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WIP: add table to record links between items

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Edward Betts 2018-06-04 14:17:13 +01:00
parent 66ea0d1826
commit 989c36f52d
1 changed files with 17 additions and 0 deletions
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17
sourcing/model.py
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@ -122,6 +122,14 @@ class User(TimeStampedModel, UserMixin):
raise LoginError('incorrect password') raise LoginError('incorrect password')
return user return user
class Reference(Base):
__tablename__ = 'reference'
subject_id = Column(Integer, ForeignKey('item.id'), primary_key=True)
object_id = Column(Integer, ForeignKey('item.id'), primary_key=True)
subject_item = relationship('User', backref='objects')
object_item = relationship('User', backref='subjects')
class Item(TimeStampedModel): class Item(TimeStampedModel):
__tablename__ = 'item' __tablename__ = 'item'
__versioned__ = {'base_classes': (TimeStampedModel,)} __versioned__ = {'base_classes': (TimeStampedModel,)}
@ -134,6 +142,15 @@ class Item(TimeStampedModel):
filename = Column(Unicode) filename = Column(Unicode)
text = Column(UnicodeText) text = Column(UnicodeText)
subjects = relationship('item',
secondary='reference',
# backref='object_item',
primaryjoin=id == Reference.object_id)
objects = relationship('item',
secondary='reference',
# backref='subjects_item',
primaryjoin=id == Reference.subject_id)
user = relationship('User', backref='items') user = relationship('User', backref='items')
__mapper_args__ = { __mapper_args__ = {