3dtours
2ad29226c4
- _scan_soundfonts: dict-keyed by base_id to prevent duplicates
- Add 'source' field ('system' | 'upload') to each soundfont entry
- Delete endpoint: only allow deleting upload soundfonts (403 for system)
- Frontend: show (system)/(upload) tag, hide Delete for system fonts
162 lines
6.3 KiB
Python
162 lines
6.3 KiB
Python
import os, uuid, json, tempfile
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from fastapi import APIRouter, HTTPException, Depends, UploadFile, File, BackgroundTasks
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from fastapi.responses import FileResponse
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from pydantic import BaseModel
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from typing import Optional, Any
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from app.config import settings
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from app.core.vst_engine import PluginManager, HAS_PEDALBOARD, HAS_PYFLUIDSYNTH
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from app.core.render_engine import PythonRenderEngine
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from app.core.soundfont_inspector import SoundFontInspector
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from app.core.soundfont_converter import SoundFontConverter
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from app.api.v1.auth import get_current_user
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router = APIRouter()
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UPLOAD_SF_DIR = os.path.join(settings.STORAGE_DIR, "soundfonts")
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os.makedirs(UPLOAD_SF_DIR, exist_ok=True)
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SYSTEM_SF_DIR = "/opt/daw_engine/soundfonts"
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_inspector = None
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def get_inspector():
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global _inspector
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if _inspector is None:
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_inspector = SoundFontInspector(system_sf_dir=SYSTEM_SF_DIR, upload_sf_dir=UPLOAD_SF_DIR)
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return _inspector
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@router.get("/available")
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async def list_plugins(current_user: dict = Depends(get_current_user)):
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pm = PluginManager(upload_sf_dir=UPLOAD_SF_DIR)
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return pm.list_available()
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@router.get("/default-soundfonts")
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async def list_default_soundfonts():
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static_sf_dir = os.path.join(os.path.dirname(os.path.dirname(os.path.dirname(__file__))), "static", "soundfonts")
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result = []
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if os.path.isdir(static_sf_dir):
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for f in os.listdir(static_sf_dir):
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if f.endswith(".sf2") or f.endswith(".sf3"):
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result.append({
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"id": os.path.splitext(f)[0],
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"name": f,
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"file": f,
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"url": f"/soundfonts/{f}"
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})
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return result
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@router.get("/soundfonts/catalog")
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async def soundfont_catalog(current_user: dict = Depends(get_current_user)):
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inspector = get_inspector()
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full_catalog = inspector.get_catalog()
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condensed_catalog = inspector.get_condensed_catalog_summary()
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return {"full_catalog": full_catalog, "condensed_catalog": condensed_catalog}
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@router.get("/soundfont-instruments/{sf_id}")
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async def list_soundfont_instruments(sf_id: str, current_user: dict = Depends(get_current_user)):
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pm = PluginManager(upload_sf_dir=UPLOAD_SF_DIR)
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presets = pm.list_soundfont_instruments(sf_id)
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return {"presets": presets, "count": len(presets)}
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@router.post("/upload-soundfont")
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async def upload_soundfont(
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file: UploadFile = File(...),
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background_tasks: BackgroundTasks = None,
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current_user: dict = Depends(get_current_user)
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):
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if not (file.filename and (file.filename.endswith(".sf2") or file.filename.endswith(".sf3"))):
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raise HTTPException(status_code=400, detail="Only .sf2 / .sf3 files are allowed")
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contents = await file.read()
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if not PluginManager.validate_sf2_header(contents):
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raise HTTPException(status_code=400, detail="Invalid SoundFont file: missing RIFF/sfbk header")
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file_ext = os.path.splitext(file.filename)[1]
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file_uuid = str(uuid.uuid4())
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# Store original name in a sidecar file
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base_name = os.path.splitext(file.filename)[0].replace('/', '_').replace('\\', '_')
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file_id = file_uuid + file_ext
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dest_path = os.path.join(UPLOAD_SF_DIR, file_id)
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with open(dest_path, "wb") as f:
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f.write(contents)
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# Save metadata with original name
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meta_path = os.path.join(UPLOAD_SF_DIR, file_uuid + ".meta")
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with open(meta_path, "w", encoding="utf-8") as f:
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import json
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json.dump({"original_name": file.filename, "uuid": file_uuid, "file": file_id}, f)
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inspector = get_inspector()
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inspector.invalidate_catalog_cache()
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if background_tasks:
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background_tasks.add_task(inspector.generate_full_catalog)
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return {"id": file_id, "name": file.filename, "path": dest_path, "size_bytes": len(contents)}
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@router.delete("/soundfont/{sf_id}")
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async def delete_soundfont(sf_id: str, current_user: dict = Depends(get_current_user)):
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base_id = sf_id.replace("sf_", "")
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deleted = False
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for d in [UPLOAD_SF_DIR, os.path.join(os.path.dirname(os.path.dirname(os.path.dirname(__file__))), "static", "soundfonts"), SYSTEM_SF_DIR]:
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if not os.path.isdir(d):
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continue
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for f in os.listdir(d):
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if os.path.splitext(f)[0] == base_id:
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# Skip system dir — only allow deleting uploads
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if d == SYSTEM_SF_DIR:
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raise HTTPException(status_code=403, detail="System soundfonts cannot be deleted via this endpoint")
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path = os.path.join(d, f)
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os.remove(path)
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meta_path = os.path.join(d, os.path.splitext(f)[0] + ".meta")
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if os.path.isfile(meta_path):
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os.remove(meta_path)
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deleted = True
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break
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if deleted:
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break
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if not deleted:
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raise HTTPException(status_code=404, detail="SoundFont not found")
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inspector = get_inspector()
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inspector.invalidate_catalog_cache()
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return {"deleted": True, "sf_id": sf_id}
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@router.get("/soundfonts/download/{sf_id}")
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async def download_soundfont_asset(sf_id: str):
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clean_id = sf_id.replace("sf_", "") if sf_id.startswith("sf_") else sf_id
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for base_dir in [UPLOAD_SF_DIR, SYSTEM_SF_DIR]:
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if not os.path.isdir(base_dir):
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continue
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for ext in [".sf2", ".sf3"]:
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for fname in os.listdir(base_dir):
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fbase, fext = os.path.splitext(fname)
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if fext.lower() == ext and fbase.lower() == clean_id.lower():
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full = os.path.join(base_dir, fname)
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return FileResponse(full, media_type="application/octet-stream", filename=f"soundfont{ext}")
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raise HTTPException(status_code=404, detail="SoundFont asset not found")
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class RenderRequest(BaseModel):
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project_json: dict
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output_filename: Optional[str] = "render_output.wav"
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@router.post("/render")
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async def render_project(
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req: RenderRequest,
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current_user: dict = Depends(get_current_user)
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):
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engine = PythonRenderEngine()
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output_path = os.path.join(settings.PROCESSED_DIR, req.output_filename or "render_output.wav")
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try:
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result_path = engine.render_project(req.project_json, output_path)
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return {"url": f"/static/audio/processed/{os.path.basename(result_path)}", "path": result_path}
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except Exception as e:
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raise HTTPException(status_code=500, detail=f"Render failed: {str(e)}")
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