def check_comment(id, check_author=True):
"""Get a comment, its author and post by id.
Checks that the id exists and optionally that the current user is
the author.
:param id: id of comment to get
:param check_author: require the current user to be the author
:return: the comment with author and post information
:raise 404: if a comment with the given id doesn't exist
:raise 403: if the current user isn't the author
"""
comment = get_comment(get_db(), id)
if comment is None:
abort(404, "Comment id {0} doesn't exist.".format(id))
username = auth.username()
user = get_user_by_username(get_db(), username)
if not user:
abort(403)
if check_author and comment["author_id"] != user["id"]:
abort(403)
return comment
def check_comment(id, check_author=True):
comment = get_comment(get_db(), id)
if comment is None:
abort(404, description=f"Comment id {id} doesn't exist.")
user_id = get_user_by_username(get_db(), auth.username())['id']
if check_author and comment["author_id"] != user_id:
abort(403)
return comment
def create():
"""Create a new post for the current user."""
json = request.get_json()
if json.get('title') and json.get('body'):
title, body = json['title'], json['body']
user_id = get_user_by_username(get_db(), auth.username())['id']
create_post(get_db(), title, body, user_id)
return Response("Success: post was created", 200)
abort(400, description='Error: Title and body is required')
def create(post_id):
"""Create a new comment"""
json = request.get_json()
if json.get('text'):
text = json['text']
user_id = get_user_by_username(get_db(), auth.username())['id']
create_comment(get_db(), post_id, user_id, text)
return Response("Success: comment was created", 200)
abort(400, description='Error: Text and body is required')
def check_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_post(get_db(), id)
if post is None:
abort(404, description=f"Post id {id} doesn't exist.")
user_id = get_user_by_username(get_db(), auth.username())['id']
if check_author and post["author_id"] != user_id:
abort(403)
return post
def post_list():
db = get_db()
error = None
# get all posts
if request.method == "GET":
posts = list(posts_list(db))
if not posts:
error = json.dumps({"error": "No posts available."})
if error:
return Response(
error,
status=404,
mimetype="application/json"
)
data = list()
for post in posts:
post = dict(post)
post['created'] = post['created'].strftime("%d-%b-%Y (%H:%M:%S)")
data.append(post)
data = json.dumps(data)
return Response(
data,
status=200,
mimetype="application/json"
)
# create new post
elif request.method == "POST":
data = request.get_json()
title = data.get('title', '')
body = data.get('body', '')
if not title:
error = json.dumps({"error": "Title is required"})
if error:
return Response(
error,
status=400,
mimetype="application/json"
)
db = get_db()
username = auth.username()
user = get_user_by_username(username)
create_post(db, title, body, user["id"])
data = json.dumps({'title': title,'body': body,
'user_id': user["id"]})
return Response(
data,
status=201,
mimetype="application/json"
)
error = json.dumps({"error": 'Unknown method'})
return Response(
error,
stauts=405,
mimetype="application/json"
)
def comment_list(post_id):
db = get_db()
error = None
# get all comments
if request.method == "GET":
comments = list(comments_list(db))
if not comments:
error = json.dumps({"error": "No comments available."})
if error:
return Response(
error,
status=404,
mimetype="application/json"
)
data = list()
for comment in comments:
comment = dict(comment)
comment['created'] = comment['created'].strftime("%d-%b-%Y (%H:%M:%S)")
data.append(comment)
data = json.dumps(data)
return Response(
data,
status=200,
mimetype="application/json"
)
# create new comment
elif request.method == "POST":
data = request.get_json()
body = data.get('body', '')
if not body:
error = json.dumps({"error": "Body is required"})
if error:
return Response(
error,
status=400,
mimetype="application/json"
)
db = get_db()
username = auth.username()
user = get_user_by_username(username)
create_comment(db, body, user["id"], post_id)
data = json.dumps({'body': body, 'post_id': post_id,
'author_id': user["id"]})
return Response(
data,
status=201,
mimetype="application/json"
)
error = json.dumps({"error": 'Unknown method'})
return Response(
error,
stauts=405,
mimetype="application/json"
)
