Fix: AI Blog Assistant retry logic and Subdomain routing for Akademi
This commit is contained in:
Muhammet Güler
@@ -0,0 +1,180 @@
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<?php
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namespace App\Services;
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use Illuminate\Support\Facades\Http;
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use Illuminate\Support\Facades\Log;
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use Illuminate\Support\Str;
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use Illuminate\Support\Facades\Storage;
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class AiBlogService
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{
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protected $geminiKey;
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protected $unsplashKey;
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public function __construct()
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{
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$this->geminiKey = config('services.gemini.key', env('GEMINI_API_KEY'));
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$this->unsplashKey = config('services.unsplash.access_key', env('UNSPLASH_ACCESS_KEY'));
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}
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/**
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* Generate blog content using Gemini API
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*/
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public function generateContent(string $topic, ?string $context = null): array
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{
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$prompt = $this->buildPrompt($topic, $context);
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// Debug logging
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$keyStatus = empty($this->geminiKey) ? 'MISSING' : 'PRESENT (' . substr($this->geminiKey, 0, 5) . '...)';
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Log::info("Gemini Service: Key status: $keyStatus");
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try {
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$response = Http::withoutVerifying()
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->retry(3, 10000, function ($exception, $request) {
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if ($exception instanceof \Illuminate\Http\Client\RequestException && $exception->response->status() === 429) {
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return false;
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}
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return true;
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})
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->withHeaders(['Content-Type' => 'application/json'])
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->post("https://generativelanguage.googleapis.com/v1beta/models/gemini-2.0-flash:generateContent?key={$this->geminiKey}", [
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'contents' => [
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[
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'parts' => [
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['text' => $prompt]
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]
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]
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],
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'generationConfig' => [
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'temperature' => 0.7,
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'topK' => 40,
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'topP' => 0.95,
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'maxOutputTokens' => 8192,
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'responseMimeType' => 'application/json',
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]
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]);
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if ($response->failed()) {
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Log::error('Gemini API Error Status: ' . $response->status());
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Log::error('Gemini API Error Body: ' . $response->body());
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throw new \Exception('Gemini API request failed: ' . $response->body());
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}
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$data = $response->json();
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if (!isset($data['candidates'][0]['content']['parts'][0]['text'])) {
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Log::error('Gemini API Invalid Response: ' . json_encode($data));
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throw new \Exception('Invalid response from Gemini API.');
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}
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$jsonContent = $data['candidates'][0]['content']['parts'][0]['text'];
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// Clean markdown json blocks if present
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$jsonContent = str_replace(['```json', '```'], '', $jsonContent);
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return json_decode($jsonContent, true);
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} catch (\Exception $e) {
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Log::error('AI Blog Generation Exception: ' . $e->getMessage());
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throw $e;
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}
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}
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/**
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* Build the prompt for Gemini
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*/
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private function buildPrompt(string $topic, ?string $context = null): string
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{
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$contextStr = $context ? "Additional Context: {$context}" : "";
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return <<<EOT
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You are an expert content writer for "Trunçgil Teknoloji", a leading technology company specializing in web software, mobile apps, IoT, and digital transformation.
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Write a comprehensive, SEO-friendly blog post about the topic: "{$topic}".
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{$contextStr}
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**IMPORTANT**: All content in the JSON response (title, content, excerpt, meta_data) MUST BE IN TURKISH language. Only the `image_prompt` should be in English.
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Requirements:
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1. **Format**: Return ONLY a valid JSON object. No markdown formatting outside the JSON structure.
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2. **Language**: Turkish (Türkçe).
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3. **Tone**: Professional, authoritative, yet accessible. Enthusiastic about technology.
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4. **Brand Integration**: Naturally mention "Trunçgil Teknoloji" at least 2-3 times. Position Trunçgil Teknoloji as a solution provider or expert in this field. Use phrases like "Trunçgil Teknoloji olarak biz...", "Deneyimli ekibimizle...", etc.
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5. **Structure**:
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* `title`: Catchy, SEO-optimized title (Max 60 chars) - IN TURKISH.
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* `meta_title`: SEO Meta Title - IN TURKISH.
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* `meta_description`: SEO Meta Description (Max 160 chars) - IN TURKISH.
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* `content`: Full HTML blog post content.
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* Use <h2> and <h3> tags for headings.
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* Use <p> for paragraphs.
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* Include a bulleted list (<ul>/<li>) if appropriate.
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* Do NOT use <h1> or <html>/<body> tags.
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* Ensure the content is informative and valuable (min 600 words).
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* ALL CONTENT MUST BE TURKISH.
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* `excerpt`: A short summary (1-2 sentences) - IN TURKISH.
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* `tags`: Array of 5-8 relevant tags (Turkish).
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* `image_prompt`: A creative English prompt to generate a cover image for this article using an AI image generator.
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JSON Schema:
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{
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"title": "string",
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"meta_title": "string",
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"meta_description": "string",
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"content": "html_string",
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"excerpt": "string",
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"tags": ["string"],
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"image_prompt": "string"
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}
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EOT;
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}
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/**
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* Fetch and save a cover image
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*/
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public function fetchAndSaveImage(string $keyword, string $imagePrompt): ?string
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{
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$imageUrl = null;
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// 1. Try Unsplash if key exists
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if ($this->unsplashKey) {
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try {
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$response = Http::withoutVerifying()->get('https://api.unsplash.com/search/photos', [
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'query' => $keyword,
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'orientation' => 'landscape',
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'per_page' => 1,
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'client_id' => $this->unsplashKey
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]);
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if ($response->successful() && !empty($response['results'])) {
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$imageUrl = $response['results'][0]['urls']['regular'];
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}
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} catch (\Exception $e) {
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Log::warning('Unsplash API failed: ' . $e->getMessage());
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}
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}
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// 2. Fallback to Pollinations AI (using the generated prompt)
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if (!$imageUrl) {
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// Encode the prompt
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$encodedPrompt = urlencode($imagePrompt . " high quality, technological, photorealistic, 4k");
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$imageUrl = "https://image.pollinations.ai/prompt/{$encodedPrompt}";
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}
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if (!$imageUrl) {
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return null;
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}
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// Download and Save
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try {
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$imageContent = Http::withoutVerifying()->get($imageUrl)->body();
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$filename = 'blog/ai-generated-' . Str::slug($keyword) . '-' . time() . '.jpg';
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Storage::disk('public')->put($filename, $imageContent);
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return $filename;
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} catch (\Exception $e) {
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Log::error('Image download failed: ' . $e->getMessage());
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return null;
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}
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}
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}
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