mirror of https://github.com/stijndcl/didier
49 lines
1.7 KiB
Python
49 lines
1.7 KiB
Python
from __future__ import annotations
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from sqlalchemy import Column, Integer, Text, ForeignKey, Boolean
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from sqlalchemy.orm import declarative_base, relationship
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Base = declarative_base()
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class UforaCourse(Base):
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"""A course on Ufora"""
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__tablename__ = "ufora_courses"
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course_id: int = Column(Integer, primary_key=True)
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name: str = Column(Text, nullable=False, unique=True)
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code: str = Column(Text, nullable=False, unique=True)
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year: int = Column(Integer, nullable=False)
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log_announcements: bool = Column(Boolean, default=False, nullable=False)
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announcements: list[UforaAnnouncement] = relationship(
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"UforaAnnouncement", back_populates="course", cascade="all, delete-orphan", lazy="selectin"
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)
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aliases: list[UforaCourseAlias] = relationship(
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"UforaCourseAlias", back_populates="course", cascade="all, delete-orphan", lazy="selectin"
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)
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class UforaCourseAlias(Base):
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"""An alias for a course on Ufora that we use to refer to them"""
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__tablename__ = "ufora_course_aliases"
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alias_id: int = Column(Integer, primary_key=True)
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alias: str = Column(Text, nullable=False, unique=True)
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course_id: int = Column(Integer, ForeignKey("ufora_courses.course_id"))
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course: UforaCourse = relationship("UforaCourse", back_populates="aliases", uselist=False, lazy="selectin")
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class UforaAnnouncement(Base):
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"""An announcement sent on Ufora"""
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__tablename__ = "ufora_announcements"
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announcement_id = Column(Integer, primary_key=True)
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course_id = Column(Integer, ForeignKey("ufora_courses.course_id"))
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course: UforaCourse = relationship("UforaCourse", back_populates="announcements", uselist=False, lazy="selectin")
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