wehub-resource-sync
83 lines
2.8 KiB
Python
83 lines
2.8 KiB
Python
"""Audio file serving endpoints."""
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import mimetypes
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from pathlib import Path
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from fastapi import APIRouter, Depends, HTTPException
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from fastapi.responses import FileResponse
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from sqlalchemy.orm import Session
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from .. import config, models
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from ..services import history
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from ..database import get_db
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router = APIRouter()
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def _audio_media_type(path: Path) -> str:
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"""Derive the Content-Type from the file extension.
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Imported audio retains its source format (.mp3, .m4a, .ogg, …) so a
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blanket ``audio/wav`` would mislead strict clients trying to decode
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via the response header instead of sniffing the bytes."""
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guessed, _ = mimetypes.guess_type(path.name)
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return guessed or "audio/wav"
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@router.get("/audio/version/{version_id}")
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async def get_version_audio(version_id: str, db: Session = Depends(get_db)):
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"""Serve audio for a specific version."""
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from ..services import versions as versions_mod
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version = versions_mod.get_version(version_id, db)
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if not version:
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raise HTTPException(status_code=404, detail="Version not found")
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audio_path = config.resolve_storage_path(version.audio_path)
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if audio_path is None or not audio_path.exists():
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raise HTTPException(status_code=404, detail="Audio file not found")
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return FileResponse(
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audio_path,
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media_type=_audio_media_type(audio_path),
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filename=f"generation_{version.generation_id}_{version.label}{audio_path.suffix}",
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)
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@router.get("/audio/{generation_id}")
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async def get_audio(generation_id: str, db: Session = Depends(get_db)):
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"""Serve generated audio file (serves the default version)."""
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generation = await history.get_generation(generation_id, db)
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if not generation:
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raise HTTPException(status_code=404, detail="Generation not found")
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audio_path = config.resolve_storage_path(generation.audio_path)
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if audio_path is None or not audio_path.exists():
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raise HTTPException(status_code=404, detail="Audio file not found")
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return FileResponse(
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audio_path,
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media_type=_audio_media_type(audio_path),
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filename=f"generation_{generation_id}{audio_path.suffix}",
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)
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@router.get("/samples/{sample_id}")
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async def get_sample_audio(sample_id: str, db: Session = Depends(get_db)):
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"""Serve profile sample audio file."""
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from ..database import ProfileSample as DBProfileSample
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sample = db.query(DBProfileSample).filter_by(id=sample_id).first()
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if not sample:
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raise HTTPException(status_code=404, detail="Sample not found")
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audio_path = config.resolve_storage_path(sample.audio_path)
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if audio_path is None or not audio_path.exists():
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raise HTTPException(status_code=404, detail="Audio file not found")
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return FileResponse(
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audio_path,
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media_type="audio/wav",
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filename=f"sample_{sample_id}.wav",
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)
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