| 1 |
<?php |
| 2 |
/** |
| 3 |
* AI Manager Class |
| 4 |
* |
| 5 |
* Handles AI provider integration and management |
| 6 |
* |
| 7 |
* @package ThinkRank\AI |
| 8 |
* @since 1.0.0 |
| 9 |
*/ |
| 10 |
|
| 11 |
declare(strict_types=1); |
| 12 |
|
| 13 |
namespace ThinkRank\AI; |
| 14 |
|
| 15 |
use ThinkRank\Core\Settings; |
| 16 |
|
| 17 |
|
| 18 |
// Prevent direct access |
| 19 |
if (!defined('ABSPATH')) { |
| 20 |
exit; |
| 21 |
} |
| 22 |
|
| 23 |
/** |
| 24 |
* AI Manager Class |
| 25 |
* |
| 26 |
* Single Responsibility: Manage AI providers and requests |
| 27 |
* |
| 28 |
* @since 1.0.0 |
| 29 |
*/ |
| 30 |
class Manager { |
| 31 |
|
| 32 |
/** |
| 33 |
* Settings instance |
| 34 |
* |
| 35 |
* @var Settings |
| 36 |
*/ |
| 37 |
private Settings $settings; |
| 38 |
|
| 39 |
|
| 40 |
|
| 41 |
/** |
| 42 |
* Cache manager instance |
| 43 |
* |
| 44 |
* @var Cache_Manager |
| 45 |
*/ |
| 46 |
private Cache_Manager $cache; |
| 47 |
|
| 48 |
/** |
| 49 |
* Current AI client |
| 50 |
* |
| 51 |
* @var OpenAI_Client|Claude_Client|null |
| 52 |
*/ |
| 53 |
private $client = null; |
| 54 |
|
| 55 |
/** |
| 56 |
* Rate limiter |
| 57 |
* |
| 58 |
* @var array |
| 59 |
*/ |
| 60 |
private array $rate_limits = []; |
| 61 |
|
| 62 |
/** |
| 63 |
* Constructor |
| 64 |
* |
| 65 |
* @param Settings|null $settings Settings instance |
| 66 |
*/ |
| 67 |
public function __construct(?Settings $settings = null) { |
| 68 |
$this->settings = $settings ?? new Settings(); |
| 69 |
$this->cache = new Cache_Manager((int) $this->settings->get('cache_duration', 3600)); |
| 70 |
} |
| 71 |
|
| 72 |
/** |
| 73 |
* Initialize AI manager |
| 74 |
* |
| 75 |
* @return void |
| 76 |
*/ |
| 77 |
public function init(): void { |
| 78 |
// Initialize AI client based on settings |
| 79 |
add_action('init', [$this, 'initialize_client']); |
| 80 |
|
| 81 |
// Schedule cache cleanup |
| 82 |
add_action('thinkrank_daily_cleanup', [$this, 'cleanup_cache']); |
| 83 |
|
| 84 |
// Add AJAX handlers for AI requests |
| 85 |
add_action('wp_ajax_thinkrank_generate_metadata', [$this, 'ajax_generate_metadata']); |
| 86 |
add_action('wp_ajax_thinkrank_test_api_connection', [$this, 'ajax_test_connection']); |
| 87 |
} |
| 88 |
|
| 89 |
/** |
| 90 |
* Initialize AI client |
| 91 |
* |
| 92 |
* @return void |
| 93 |
*/ |
| 94 |
public function initialize_client(): void { |
| 95 |
$provider = $this->settings->get('ai_provider', 'openai'); |
| 96 |
|
| 97 |
try { |
| 98 |
switch ($provider) { |
| 99 |
case 'openai': |
| 100 |
$api_key = $this->settings->get('openai_api_key'); |
| 101 |
if ($api_key) { |
| 102 |
$model = $this->settings->get('openai_model', 'gpt-5-nano'); |
| 103 |
|
| 104 |
$available_models = $this->get_available_providers()['openai']['models']; |
| 105 |
if (!in_array($model, $available_models, true)) { |
| 106 |
$model = 'gpt-5-nano'; |
| 107 |
} |
| 108 |
// Use 120-second timeout for complex AI operations |
| 109 |
$timeout = 120; |
| 110 |
$this->client = new OpenAI_Client($api_key, $model, $timeout); |
| 111 |
|
| 112 |
// OpenAI client created successfully |
| 113 |
} |
| 114 |
break; |
| 115 |
|
| 116 |
case 'claude': |
| 117 |
$api_key = $this->settings->get('claude_api_key'); |
| 118 |
if ($api_key) { |
| 119 |
$model = $this->settings->get('claude_model', 'claude-3-7-sonnet-latest'); |
| 120 |
|
| 121 |
$available_models = $this->get_available_providers()['claude']['models']; |
| 122 |
if (!in_array($model, $available_models, true)) { |
| 123 |
$model = 'claude-3-7-sonnet-latest'; |
| 124 |
} |
| 125 |
// Use 120-second timeout for complex AI operations |
| 126 |
$timeout = 120; |
| 127 |
$this->client = new Claude_Client($api_key, $model, $timeout); |
| 128 |
|
| 129 |
// Claude client created successfully |
| 130 |
} |
| 131 |
break; |
| 132 |
|
| 133 |
case 'gemini': |
| 134 |
$api_key = $this->settings->get('gemini_api_key'); |
| 135 |
if ($api_key) { |
| 136 |
$model = $this->settings->get('gemini_model', 'gemini-2.5-flash'); |
| 137 |
|
| 138 |
$available_models = $this->get_available_providers()['gemini']['models']; |
| 139 |
if (!in_array($model, $available_models, true)) { |
| 140 |
$model = 'gemini-2.5-flash'; |
| 141 |
} |
| 142 |
// Use 120-second timeout for complex AI operations |
| 143 |
$timeout = 120; |
| 144 |
$this->client = new Gemini_Client($api_key, $model, $timeout); |
| 145 |
} |
| 146 |
break; |
| 147 |
|
| 148 |
default: |
| 149 |
throw new \Exception("Unsupported AI provider: {$provider}"); |
| 150 |
} |
| 151 |
} catch (\Exception $e) { |
| 152 |
// AI client initialization failed, will be handled later |
| 153 |
} |
| 154 |
} |
| 155 |
|
| 156 |
/** |
| 157 |
* Force re-initialization of client (useful after settings change) |
| 158 |
* |
| 159 |
* @return void |
| 160 |
*/ |
| 161 |
public function reinitialize_client(): void { |
| 162 |
$this->client = null; |
| 163 |
$this->initialize_client(); |
| 164 |
} |
| 165 |
|
| 166 |
/** |
| 167 |
* Get the AI client instance |
| 168 |
* |
| 169 |
* @return OpenAI_Client|Claude_Client|null AI client instance |
| 170 |
* @throws \Exception If client cannot be initialized |
| 171 |
*/ |
| 172 |
public function get_client() { |
| 173 |
// Initialize client if not already done |
| 174 |
if (!$this->client) { |
| 175 |
$this->initialize_client(); |
| 176 |
} |
| 177 |
|
| 178 |
// If still not available, throw error |
| 179 |
if (!$this->client) { |
| 180 |
throw new \Exception('AI client not initialized. Please configure your API key.'); |
| 181 |
} |
| 182 |
|
| 183 |
return $this->client; |
| 184 |
} |
| 185 |
|
| 186 |
/** |
| 187 |
* Generate SEO metadata for content |
| 188 |
* |
| 189 |
* @param string $content Content to analyze |
| 190 |
* @param array $options Generation options |
| 191 |
* @return array Generated metadata |
| 192 |
* @throws \Exception If generation fails |
| 193 |
*/ |
| 194 |
public function generate_seo_metadata(string $content, array $options = []): array { |
| 195 |
// Check if client is available, try to initialize if not |
| 196 |
if (!$this->client) { |
| 197 |
$this->initialize_client(); |
| 198 |
|
| 199 |
// If still not available, throw error |
| 200 |
if (!$this->client) { |
| 201 |
throw new \Exception('AI client not initialized. Please configure your API key.'); |
| 202 |
} |
| 203 |
} |
| 204 |
|
| 205 |
// Check rate limits |
| 206 |
if (!$this->check_rate_limit()) { |
| 207 |
throw new \Exception('Rate limit exceeded. Please try again later.'); |
| 208 |
} |
| 209 |
|
| 210 |
// Get current user for logging |
| 211 |
$user_id = get_current_user_id(); |
| 212 |
|
| 213 |
// Generate cache key |
| 214 |
$cache_key = $this->cache->generate_content_key($content, $options); |
| 215 |
|
| 216 |
// Check cache first |
| 217 |
$cached_result = $this->cache->get($cache_key); |
| 218 |
if ($cached_result !== null) { |
| 219 |
return $cached_result['data']; |
| 220 |
} |
| 221 |
|
| 222 |
try { |
| 223 |
// Generate metadata using AI |
| 224 |
$metadata = $this->client->generate_seo_metadata($content, $options); |
| 225 |
|
| 226 |
// Ensure user has configured their API key |
| 227 |
$user_has_api_key = !empty($this->settings->get('openai_api_key')) || !empty($this->settings->get('claude_api_key')) || !empty($this->settings->get('gemini_api_key')); |
| 228 |
|
| 229 |
if (!$user_has_api_key) { |
| 230 |
throw new \Exception('Please configure your OpenAI, Claude, or Gemini API key in ThinkRank settings to use AI features.'); |
| 231 |
} |
| 232 |
|
| 233 |
// Cache the result |
| 234 |
$this->cache->set($cache_key, $metadata); |
| 235 |
|
| 236 |
// Log usage with actual model information and raw AI text (Content Brief pattern) |
| 237 |
$actual_model = $this->client ? $this->client->get_model() : null; |
| 238 |
$ai_text = $metadata['_ai_text'] ?? null; |
| 239 |
$this->log_ai_usage($user_id, 'SEO Metadata', $metadata['tokens_used'] ?? 0, $actual_model, $ai_text); |
| 240 |
|
| 241 |
// Remove AI text from returned data to keep it clean |
| 242 |
unset($metadata['_ai_text']); |
| 243 |
|
| 244 |
return $metadata; |
| 245 |
|
| 246 |
} catch (\Exception $e) { |
| 247 |
throw $e; |
| 248 |
} |
| 249 |
} |
| 250 |
|
| 251 |
/** |
| 252 |
* Analyze content for SEO optimization |
| 253 |
* |
| 254 |
* @param string $content Content to analyze |
| 255 |
* @param array $metadata Existing metadata |
| 256 |
* @return array Analysis results |
| 257 |
* @throws \Exception If analysis fails |
| 258 |
*/ |
| 259 |
public function analyze_content(string $content, array $metadata = []): array { |
| 260 |
if (!$this->client) { |
| 261 |
throw new \Exception('AI client not initialized'); |
| 262 |
} |
| 263 |
|
| 264 |
$user_id = get_current_user_id(); |
| 265 |
|
| 266 |
// Ensure user has configured their API key |
| 267 |
$user_has_api_key = !empty($this->settings->get('openai_api_key')) || !empty($this->settings->get('claude_api_key')) || !empty($this->settings->get('gemini_api_key')); |
| 268 |
|
| 269 |
if (!$user_has_api_key) { |
| 270 |
throw new \Exception('Please configure your OpenAI, Claude, or Gemini API key in ThinkRank settings to use AI features.'); |
| 271 |
} |
| 272 |
|
| 273 |
// Check rate limits |
| 274 |
if (!$this->check_rate_limit($user_id, 'content_analysis')) { |
| 275 |
throw new \Exception('Rate limit exceeded. Please try again later.'); |
| 276 |
} |
| 277 |
|
| 278 |
// Check cache first |
| 279 |
$cache_key = 'content_analysis_' . md5($content . serialize($metadata)); |
| 280 |
$cached_result = $this->cache->get($cache_key); |
| 281 |
if ($cached_result) { |
| 282 |
return $cached_result; |
| 283 |
} |
| 284 |
|
| 285 |
try { |
| 286 |
// Analyze content using AI |
| 287 |
$analysis = $this->client->analyze_content($content, $metadata); |
| 288 |
|
| 289 |
// Cache the result |
| 290 |
$this->cache->set($cache_key, $analysis); |
| 291 |
|
| 292 |
// Log usage with actual model information and raw AI text (Content Brief pattern) |
| 293 |
$actual_model = $this->client ? $this->client->get_model() : null; |
| 294 |
$ai_text = $analysis['_ai_text'] ?? null; |
| 295 |
$this->log_ai_usage($user_id, 'Content Analysis', $analysis['tokens_used'] ?? 0, $actual_model, $ai_text); |
| 296 |
|
| 297 |
// Remove AI text from returned data to keep it clean |
| 298 |
unset($analysis['_ai_text']); |
| 299 |
|
| 300 |
return $analysis; |
| 301 |
|
| 302 |
} catch (\Exception $e) { |
| 303 |
throw $e; |
| 304 |
} |
| 305 |
} |
| 306 |
|
| 307 |
/** |
| 308 |
* Test API connection |
| 309 |
* |
| 310 |
* @return array Test result |
| 311 |
*/ |
| 312 |
public function test_api_connection(): array { |
| 313 |
if (!$this->client) { |
| 314 |
return [ |
| 315 |
'success' => false, |
| 316 |
'message' => 'AI client not initialized. Please configure your API key.', |
| 317 |
]; |
| 318 |
} |
| 319 |
|
| 320 |
try { |
| 321 |
$success = $this->client->test_connection(); |
| 322 |
|
| 323 |
return [ |
| 324 |
'success' => $success, |
| 325 |
'message' => $success |
| 326 |
? 'API connection successful!' |
| 327 |
: 'API connection failed. Please check your API key.', |
| 328 |
]; |
| 329 |
|
| 330 |
} catch (\Exception $e) { |
| 331 |
return [ |
| 332 |
'success' => false, |
| 333 |
'message' => 'Connection test failed: ' . $e->getMessage(), |
| 334 |
]; |
| 335 |
} |
| 336 |
} |
| 337 |
|
| 338 |
/** |
| 339 |
* Optimize site identity using AI |
| 340 |
* |
| 341 |
* @since 1.0.0 |
| 342 |
* |
| 343 |
* @param array $site_data Site data to optimize |
| 344 |
* @param array $options Optimization options |
| 345 |
* @return array Optimization results |
| 346 |
* @throws \Exception If optimization fails |
| 347 |
*/ |
| 348 |
public function optimize_site_identity(array $site_data, array $options = []): array { |
| 349 |
// Validate input |
| 350 |
if (empty($site_data)) { |
| 351 |
throw new \Exception('Site data cannot be empty'); |
| 352 |
} |
| 353 |
|
| 354 |
$user_id = get_current_user_id(); |
| 355 |
|
| 356 |
// Ensure user has configured their API key |
| 357 |
$user_has_api_key = !empty($this->settings->get('openai_api_key')) || !empty($this->settings->get('claude_api_key')) || !empty($this->settings->get('gemini_api_key')); |
| 358 |
|
| 359 |
if (!$user_has_api_key) { |
| 360 |
throw new \Exception('Please configure your OpenAI, Claude, or Gemini API key in ThinkRank settings to use AI features.'); |
| 361 |
} |
| 362 |
|
| 363 |
// Generate cache key using existing pattern |
| 364 |
$cache_key = 'site_identity_' . md5(serialize($site_data) . serialize($options)) . '_' . $user_id; |
| 365 |
|
| 366 |
// Check existing cache infrastructure |
| 367 |
$cached_result = $this->cache->get($cache_key); |
| 368 |
if ($cached_result !== null && !empty($cached_result['optimized_data'])) { |
| 369 |
return $cached_result; |
| 370 |
} |
| 371 |
|
| 372 |
// Check rate limiting |
| 373 |
if (!$this->check_rate_limit()) { |
| 374 |
throw new \Exception('Rate limit exceeded for AI optimization requests.'); |
| 375 |
} |
| 376 |
|
| 377 |
// Get AI client |
| 378 |
$client = $this->get_client(); |
| 379 |
|
| 380 |
if (!$client) { |
| 381 |
throw new \Exception('AI client not initialized. Please check your API key configuration.'); |
| 382 |
} |
| 383 |
|
| 384 |
// Perform AI optimization |
| 385 |
$optimization_results = $client->optimize_site_identity($site_data, $options); |
| 386 |
|
| 387 |
// Validate that we got meaningful results |
| 388 |
if (empty($optimization_results) || empty($optimization_results['optimized_data'])) { |
| 389 |
throw new \Exception('AI optimization returned empty results. Please try again.'); |
| 390 |
} |
| 391 |
|
| 392 |
// Add metadata |
| 393 |
$optimization_results['ai_model'] = $client->get_model(); |
| 394 |
$optimization_results['provider'] = $this->settings->get('ai_provider', 'openai'); |
| 395 |
$optimization_results['generated_at'] = gmdate('Y-m-d H:i:s'); |
| 396 |
$optimization_results['user_id'] = $user_id; |
| 397 |
|
| 398 |
// Cache the results (24 hours) |
| 399 |
$this->cache->set($cache_key, $optimization_results, 86400); |
| 400 |
|
| 401 |
// Record usage with actual model information and raw AI text (Content Brief pattern) |
| 402 |
$actual_model = $optimization_results['ai_model'] ?? ($client ? $client->get_model() : null); |
| 403 |
$ai_text = $optimization_results['_ai_text'] ?? null; |
| 404 |
$this->log_ai_usage($user_id, 'Site Identity Optimization', $optimization_results['tokens_used'] ?? 0, $actual_model, $ai_text); |
| 405 |
|
| 406 |
// Remove AI text from returned data to keep it clean |
| 407 |
unset($optimization_results['_ai_text']); |
| 408 |
|
| 409 |
return $optimization_results; |
| 410 |
} |
| 411 |
|
| 412 |
/** |
| 413 |
* Optimize LLMs.txt content using AI |
| 414 |
* |
| 415 |
* @since 1.0.0 |
| 416 |
* |
| 417 |
* @param array $website_data Website data to optimize |
| 418 |
* @param array $options Optimization options |
| 419 |
* @return array Optimization results |
| 420 |
* @throws \Exception If optimization fails |
| 421 |
*/ |
| 422 |
public function optimize_llms_txt(array $website_data, array $options = []): array { |
| 423 |
// Validate input |
| 424 |
if (empty($website_data)) { |
| 425 |
throw new \Exception('Website data cannot be empty'); |
| 426 |
} |
| 427 |
|
| 428 |
$user_id = get_current_user_id(); |
| 429 |
|
| 430 |
// Ensure user has configured their API key |
| 431 |
$user_has_api_key = !empty($this->settings->get('openai_api_key')) || !empty($this->settings->get('claude_api_key')) || !empty($this->settings->get('gemini_api_key')); |
| 432 |
|
| 433 |
if (!$user_has_api_key) { |
| 434 |
throw new \Exception('Please configure your OpenAI, Claude, or Gemini API key in ThinkRank settings to use AI features.'); |
| 435 |
} |
| 436 |
|
| 437 |
// Generate cache key |
| 438 |
$cache_key = 'llms_txt_' . md5(serialize($website_data) . serialize($options)) . '_' . $user_id; |
| 439 |
|
| 440 |
// Check cache first |
| 441 |
$cached_result = $this->cache->get($cache_key); |
| 442 |
if ($cached_result !== null && !empty($cached_result['optimized_data'])) { |
| 443 |
return $cached_result; |
| 444 |
} |
| 445 |
|
| 446 |
// Check rate limiting |
| 447 |
if (!$this->check_rate_limit()) { |
| 448 |
throw new \Exception('Rate limit exceeded for AI optimization requests.'); |
| 449 |
} |
| 450 |
|
| 451 |
// Get AI client |
| 452 |
$client = $this->get_client(); |
| 453 |
|
| 454 |
if (!$client) { |
| 455 |
throw new \Exception('AI client not initialized. Please check your API key configuration.'); |
| 456 |
} |
| 457 |
|
| 458 |
// Perform AI optimization |
| 459 |
$optimization_results = $client->optimize_llms_txt($website_data, $options); |
| 460 |
|
| 461 |
// Validate that we got meaningful results |
| 462 |
if (empty($optimization_results) || empty($optimization_results['optimized_data'])) { |
| 463 |
throw new \Exception('AI optimization returned empty results. Please try again.'); |
| 464 |
} |
| 465 |
|
| 466 |
// Add metadata |
| 467 |
$optimization_results['ai_model'] = $client->get_model(); |
| 468 |
$optimization_results['provider'] = $this->settings->get('ai_provider', 'openai'); |
| 469 |
$optimization_results['generated_at'] = gmdate('Y-m-d H:i:s'); |
| 470 |
$optimization_results['user_id'] = $user_id; |
| 471 |
|
| 472 |
// Cache the results (24 hours) |
| 473 |
$this->cache->set($cache_key, $optimization_results, 86400); |
| 474 |
|
| 475 |
// Record usage with actual model information and raw AI text (Content Brief pattern) |
| 476 |
$actual_model = $optimization_results['ai_model'] ?? ($client ? $client->get_model() : null); |
| 477 |
$ai_text = $optimization_results['_ai_text'] ?? null; |
| 478 |
$this->log_ai_usage($user_id, 'LLMs.txt Optimization', $optimization_results['tokens_used'] ?? 0, $actual_model, $ai_text); |
| 479 |
|
| 480 |
// Remove AI text from returned data to keep it clean |
| 481 |
unset($optimization_results['_ai_text']); |
| 482 |
|
| 483 |
return $optimization_results; |
| 484 |
} |
| 485 |
|
| 486 |
/** |
| 487 |
* Get available AI providers |
| 488 |
* |
| 489 |
* @return array Available providers |
| 490 |
*/ |
| 491 |
public function get_available_providers(): array { |
| 492 |
return [ |
| 493 |
'openai' => [ |
| 494 |
'name' => 'OpenAI', |
| 495 |
'description' => 'GPT‑5 series and GPT‑4o', |
| 496 |
'models' => ['gpt-5-nano', 'gpt-5-mini', 'gpt-5', 'gpt-4o'], |
| 497 |
'requires_key' => true, |
| 498 |
], |
| 499 |
'claude' => [ |
| 500 |
'name' => 'Claude (Anthropic)', |
| 501 |
'description' => 'Claude 4 and 3.7 models', |
| 502 |
'models' => ['claude-sonnet-4-0', 'claude-opus-4-0', 'claude-3-7-sonnet-latest', 'claude-3-5-sonnet-latest', 'claude-3-5-haiku-latest'], |
| 503 |
'requires_key' => true, |
| 504 |
], |
| 505 |
'gemini' => [ |
| 506 |
'name' => 'Google Gemini', |
| 507 |
'description' => 'Gemini 2.5 and 2.0 models', |
| 508 |
'models' => ['gemini-2.5-flash', 'gemini-2.5-flash-lite', 'gemini-2.5-pro', 'gemini-2.0-flash', 'gemini-1.5-flash'], |
| 509 |
'requires_key' => true, |
| 510 |
], |
| 511 |
]; |
| 512 |
} |
| 513 |
|
| 514 |
/** |
| 515 |
* Get current provider status |
| 516 |
* |
| 517 |
* @return array Provider status |
| 518 |
*/ |
| 519 |
public function get_provider_status(): array { |
| 520 |
$provider = $this->settings->get('ai_provider', 'openai'); |
| 521 |
$api_key = $this->settings->get($provider . '_api_key'); |
| 522 |
|
| 523 |
return [ |
| 524 |
'provider' => $provider, |
| 525 |
'configured' => !empty($api_key), |
| 526 |
'connected' => $this->client !== null, |
| 527 |
]; |
| 528 |
} |
| 529 |
|
| 530 |
/** |
| 531 |
* AJAX handler for generating metadata |
| 532 |
* |
| 533 |
* @return void |
| 534 |
*/ |
| 535 |
public function ajax_generate_metadata(): void { |
| 536 |
// Verify nonce |
| 537 |
$nonce = sanitize_text_field(wp_unslash($_POST['nonce'] ?? '')); |
| 538 |
if (!wp_verify_nonce($nonce, 'thinkrank_ai_nonce')) { |
| 539 |
wp_die('Security check failed'); |
| 540 |
} |
| 541 |
|
| 542 |
// Check permissions |
| 543 |
if (!current_user_can('edit_posts')) { |
| 544 |
wp_die('Insufficient permissions'); |
| 545 |
} |
| 546 |
|
| 547 |
$content = sanitize_textarea_field(wp_unslash($_POST['content'] ?? '')); |
| 548 |
$options = [ |
| 549 |
'target_keyword' => sanitize_text_field(wp_unslash($_POST['target_keyword'] ?? '')), |
| 550 |
'content_type' => sanitize_text_field(wp_unslash($_POST['content_type'] ?? 'blog_post')), |
| 551 |
'tone' => sanitize_text_field(wp_unslash($_POST['tone'] ?? 'professional')), |
| 552 |
]; |
| 553 |
|
| 554 |
try { |
| 555 |
$metadata = $this->generate_seo_metadata($content, $options); |
| 556 |
|
| 557 |
wp_send_json_success([ |
| 558 |
'metadata' => $metadata, |
| 559 |
'message' => __('SEO metadata generated successfully!', 'thinkrank'), |
| 560 |
]); |
| 561 |
|
| 562 |
} catch (\Exception $e) { |
| 563 |
wp_send_json_error([ |
| 564 |
'message' => $e->getMessage(), |
| 565 |
]); |
| 566 |
} |
| 567 |
} |
| 568 |
|
| 569 |
/** |
| 570 |
* AJAX handler for testing API connection |
| 571 |
* |
| 572 |
* @return void |
| 573 |
*/ |
| 574 |
public function ajax_test_connection(): void { |
| 575 |
// Verify nonce |
| 576 |
$nonce = sanitize_text_field(wp_unslash($_POST['nonce'] ?? '')); |
| 577 |
if (!wp_verify_nonce($nonce, 'thinkrank_ai_nonce')) { |
| 578 |
wp_die('Security check failed'); |
| 579 |
} |
| 580 |
|
| 581 |
// Check permissions |
| 582 |
if (!current_user_can('manage_options')) { |
| 583 |
wp_die('Insufficient permissions'); |
| 584 |
} |
| 585 |
|
| 586 |
$result = $this->test_api_connection(); |
| 587 |
|
| 588 |
if ($result['success']) { |
| 589 |
wp_send_json_success($result); |
| 590 |
} else { |
| 591 |
wp_send_json_error($result); |
| 592 |
} |
| 593 |
} |
| 594 |
|
| 595 |
/** |
| 596 |
* Check rate limits |
| 597 |
* |
| 598 |
* @return bool True if within limits |
| 599 |
*/ |
| 600 |
private function check_rate_limit(): bool { |
| 601 |
$user_id = get_current_user_id(); |
| 602 |
$max_requests = $this->settings->get('max_requests_per_minute', 10); |
| 603 |
$current_time = time(); |
| 604 |
$window_start = $current_time - 60; // 1 minute window |
| 605 |
|
| 606 |
// Clean old entries |
| 607 |
$this->rate_limits = array_filter( |
| 608 |
$this->rate_limits, |
| 609 |
function($timestamp) use ($window_start) { |
| 610 |
return $timestamp > $window_start; |
| 611 |
} |
| 612 |
); |
| 613 |
|
| 614 |
// Count requests for this user |
| 615 |
$user_requests = array_filter( |
| 616 |
$this->rate_limits, |
| 617 |
function($timestamp, $key) use ($user_id) { |
| 618 |
return strpos($key, "user_{$user_id}_") === 0; |
| 619 |
}, |
| 620 |
ARRAY_FILTER_USE_BOTH |
| 621 |
); |
| 622 |
|
| 623 |
if (count($user_requests) >= $max_requests) { |
| 624 |
return false; |
| 625 |
} |
| 626 |
|
| 627 |
// Add current request |
| 628 |
$this->rate_limits["user_{$user_id}_{$current_time}"] = $current_time; |
| 629 |
|
| 630 |
return true; |
| 631 |
} |
| 632 |
|
| 633 |
|
| 634 |
|
| 635 |
/** |
| 636 |
* Log AI usage with actual model information |
| 637 |
* |
| 638 |
* @param int $user_id User ID |
| 639 |
* @param string $action Action performed |
| 640 |
* @param int $tokens_used Tokens consumed |
| 641 |
* @param string|null $actual_model Actual model used (from AI response) |
| 642 |
* @param string|null $raw_response Raw AI response for debugging |
| 643 |
* @return void |
| 644 |
*/ |
| 645 |
private function log_ai_usage(int $user_id, string $action, int $tokens_used, ?string $actual_model = null, ?string $raw_response = null): void { |
| 646 |
global $wpdb; |
| 647 |
|
| 648 |
$table_name = $wpdb->prefix . 'thinkrank_ai_usage'; |
| 649 |
|
| 650 |
// Prepare metadata with actual model information and raw response |
| 651 |
$metadata = []; |
| 652 |
if ($actual_model) { |
| 653 |
$metadata['actual_model'] = $actual_model; |
| 654 |
} |
| 655 |
if ($raw_response) { |
| 656 |
$metadata['raw_response'] = $raw_response; |
| 657 |
} |
| 658 |
|
| 659 |
// phpcs:ignore WordPress.DB.DirectDatabaseQuery.DirectQuery,WordPress.DB.DirectDatabaseQuery.NoCaching -- AI usage logging requires direct database access |
| 660 |
$wpdb->insert( |
| 661 |
$table_name, |
| 662 |
[ |
| 663 |
'user_id' => $user_id, |
| 664 |
'action' => $action, |
| 665 |
'tokens_used' => $tokens_used, |
| 666 |
'provider' => $this->settings->get('ai_provider', 'openai'), |
| 667 |
'metadata' => !empty($metadata) ? wp_json_encode($metadata) : null, |
| 668 |
'created_at' => current_time('mysql'), |
| 669 |
], |
| 670 |
['%d', '%s', '%d', '%s', '%s', '%s'] |
| 671 |
); |
| 672 |
} |
| 673 |
|
| 674 |
/** |
| 675 |
* Cleanup expired cache entries |
| 676 |
* |
| 677 |
* @return void |
| 678 |
*/ |
| 679 |
public function cleanup_cache(): void { |
| 680 |
$this->cache->clean_expired(); |
| 681 |
} |
| 682 |
|
| 683 |
/** |
| 684 |
* Optimize homepage meta content using AI (copying Site Identity pattern exactly) |
| 685 |
* |
| 686 |
* @since 1.0.0 |
| 687 |
* |
| 688 |
* @param array $content_data Meta content data to optimize |
| 689 |
* @param array $options Optimization options |
| 690 |
* @return array Optimization results |
| 691 |
* @throws \Exception If optimization fails |
| 692 |
*/ |
| 693 |
public function optimize_homepage_meta(array $content_data, array $options = []): array { |
| 694 |
// Validate input |
| 695 |
if (empty($content_data)) { |
| 696 |
throw new \Exception('Content data cannot be empty'); |
| 697 |
} |
| 698 |
|
| 699 |
$user_id = get_current_user_id(); |
| 700 |
|
| 701 |
// Ensure user has configured their API key (copying Site Identity pattern) |
| 702 |
$user_has_api_key = !empty($this->settings->get('openai_api_key')) || !empty($this->settings->get('claude_api_key')) || !empty($this->settings->get('gemini_api_key')); |
| 703 |
|
| 704 |
if (!$user_has_api_key) { |
| 705 |
throw new \Exception('Please configure your OpenAI, Claude, or Gemini API key in ThinkRank settings to use AI features.'); |
| 706 |
} |
| 707 |
|
| 708 |
// Generate cache key using existing pattern |
| 709 |
$cache_key = 'homepage_meta_' . md5(serialize($content_data) . serialize($options)) . '_' . $user_id; |
| 710 |
|
| 711 |
// Check existing cache infrastructure |
| 712 |
$cached_result = $this->cache->get($cache_key); |
| 713 |
if ($cached_result !== null && !empty($cached_result['optimized_data'])) { |
| 714 |
return $cached_result; |
| 715 |
} |
| 716 |
|
| 717 |
// Check rate limiting |
| 718 |
if (!$this->check_rate_limit()) { |
| 719 |
throw new \Exception('Rate limit exceeded for AI optimization requests.'); |
| 720 |
} |
| 721 |
|
| 722 |
// Get AI client |
| 723 |
$client = $this->get_client(); |
| 724 |
|
| 725 |
if (!$client) { |
| 726 |
throw new \Exception('AI client not initialized. Please check your API key configuration.'); |
| 727 |
} |
| 728 |
|
| 729 |
// Perform AI optimization |
| 730 |
$optimization_results = $client->optimize_homepage_meta($content_data, $options); |
| 731 |
|
| 732 |
// Validate that we got meaningful results |
| 733 |
if (empty($optimization_results) || empty($optimization_results['optimized_data'])) { |
| 734 |
throw new \Exception('AI optimization returned empty results. Please try again.'); |
| 735 |
} |
| 736 |
|
| 737 |
// Add metadata |
| 738 |
$optimization_results['ai_model'] = $client->get_model(); |
| 739 |
$optimization_results['provider'] = $this->settings->get('ai_provider', 'openai'); |
| 740 |
$optimization_results['generated_at'] = gmdate('Y-m-d H:i:s'); |
| 741 |
$optimization_results['user_id'] = $user_id; |
| 742 |
|
| 743 |
// Cache the results (24 hours) |
| 744 |
$this->cache->set($cache_key, $optimization_results, 86400); |
| 745 |
|
| 746 |
// Record usage with actual model information and raw AI text (Content Brief pattern) |
| 747 |
$actual_model = $optimization_results['ai_model'] ?? ($client ? $client->get_model() : null); |
| 748 |
$ai_text = $optimization_results['_ai_text'] ?? null; |
| 749 |
$this->log_ai_usage($user_id, 'Homepage Meta Optimization', $optimization_results['tokens_used'] ?? 0, $actual_model, $ai_text); |
| 750 |
|
| 751 |
// Remove AI text from returned data to keep it clean |
| 752 |
unset($optimization_results['_ai_text']); |
| 753 |
|
| 754 |
return $optimization_results; |
| 755 |
} |
| 756 |
|
| 757 |
/** |
| 758 |
* Optimize homepage hero content using AI (copying Site Identity pattern exactly) |
| 759 |
* |
| 760 |
* @since 1.0.0 |
| 761 |
* |
| 762 |
* @param array $hero_data Hero content data to optimize |
| 763 |
* @param array $options Optimization options |
| 764 |
* @return array Optimization results |
| 765 |
* @throws \Exception If optimization fails |
| 766 |
*/ |
| 767 |
public function optimize_homepage_hero(array $hero_data, array $options = []): array { |
| 768 |
// Validate input |
| 769 |
if (empty($hero_data)) { |
| 770 |
throw new \Exception('Hero data cannot be empty'); |
| 771 |
} |
| 772 |
|
| 773 |
$user_id = get_current_user_id(); |
| 774 |
|
| 775 |
// Ensure user has configured their API key (copying Site Identity pattern) |
| 776 |
$user_has_api_key = !empty($this->settings->get('openai_api_key')) || !empty($this->settings->get('claude_api_key')) || !empty($this->settings->get('gemini_api_key')); |
| 777 |
|
| 778 |
if (!$user_has_api_key) { |
| 779 |
throw new \Exception('Please configure your OpenAI, Claude, or Gemini API key in ThinkRank settings to use AI features.'); |
| 780 |
} |
| 781 |
|
| 782 |
// Generate cache key using existing pattern |
| 783 |
$cache_key = 'homepage_hero_' . md5(serialize($hero_data) . serialize($options)) . '_' . $user_id; |
| 784 |
|
| 785 |
// Check existing cache infrastructure |
| 786 |
$cached_result = $this->cache->get($cache_key); |
| 787 |
if ($cached_result !== null && !empty($cached_result['optimized_data'])) { |
| 788 |
return $cached_result; |
| 789 |
} |
| 790 |
|
| 791 |
// Check rate limiting |
| 792 |
if (!$this->check_rate_limit()) { |
| 793 |
throw new \Exception('Rate limit exceeded for AI optimization requests.'); |
| 794 |
} |
| 795 |
|
| 796 |
// Get AI client |
| 797 |
$client = $this->get_client(); |
| 798 |
|
| 799 |
if (!$client) { |
| 800 |
throw new \Exception('AI client not initialized. Please check your API key configuration.'); |
| 801 |
} |
| 802 |
|
| 803 |
// Perform AI optimization |
| 804 |
$optimization_results = $client->optimize_homepage_hero($hero_data, $options); |
| 805 |
|
| 806 |
// Validate that we got meaningful results |
| 807 |
if (empty($optimization_results) || empty($optimization_results['optimized_data'])) { |
| 808 |
throw new \Exception('AI optimization returned empty results. Please try again.'); |
| 809 |
} |
| 810 |
|
| 811 |
// Add metadata |
| 812 |
$optimization_results['ai_model'] = $client->get_model(); |
| 813 |
$optimization_results['provider'] = $this->settings->get('ai_provider', 'openai'); |
| 814 |
$optimization_results['generated_at'] = gmdate('Y-m-d H:i:s'); |
| 815 |
$optimization_results['user_id'] = $user_id; |
| 816 |
|
| 817 |
// Cache the results (24 hours) |
| 818 |
$this->cache->set($cache_key, $optimization_results, 86400); |
| 819 |
|
| 820 |
// Record usage with actual model information and raw AI text (Content Brief pattern) |
| 821 |
$actual_model = $optimization_results['ai_model'] ?? ($client ? $client->get_model() : null); |
| 822 |
$ai_text = $optimization_results['_ai_text'] ?? null; |
| 823 |
$this->log_ai_usage($user_id, 'Homepage Hero Optimization', $optimization_results['tokens_used'] ?? 0, $actual_model, $ai_text); |
| 824 |
|
| 825 |
// Remove AI text from returned data to keep it clean |
| 826 |
unset($optimization_results['_ai_text']); |
| 827 |
|
| 828 |
return $optimization_results; |
| 829 |
} |
| 830 |
} |
| 831 |
|
