121 lines
4.8 KiB
Python
121 lines
4.8 KiB
Python
from the_works.database import db
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from sqlalchemy.orm import relationship
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from sqlalchemy.ext.associationproxy import association_proxy
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from flask import url_for
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import sys
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# add method to sqlalchemy.orm.decl_api.Model
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def _asdict(self):
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d = {}
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for col in self.__table__.c:
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if type(col.type) == db.types.BLOB:
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d[col.key] = "Blob (NULL)" if self.__getattribute__(col.key) == None else f"Blob ({sys.getsizeof(self.__getattribute__(col.key))} Bytes)"
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else:
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d[col.key] = self.__getattribute__(col.key)
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return d
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db.Model._asdict = _asdict
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# override repr() method from sqlalchemy.orm.decl_api.Model
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def __repr__(self):
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return f"Titelbild({str(self._asdict())})"
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db.Model.__repr__ = __repr__
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class Text(db.Model):
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__table__ = db.Model.metadata.tables['Text']
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reihe = relationship("Reihe", back_populates="text")
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textform = relationship("Textform", back_populates="text")
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sprache = relationship("Sprache", back_populates="text")
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veroeffentlichung = relationship("Veroeffentlichung", back_populates="text")
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text_genre = relationship("Text_Genre", back_populates="text", cascade="save-update, merge, delete, delete-orphan")
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genres = association_proxy("text_genre", "Genre")
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class Werk(db.Model):
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__table__ = db.Model.metadata.tables['Werk']
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reihe = relationship("Reihe", back_populates="werk")
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verlag = relationship("Verlag", back_populates="werk")
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werksform = relationship("Werksform", back_populates="werk")
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veroeffentlichung = relationship("Veroeffentlichung", back_populates="werk")
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werk_genre = relationship("Werk_Genre", back_populates="werk", cascade="save-update, merge, delete, delete-orphan")
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# titelbild = relationship("Titelbild", back_populates="werk", cascade="all, delete-orphan", single_parent=True)
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titelbild = relationship("Titelbild", back_populates="werk")
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genres = association_proxy("werk_genre", "Genre")
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werk_herausgeber = relationship("Werk_Herausgeber", back_populates="werk", cascade="save-update, merge, delete, delete-orphan")
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herausgeber = association_proxy("werk_herausgeber", "Herausgeber")
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class Veroeffentlichung(db.Model):
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__table__ = db.Model.metadata.tables['Veroeffentlichung']
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text = relationship("Text", back_populates="veroeffentlichung")
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werk = relationship("Werk", back_populates="veroeffentlichung")
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pseudonym = relationship("Pseudonym", back_populates="veroeffentlichung")
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class Reihe(db.Model):
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__table__ = db.Model.metadata.tables['Reihe']
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text = relationship("Text", back_populates="reihe")
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werk = relationship("Werk", back_populates="reihe")
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verlag = relationship("Verlag", back_populates="reihe")
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class Verlag(db.Model):
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__table__ = db.Model.metadata.tables['Verlag']
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werk = relationship("Werk", back_populates="verlag")
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reihe = relationship("Reihe", back_populates="verlag")
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class Sprache(db.Model):
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__table__ = db.Model.metadata.tables['Sprache']
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text = relationship("Text", back_populates="sprache")
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class Textform(db.Model):
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__table__ = db.Model.metadata.tables['Textform']
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text = relationship("Text", back_populates="textform")
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class Werksform(db.Model):
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__table__ = db.Model.metadata.tables['Werksform']
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werk = relationship("Werk", back_populates="werksform")
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class Genre(db.Model):
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__table__ = db.Model.metadata.tables['Genre']
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text_genre = relationship("Text_Genre", back_populates="genre")
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werk_genre = relationship("Werk_Genre", back_populates="genre")
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class Pseudonym(db.Model):
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__table__ = db.Model.metadata.tables['Pseudonym']
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veroeffentlichung = relationship("Veroeffentlichung", back_populates="pseudonym")
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class Herausgeber(db.Model):
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__table__ = db.Model.metadata.tables['Herausgeber']
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werk_herausgeber = relationship("Werk_Herausgeber", back_populates="herausgeber")
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class Titelbild(db.Model):
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__table__ = db.Model.metadata.tables['Titelbild']
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werk = relationship("Werk", back_populates="titelbild")
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def _asdict_with_urls(self):
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tb = self._asdict()
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tb["Bild"] = url_for("titelbild.image", id=self.ID)
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tb["Thumbnail"] = url_for("titelbild.thumbnail", id=self.ID)
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return tb
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class Text_Genre(db.Model):
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__table__ = db.Model.metadata.tables['Text_Genre']
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text = relationship("Text", back_populates="text_genre")
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genre = relationship("Genre", back_populates="text_genre")
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def __init__(self, genre: int):
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self.Genre = genre
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class Werk_Genre(db.Model):
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__table__ = db.Model.metadata.tables['Werk_Genre']
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werk = relationship("Werk", back_populates="werk_genre")
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genre = relationship("Genre", back_populates="werk_genre")
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def __init__(self, genre: int):
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self.Genre = genre
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class Werk_Herausgeber(db.Model):
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__table__ = db.Model.metadata.tables['Werk_Herausgeber']
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werk = relationship("Werk", back_populates="werk_herausgeber")
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herausgeber = relationship("Herausgeber", back_populates="werk_herausgeber")
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def __init__(self, hrsg: int):
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self.Herausgeber = hrsg
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