def _get_posts_by_tag(cls, identifier):
if not identifier:
return []
if not is_numeric(identifier):
tag = Tag.get_by_name(identifier)
if not tag:
return
identifier = tag.id
at_ids = cls.query.with_entities(
cls.post_id).filter(cls.tag_id == identifier).all()
query = Post.query.filter(Post.id.in_(id for id, in at_ids)).order_by(
Post.id.desc())
return query
def get(cls, identifier):
if is_numeric(identifier):
return cls.cache.get(identifier) # get post via title
return cls.cache.filter(title=identifier).first()
def get(cls, identifier):
post = cls.objects.filter(title=identifier).first()
if post:
return post
if is_numeric(identifier):
return cls.objects.get(pk=identifier)
def get(cls, identifier):
return super().get(identifier) if is_numeric(identifier) \
else cls.get_by_title(identifier)