Initial commit - Navi.FM v3

app/database.py

@@ -0,0 +1,69 @@
+import os
+from sqlalchemy import create_engine, Column, String, Float, Boolean, Integer
+from sqlalchemy.orm import declarative_base
+from sqlalchemy.orm import sessionmaker
+
+DATA_DIR = os.getenv("DATA_DIR", "/data")
+SQLALCHEMY_DATABASE_URL = f"sqlite:///{os.path.join(DATA_DIR, 'navifm.db')}"
+
+engine = create_engine(
+    SQLALCHEMY_DATABASE_URL, connect_args={"check_same_thread": False}
+)
+SessionLocal = sessionmaker(autocommit=False, autoflush=False, bind=engine, expire_on_commit=False)
+
+Base = declarative_base()
+
+class Track(Base):
+    __tablename__ = "tracks"
+
+    id = Column(String, primary_key=True, index=True) # Navidrome Track ID
+    title = Column(String, index=True)
+    artist = Column(String, index=True)
+    album = Column(String)
+    duration = Column(Integer)
+    path = Column(String) # Navidrome file path or relative path
+    
+    # Analysis Status
+    analyzed = Column(Boolean, default=False)
+    
+    # Analyzed Metadata
+    bpm = Column(Float, nullable=True)
+    key = Column(String, nullable=True)
+    lufs = Column(Float, nullable=True)
+    energy = Column(Float, nullable=True)
+    spectral_centroid = Column(Float, nullable=True)
+    onset_density = Column(Float, nullable=True)
+    
+    # Play stats
+    last_played = Column(Integer, default=0) # timestamp
+    play_count = Column(Integer, default=0)
+
+class Setting(Base):
+    __tablename__ = "settings"
+    
+    key = Column(String, primary_key=True)
+    value = Column(String)
+
+def get_setting(db, key: str, default: str = None):
+    setting = db.query(Setting).filter(Setting.key == key).first()
+    return setting.value if setting else default
+
+def set_setting(db, key: str, value: str):
+    setting = db.query(Setting).filter(Setting.key == key).first()
+    if setting:
+        setting.value = value
+    else:
+        setting = Setting(key=key, value=value)
+        db.add(setting)
+    db.commit()
+
+def init_db():
+    os.makedirs(DATA_DIR, exist_ok=True)
+    Base.metadata.create_all(bind=engine)
+
+def get_db():
+    db = SessionLocal()
+    try:
+        yield db
+    finally:
+        db.close()