class ChangeLogMixin(object):
def __init__(self, request, *args, **kwargs):
self.request = request
super().__init__(*args, **kwargs)
if self.instance.id:
self.old_serialized_vals = ChangeLogSerializer(self.instance).data
def get_changelog_message(self):
return ""
def save(self, *args, **kwargs):
experiment = super().save(*args, **kwargs)
old_values = {}
new_values = {}
old_status = None
self.new_serialized_vals = ChangeLogSerializer(self.instance).data
latest_change = experiment.changes.latest()
# account for changes in variant values
if latest_change:
old_status = latest_change.new_status
if (self.old_serialized_vals["variants"] !=
self.new_serialized_vals["variants"]):
old_values["variants"] = self.old_serialized_vals["variants"]
new_values["variants"] = self.new_serialized_vals["variants"]
elif self.new_serialized_vals.get("variants"):
old_values["variants"] = None
new_values["variants"] = self.new_serialized_vals["variants"]
if self.changed_data:
if latest_change:
old_status = latest_change.new_status
for field in self.changed_data:
if field in self.old_serialized_vals:
old_values[field] = self.old_serialized_vals[field]
else:
prev_values = {field: None for field in self.changed_data}
old_values.update(prev_values)
for field in self.changed_data:
if field in self.new_serialized_vals:
new_values[field] = self.new_serialized_vals[field]
ExperimentChangeLog.objects.create(
experiment=experiment,
changed_by=self.request.user,
old_status=old_status,
new_status=experiment.status,
old_values=old_values,
new_values=new_values,
message=self.get_changelog_message(),
)
return experiment
class ChangeLogMixin(object):
def __init__(self, request, *args, **kwargs):
self.request = request
super().__init__(*args, **kwargs)
if self.instance.id:
self.old_serialized_vals = ChangeLogSerializer(self.instance).data
def get_changelog_message(self):
return ""
def save(self, *args, **kwargs):
experiment = super().save(*args, **kwargs)
changed_values = {}
old_status = None
self.new_serialized_vals = ChangeLogSerializer(self.instance).data
latest_change = experiment.changes.latest()
# account for changes in variant values
if latest_change:
old_status = latest_change.new_status
if (self.old_serialized_vals["variants"] !=
self.new_serialized_vals["variants"]):
old_value = self.old_serialized_vals["variants"]
new_value = self.new_serialized_vals["variants"]
display_name = "Branches"
changed_values["variants"] = {
"old_value": old_value,
"new_value": new_value,
"display_name": display_name,
}
elif self.new_serialized_vals.get("variants"):
old_value = None
new_value = self.new_serialized_vals["variants"]
display_name = "Branches"
changed_values["variants"] = {
"old_value": old_value,
"new_value": new_value,
"display_name": display_name,
}
if self.changed_data:
if latest_change:
old_status = latest_change.new_status
for field in self.changed_data:
old_val = None
new_val = None
if field in self.old_serialized_vals:
if field in ("countries", "locales"):
old_field_values = self.old_serialized_vals[field]
codes = [obj["code"] for obj in old_field_values]
old_val = codes
else:
old_val = self.old_serialized_vals[field]
if field in self.new_serialized_vals:
if field in ("countries", "locales"):
new_field_values = self.new_serialized_vals[field]
codes = [obj["code"] for obj in new_field_values]
new_val = codes
else:
new_val = self.new_serialized_vals[field]
display_name = self._get_display_name(field)
if new_val or old_val:
changed_values[field] = {
"old_value": old_val,
"new_value": new_val,
"display_name": display_name,
}
else:
for field in self.changed_data:
old_val = None
new_val = None
if field in self.new_serialized_vals:
if field in ("countries", "locales"):
new_field_values = self.new_serialized_vals[field]
codes = [obj["code"] for obj in new_field_values]
new_val = codes
else:
new_val = self.new_serialized_vals[field]
display_name = self._get_display_name(field)
changed_values[field] = {
"old_value": old_val,
"new_value": new_val,
"display_name": display_name,
}
ExperimentChangeLog.objects.create(
experiment=experiment,
changed_by=self.request.user,
old_status=old_status,
new_status=experiment.status,
changed_values=changed_values,
message=self.get_changelog_message(),
)
return experiment
def _get_display_name(self, field):
if self.fields[field].label:
return self.fields[field].label
return field.replace("_", " ").title()