Lyrics Generation Callbacks

from flask import Flask, request, jsonify
import json

app = Flask(__name__)

@app.route('/lyrics-callback', methods=['POST'])
def handle_callback():
    data = request.json
    
    code = data.get('code')
    msg = data.get('msg')
    callback_data = data.get('data', {})
    task_id = callback_data.get('taskId')
    callback_type = callback_data.get('callbackType')
    lyrics_data = callback_data.get('data', [])
    
    print(f"Received lyrics generation callback: {task_id}, Type: {callback_type}, Status: {code}")
    
    if code == 200 and callback_type == 'complete':
        # Lyrics generation successful
        print(f"Generated {len(lyrics_data)} lyrics variants:")
        
        for i, lyrics in enumerate(lyrics_data):
            if lyrics.get('status') == 'complete':
                print(f"\nLyrics {i + 1}:")
                print(f"Title: {lyrics.get('title')}")
                print(f"Content:\n{lyrics.get('text')}")
                
                # Process lyrics data
                # Can save to file, database, etc.
                save_lyrics_to_file(lyrics, task_id, i + 1)
            else:
                print(f"Lyrics {i + 1} failed: {lyrics.get('errorMessage')}")
                
    else:
        # Task failed
        print(f"Lyrics generation failed: {msg}")
        
        # Handle failure cases...
        if code == 400:
            print("Parameter error or content violation")
        elif code == 429:
            print("Insufficient credits")
        elif code == 500:
            print("Server internal error")
    
    # Return 200 status code to confirm callback received
    return jsonify({'status': 'received'}), 200

def save_lyrics_to_file(lyrics, task_id, index):
    """Save lyrics to a text file"""
    try:
        filename = f"lyrics_{task_id}_{index}.txt"
        with open(filename, "w", encoding="utf-8") as f:
            f.write(f"Title: {lyrics.get('title')}\n\n")
            f.write(lyrics.get('text'))
        print(f"Lyrics saved as {filename}")
    except Exception as e:
        print(f"Failed to save lyrics: {e}")

if __name__ == '__main__':
    app.run(host='0.0.0.0', port=3000)

<?php
header('Content-Type: application/json');

// Get POST data
$input = file_get_contents('php://input');
$data = json_decode($input, true);

$code = $data['code'] ?? null;
$msg = $data['msg'] ?? '';
$callbackData = $data['data'] ?? [];
$taskId = $callbackData['taskId'] ?? '';
$callbackType = $callbackData['callbackType'] ?? '';
$lyricsData = $callbackData['data'] ?? [];

error_log("Received lyrics generation callback: $taskId, Type: $callbackType, Status: $code");

if ($code === 200 && $callbackType === 'complete') {
    // Lyrics generation successful
    error_log("Generated " . count($lyricsData) . " lyrics variants:");
    
    foreach ($lyricsData as $index => $lyrics) {
        if (($lyrics['status'] ?? '') === 'complete') {
            $title = $lyrics['title'] ?? '';
            $text = $lyrics['text'] ?? '';
            
            error_log("Lyrics " . ($index + 1) . ":");
            error_log("Title: $title");
            error_log("Content: $text");
            
            // Process lyrics data
            // Can save to file, database, etc.
            saveLyricsToFile($lyrics, $taskId, $index + 1);
        } else {
            $errorMsg = $lyrics['errorMessage'] ?? '';
            error_log("Lyrics " . ($index + 1) . " failed: $errorMsg");
        }
    }
    
} else {
    // Task failed
    error_log("Lyrics generation failed: $msg");
    
    // Handle failure cases...
    if ($code === 400) {
        error_log("Parameter error or content violation");
    } elseif ($code === 429) {
        error_log("Insufficient credits");
    } elseif ($code === 500) {
        error_log("Server internal error");
    }
}

function saveLyricsToFile($lyrics, $taskId, $index) {
    try {
        $title = $lyrics['title'] ?? '';
        $text = $lyrics['text'] ?? '';
        $filename = "lyrics_{$taskId}_{$index}.txt";
        
        $content = "Title: $title\n\n$text";
        file_put_contents($filename, $content);
        error_log("Lyrics saved as $filename");
    } catch (Exception $e) {
        error_log("Failed to save lyrics: " . $e->getMessage());
    }
}

// Return 200 status code to confirm callback received
http_response_code(200);
echo json_encode(['status' => 'received']);
?>