61 lines
2.9 KiB
Python
61 lines
2.9 KiB
Python
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import uuid
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from datetime import datetime
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from sqlalchemy import Boolean, DateTime, ForeignKey, Integer, String, Text, UniqueConstraint, func
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from sqlalchemy.dialects.postgresql import UUID
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from sqlalchemy.orm import Mapped, mapped_column, relationship
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from .base import Base
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class User(Base):
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__tablename__ = "users"
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id: Mapped[uuid.UUID] = mapped_column(UUID(as_uuid=True), primary_key=True, default=uuid.uuid4)
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email: Mapped[str] = mapped_column(String(255), unique=True, index=True, nullable=False)
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hashed_password: Mapped[str] = mapped_column(String(255), nullable=False)
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display_name: Mapped[str] = mapped_column(String(100), nullable=False)
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created_at: Mapped[datetime] = mapped_column(DateTime(timezone=True), server_default=func.now())
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songs: Mapped[list["Song"]] = relationship(back_populates="owner", cascade="all, delete-orphan")
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class Song(Base):
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__tablename__ = "songs"
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id: Mapped[uuid.UUID] = mapped_column(UUID(as_uuid=True), primary_key=True, default=uuid.uuid4)
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user_id: Mapped[uuid.UUID] = mapped_column(UUID(as_uuid=True), ForeignKey("users.id", ondelete="CASCADE"))
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title: Mapped[str] = mapped_column(String(200), nullable=False)
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prompt: Mapped[str] = mapped_column(Text, nullable=False)
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lyrics: Mapped[str | None] = mapped_column(Text, nullable=True)
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mode: Mapped[str] = mapped_column(String(20), default="instrumental") # instrumental | vocals
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status: Mapped[str] = mapped_column(String(20), default="pending") # pending|processing|completed|failed
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error_message: Mapped[str | None] = mapped_column(Text, nullable=True)
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audio_path: Mapped[str | None] = mapped_column(String(500), nullable=True)
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duration_seconds: Mapped[float | None] = mapped_column(nullable=True)
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cover_seed: Mapped[int] = mapped_column(Integer, default=0)
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is_public: Mapped[bool] = mapped_column(Boolean, default=False)
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like_count: Mapped[int] = mapped_column(Integer, default=0)
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created_at: Mapped[datetime] = mapped_column(DateTime(timezone=True), server_default=func.now())
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updated_at: Mapped[datetime] = mapped_column(DateTime(timezone=True), server_default=func.now(), onupdate=func.now())
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owner: Mapped["User"] = relationship(back_populates="songs")
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likes: Mapped[list["Like"]] = relationship(back_populates="song", cascade="all, delete-orphan")
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class Like(Base):
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__tablename__ = "likes"
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__table_args__ = (UniqueConstraint("user_id", "song_id", name="uq_like_user_song"),)
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id: Mapped[uuid.UUID] = mapped_column(UUID(as_uuid=True), primary_key=True, default=uuid.uuid4)
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user_id: Mapped[uuid.UUID] = mapped_column(UUID(as_uuid=True), ForeignKey("users.id", ondelete="CASCADE"))
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song_id: Mapped[uuid.UUID] = mapped_column(UUID(as_uuid=True), ForeignKey("songs.id", ondelete="CASCADE"))
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created_at: Mapped[datetime] = mapped_column(DateTime(timezone=True), server_default=func.now())
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song: Mapped["Song"] = relationship(back_populates="likes")
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