def create(request):
if request.method == "POST":
request_data = json.loads(request.body)
required_data = ["name", "short_name", "user"]
try:
choose_required(data=request_data, required=required_data)
name = request_data["name"]
short_name = request_data["short_name"]
user = request_data["user"]
DBconnector.exist(entity="Users", identifier="email", value=user)
forum = DBconnector.select_query('SELECT id, name, short_name, user FROM Forums WHERE short_name = %s',
(short_name, ))
if len(forum) == 0:
DBconnector.update_query('INSERT INTO Forums (name, short_name, user) VALUES (%s, %s, %s)',
(name, short_name, user, ))
forum = DBconnector.select_query('SELECT id, name, short_name, user FROM Forums WHERE short_name = %s',
(short_name, ))
forum = views.forum_format(forum)
except Exception as e:
return HttpResponse(json.dumps({"code": 1, "response": (e.message)}), content_type='application/json')
return HttpResponse(json.dumps({"code": 0, "response": forum}), content_type='application/json')
else:
return HttpResponse(status=405)
def subscribe(request):
if request.method == "POST":
request_data = json.loads(request.body)
required_data = ["thread", "user"]
try:
choose_required(data=request_data, required=required_data)
email=request_data["user"]
thread_id=request_data["thread"]
DBconnector.exist(entity="Threads", identifier="id", value=thread_id)
DBconnector.exist(entity="Users", identifier="email", value=email)
subscription = DBconnector.select_query('SELECT thread, user FROM Subscriptions WHERE user = %s AND thread = %s',
(email, thread_id, ))
if len(subscription) == 0:
DBconnector.update_query('INSERT INTO Subscriptions (thread, user) VALUES (%s, %s)',
(thread_id, email, ))
subscription = DBconnector.select_query('SELECT thread, user FROM Subscriptions WHERE user = %s AND thread = %s',
(email, thread_id, ))
subscription = {
"thread": subscription[0][0],
"user": subscription[0][1]
}
except Exception as e:
return HttpResponse(json.dumps({"code": 1, "response": (e.message)}), content_type='application/json')
return HttpResponse(json.dumps({"code": 0, "response": subscription}), content_type='application/json')
else:
return HttpResponse(status=405)
def create(request):
if request.method == "POST":
request_data = json.loads(request.body)
required_data = [
"forum", "title", "isClosed", "user", "date", "message", "slug"
]
optional = intersection(request=request_data, values=["isDeleted"])
try:
choose_required(data=request_data, required=required_data)
forum = request_data["forum"]
title = request_data["title"]
isClosed = request_data["isClosed"]
user = request_data["user"]
date = request_data["date"]
message = request_data["message"]
slug = request_data["slug"]
DBconnector.exist(entity="Users", identifier="email", value=user)
DBconnector.exist(entity="Forums",
identifier="short_name",
value=forum)
isDeleted = 0
if "isDeleted" in optional:
isDeleted = optional["isDeleted"]
thread = DBconnector.select_query(
'SELECT date, forum, id, isClosed, isDeleted, message, slug, title, user, dislikes, likes, points, posts ' \
'FROM Threads WHERE slug = %s', (slug, ))
if len(thread) == 0:
DBconnector.update_query('INSERT INTO Threads (forum, title, isClosed, user, date, message, slug, isDeleted) ' \
'VALUES (%s, %s, %s, %s, %s, %s, %s, %s)',
(forum, title, isClosed, user, date, message, slug, isDeleted, ))
thread = DBconnector.select_query('SELECT date, forum, id, isClosed, isDeleted, message, slug, title, user, dislikes, likes, points, posts ' \
'FROM Threads WHERE slug = %s', (slug, ))
response = views.thread_format(thread)
del response["dislikes"]
del response["likes"]
del response["points"]
del response["posts"]
except Exception as e:
return HttpResponse(json.dumps({
"code": 1,
"response": (e.message)
}),
content_type='application/json')
return HttpResponse(json.dumps({
"code": 0,
"response": response
}),
content_type='application/json')
else:
return HttpResponse(status=405)
def subscribe(request):
if request.method == "POST":
request_data = json.loads(request.body)
required_data = ["thread", "user"]
try:
choose_required(data=request_data, required=required_data)
email = request_data["user"]
thread_id = request_data["thread"]
DBconnector.exist(entity="Threads",
identifier="id",
value=thread_id)
DBconnector.exist(entity="Users", identifier="email", value=email)
subscription = DBconnector.select_query(
'SELECT thread, user FROM Subscriptions WHERE user = %s AND thread = %s',
(
email,
thread_id,
))
if len(subscription) == 0:
DBconnector.update_query(
'INSERT INTO Subscriptions (thread, user) VALUES (%s, %s)',
(
thread_id,
email,
))
subscription = DBconnector.select_query(
'SELECT thread, user FROM Subscriptions WHERE user = %s AND thread = %s',
(
email,
thread_id,
))
subscription = {
"thread": subscription[0][0],
"user": subscription[0][1]
}
except Exception as e:
return HttpResponse(json.dumps({
"code": 1,
"response": (e.message)
}),
content_type='application/json')
return HttpResponse(json.dumps({
"code": 0,
"response": subscription
}),
content_type='application/json')
else:
return HttpResponse(status=405)
def posts_list(entity, params, identifier, related=[]):
if entity == "forum":
DBconnector.exist(entity="Forums", identifier="short_name", value=identifier)
if entity == "thread":
DBconnector.exist(entity="Threads", identifier="id", value=identifier)
if entity == "user":
DBconnector.exist(entity="Users", identifier="email", value=identifier)
query = "SELECT id FROM Posts WHERE " + entity + " = %s "
parameters = [identifier]
if "since" in params:
query += " AND date >= %s"
parameters.append(params["since"])
if "order" in params:
query += " ORDER BY date " + params["order"]
else:
query += " ORDER BY date DESC "
if "limit" in params:
query += " LIMIT " + str(params["limit"])
post_tuple = DBconnector.select_query(query=query, params=parameters)
post_list = []
for id in post_tuple:
id = id[0]
post_list.append(detail_post(details_id=id, related=related))
return post_list
def posts_list(entity, params, identifier, related=[]):
if entity == "forum":
DBconnector.exist(entity="Forums",
identifier="short_name",
value=identifier)
if entity == "thread":
DBconnector.exist(entity="Threads", identifier="id", value=identifier)
if entity == "user":
DBconnector.exist(entity="Users", identifier="email", value=identifier)
query = "SELECT id FROM Posts WHERE " + entity + " = %s "
parameters = [identifier]
if "since" in params:
query += " AND date >= %s"
parameters.append(params["since"])
if "order" in params:
query += " ORDER BY date " + params["order"]
else:
query += " ORDER BY date DESC "
if "limit" in params:
query += " LIMIT " + str(params["limit"])
post_tuple = DBconnector.select_query(query=query, params=parameters)
post_list = []
for id in post_tuple:
id = id[0]
post_list.append(detail_post(details_id=id, related=related))
return post_list
def details(request):
if request.method == "GET":
request_data = request.GET.dict()
required_data = ["user"]
try:
choose_required(data=request_data, required=required_data)
email = request_data["user"]
user = DBconnector.select_query(
'SELECT email, about, isAnonymous, id, name, username FROM Users WHERE email = %s',
(email, ))
user = views.user_format(user)
if user is None:
raise Exception("No user with email " + email)
user["followers"] = views.l_followers(email)
user["following"] = views.l_following(email)
user["subscriptions"] = views.l_subscriptions(email)
except Exception as e:
return HttpResponse(json.dumps({
"code": 1,
"response": (e.message)
}),
content_type='application/json')
return HttpResponse(json.dumps({
"code": 0,
"response": user
}),
content_type='application/json')
else:
return HttpResponse(status=405)
def create(request):
if request.method == "POST":
request_data = json.loads(request.body)
required_data = ["forum", "title", "isClosed", "user", "date", "message", "slug"]
optional = intersection(request=request_data, values=["isDeleted"])
try:
choose_required(data=request_data, required=required_data)
forum = request_data["forum"]
title = request_data["title"]
isClosed = request_data["isClosed"]
user = request_data["user"]
date = request_data["date"]
message = request_data["message"]
slug = request_data["slug"]
DBconnector.exist(entity="Users", identifier="email", value=user)
DBconnector.exist(entity="Forums", identifier="short_name", value=forum)
isDeleted = 0
if "isDeleted" in optional:
isDeleted = optional["isDeleted"]
thread = DBconnector.select_query(
'SELECT date, forum, id, isClosed, isDeleted, message, slug, title, user, dislikes, likes, points, posts ' \
'FROM Threads WHERE slug = %s', (slug, ))
if len(thread) == 0:
DBconnector.update_query('INSERT INTO Threads (forum, title, isClosed, user, date, message, slug, isDeleted) ' \
'VALUES (%s, %s, %s, %s, %s, %s, %s, %s)',
(forum, title, isClosed, user, date, message, slug, isDeleted, ))
thread = DBconnector.select_query('SELECT date, forum, id, isClosed, isDeleted, message, slug, title, user, dislikes, likes, points, posts ' \
'FROM Threads WHERE slug = %s', (slug, ))
response = views.thread_format(thread)
del response["dislikes"]
del response["likes"]
del response["points"]
del response["posts"]
except Exception as e:
return HttpResponse(json.dumps({"code": 1, "response": (e.message)}), content_type='application/json')
return HttpResponse(json.dumps({"code": 0, "response": response}), content_type='application/json')
else:
return HttpResponse(status=405)
def l_following(email):
following_tuple = DBconnector.select_query(
"SELECT followee FROM Followers JOIN Users ON Users.email = Followers.followee WHERE follower = %s ", (email, ))
following = []
for el in following_tuple:
following.append(el[0])
return following
def l_subscriptions(email):
subscriptions_tuple = DBconnector.select_query("SELECT thread FROM Subscriptions WHERE user = %s", (email, ))
subscriptions = []
for el in subscriptions_tuple:
subscriptions.append(el[0])
return subscriptions
def l_following(email):
following_tuple = DBconnector.select_query(
"SELECT followee FROM Followers JOIN Users ON Users.email = Followers.followee WHERE follower = %s ",
(email, ))
following = []
for el in following_tuple:
following.append(el[0])
return following
def detail_user(email):
user = DBconnector.select_query('select email, about, isAnonymous, id, name, username FROM Users WHERE email = %s',
(email, ))
user = user_format(user)
if user is None:
raise Exception("No user with email " + email)
user["followers"] = l_followers(email)
user["following"] = l_following(email)
user["subscriptions"] = l_subscriptions(email)
return user
def l_subscriptions(email):
subscriptions_tuple = DBconnector.select_query(
"SELECT thread FROM Subscriptions WHERE user = %s", (email, ))
subscriptions = []
for el in subscriptions_tuple:
subscriptions.append(el[0])
return subscriptions
def create(request):
if request.method == "POST":
request_data = json.loads(request.body)
required_data = ["name", "short_name", "user"]
try:
choose_required(data=request_data, required=required_data)
name = request_data["name"]
short_name = request_data["short_name"]
user = request_data["user"]
DBconnector.exist(entity="Users", identifier="email", value=user)
forum = DBconnector.select_query(
'SELECT id, name, short_name, user FROM Forums WHERE short_name = %s',
(short_name, ))
if len(forum) == 0:
DBconnector.update_query(
'INSERT INTO Forums (name, short_name, user) VALUES (%s, %s, %s)',
(
name,
short_name,
user,
))
forum = DBconnector.select_query(
'SELECT id, name, short_name, user FROM Forums WHERE short_name = %s',
(short_name, ))
forum = views.forum_format(forum)
except Exception as e:
return HttpResponse(json.dumps({
"code": 1,
"response": (e.message)
}),
content_type='application/json')
return HttpResponse(json.dumps({
"code": 0,
"response": forum
}),
content_type='application/json')
else:
return HttpResponse(status=405)
def detail_user(email):
user = DBconnector.select_query(
'select email, about, isAnonymous, id, name, username FROM Users WHERE email = %s',
(email, ))
user = user_format(user)
if user is None:
raise Exception("No user with email " + email)
user["followers"] = l_followers(email)
user["following"] = l_following(email)
user["subscriptions"] = l_subscriptions(email)
return user
def detail_forum(short_name, related):
forum = DBconnector.select_query(
'SELECT id, name, short_name, user FROM Forums WHERE short_name = %s', (short_name, )
)
if len(forum) == 0:
raise ("No forum with exists short_name=" + short_name)
forum = forum_format(forum)
if "user" in related:
forum["user"] = detail_user(forum["user"])
return forum
def detail_forum(short_name, related):
forum = DBconnector.select_query(
'SELECT id, name, short_name, user FROM Forums WHERE short_name = %s',
(short_name, ))
if len(forum) == 0:
raise ("No forum with exists short_name=" + short_name)
forum = forum_format(forum)
if "user" in related:
forum["user"] = detail_user(forum["user"])
return forum
def detail_thread(id, related):
thread = DBconnector.select_query(
'SELECT date, forum, id, isClosed, isDeleted, message, slug, title, user, dislikes, likes, points, posts '
'FROM Threads WHERE id = %s', (id, ))
if len(thread) == 0:
raise Exception('No thread exists with id=' + str(id))
thread = thread_format(thread)
if "user" in related:
thread["user"] = detail_user(thread["user"])
if "forum" in related:
thread["forum"] = detail_forum(short_name=thread["forum"], related=[])
return thread
def detail_post(details_id, related):
post = DBconnector.select_query("SELECT date, dislikes, forum, id, isApproved, isDeleted, isEdited, "
"isHighlighted, isSpam, likes, message, parent, points, thread, user "
"FROM Posts WHERE id = %s", (details_id, ))
if len(post) == 0:
raise Exception("no post with id = " + details_id)
post = post_format(post)
if "user" in related:
post["user"] = detail_user(post["user"])
if "forum" in related:
post["forum"] = detail_forum(short_name=post["forum"], related=[])
if "thread" in related:
post["thread"] = detail_thread(id=post["thread"], related=[])
return post
def detail_thread(id, related):
thread = DBconnector.select_query(
'SELECT date, forum, id, isClosed, isDeleted, message, slug, title, user, dislikes, likes, points, posts '
'FROM Threads WHERE id = %s', (id, )
)
if len(thread) == 0:
raise Exception('No thread exists with id=' + str(id))
thread = thread_format(thread)
if "user" in related:
thread["user"] = detail_user(thread["user"])
if "forum" in related:
thread["forum"] = detail_forum(short_name=thread["forum"], related=[])
return thread
def follow(request):
if request.method == "POST":
request_data = json.loads(request.body)
required_data = ["follower", "followee"]
try:
choose_required(data=request_data, required=required_data)
DBconnector.exist(entity="Users",
identifier="email",
value=request_data["follower"])
DBconnector.exist(entity="Users",
identifier="email",
value=request_data["followee"])
if request_data["follower"] == request_data["followee"]:
raise Exception("User with email=" + request_data["follower"] +
" can't follow himself")
follows = DBconnector.select_query(
'SELECT id FROM Followers WHERE follower = %s AND followee = %s',
(
request_data["follower"],
request_data["followee"],
))
if len(follows) == 0:
DBconnector.update_query(
'INSERT INTO Followers (follower, followee) VALUES (%s, %s)',
(
request_data["follower"],
request_data["followee"],
))
following = views.detail_user(request_data["follower"])
except Exception as e:
return HttpResponse(json.dumps({
"code": 1,
"response": (e.message)
}),
content_type='application/json')
return HttpResponse(json.dumps({
"code": 0,
"response": following
}),
content_type='application/json')
else:
return HttpResponse(status=405)
def detail_post(details_id, related):
post = DBconnector.select_query(
"SELECT date, dislikes, forum, id, isApproved, isDeleted, isEdited, "
"isHighlighted, isSpam, likes, message, parent, points, thread, user "
"FROM Posts WHERE id = %s", (details_id, ))
if len(post) == 0:
raise Exception("no post with id = " + details_id)
post = post_format(post)
if "user" in related:
post["user"] = detail_user(post["user"])
if "forum" in related:
post["forum"] = detail_forum(short_name=post["forum"], related=[])
if "thread" in related:
post["thread"] = detail_thread(id=post["thread"], related=[])
return post
def unfollow(request):
if request.method == "POST":
request_data = json.loads(request.body)
required_data = ["follower", "followee"]
try:
choose_required(data=request_data, required=required_data)
DBconnector.exist(entity="Users",
identifier="email",
value=request_data["follower"])
DBconnector.exist(entity="Users",
identifier="email",
value=request_data["followee"])
query = DBconnector.select_query(
'SELECT id FROM Followers WHERE follower = %s AND followee = %s',
(
request_data["follower"],
request_data["followee"],
))
if len(query) != 0:
DBconnector.update_query(
'DELETE FROM Followers WHERE follower = %s AND followee = %s',
(
request_data["follower"],
request_data["followee"],
))
else:
raise Exception("No such following")
following = views.detail_user(request_data["follower"])
except Exception as e:
return HttpResponse(json.dumps({
"code": 1,
"response": (e.message)
}),
content_type='application/json')
return HttpResponse(json.dumps({
"code": 0,
"response": following
}),
content_type='application/json')
else:
return HttpResponse(status=405)
def l_users(short_name, optional):
DBconnector.exist(entity="Forums", identifier="short_name", value=short_name)
query = "SELECT distinct email FROM Users JOIN Posts ON Posts.user = Users.email " \
" JOIN Forums on Forums.short_name = Posts.forum WHERE Posts.forum = %s "
if "since_id" in optional:
query += " AND Users.id >= " + str(optional["since_id"])
if "order" in optional:
query += " ORDER BY Users.id " + optional["order"]
if "limit" in optional:
query += " LIMIT " + str(optional["limit"])
users_tuple = DBconnector.select_query(query, (short_name, ))
users_list = []
for user in users_tuple:
user = user[0]
users_list.append(detail_user(user))
return users_list
def l_users(short_name, optional):
DBconnector.exist(entity="Forums",
identifier="short_name",
value=short_name)
query = "SELECT distinct email FROM Users JOIN Posts ON Posts.user = Users.email " \
" JOIN Forums on Forums.short_name = Posts.forum WHERE Posts.forum = %s "
if "since_id" in optional:
query += " AND Users.id >= " + str(optional["since_id"])
if "order" in optional:
query += " ORDER BY Users.id " + optional["order"]
if "limit" in optional:
query += " LIMIT " + str(optional["limit"])
users_tuple = DBconnector.select_query(query, (short_name, ))
users_list = []
for user in users_tuple:
user = user[0]
users_list.append(detail_user(user))
return users_list
def create_user(request):
if request.method == "POST":
request_data = json.loads(request.body)
required_data = ["email", "username", "name", "about"]
optional = intersection(request=request_data, values=["isAnonymous"])
try:
choose_required(data=request_data, required=required_data)
isAnonymous = 0
if "isAnonymous" in optional:
isAnonymous = optional["isAnonymous"]
DBconnector.update_query(
"INSERT INTO Users (email, about, name, username, isAnonymous) VALUES (%s, %s, %s, %s, %s)",
(
request_data["email"],
request_data["about"],
request_data["name"],
request_data["username"],
isAnonymous,
))
user = DBconnector.select_query(
'SELECT email, about, isAnonymous, id, name, username FROM Users WHERE email = %s',
(request_data["email"], ))
except Exception as e:
return HttpResponse(json.dumps({
"code": 1,
"response": (e.message)
}),
content_type='application/json')
return HttpResponse(json.dumps({
"code": 0,
"response": views.user_format(user)
}),
content_type='application/json')
else:
return HttpResponse(status=405)
def list_following(request):
if request.method == "GET":
request_data = request.GET.dict()
required_data = ["user"]
follow_param = intersection(request=request_data,
values=["limit", "order", "since_id"])
try:
choose_required(data=request_data, required=required_data)
query = "SELECT followee FROM Followers JOIN Users ON Users.email = Followers.followee WHERE follower = %s "
if "since_id" in follow_param:
query += " AND Users.id >= " + str(follow_param["since_id"])
if "order" in follow_param:
query += " ORDER BY Users.name " + follow_param["order"]
else:
query += " ORDER BY Users.name DESC "
if "limit" in follow_param:
query += " LIMIT " + str(follow_param["limit"])
following_tuple = DBconnector.select_query(
query=query, params=(request_data["user"], ))
following_list = []
for id in following_tuple:
id = id[0]
following_list.append(views.detail_user(email=id))
except Exception as e:
return HttpResponse(json.dumps({
"code": 1,
"response": (e.message)
}),
content_type='application/json')
return HttpResponse(json.dumps({
"code": 0,
"response": following_list
}),
content_type='application/json')
else:
return HttpResponse(status=405)
def create(request):
if request.method == "POST":
request_data = json.loads(request.body)
required_data = ["user", "forum", "thread", "message", "date"]
optional_data = ["parent", "isApproved", "isHighlighted", "isEdited", "isSpam", "isDeleted"]
optional = intersection(request=request_data, values=optional_data)
try:
choose_required(data=request_data, required=required_data)
date = request_data["date"]
thread = request_data["thread"]
message = request_data["message"]
user = request_data["user"]
forum = request_data["forum"]
DBconnector.exist(entity="Threads", identifier="id", value=thread)
DBconnector.exist(entity="Forums", identifier="short_name", value=forum)
DBconnector.exist(entity="Users", identifier="email", value=user)
isTread = DBconnector.select_query(
"SELECT Threads.id FROM Threads JOIN Forums ON Threads.forum = Forums.short_name " \
"WHERE Threads.forum = %s AND Threads.id = %s", (forum, thread, ))
if len(isTread) == 0:
raise Exception("no thread with id = " + str(thread) + " in forum " + forum)
if "parent" in optional:
isPost = DBconnector.select_query("SELECT Posts.id FROM Posts JOIN Threads ON Threads.id = Posts.thread "
"WHERE Posts.id = %s AND Threads.id = %s", (optional["parent"], thread, ))
if len(isPost) == 0:
raise Exception("No post with id = " + optional["parent"])
update_thread_posts = "UPDATE Threads SET posts = posts + 1 WHERE id = %s"
query = "INSERT INTO Posts (message, user, forum, thread, date"
values = "(%s, %s, %s, %s, %s"
parameters = [message, user, forum, thread, date]
for param in optional:
query += ", " + param
values += ", %s"
parameters.append(optional[param])
query += ") VALUES " + values + ")"
DBconnector.update_query(update_thread_posts, (thread, ))
post_id = DBconnector.update_query(query, parameters)
post = DBconnector.select_query("SELECT date, dislikes, forum, id, isApproved, isDeleted, isEdited, " \
"isHighlighted, isSpam, likes, message, parent, points, thread, user " \
"FROM Posts WHERE id = %s", (post_id, ))
post = views.post_format(post)
del post["dislikes"]
del post["likes"]
del post["parent"]
del post["points"]
except Exception as e:
return HttpResponse(json.dumps({"code": 1, "response": (e.message)}), content_type='application/json')
return HttpResponse(json.dumps({"code": 0, "response": post}), content_type='application/json')
else:
return HttpResponse(status=405)