25 lines
920 B
Python
25 lines
920 B
Python
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import uuid
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from sqlalchemy import String, ForeignKey, UniqueConstraint
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from sqlalchemy.orm import Mapped, mapped_column
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from sqlalchemy.dialects.postgresql import UUID, ARRAY
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from ..database import Base
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class LearnableLanguageEntity(Base):
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__tablename__ = "learnable_languages"
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__table_args__ = (
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UniqueConstraint("user_id", "source_language", "target_language", name="uq_learnable_language_user_pair"),
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)
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id: Mapped[uuid.UUID] = mapped_column(
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UUID(as_uuid=True), primary_key=True, default=uuid.uuid4
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)
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user_id: Mapped[uuid.UUID] = mapped_column(
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UUID(as_uuid=True), ForeignKey("users.id"), nullable=False, index=True
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)
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source_language: Mapped[str] = mapped_column(String(10), nullable=False)
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target_language: Mapped[str] = mapped_column(String(10), nullable=False)
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proficiencies: Mapped[list[str]] = mapped_column(ARRAY(String(5)), nullable=False)
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