def save(self, commit=True, update=False,item_id=None):
session = Session()
if update:
item = session.query(Item).get(item_id)
else:
item = Item()
item.title = self.cleaned_data['title']
if not update:
session.add(item)
session.commit()
item.id = item.id
#新建一个item 自动新建一个关系 和一个组合
item_relation = ItemRelation(title = item.title)
session.add(item_relation)
session.commit()
item_relation.id = item_relation.id
item_relation_combination = ItemRelationCombination(item_id =item.id,
item_relation_id = item_relation.id,
combination_number = 1,
show_order = 1,
)
session.add(item_relation_combination)
session.commit()
session.close()
return item
def save(self, commit=True, update=False,item_relation_id=None):
session = Session()
if update:
item_relation = session.query(ItemRelation).get(item_relation_id)
else:
item_relation = ItemRelation()
item_relation.title = self.cleaned_data['title']
if not update:
session.add(item_relation)
session.commit()
item_relation.id = item_relation.id
session.close()
return item_relation