def get_changelogs_by_date()

in experimenter/experimenter/experiments/models.py [0:0]

• 56 lines of code
• 11 McCabe index (conditional complexity)

    def get_changelogs_by_date(self):
        # Inline import to prevent circular import
        from experimenter.experiments.changelog_utils import get_formatted_change_object

        changes_by_date = defaultdict(list)
        date_option = "%I:%M %p %Z"
        date_option = "%I:%M %p %Z"
        changelogs = list(
            self.changes.order_by("-changed_on").prefetch_related("changed_by")
        )

        for index, changelog in enumerate(changelogs[:-1]):
            current_data = changelog.experiment_data
            previous_data = changelogs[index + 1].experiment_data
            local_timestamp = timezone.localtime(changelog.changed_on)
            timestamp = local_timestamp.strftime(date_option)
            local_timestamp = timezone.localtime(changelog.changed_on)
            timestamp = local_timestamp.strftime(date_option)

            diff_fields = {
                field: {
                    "old_value": previous_data.get(field),
                    "new_value": current_data.get(field),
                }
                for field in current_data
                if (
                    field != "_updated_date_time"
                    and field != "published_dto"
                    and field != "status_next"
                    and current_data[field] != previous_data.get(field)
                )
            }

            for field, field_diff in diff_fields.items():
                change = get_formatted_change_object(
                    field, field_diff, changelog, timestamp
                )

                changes_by_date[changelog.changed_on.date()].append(change)

        if changelogs:
            creation_log = changelogs[-1]
            first_local_timestamp = timezone.localtime(creation_log.changed_on)
            first_timestamp = first_local_timestamp.strftime(date_option)
            if self.parent:
                message = (
                    f"{creation_log.changed_by} "
                    f"cloned this experiment from {self.parent.name}"
                )
            else:
                message = f"{creation_log.changed_by} created this experiment"
            change = {
                "event": ChangeEventType.CREATION.name,
                "event_message": message,
                "changed_by": creation_log.changed_by,
                "timestamp": first_timestamp,
            }
            changes_by_date[creation_log.changed_on.date()].append(change)

        transformed_changelogs = [
            {"date": date, "changes": changes}
            for date, changes in changes_by_date.items()
        ]

        return transformed_changelogs