28 lines
1.1 KiB
Python
28 lines
1.1 KiB
Python
import uuid
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from datetime import datetime
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from sqlalchemy import Column, String, Integer, DateTime, Text, Boolean, ForeignKey
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from sqlalchemy.dialects.postgresql import UUID
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from sqlalchemy.orm import relationship
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from app.database import Base
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class Lesson(Base):
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__tablename__ = "lessons"
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id = Column(UUID(as_uuid=True), primary_key=True, default=uuid.uuid4)
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title = Column(String(255), nullable=False)
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content = Column(Text, nullable=False)
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category = Column(String(50))
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difficulty = Column(String(20))
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duration_min = Column(Integer, default=5)
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order_num = Column(Integer)
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is_premium = Column(Boolean, default=False)
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class UserLesson(Base):
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__tablename__ = "user_lessons"
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id = Column(UUID(as_uuid=True), primary_key=True, default=uuid.uuid4)
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user_id = Column(UUID(as_uuid=True), ForeignKey("users.id"), nullable=False)
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lesson_id = Column(UUID(as_uuid=True), ForeignKey("lessons.id"), nullable=False)
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completed_at = Column(DateTime, default=datetime.utcnow)
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user = relationship("User", back_populates="completed_lessons")
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lesson = relationship("Lesson")
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