126 lines
4.8 KiB
Python
126 lines
4.8 KiB
Python
import time
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from sqlalchemy import JSON, Boolean, Column, ForeignKey, Index, Integer, String
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from sqlalchemy.orm import relationship
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from auth.orm import Author
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from orm.base import BaseModel as Base
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from orm.reaction import Reaction
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from orm.topic import Topic
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class ShoutTopic(Base):
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"""
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Связь между публикацией и темой.
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Attributes:
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shout (int): ID публикации
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topic (int): ID темы
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main (bool): Признак основной темы
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"""
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__tablename__ = "shout_topic"
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id = None # type: ignore[misc]
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shout = Column(ForeignKey("shout.id"), primary_key=True, index=True)
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topic = Column(ForeignKey("topic.id"), primary_key=True, index=True)
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main = Column(Boolean, nullable=True)
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# Определяем дополнительные индексы
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__table_args__ = (
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# Оптимизированный составной индекс для запросов, которые ищут публикации по теме
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Index("idx_shout_topic_topic_shout", "topic", "shout"),
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)
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class ShoutReactionsFollower(Base):
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__tablename__ = "shout_reactions_followers"
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id = None # type: ignore[misc]
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follower = Column(ForeignKey("author.id"), primary_key=True, index=True)
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shout = Column(ForeignKey("shout.id"), primary_key=True, index=True)
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auto = Column(Boolean, nullable=False, default=False)
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created_at = Column(Integer, nullable=False, default=lambda: int(time.time()))
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deleted_at = Column(Integer, nullable=True)
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class ShoutAuthor(Base):
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"""
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Связь между публикацией и автором.
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Attributes:
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shout (int): ID публикации
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author (int): ID автора
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caption (str): Подпись автора
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"""
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__tablename__ = "shout_author"
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id = None # type: ignore[misc]
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shout = Column(ForeignKey("shout.id"), primary_key=True, index=True)
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author = Column(ForeignKey("author.id"), primary_key=True, index=True)
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caption = Column(String, nullable=True, default="")
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# Определяем дополнительные индексы
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__table_args__ = (
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# Оптимизированный индекс для запросов, которые ищут публикации по автору
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Index("idx_shout_author_author_shout", "author", "shout"),
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)
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class Shout(Base):
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"""
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Публикация в системе.
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"""
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__tablename__ = "shout"
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created_at = Column(Integer, nullable=False, default=lambda: int(time.time()))
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updated_at = Column(Integer, nullable=True, index=True)
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published_at = Column(Integer, nullable=True, index=True)
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featured_at = Column(Integer, nullable=True, index=True)
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deleted_at = Column(Integer, nullable=True, index=True)
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created_by = Column(ForeignKey("author.id"), nullable=False)
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updated_by = Column(ForeignKey("author.id"), nullable=True)
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deleted_by = Column(ForeignKey("author.id"), nullable=True)
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community = Column(ForeignKey("community.id"), nullable=False)
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body = Column(String, nullable=False, comment="Body")
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slug = Column(String, unique=True)
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cover = Column(String, nullable=True, comment="Cover image url")
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cover_caption = Column(String, nullable=True, comment="Cover image alt caption")
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lead = Column(String, nullable=True)
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title = Column(String, nullable=False)
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subtitle = Column(String, nullable=True)
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layout = Column(String, nullable=False, default="article")
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media = Column(JSON, nullable=True)
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authors = relationship(Author, secondary="shout_author")
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topics = relationship(Topic, secondary="shout_topic")
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reactions = relationship(Reaction)
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lang = Column(String, nullable=False, default="ru", comment="Language")
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version_of = Column(ForeignKey("shout.id"), nullable=True)
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oid = Column(String, nullable=True)
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seo = Column(String, nullable=True) # JSON
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draft = Column(ForeignKey("draft.id"), nullable=True)
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# Определяем индексы
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__table_args__ = (
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# Индекс для быстрого поиска неудаленных публикаций
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Index("idx_shout_deleted_at", "deleted_at", postgresql_where=deleted_at.is_(None)),
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# Индекс для быстрой фильтрации по community
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Index("idx_shout_community", "community"),
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# Индекс для быстрого поиска по slug
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Index("idx_shout_slug", "slug"),
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# Составной индекс для фильтрации опубликованных неудаленных публикаций
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Index(
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"idx_shout_published_deleted",
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"published_at",
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"deleted_at",
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postgresql_where=published_at.is_not(None) & deleted_at.is_(None),
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),
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)
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