def delete(self, request, collection, experiment, channel_layer):
"""
Delete a Channel or a Layer
Args:
request: DRF Request object
collection: Collection name
experiment: Experiment name
channel_layer: Channel or Layer name
Returns :
Http status
"""
try:
collection_obj = Collection.objects.get(name=collection)
experiment_obj = Experiment.objects.get(name=experiment, collection=collection_obj)
channel_layer_obj = ChannelLayer.objects.get(name=channel_layer, experiment=experiment_obj)
if request.user.has_perm("delete", channel_layer_obj):
channel_layer_obj.delete()
# delete the lookup key for this object
LookUpKey.delete_lookup_key(collection, experiment, channel_layer)
return HttpResponse(status=204)
else:
return BossPermissionError('delete', channel_layer)
except Collection.DoesNotExist:
return BossResourceNotFoundError(collection)
except Experiment.DoesNotExist:
return BossResourceNotFoundError(experiment)
except ChannelLayer.DoesNotExist:
return BossResourceNotFoundError(channel_layer)
except ProtectedError:
return BossHTTPError("Cannot delete {}. It has layers that reference it.".format(channel_layer),
ErrorCodes.INTEGRITY_ERROR)
def delete(self, request, collection, experiment):
"""
Delete a experiment
Args:
request: DRF Request object
collection: Name of collection
experiment: Experiment name to delete
Returns:
Http status
"""
try:
collection_obj = Collection.objects.get(name=collection)
experiment_obj = Experiment.objects.get(name=experiment, collection=collection_obj)
if request.user.has_perm("delete", experiment_obj):
experiment_obj.delete()
# # get the lookup key and delete all the meta data for this object
# bosskey = collection + '&' + experiment
# lkey = LookUpKey.get_lookup_key(bosskey)
# mdb = MetaDB()
# mdb.delete_meta_keys(lkey)
# delete the lookup key for this object
LookUpKey.delete_lookup_key(collection, experiment, None)
return HttpResponse(status=204)
else:
return BossPermissionError('delete', experiment)
except Collection.DoesNotExist:
return BossResourceNotFoundError(collection)
except Experiment.DoesNotExist:
return BossResourceNotFoundError(experiment)
except ProtectedError:
return BossHTTPError("Cannot delete {}. It has channels or layers that reference "
"it.".format(experiment), ErrorCodes.INTEGRITY_ERROR)
