def on_delete(item, attr, trans, bPermanent):
if bPermanent:
[CompositionEventHandler._removeComposite(_db.get_item(id, trans),
trans)
for id in attr.value]
else:
for sID in attr.value:
composite = _db.get_item(sID, trans)
_db.handle_delete(composite, trans, False)
composite._isDeleted = 1
_db.put_item(composite, trans)
def on_delete(cls, item, attr, trans, bPermanent):
if bPermanent:
if item._isDeleted:
func_get = _db.getDeletedItem
else:
func_get = _db.getItem
composites = [func_get(sID, trans) for sID in attr.value]
for composite in composites:
cls.removeComposite(composite, trans)
else:
for sID in attr.value:
composite = _db.getItem(sID, trans)
_db.handle_delete(composite, trans, False)
composite._isDeleted = True
_db.putItem(composite, trans)
def _delete(self, trans):
"""
Deletes the item physically.
Bypasses security checks.
Returns: None
"""
_db.handle_delete(self, trans, True)
_db.deleteItem(self, trans)
if self.isCollection:
lstChildren = self._items.values() + self._subfolders.values()
for sID in lstChildren:
oChild = _db.getItem(sID, trans)
oChild._delete(trans)
def _recycle(self, trans):
"""
Removes an item's references and marks it as deleted.
Returns: None
"""
_db.handle_delete(self, trans, False)
self._isDeleted = True
if self.isCollection:
lstChildren = self._items.values() + self._subfolders.values()
for sID in lstChildren:
oChild = _db.getItem(sID, trans)
oChild._recycle(trans)
_db.putItem(self, trans)
def _delete(self, trans):
"""
Deletes the item physically.
@param trans: A valid transaction handle
@return: None
"""
_db.handle_delete(self, trans, True)
_db.delete_item(self, trans)
if self.isCollection:
cursor = None
try:
cursor = _db.query_index('_parentid', self._id, trans)
cursor.fetch_all = True
[child._delete(trans) for child in cursor]
finally:
if cursor != None:
cursor.close()
def _recycle(self, trans):
"""
Deletes an item logically.
Bypasses security checks.
@return: None
"""
if not self._isDeleted:
_db.handle_delete(self, trans, False)
self._isDeleted = int(self._isDeleted) + 1
if self.isCollection:
cursor = None
try:
cursor = _db.query_index('_parentid', self._id, trans)
cursor.fetch_all = True
[child._recycle(trans) for child in cursor]
finally:
if cursor != None:
cursor.close()
_db.put_item(self, trans)
def _removeComposite(composite, trans):
_db.handle_delete(composite, trans, True)
_db.delete_item(composite, trans)
def removeComposite(cls, composite, trans):
_db.handle_delete(composite, trans, True)
_db.deleteItem(composite, trans)