Deploy: 2026-05-25 00:29:42
This commit is contained in:
Hamza-Ayed
285
backend/app/Controllers/MetaWebhookController.php
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285
backend/app/Controllers/MetaWebhookController.php
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<?php
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namespace App\Controllers;
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use App\Core\Request;
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use App\Core\Response;
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use App\Models\MetaSession;
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use App\Models\MessageLog;
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use App\Models\Contact;
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use App\Models\ChatbotRule;
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use App\Services\MetaService;
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use App\Services\GeminiService;
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class MetaWebhookController extends BaseController
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{
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/**
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* Verify Meta Webhook Token (GET /api/webhooks/meta)
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*/
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public function verify(Request $request, Response $response)
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{
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$mode = $_GET['hub_mode'] ?? $_GET['hub.mode'] ?? '';
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$token = $_GET['hub_verify_token'] ?? $_GET['hub.verify_token'] ?? '';
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$challenge = $_GET['hub_challenge'] ?? $_GET['hub.challenge'] ?? '';
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$verifyToken = getenv('META_WEBHOOK_VERIFY_TOKEN') ?: 'nabeh_meta_secret_token';
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if ($mode === 'subscribe' && $token === $verifyToken) {
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$response->status(200)->setHeader('Content-Type', 'text/plain');
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echo $challenge;
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exit;
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} else {
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$response->status(403)->json(['error' => 'Verification failed']);
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}
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}
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/**
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* Handle incoming Meta Webhook events (POST /api/webhooks/meta)
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*/
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public function webhook(Request $request, Response $response)
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{
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$rawPayload = file_get_contents('php://input');
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$payload = json_decode($rawPayload, true);
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if (!$payload) {
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$response->status(400)->json(['error' => 'Invalid JSON payload']);
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return;
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}
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$object = $payload['object'] ?? '';
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if ($object !== 'page' && $object !== 'instagram') {
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$response->status(200)->json(['status' => 'ignored', 'reason' => 'unsupported object type']);
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return;
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}
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$channelType = ($object === 'page') ? 'messenger' : 'instagram';
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$entries = $payload['entry'] ?? [];
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foreach ($entries as $entry) {
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$pageId = $entry['id'] ?? '';
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$messaging = $entry['messaging'] ?? [];
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$session = MetaSession::findByPageId($pageId, $channelType);
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if (!$session || $session['status'] !== 'connected') {
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continue;
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}
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foreach ($messaging as $messageEvent) {
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$senderId = $messageEvent['sender']['id'] ?? '';
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$message = $messageEvent['message'] ?? [];
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if (empty($senderId) || empty($message)) {
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continue;
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}
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// Deduplicate incoming messages
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$mid = $message['mid'] ?? '';
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if (!empty($mid)) {
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$alreadyLogged = \App\Core\Database::selectOne(
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"SELECT id FROM messages_log WHERE whatsapp_message_id = ? LIMIT 1",
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[$mid]
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);
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if ($alreadyLogged) {
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continue;
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}
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}
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$text = $message['text'] ?? '';
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if (empty($text)) {
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continue;
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}
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// 1. Find or create CRM Contact
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$contact = Contact::findByPhone($session['company_id'], $senderId);
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if (!$contact) {
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$prefix = ($channelType === 'messenger') ? 'FB-' : 'IG-';
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$contactName = $prefix . substr($senderId, -6);
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try {
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Contact::createSecure([
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'company_id' => $session['company_id'],
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'name' => $contactName,
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'phone' => $senderId,
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'notes' => 'Auto-created via Meta webhook'
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]);
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} catch (\PDOException $e) {
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// Ignore duplicate contact error if created concurrently
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}
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}
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// 2. Log inbound message in history log
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MessageLog::logMessage([
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'company_id' => $session['company_id'],
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'session_id' => null,
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'meta_session_id' => $session['id'],
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'contact_phone' => $senderId,
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'direction' => 'inbound',
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'message_type' => 'text',
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'message_body' => $text,
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'whatsapp_message_id' => $mid,
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'status' => 'read'
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]);
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// 3. Trigger chatbot rules auto-reply in background
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$this->triggerMetaAutoReply($session, $senderId, $text);
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}
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}
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$response->json(['status' => 'success']);
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}
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/**
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* Trigger auto-reply based on keyword rules or Gemini AI
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*/
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private function triggerMetaAutoReply(array $session, string $senderId, string $incomingText)
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{
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$companyId = (int)$session['company_id'];
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$rule = ChatbotRule::findActiveForRule($companyId);
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if (!$rule || !$rule['is_active']) {
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return;
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}
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$replyText = '';
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if ($rule['trigger_type'] === 'keyword') {
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$keywords = array_map('trim', explode(',', strtolower($rule['keyword'])));
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$incomingLower = strtolower(trim($incomingText));
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$matched = false;
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foreach ($keywords as $kw) {
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if ($kw !== '' && strpos($incomingLower, $kw) !== false) {
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$matched = true;
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break;
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}
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}
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if ($matched) {
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$replyText = $rule['ai_prompt'];
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}
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} elseif ($rule['trigger_type'] === 'gemini_ai') {
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$configuredGeminiKey = !empty($rule['gemini_api_key']) ? $rule['gemini_api_key'] : null;
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$apiKey = GeminiService::getGeminiApiKey($configuredGeminiKey);
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if (empty($apiKey)) {
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error_log("[Meta Chatbot Warning] Gemini API Key is not set.");
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return;
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}
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$systemPrompt = $rule['ai_prompt'] ?: 'You are a helpful customer support assistant.';
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// Enforce language matching rule
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$systemPrompt .= "\n\nIMPORTANT LANGUAGE RULE: Detect the language of the incoming message. If the incoming message is in English, you MUST reply in English. If the incoming message is in Arabic, you MUST reply in Arabic. Override any default language instruction to match the user's language.";
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$replyText = GeminiService::generateResponse($apiKey, $systemPrompt, $incomingText);
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}
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if (!empty($replyText)) {
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$success = MetaService::sendMessage($session['page_access_token'], $senderId, $replyText);
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if ($success) {
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MessageLog::logMessage([
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'company_id' => $companyId,
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'session_id' => null,
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'meta_session_id' => $session['id'],
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'contact_phone' => $senderId,
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'direction' => 'outbound',
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'message_type' => 'text',
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'message_body' => $replyText,
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'status' => 'sent'
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]);
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}
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}
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}
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/**
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* Get Meta connection status for current company (GET /api/meta/sessions)
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*/
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public function listSessions(Request $request, Response $response)
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{
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$sessions = MetaSession::findAllByCompany($request->company_id);
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$response->json([
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'status' => 'success',
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'data' => $sessions
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]);
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}
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/**
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* Connect Facebook page or Instagram profile (POST /api/meta/sessions/connect)
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*/
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public function connectSession(Request $request, Response $response)
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{
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$body = $request->getBody();
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$channelType = $body['channel_type'] ?? '';
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$pageId = $body['page_id'] ?? '';
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$pageName = $body['page_name'] ?? '';
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$pageAccessToken = $body['page_access_token'] ?? '';
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if (empty($channelType) || empty($pageId) || empty($pageName) || empty($pageAccessToken)) {
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$response->status(400)->json([
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'status' => 'error',
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'message' => 'Missing channel_type, page_id, page_name, or page_access_token'
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]);
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return;
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}
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if ($channelType !== 'messenger' && $channelType !== 'instagram') {
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$response->status(400)->json([
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'status' => 'error',
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'message' => 'Invalid channel_type'
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]);
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return;
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}
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try {
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$id = MetaSession::connectSession(
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$request->company_id,
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$channelType,
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$pageId,
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$pageName,
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$pageAccessToken
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);
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$response->json([
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'status' => 'success',
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'message' => 'Meta channel connected successfully',
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'session_id' => $id
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]);
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} catch (\Exception $e) {
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$response->status(500)->json([
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'status' => 'error',
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'message' => 'Failed to connect: ' . $e->getMessage()
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]);
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}
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}
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/**
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* Disconnect Meta session (DELETE /api/meta/sessions)
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*/
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public function deleteSession(Request $request, Response $response)
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{
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$body = $request->getBody();
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$sessionId = $body['session_id'] ?? null;
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if (!$sessionId) {
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$response->status(400)->json([
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'status' => 'error',
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'message' => 'Missing session_id'
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]);
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return;
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}
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$session = MetaSession::find($sessionId);
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if (!$session || (int)$session['company_id'] !== (int)$request->company_id) {
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$response->status(404)->json([
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'status' => 'error',
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'message' => 'Session not found'
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]);
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return;
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}
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MetaSession::delete($sessionId);
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$response->json([
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'status' => 'success',
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'message' => 'Meta channel disconnected successfully'
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]);
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}
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}
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