Refactor code structure for improved readability and maintainability

app/models/sound.py

@@ -0,0 +1,34 @@
+from typing import TYPE_CHECKING
+
+from sqlmodel import Field, Relationship
+
+from app.models.base import BaseModel
+
+if TYPE_CHECKING:
+    from app.models.playlist_sound import PlaylistSound
+    from app.models.stream import Stream
+
+
+class Sound(BaseModel, table=True):
+    """Database model for a sound."""
+
+    type: str = Field(nullable=False)
+    name: str = Field(nullable=False)
+    filename: str = Field(nullable=False)
+    duration: int = Field(default=0, ge=0, nullable=False)
+    size: int = Field(default=0, ge=0, nullable=False)
+    hash: str = Field(nullable=False)
+    normalized_filename: str | None = Field(default=None)
+    normalized_duration: int | None = Field(default=None, ge=0)
+    normalized_size: int | None = Field(default=None, ge=0)
+    normalized_hash: str | None = Field(default=None)
+    thumbnail: str | None = Field(default=None)
+    play_count: int = Field(default=0, ge=0, nullable=False)
+    is_normalized: bool = Field(default=False, nullable=False)
+    is_music: bool = Field(default=False, nullable=False)
+    is_deletable: bool = Field(default=True, nullable=False)
+
+
+    # relationships
+    playlist_sounds: list["PlaylistSound"] = Relationship(back_populates="sound")
+    streams: list["Stream"] = Relationship(back_populates="sound")