in flaskr/blog.py [0:0]
def get_post(id, check_author=True):
"""Get a post and its author by id.
Checks that the id exists and optionally that the current user is
the author.
:param id: id of post to get
:param check_author: require the current user to be the author
:return: the post with author information
:raise 404: if a post with the given id doesn't exist
:raise 403: if the current user isn't the author
"""
post = (
get_db()
.execute(
"SELECT p.id, title, body, created, author_id, username"
" FROM post p JOIN user u ON p.author_id = u.id"
" WHERE p.id = ?",
(id,),
)
.fetchone()
)
if post is None:
abort(404, f"Post id {id} doesn't exist.")
if check_author and post["author_id"] != g.user["id"]:
abort(403)
return post