Source code for services.posts.tags

from apps.posts.models import Tag




class TagService:


    @staticmethod
    def get_or_create_tags(tag_names: list) -> list:
        # Retrieve existing tags by name
        existing_tags = Tag.objects.filter(name__in=tag_names)
        existing_tag_names = existing_tags.values_list("name", flat=True)

        # Determine which tags you need to create
        new_tag_names = set(tag_names) - set(existing_tag_names)

        # Create new tags
        new_tags = Tag.objects.bulk_create([Tag(name=name) for name in new_tag_names])

        return list(existing_tags) + new_tags