2025-summer/team-3
12
Fork 0
Code Issues Pull requests Projects Releases Activity

track m2m changes

Browse source
This commit is contained in:
Laura Klünder 2017-06-13 14:21:01 +02:00
parent 66596aac63
commit ff0922fe64
3 changed files with 56 additions and 8 deletions
Download patch file Download diff file Expand all files Collapse all files

26
src/c3nav/editor/models.py
View file

@ -98,17 +98,26 @@ class ChangeSet(models.Model):
for name, value in kwargs.items():
setattr(change, name, value)
change.save()
print(repr(change))
# print(repr(change))
return change
def add_create(self, obj, author=None):
change = self._new_change(author=author, action='create', model_class=type(obj._obj))
obj.pk = 'c%d' % change.pk
def add_update(self, obj, name, value, author=None):
return self._new_change(author=author, action='update', obj=obj,
def _add_value(self, action, obj, name, value, author=None):
return self._new_change(author=author, action=action, obj=obj,
field_name=name, field_value=json.dumps(value, ensure_ascii=False))
def add_update(self, obj, name, value, author=None):
return self._add_value('update', obj, name, value, author)
def add_m2m_add(self, obj, name, value, author=None):
return self._add_value('m2m_add', obj, name, value, author)
def add_m2m_remove(self, obj, name, value, author=None):
return self._add_value('m2m_remove', obj, name, value, author)
def add_delete(self, obj, author=None):
return self._new_change(author=author, action='delete', obj=obj)
@ -183,8 +192,11 @@ class Change(models.Model):
raise TypeError('existing_model_pk or created_object have to be set.')
@obj.setter
def obj(self, value: models.Model):
if isinstance(value, ModelInstanceWrapper) and isinstance(value.pk, str):
def obj(self, value):
if not isinstance(value, ModelInstanceWrapper):
value = self.changeset.wrap(value)
if isinstance(value.pk, str):
if value._changeset.id != self.changeset.pk:
raise ValueError('value is a Change instance but belongs to a different changeset.')
self.model_class = type(value._obj)
@ -252,5 +264,9 @@ class Change(models.Model):
result += 'Update object '+repr(self.obj)+': '+self.field_name+'='+self.field_value
elif self.action == 'delete':
result += 'Delete object '+repr(self.obj)
elif self.action == 'm2m_add':
result += 'Update (m2m) object '+repr(self.obj)+': '+self.field_name+'.add('+self.field_value+')'
elif self.action == 'm2m_remove':
result += 'Update (m2m) object '+repr(self.obj)+': '+self.field_name+'.remove('+self.field_value+')'
result += '>'
return result