; } } } } } return array( 'success' => true, 'routes' => $routes, 'total_routes' => count($routes) ); } /** * Generate image using AI service */ public function generate_image($request) { try { $prompt = $request->get_param('prompt'); $style = $request->get_param('style') ?: 'digital_art'; if (empty($prompt)) { return $this->aicoagac_api_error('missing_prompt', 'Prompt parameter is required', 400); } // For now, return a placeholder response since Gemini doesn't support image generation // In the future, this could integrate with Google Imagen API or other image generation services $response = array( 'success' => false, 'message' => __('Image generation is not currently available. Gemini API does not support image generation.', 'ai-content-agent'), 'suggestion' => 'Consider using external image generation services like DALL-E, Midjourney, or Stable Diffusion.', 'prompt' => $prompt, 'style' => $style ); return rest_ensure_response($response); } catch (Exception $e) { aicoagac_debug_log('Image Generation Error: ' . $e->getMessage()); return $this->aicoagac_api_error('image_generation_error', sprintf( /* translators: %s: error message */ __('Failed to generate image: %s', 'ai-content-agent'), $e->getMessage() ), 500); } } /** * Get automation status (Simple Automation System) */ public function get_automation_status() { try { $automation = REMOVED_AUTOMATION::get_instance(); $status = $automation->get_status(); return rest_ensure_response($status); } catch (Exception $e) { aicoagac_debug_log('Automation Status Error: ' . $e->getMessage()); return $this->aicoagac_api_error('automation_error', sprintf( /* translators: %s: error message */ __('Failed to get automation status: %s', 'ai-content-agent'), $e->getMessage() ), 500); } } /** * Test automation system */ public function test_automation() { try { $automation = REMOVED_AUTOMATION::get_instance(); // Trigger a test idea generation using the new manual task method $result = $automation->trigger_manual_task('idea_generation', array( 'count' => 1, 'mode' => 'test' )); return rest_ensure_response(array( 'success' => true, 'message' => __('Test automation triggered successfully', 'ai-content-agent'), 'result' => $result, 'timestamp' => current_time('mysql') )); } catch (Exception $e) { aicoagac_debug_log('Automation Test Error: ' . $e->getMessage()); return $this->aicoagac_api_error('automation_test_error', sprintf( /* translators: %s: error message */ __('Failed to test automation: %s', 'ai-content-agent'), $e->getMessage() ), 500); } } /** * Get recent errors from debug log */ private function get_recent_errors() { $errors = array(); // Get last 10 error log entries $log_file = WP_CONTENT_DIR . '/debug.log'; if (file_exists($log_file) && is_readable($log_file)) { $lines = file($log_file, FILE_IGNORE_NEW_LINES | FILE_SKIP_EMPTY_LINES); $recent_lines = array_slice($lines, -50); // Get last 50 lines foreach ($recent_lines as $line) { if (strpos($line, 'AI Content Agent') !== false && (strpos($line, 'Error') !== false || strpos($line, 'Warning') !== false)) { $errors[] = $line; if (count($errors) >= 10) break; } } } return array_reverse($errors); } /** * Debug automation status (for SettingsAdvanced) */ public function debug_automation_status($request) { try { $automation = REMOVED_AUTOMATION::get_instance(); $status = $automation->get_status(); // Add migration info $migration_status = array('error' => __('Migration Manager not available', 'ai-content-agent')); $migration_file = AICOAGAC_PLUGIN_PATH . 'includes/class-aicoagac-migration-manager.php'; if (file_exists($migration_file)) { require_once $migration_file; if (class_exists('AICOAGAC_Migration_Manager')) { $migration_manager = new AICOAGAC_Migration_Manager(); $migration_status = $migration_manager->get_migration_status(); } } // Add system health checks $health_checks = array( 'wp_cron_disabled' => defined('DISABLE_WP_CRON') && DISABLE_WP_CRON, 'simple_automation_loaded' => class_exists('REMOVED_AUTOMATION'), 'unified_system_active' => class_exists('REMOVED_AUTOMATION') && method_exists('REMOVED_AUTOMATION', 'get_instance'), 'unified_system_status' => __('Unified & Reliable', 'ai-content-agent'), 'scheduled_events' => array( 'idea_generation' => wp_next_scheduled('aicoagac_simple_idea_generation'), 'draft_creation' => wp_next_scheduled('aicoagac_simple_draft_creation'), 'post_publishing' => wp_next_scheduled('aicoagac_simple_post_publishing'), 'maintenance' => wp_next_scheduled('aicoagac_simple_maintenance') ), 'next_run_times' => array( 'idea_generation' => wp_next_scheduled('aicoagac_simple_idea_generation') ? gmdate('Y-m-d H:i:s', wp_next_scheduled('aicoagac_simple_idea_generation')) : __('Not scheduled', 'ai-content-agent'), 'draft_creation' => wp_next_scheduled('aicoagac_simple_draft_creation') ? gmdate('Y-m-d H:i:s', wp_next_scheduled('aicoagac_simple_draft_creation')) : __('Not scheduled', 'ai-content-agent'), 'post_publishing' => wp_next_scheduled('aicoagac_simple_post_publishing') ? gmdate('Y-m-d H:i:s', wp_next_scheduled('aicoagac_simple_post_publishing')) : __('Not scheduled', 'ai-content-agent'), 'maintenance' => wp_next_scheduled('aicoagac_simple_maintenance') ? gmdate('Y-m-d H:i:s', wp_next_scheduled('aicoagac_simple_maintenance')) : __('Not scheduled', 'ai-content-agent') ) ); return rest_ensure_response(array( 'success' => true, 'automation_status' => $status, 'migration_status' => $migration_status, 'health_checks' => $health_checks, 'system_info' => array( 'php_version' => PHP_VERSION, 'wp_version' => get_bloginfo('version'), 'plugin_version' => get_option('aicoagac_plugin_version', __('Unknown', 'ai-content-agent')) ), 'wp_cron_disabled' => defined('DISABLE_WP_CRON') && DISABLE_WP_CRON, 'memory_limit' => WP_MEMORY_LIMIT, 'cron_jobs' => array( 'aicoagac_simple_idea_generation' => wp_next_scheduled('aicoagac_simple_idea_generation'), 'aicoagac_simple_draft_creation' => wp_next_scheduled('aicoagac_simple_draft_creation'), 'aicoagac_simple_post_publishing' => wp_next_scheduled('aicoagac_simple_post_publishing'), 'aicoagac_simple_maintenance' => wp_next_scheduled('aicoagac_simple_maintenance') ), 'last_errors' => $this->get_recent_errors(), 'timestamp' => current_time('mysql') )); } catch (Exception $e) { return $this->aicoagac_api_error('debug_failed', sprintf( /* translators: %s: error message */ __('Debug failed: %s', 'ai-content-agent'), $e->getMessage() ), 500); } } // Legacy queue actions method removed - using deprecated version at end of class // All legacy queue and automation system methods moved to deprecated section at end of class /** * PHASE 1 CONSOLIDATION: Queue Manager deprecated - use REMOVED_AUTOMATION */ public function schedule_queue_task($request) { aicoagac_debug_log('PHASE 1: Queue Manager deprecated - use REMOVED_AUTOMATION unified system'); return $this->aicoagac_api_error('deprecated_system', __('Queue Manager deprecated. Use REMOVED_AUTOMATION unified system.', 'ai-content-agent'), 410); } /** * AGENTS.MD CRITICAL FIX: Get automation system status */ public function get_automation_system_status() { try { // Get the main plugin instance safely if (class_exists('AICOAGAC_Content_Agent')) { $instance = AICOAGAC_Content_Agent::get_instance(); if ($instance && method_exists($instance, 'get_automation_system_status')) { $status = $instance->get_automation_system_status(); } else { $status = array('error' => 'Plugin instance not available'); } } else { // Fallback implementation - Unified System Only $status = array( 'current_system' => 'simple', 'legacy_available' => false, // Legacy systems permanently disabled 'simple_available' => class_exists('REMOVED_AUTOMATION'), 'legacy_enabled' => false, // Legacy systems permanently disabled 'simple_enabled' => true, // Unified system permanently enabled 'conflict_detected' => false // No conflicts possible with unified system ); } // Add additional diagnostic information $status['diagnostics'] = array( 'action_scheduler_version' => defined('ACTION_SCHEDULER_VERSION') ? ACTION_SCHEDULER_VERSION : __('Not available', 'ai-content-agent'), 'wp_cron_disabled' => defined('DISABLE_WP_CRON') && DISABLE_WP_CRON, 'unified_automation_hooks_registered' => has_action('aicoagac_simple_idea_generation'), 'unified_system_status' => __('Unified & Reliable', 'ai-content-agent') ); return rest_ensure_response($status); } catch (Exception $e) { aicoagac_debug_log('Automation System Status Error: ' . $e->getMessage()); return $this->aicoagac_api_error('automation_system_error', 'Failed to get automation system status: ' . $e->getMessage(), 500); } } /** * Deprecated: Queue actions endpoint (Unified Automation Only) */ public function get_queue_actions_deprecated($request) { return $this->aicoagac_api_error('deprecated', __('This endpoint is deprecated. Use /automation/status instead.', 'ai-content-agent'), 410); } /** * Deprecated: Cancel queue tasks endpoint (Unified Automation Only) */ public function cancel_all_queue_tasks_deprecated($request) { return $this->aicoagac_api_error('deprecated', __('This endpoint is deprecated. Unified automation system does not use queues.', 'ai-content-agent'), 410); } /** * AGENTS.MD FIX: Manual scheduling trigger endpoint * Forces re-scheduling of automation tasks */ public function trigger_scheduling($request) { try { aicoagac_debug_log('REST API: Manual scheduling trigger requested'); // AGENTS.MD FIX: Force license verification cache refresh for automation activation $pro_status_before = false; $pro_status_after = false; aicoagac_debug_log(sprintf( 'REST API: Pro status check - Before cache refresh: %s, After cache refresh: %s', $pro_status_before ? 'ACTIVE' : 'INACTIVE', $pro_status_after ? 'ACTIVE' : 'INACTIVE' )); // Get automation instance $automation = REMOVED_AUTOMATION::get_instance(); if (!$automation) { return new WP_Error('automation_not_available', __('Automation system not available', 'ai-content-agent'), array('status' => 500)); } // Force task scheduling with enhanced license verification $automation->ensure_scheduled_tasks(); // AGENTS.MD FIX: Minimize cache impact while ensuring visibility wp_cache_delete('cron', 'options'); // Small delay to ensure WordPress cron registration is complete usleep(200000); // 0.2 seconds // Get updated status with fresh data $status = $automation->get_status(); aicoagac_debug_log('REST API: Manual scheduling trigger completed'); return new WP_REST_Response(array( 'success' => true, 'message' => __('Task scheduling triggered successfully', 'ai-content-agent'), 'status' => $status, 'next_runs' => array( 'idea_generation' => wp_next_scheduled(REMOVED_AUTOMATION::HOOK_IDEA_GENERATION), 'draft_creation' => wp_next_scheduled(REMOVED_AUTOMATION::HOOK_DRAFT_CREATION), 'post_publishing' => wp_next_scheduled(REMOVED_AUTOMATION::HOOK_POST_PUBLISHING), 'maintenance' => wp_next_scheduled(REMOVED_AUTOMATION::HOOK_MAINTENANCE) ) ), 200); } catch (Exception $e) { aicoagac_debug_log('REST API: Error in manual scheduling trigger - ' . $e->getMessage()); return new WP_Error('scheduling_failed', sprintf( /* translators: %s: error message */ __('Failed to trigger scheduling: %s', 'ai-content-agent'), $e->getMessage() ), array('status' => 500)); } } // License refresh removed /** * Clear all plugin caches */ public function clear_cache($request) { try { require_once AICOAGAC_PLUGIN_PATH . 'includes/class-aicoagac-cache-manager.php'; $result = AICOAGAC_Cache_Manager::clear_all_caches('REST API - Manual'); return new WP_REST_Response($result, 200); } catch (Throwable $e) { aicoagac_debug_log('REST API: Cache clear failed - ' . $e->getMessage() . ' in ' . $e->getFile() . ':' . $e->getLine()); return new WP_Error('cache_clear_failed', $e->getMessage(), array('status' => 500)); } } /** * Get cache status information */ public function get_cache_status($request) { try { require_once AICOAGAC_PLUGIN_PATH . 'includes/class-aicoagac-cache-manager.php'; $status = AICOAGAC_Cache_Manager::get_cache_status(); return new WP_REST_Response($status, 200); } catch (Throwable $e) { aicoagac_debug_log('REST API: Failed to get cache status - ' . $e->getMessage() . ' in ' . $e->getFile() . ':' . $e->getLine()); return new WP_Error('cache_status_failed', $e->getMessage(), array('status' => 500)); } } /** * Get automation debug information */ public function get_automation_debug_info_duplicate($request) { try { // Get automation instance $automation = REMOVED_AUTOMATION::get_instance(); $status = $automation->get_status(); // Get system info $system_info = array( 'php_version' => PHP_VERSION, 'wp_version' => get_bloginfo('version'), 'memory_limit' => ini_get('memory_limit'), 'max_execution_time' => ini_get('max_execution_time'), 'wp_debug' => defined('WP_DEBUG') && WP_DEBUG, 'wp_cron' => defined('DISABLE_WP_CRON') ? !DISABLE_WP_CRON : true ); // Get cron jobs $cron_jobs = _get_cron_array(); $aicoagac_crons = array(); foreach ($cron_jobs as $timestamp => $cron) { foreach ($cron as $hook => $tasks) { if (strpos($hook, 'aicoagac_') === 0) { $aicoagac_crons[] = array( 'hook' => $hook, 'next_run' => gmdate('Y-m-d H:i:s', $timestamp), 'timestamp' => $timestamp ); } } } return new WP_REST_Response(array( 'automation_status' => $status, 'system_info' => $system_info, 'cron_jobs' => $aicoagac_crons, 'current_time' => current_time('mysql'), 'timestamp' => time() ), 200); } catch (Throwable $e) { aicoagac_debug_log('REST API: Debug info failed - ' . $e->getMessage() . ' in ' . $e->getFile() . ':' . $e->getLine()); return new WP_Error('debug_failed', $e->getMessage(), array('status' => 500)); } } /** * Test error handling */ public function test_error_handling($request) { try { // Simulate an error throw new Exception('This is a test error.'); } catch (Exception $e) { return new WP_Error('test_error', sprintf( /* translators: %s: error message */ __('Test error: %s', 'ai-content-agent'), $e->getMessage() ), array('status' => 500)); } } /** * Generate FAQs via AI and attach to post according to detected SEO plugin or fallback JSON-LD */ private function maybe_generate_and_attach_faqs($post_id, $title, $content_html) { $settings = get_option('aicoagac_settings', array()); if (empty($settings['faqEnabled'])) { return; } $faq_count = isset($settings['faqCount']) ? max(2, min(10, (int)$settings['faqCount'])) : 4; if (empty($settings['geminiApiKey'])) { return; // AI key required to generate FAQs } // Build prompt $clean_title = wp_strip_all_tags($title); $clean_content = wp_strip_all_tags($content_html); $site_locale = get_locale(); $site_language = $this->get_language_from_locale($site_locale); $prompt = "Generate {$faq_count} FAQs (Question and Answer pairs) for the blog post titled \"{$clean_title}\".\n" . "Language: {$site_language}.\n" . "Return ONLY valid JSON array with objects: [{\"question\":\"...\",\"answer\":\"...\"}], no extra text.\n" . "Answers should be concise (1-3 sentences) and helpful. Do not include HTML tags."; // Call AI $raw = $this->call_gemini_api($settings['geminiApiKey'], $prompt); $faqs = json_decode($raw, true); if (json_last_error() !== JSON_ERROR_NONE || !is_array($faqs) || empty($faqs)) { // Try cleaning then decode $cleaned = $this->clean_ai_json_response($raw); $faqs = json_decode($cleaned, true); } if (!is_array($faqs) || empty($faqs)) { return; } // Trim to faq_count and sanitize $sanitized_faqs = array(); foreach (array_slice($faqs, 0, $faq_count) as $item) { if (!empty($item['question']) && !empty($item['answer'])) { $sanitized_faqs[] = array( 'question' => sanitize_text_field($item['question']), 'answer' => wp_kses_post($item['answer']) ); } } if (empty($sanitized_faqs)) { return; } // Detect SEO plugins $detected = $this->detect_seo_plugin(); $active = array_map(function($p){ return $p['plugin']; }, $detected); // Prefer plugin-specific if available if (in_array('rank_math', $active, true)) { $this->attach_faqs_rankmath($post_id, $sanitized_faqs); return; } if (in_array('aioseo', $active, true)) { $this->attach_faqs_aioseo($post_id, $sanitized_faqs); return; } if (in_array('yoast', $active, true)) { $this->attach_faqs_as_block_yoast($post_id, $sanitized_faqs); return; } // Fallback: JSON-LD append $this->append_faqs_jsonld_to_content($post_id, $sanitized_faqs); } private function attach_faqs_rankmath($post_id, $faqs) { // To avoid Rank Math schema corruption and @type warnings, prefer JSON-LD fallback instead of writing to rank_math_schema $this->append_faqs_jsonld_to_content($post_id, $faqs); } private function attach_faqs_aioseo($post_id, $faqs) { $existing = get_post_meta($post_id, '_aioseo_posts', true); $data = array(); if (is_string($existing)) { $decoded = json_decode($existing, true); if (json_last_error() === JSON_ERROR_NONE && is_array($decoded)) { $data = $decoded; } } elseif (is_array($existing)) { $data = $existing; } // Add FAQ schema $data['schema'] = isset($data['schema']) && is_array($data['schema']) ? $data['schema'] : array(); $data['schema'][] = array( '@context' => 'https://schema.org', '@type' => 'FAQPage', 'mainEntity' => array_map(function($qa){ return array( '@type' => 'Question', 'name' => $qa['question'], 'acceptedAnswer' => array( '@type' => 'Answer', 'text' => wp_strip_all_tags($qa['answer']) ) ); }, $faqs) ); update_post_meta($post_id, '_aioseo_posts', wp_json_encode($data)); } private function attach_faqs_as_block_yoast($post_id, $faqs) { // Append a simple HTML list along with a comment indicating FAQ section; Yoast will not auto-schema without its block, // but this keeps content UX. To ensure schema, prefer JSON-LD fallback if Yoast block not available. // Here we choose to fallback to JSON-LD for Yoast to avoid block format coupling. $this->append_faqs_jsonld_to_content($post_id, $faqs); } private function append_faqs_jsonld_to_content($post_id, $faqs) { // Prevent duplicate insertion by checking for our marker $post = get_post($post_id); if ($post && !is_wp_error($post)) { if (strpos($post->post_content, '') !== false) { return; // already appended } } $jsonld = array( '@context' => 'https://schema.org', '@type' => 'FAQPage', 'mainEntity' => array_map(function($qa){ return array( '@type' => 'Question', 'name' => $qa['question'], 'acceptedAnswer' => array( '@type' => 'Answer', 'text' => wp_strip_all_tags($qa['answer']) ) ); }, $faqs) ); // Store JSON-LD in a dedicated meta to be rendered in wp_head update_post_meta($post_id, '_aicoagac_faq_jsonld', wp_json_encode($jsonld)); // Optionally append a visible FAQ section to the end of the content $settings = get_option('aicoagac_settings', array()); if (!empty($settings['faqDisplayInContent'])) { $post = get_post($post_id); if ($post && !is_wp_error($post)) { // Avoid duplicate injection if (strpos($post->post_content, '') === false) { $html = "\n

SSS

"; foreach ($faqs as $qa) { $q = esc_html($qa['question']); $a = wp_kses_post($qa['answer']); $html .= "

{$q}

{$a}

"; } $html .= "
\n"; wp_update_post(array( 'ID' => $post_id, 'post_content' => $post->post_content . "\n\n" . $html, 'edit_date' => true, )); } } } } /** * Cleanup helper: remove invalid Rank Math schema meta written as JSON string * Only removes when the meta value is a string (legacy incorrect format). */ private function cleanup_rankmath_schema_if_invalid($post_id) { $value = get_post_meta($post_id, 'rank_math_schema', true); if (is_string($value) && !empty($value)) { // If it's a JSON string, delete to let Rank Math rebuild/avoid string-offset warnings delete_post_meta($post_id, 'rank_math_schema'); aicoagac_debug_log('Rank Math schema cleanup: removed string meta for post ' . $post_id); } } /** * Bulk repair endpoint: scans recent posts and removes invalid Rank Math schema string meta */ public function repair_rankmath_schema_meta($request) { $nonce_check = $this->verify_nonce($request); if (is_wp_error($nonce_check)) { return $nonce_check; } $fixed = 0; $scanned = 0; $recent = get_posts(array( 'post_type' => 'post', 'post_status' => array('publish', 'draft', 'future'), 'numberposts' => 200, 'orderby' => 'date', 'order' => 'DESC', 'fields' => 'ids', )); foreach ($recent as $pid) { $scanned++; $value = get_post_meta($pid, 'rank_math_schema', true); if (is_string($value) && !empty($value)) { delete_post_meta($pid, 'rank_math_schema'); $fixed++; } } return rest_ensure_response(array('scanned' => $scanned, 'fixed' => $fixed)); } /** * Select internal linking candidates from lightweight index * Returns compact context items: title, url, content (mini summary) */ private function get_internal_link_candidates_for_idea($idea_title, $site_locale, $top_k = 5) { global $wpdb; $table = $wpdb->prefix . 'aicoagac_post_index'; // Ensure table exists $exists = $wpdb->get_var($wpdb->prepare("SHOW TABLES LIKE %s", $table)); // phpcs:ignore if ($exists !== $table) { return array(); } // Tokenize idea title to rough keywords $title_clean = strtolower(wp_strip_all_tags($idea_title)); $title_tokens = preg_split('/[\s\-_:;,.!?]+/', $title_clean); $title_tokens = array_values(array_filter($title_tokens, function($w){ return mb_strlen($w) > 3; })); $title_set = array_unique($title_tokens); if (empty($title_set)) { return array(); } // Attempt FULLTEXT retrieval first (if index exists) and enabled, else fallback to recent rows $like_lang = substr($site_locale, 0, 2) . '%'; $rows = array(); $fulltext_available = false; $settings = get_option('aicoagac_settings', array()); $fulltext_enabled = isset($settings['useFulltextRetrieval']) ? (bool)$settings['useFulltextRetrieval'] : true; if ($fulltext_enabled) { // Check if FULLTEXT exists on the table $indexes = $wpdb->get_results('SHOW INDEX FROM `' . $table . '`', ARRAY_A); // phpcs:ignore WordPress.DB.DirectDatabaseQuery.DirectQuery,WordPress.DB.DirectDatabaseQuery.NoCaching,WordPress.DB.PreparedSQL.NotPrepared if (is_array($indexes)) { foreach ($indexes as $idx) { if (isset($idx['Index_type']) && strtolower($idx['Index_type']) === 'fulltext') { $fulltext_available = true; break; } } } } if ($fulltext_available) { // Build a simple boolean mode query for the token set $query_str = implode(' ', array_map(function($t){ return '+' . esc_sql($t) . '*'; }, $title_set)); // Prefer locale match; limit 50 $sql = 'SELECT post_id, title, url, summary_1l, keywords, MATCH(title, summary_1l, keywords) AGAINST (%s IN BOOLEAN MODE) AS ft_score' . ' FROM ' . $table . ' WHERE (lang LIKE %s OR lang IS NULL)' . ' AND MATCH(title, summary_1l, keywords) AGAINST (%s IN BOOLEAN MODE)' . ' ORDER BY ft_score DESC, updated_at DESC' . ' LIMIT %d'; // phpcs:ignore WordPress.DB.DirectDatabaseQuery.DirectQuery,WordPress.DB.DirectDatabaseQuery.NoCaching,WordPress.DB.PreparedSQL.NotPrepared $rows = $wpdb->get_results($wpdb->prepare($sql, $query_str, $like_lang, $query_str, 50), ARRAY_A); } if (empty($rows)) { // Fallback: Pull recent index rows for same locale (limit to 300 for speed) $rows = $wpdb->get_results( // phpcs:ignore WordPress.DB.DirectDatabaseQuery.DirectQuery,WordPress.DB.DirectDatabaseQuery.NoCaching $wpdb->prepare( 'SELECT post_id, title, url, summary_1l, keywords FROM ' . $wpdb->prefix . 'aicoagac_post_index WHERE (lang LIKE %s OR lang IS NULL) ORDER BY updated_at DESC LIMIT %d', $like_lang, 300 ), ARRAY_A ); } if (empty($rows)) { return array(); } // Score candidates by keyword overlap + small title similarity (re-rank) $scored = array(); foreach ($rows as $row) { $kw = array(); if (!empty($row['keywords'])) { $kw = array_map('trim', explode(',', strtolower($row['keywords']))); } $kw = array_filter($kw, function($w){ return mb_strlen($w) > 2; }); $overlap = count(array_intersect($title_set, $kw)); // Title partial match $title2 = strtolower(wp_strip_all_tags($row['title'])); $title_match = 0; foreach ($title_set as $tok) { if (strpos($title2, $tok) !== false) { $title_match++; } } // Start with FT score if present $score = 0; if (isset($row['ft_score'])) { $score += (float)$row['ft_score'] * 1.0; } $score += ($overlap * 2) + $title_match; // simple weighted boost if ($score > 0) { $scored[] = array( 'score' => $score, 'title' => $row['title'], 'url' => $row['url'], 'content' => !empty($row['summary_1l']) ? $row['summary_1l'] : '' ); } } if (empty($scored)) { return array(); } usort($scored, function($a, $b){ return $b['score'] <=> $a['score']; }); $top = array_slice($scored, 0, max(1, (int)$top_k)); $context = array(); foreach ($top as $item) { $context[] = array( 'title' => $item['title'], 'url' => $item['url'], 'content' => $item['content'] ); } return $context; } /** * Heuristic fallback parser for AI draft output when JSON is malformed. * Attempts to extract content, metaTitle, metaDescription, focusKeywords using regex. */ private function fallback_parse_draft_json($text) { if (!is_string($text) || trim($text) === '') { return null; } $src = $this->clean_ai_json_response($text); $result = array( 'content' => '', 'metaTitle' => '', 'metaDescription' => '', 'focusKeywords' => array(), ); // content between "content": and ","metaTitle" if (preg_match('/"content"\s*:\s*"(.*?)(?=",\s*"metaTitle")/s', $src, $m)) { $result['content'] = stripcslashes($m[1]); } elseif (preg_match('/"content"\s*:\s*"(.*)"/s', $src, $m2)) { $result['content'] = stripcslashes($m2[1]); } if (preg_match('/"metaTitle"\s*:\s*"(.*?)"/s', $src, $m)) { $result['metaTitle'] = stripcslashes($m[1]); } if (preg_match('/"metaDescription"\s*:\s*"(.*?)"/s', $src, $m)) { $result['metaDescription'] = stripcslashes($m[1]); } if (preg_match('/"focusKeywords"\s*:\s*\[(.*?)\]/s', $src, $m)) { $raw = $m[1]; $parts = preg_split('/\s*,\s*/', trim($raw)); $kws = array(); foreach ($parts as $p) { $p = trim($p); $p = trim($p, "'\""); if ($p !== '') { $kws[] = $p; } } $result['focusKeywords'] = $kws; } if (!empty($result['content']) && !empty($result['metaTitle']) && !empty($result['metaDescription'])) { if (!is_array($result['focusKeywords'])) { $result['focusKeywords'] = array(); } return $result; } return null; } /** * Backfill lightweight index in batches using keyset pagination */ public function index_backfill($request) { global $wpdb; $batch = max(1, min(1000, intval($request->get_param('batch') ?: 200))); $reset = (bool)$request->get_param('reset'); // Transient lock to prevent overlap $lock_key = 'aicoagac_index_backfill_lock'; if (get_transient($lock_key)) { return new WP_Error('in_progress', __('Index backfill already in progress', 'ai-content-agent'), array('status' => 429)); } set_transient($lock_key, time(), 60); // 1 minute lock per batch try { if ($reset) { delete_option('aicoagac_index_backfill_last_id'); delete_option('aicoagac_index_backfill_done'); } if (get_option('aicoagac_index_backfill_done')) { return rest_ensure_response(array('done' => true, 'processed' => 0, 'last_id' => (int)get_option('aicoagac_index_backfill_last_id', 0))); } $last_id = (int)get_option('aicoagac_index_backfill_last_id', 0); // Keyset pagination: fetch next batch of published posts with ID > last_id $sql = $wpdb->prepare( "SELECT ID, post_title, post_content FROM {$wpdb->posts} WHERE post_type = 'post' AND post_status IN ('publish') AND ID > %d ORDER BY ID ASC LIMIT %d", $last_id, $batch ); // phpcs:ignore WordPress.DB.DirectDatabaseQuery.DirectQuery,WordPress.DB.DirectDatabaseQuery.NoCaching,WordPress.DB.PreparedSQL.NotPrepared $rows = $wpdb->get_results($sql, ARRAY_A); if (empty($rows)) { update_option('aicoagac_index_backfill_done', 1); return rest_ensure_response(array('done' => true, 'processed' => 0, 'last_id' => $last_id)); } $table = $wpdb->prefix . 'aicoagac_post_index'; $processed = 0; $lang = get_locale(); foreach ($rows as $row) { $post_id = (int)$row['ID']; $title = wp_strip_all_tags($row['post_title']); $url = get_permalink($post_id) ?: home_url('/?p=' . $post_id); $cats = wp_get_post_categories($post_id, array('fields' => 'names')); $tags = wp_get_post_tags($post_id, array('fields' => 'names')); $content = wp_strip_all_tags($row['post_content']); $summary = mb_substr(preg_replace('/\s+/', ' ', $content), 0, 160); $words = preg_split('/[\s\-_:;,.!?]+/', strtolower($title)); $words = array_values(array_filter($words, function($w){ return mb_strlen($w) > 3; })); $keywords = !empty($words) ? implode(', ', array_slice(array_unique($words), 0, 7)) : ''; // phpcs:ignore WordPress.DB.DirectDatabaseQuery.DirectQuery,WordPress.DB.DirectDatabaseQuery.NoCaching $wpdb->replace($table, array( 'post_id' => $post_id, 'lang' => $lang, 'title' => $title, 'url' => $url, 'cats' => maybe_serialize($cats), 'tags' => maybe_serialize($tags), 'summary_1l' => $summary, 'keywords' => $keywords, 'embedding' => null, 'updated_at' => current_time('mysql') )); $last_id = $post_id; $processed++; } update_option('aicoagac_index_backfill_last_id', $last_id); return rest_ensure_response(array('done' => false, 'processed' => $processed, 'last_id' => $last_id)); } finally { delete_transient($lock_key); } } }