137 lines
4.6 KiB
PHP
137 lines
4.6 KiB
PHP
<?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\ChatbotRule;
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class ChatbotController extends BaseController
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{
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/**
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* Get chatbot rules for the company
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*/
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public function index(Request $request, Response $response)
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{
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$rules = ChatbotRule::findAllByCompany($request->company_id);
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$response->json([
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'status' => 'success',
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'data' => $rules
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]);
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}
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/**
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* Store or update a chatbot rule
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*/
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public function store(Request $request, Response $response)
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{
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$errors = $this->validate($request, [
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'trigger_type' => 'required',
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'is_active' => 'required'
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]);
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if (!empty($errors)) {
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$response->status(400)->json(['status' => 'error', 'errors' => $errors]);
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return;
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}
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$body = $request->getBody();
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// Find existing rule or create one
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$rules = ChatbotRule::findAllByCompany($request->company_id);
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$ruleId = null;
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if (!empty($rules)) {
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$ruleId = $rules[0]['id'];
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}
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$saveData = [
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'company_id' => $request->company_id,
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'session_id' => !empty($body['session_id']) ? (int)$body['session_id'] : null,
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'trigger_type' => $body['trigger_type'],
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'keyword' => $body['keyword'] ?? null,
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'ai_prompt' => $body['ai_prompt'] ?? null,
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'is_active' => $body['is_active'] ? 1 : 0
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];
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if ($ruleId) {
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$saveData['id'] = $ruleId;
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}
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// If gemini_api_key is provided, update it. If not, and we have an existing rule, retain it.
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// If it's a password placeholder like '••••••••' or similar, don't overwrite the existing one.
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if (isset($body['gemini_api_key']) && $body['gemini_api_key'] !== '••••••••' && $body['gemini_api_key'] !== '') {
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$saveData['gemini_api_key'] = $body['gemini_api_key'];
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}
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$id = ChatbotRule::saveSecure($saveData);
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$response->json([
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'status' => 'success',
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'message' => 'Chatbot rule saved successfully',
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'id' => $id
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]);
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}
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/**
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* Generate prompt from voice recording using Gemini audio input
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*/
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public function generatePromptFromAudio(Request $request, Response $response)
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{
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// 1. Get the uploaded audio file
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$files = $_FILES;
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if (empty($files['audio']) || $files['audio']['error'] !== UPLOAD_ERR_OK) {
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$response->status(400)->json(['status' => 'error', 'message' => 'Missing or invalid audio file upload']);
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return;
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}
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$audioFile = $files['audio'];
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// 2. Validate file size (max 10MB)
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if ($audioFile['size'] > 10 * 1024 * 1024) {
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$response->status(400)->json(['status' => 'error', 'message' => 'Audio file size exceeds limit (10MB)']);
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return;
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}
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// 3. Read the audio content and base64 encode
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$audioContent = file_get_contents($audioFile['tmp_name']);
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if ($audioContent === false) {
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$response->status(500)->json(['status' => 'error', 'message' => 'Failed to read uploaded audio file']);
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return;
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}
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$audioBase64 = base64_encode($audioContent);
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$mimeType = $audioFile['type'] ?: 'audio/webm'; // fallback
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// Normalize mime type (e.g. "audio/webm;codecs=opus" -> "audio/webm") for Gemini API compatibility
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if (strpos($mimeType, ';') !== false) {
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$mimeType = trim(explode(';', $mimeType)[0]);
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}
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// 4. Retrieve the Gemini API key (custom or system default)
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$rules = ChatbotRule::findAllByCompany($request->company_id);
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$apiKey = null;
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if (!empty($rules) && !empty($rules[0]['gemini_api_key'])) {
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$apiKey = $rules[0]['gemini_api_key'];
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}
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$apiKey = $apiKey ?: getenv('GEMINI_API_KEY');
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if (empty($apiKey)) {
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$response->status(500)->json(['status' => 'error', 'message' => 'Gemini API Key is not configured in the system']);
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return;
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}
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// 5. Call Gemini Service
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$generatedPrompt = \App\Services\GeminiService::generatePromptFromAudio($apiKey, $audioBase64, $mimeType);
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if (empty($generatedPrompt)) {
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$response->status(500)->json(['status' => 'error', 'message' => 'Failed to generate prompt from audio. Please check Gemini logs.']);
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return;
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}
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$response->json([
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'status' => 'success',
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'prompt' => trim($generatedPrompt)
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]);
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}
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}
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