def _adapter_layer_arguments(self):
try:
layer_arguments = adapter_layer_arguments(self.adapter_layer_json)
except (ValueError, AttributeError):
raise WorkspaceItemError("Undecodable json: %s",
self.adapter_layer_json)
return layer_arguments
def get_context_data(self, **kwargs):
context = super(ThresholdsView, self).get_context_data(**kwargs)
identifier = self.identifier()
location_id = identifier["location"]
workspace_item_id = self.request.GET.get("workspace_item_id")
workspace_item = WorkspaceEditItem.objects.get(pk=workspace_item_id)
layer_arguments = adapter_layer_arguments(workspace_item.adapter_layer_json)
jdbc_source_slug = layer_arguments["slug"]
try:
jdbc_source = JdbcSource.objects.get(slug=jdbc_source_slug)
except JdbcSource.DoesNotExist:
raise WorkspaceItemError("Jdbc source %s doesn't exist." % jdbc_source_slug)
parameter_id = layer_arguments["parameter"]
filter_id = layer_arguments["filter"]
named_locations = jdbc_source.get_locations(filter_id, parameter_id)
location_name = [location["location"] for location in named_locations if location["locationid"] == location_id][
0
]
context["location_name"] = location_name
# get the threshold belonging to the location, filter and parameter ids
thresholds = Threshold.objects.filter(location_id=location_id, filter_id=filter_id, parameter_id=parameter_id)
context["location"] = location_id
context["thresholds"] = thresholds
adapter = workspace_item.adapter
context["adapter"] = adapter
image_graph_url = workspace_item.url("lizard_map_adapter_image", [identifier])
context["image_graph_url"] = image_graph_url
flot_graph_data_url = workspace_item.url("lizard_map_adapter_flot_graph_data", [identifier])
context["flot_graph_data_url"] = flot_graph_data_url
context["form"] = ThresholdCreateForm(
initial={"workspace_item_id": workspace_item_id, "location_id": location_id}
)
return context
def save(self, commit=True):
workspace_item = WorkspaceEditItem.objects.get(
pk=self.cleaned_data['workspace_item_id'])
layer_arguments = adapter_layer_arguments(
workspace_item.adapter_layer_json)
parameter_id = layer_arguments['parameter']
filter_id = layer_arguments['filter']
instance = super(ThresholdCreateForm, self).save(commit=False)
instance.filter_id = filter_id
instance.parameter_id = parameter_id
if commit:
instance.save()
return instance
