app/utils/audio.py

from fastapi import UploadFile

MAX_AUDIO_SIZE = 10 * 1024 * 1024  # 10MB

ALLOWED_EXTENSIONS = (".webm", ".wav", ".mp3", ".ogg")


def validate_audio_file(file: UploadFile) -> bool:
    """Check content type contains 'audio' or filename ends with allowed extensions."""
    if file.content_type and "audio" in file.content_type:
        return True
    if file.filename:
        return file.filename.lower().endswith(ALLOWED_EXTENSIONS)
    return False