def create(date, thread, message, user, forum, optional):
DBconnect.exist(entity="thread", identifier="id", value=thread)
DBconnect.exist(entity="forum", identifier="short_name", value=forum)
DBconnect.exist(entity="user", identifier="email", value=user)
print (date, thread, message, user, forum, optional)
if len(DBconnect.select_query("SELECT thread.id as id FROM thread JOIN forum ON thread.forum = forum.short_name "
"WHERE thread.forum = %s AND thread.id = %s", (forum, thread, ))) == 0:
raise Exception("no thread with id = " + str(thread) + " in forum " + forum)
if (("parent" in optional) and (optional["parent"] != None)):
parent = DBconnect.select_query("SELECT post.id, post.path FROM post JOIN thread ON thread.id = post.thread "
"WHERE post.id = %s AND thread.id = %s", (optional["parent"], thread, ))
if len(parent) == 0:
raise Exception("No post with id = " + str(optional["parent"]))
path = parent[0][1]
else:
path = str(thread)
try:
query = "INSERT INTO post (message, user, forum, thread, date"
values = "(%s, %s, %s, %s, %s"
parameters = [message, user, forum, thread, date]
#optional_data = ["parent", "isApproved", "isHighlighted", "isEdited", "isSpam", "isDeleted"]
for param in optional:
query += ", " + param
values += ", %s"
parameters.append(optional[param])
except Exception as e:
print e.message
query += ") VALUES " + values + ")"
update_thread_posts = "UPDATE thread SET posts = posts + 1 WHERE id = %s"
update_path = "UPDATE post SET path = CONCAT_WS('.', '" + path + "', %s) WHERE id = %s"
con = DBConnection()
con = con.connect()
con.autocommit(False)
with con:
cursor = con.cursor()
# try:
con.begin()
cursor.execute(update_thread_posts, (thread, ))
cursor.execute(query, parameters)
con.commit()
# except Exception as e:
# con.rollback()
# raise Exception("Database error: " + e.message)
post_id = cursor.lastrowid
cursor.execute(update_path, (post_id, post_id, ))
cursor.close()
con.close()
post = post_query(post_id)
del post["dislikes"]
del post["likes"]
del post["parent"]
del post["points"]
return post
def save_forum(name, short_name, user):
DBconnect.exist(entity="user", identifier="email", value=user)
forum = DBconnect.select_query(
'select id, name, short_name, user FROM forum WHERE short_name = %s', (short_name, )
)
if len(forum) == 0:
DBconnect.update_query('INSERT INTO forum (name, short_name, user) VALUES (%s, %s, %s)',
(name, short_name, user, ))
forum = DBconnect.select_query(
'select id, name, short_name, user FROM forum WHERE short_name = %s', (short_name, )
)
return forum_description(forum)
def details(email):
user = DBconnect.select_query('select email, about, isAnonymous, id, name, username FROM user USE KEY (email) WHERE email = %s', (email, ))
user = user_format(user)
if user is None:
raise Exception("No user with email " + email)
f_list = DBconnect.select_query(
"SELECT follower FROM follower WHERE followee = %s ", (email, )
)
user["followers"] = tuple2list(f_list)
f_list = DBconnect.select_query(
"SELECT followee FROM follower WHERE follower = %s ", (email, )
)
user["following"] = tuple2list(f_list)
user["subscriptions"] = user_subscriptions(email)
return user
def details_in(in_str):
query = "SELECT date, forum, id, isClosed, isDeleted, message, slug, title, user, dislikes, likes, points, posts FROM thread" \
" WHERE id IN (%s);"
print(query % (in_str, ))
threads = DBconnect.select_query(query, (in_str, ))
print(in_str)
print(threads)
thread_list = {}
for thread in threads:
thread = {
'date': str(thread[0]),
'forum': thread[1],
'id': thread[2],
'isClosed': bool(thread[3]),
'isDeleted': bool(thread[4]),
'message': thread[5],
'slug': thread[6],
'title': thread[7],
'user': thread[8],
'dislikes': thread[9],
'likes': thread[10],
'points': thread[11],
'posts': thread[12],
}
thread_list[int(thread['id'])] = thread
return thread_list
def details(id, related):
thread = DBconnect.select_query(
'''select date, forum, id, isClosed, isDeleted, message, slug, title, user, dislikes, likes, points, IFNULL(posts.posts, 0) FROM thread LEFT JOIN (SELECT thread, COUNT(*) as posts
FROM post
WHERE post.isDeleted = FALSE
GROUP BY thread) posts ON posts.thread = thread.id
WHERE id = %s''', (id, )
)
if len(thread) == 0:
raise Exception('No thread exists with id=' + str(id))
thread = thread[0]
thread = {
'date': str(thread[0]),
'forum': thread[1],
'id': thread[2],
'isClosed': bool(thread[3]),
'isDeleted': bool(thread[4]),
'message': thread[5],
'slug': thread[6],
'title': thread[7],
'user': thread[8],
'dislikes': thread[9],
'likes': thread[10],
'points': thread[11],
'posts': thread[12],
}
if "user" in related:
thread["user"] = users.details(thread["user"])
if "forum" in related:
thread["forum"] = forums.details(short_name=thread["forum"], related=[])
return thread
def list_users(short_name, optional):
# DBconnect.exist(entity="forum", identifier="short_name", value=short_name)
query = "SELECT user.id, user.email, user.name, user.username, user.isAnonymous, user.about FROM user USE KEY (name_email) " \
"WHERE user.email IN (SELECT DISTINCT user FROM post USE KEY (forum_user) WHERE forum = %s)"
if "since_id" in optional:
query += " AND user.id >= " + str(optional["since_id"])
if "order" in optional:
query += " ORDER BY user.name " + optional["order"]
# else:
# query += " ORDER BY user.name DESC"
if "limit" in optional:
query += " LIMIT " + str(optional["limit"])
users_tuple = DBconnect.select_query(query, (short_name, ))
list_u = []
for user_sql in users_tuple:
email = user_sql[1]
list_u.append({
'id': user_sql[0],
'email': email,
'name': user_sql[2],
'username': user_sql[3],
'isAnonymous': user_sql[4],
'about': user_sql[5],
'subscriptions': users.user_subscriptions(email),
'followers': users.followers(email, "follower"),
'following': users.followers(email, "followee")
})
return list_u
def dec_posts_count(connect,post):
thread = DBconnect.select_query(connect,"SELECT thread FROM post WHERE id = %s", (post, ))
try:
DBconnect.update_query(connect,"UPDATE thread SET posts = posts - 1 WHERE id = %s", (thread[0][0], ))
except Exception as e:
print(e.message)
return
def post_query(connect,id):
post = DBconnect.select_query(connect,'select date, dislikes, forum, id, isApproved, isDeleted, isEdited, '
'isHighlighted, isSpam, likes, message, parent, points, thread, user '
'FROM post WHERE id = %s LIMIT 1;', (id, ))
if len(post) == 0:
return None
return post_formated(post)
def followers_list(email, type, params):
DBconnect.exist(entity="user", identifier="email", value=email)
if type == "follower":
where = "followee"
if type == "followee":
where = "follower"
query = "SELECT " + type + " FROM follower JOIN user ON user.email = follower." + type + \
" WHERE " + where + " = %s "
if "since_id" in params:
query += " AND user.id >= " + str(params["since_id"])
if "order" in params:
query += " ORDER BY user.name " + params["order"]
else:
query += " ORDER BY user.name DESC "
if "limit" in params:
query += " LIMIT " + str(params["limit"])
followers_ids_tuple = DBconnect.select_query(query=query, params=(email, ))
f_list = []
for id in followers_ids_tuple:
id = id[0]
f_list.append(users.details(email=id))
return f_list
def save_forum(connect,name, short_name, user):
DBconnect.update_query(connect,'INSERT INTO forum (name, short_name, user) VALUES (%s, %s, %s)',
(name, short_name, user, ))
forum = DBconnect.select_query(connect,
'select id, name, short_name, user FROM forum WHERE short_name = %s', (short_name, )
)
return forum_description(forum)
def details(connect,id, related):
thread = DBconnect.select_query(connect,
'select date, forum, id, isClosed, isDeleted, message, slug, title, user, dislikes, likes, points, posts '
'FROM thread WHERE id = %s LIMIT 1;', (id, )
)
if len(thread) == 0:
raise Exception('No thread exists with id=' + str(id))
thread = thread[0]
thread = {
'date': str(thread[0]),
'forum': thread[1],
'id': thread[2],
'isClosed': bool(thread[3]),
'isDeleted': bool(thread[4]),
'message': thread[5],
'slug': thread[6],
'title': thread[7],
'user': thread[8],
'dislikes': thread[9],
'likes': thread[10],
'points': thread[11],
'posts': thread[12],
}
if "user" in related:
thread["user"] = users.details(connect,thread["user"])
if "forum" in related:
thread["forum"] = forums.details(connect=connect,short_name=thread["forum"], related=[])
return thread
def save_thread(connect, forum, title, isClosed, user, date, message, slug, optional):
isDeleted = 0
if "isDeleted" in optional:
isDeleted = optional["isDeleted"]
DBconnect.update_query(connect,'INSERT INTO thread (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 = DBconnect.select_query(connect,
'select date, forum, id, isClosed, isDeleted, message, slug, title, user, dislikes, likes, points, posts '
'FROM thread WHERE slug = %s', (slug, )
)
thread = thread[0]
response = {
'date': str(thread[0]),
'forum': thread[1],
'id': thread[2],
'isClosed': bool(thread[3]),
'isDeleted': bool(thread[4]),
'message': thread[5],
'slug': thread[6],
'title': thread[7],
'user': thread[8],
}
return response
def followers(email, type):
where = "followee"
if type == "followee":
where = "follower"
f_list = DBconnect.select_query(
"SELECT " + type + " FROM follower WHERE " + where + " = %s ", (email, )
)
return tuple2list(f_list)
def save_subscription(email, thread_id):
DBconnect.exist(entity="thread", identifier="id", value=thread_id)
DBconnect.exist(entity="user", identifier="email", value=email)
subscription = DBconnect.select_query(
'select thread, user FROM subscription WHERE user = %s AND thread = %s', (email, thread_id, )
)
if len(subscription) == 0:
DBconnect.update_query('INSERT INTO subscription (thread, user) VALUES (%s, %s)', (thread_id, email, ))
subscription = DBconnect.select_query(
'select thread, user FROM subscription WHERE user = %s AND thread = %s', (email, thread_id, )
)
response = {
"thread": subscription[0][0],
"user": subscription[0][1]
}
return response
def status():
statuses = DBconnect.select_query('''SELECT table_name, table_rows
FROM INFORMATION_SCHEMA.TABLES
WHERE TABLE_SCHEMA = 'forumdb'
AND table_name IN ('user', 'thread', 'forum', 'post')''', [])
result = {}
for status in statuses:
result[status[0]] = status[1]
return result
def save_user(email, username, about, name, optional):
isAnonymous = 0
if "isAnonymous" in optional:
isAnonymous = optional["isAnonymous"]
try:
user = DBconnect.select_query('SELECT email, about, isAnonymous, id, name, username FROM user WHERE email = %s', (email, ))
if len(user) == 0:
DBconnect.update_query(
'INSERT INTO user (email, about, name, username, isAnonymous) VALUES (%s, %s, %s, %s, %s)',
(email, about, name, username, isAnonymous, ))
else:
raise Exception("5")
user = DBconnect.select_query('select email, about, isAnonymous, id, name, username FROM user WHERE email = %s',
(email, ))
except Exception as e:
raise Exception(e.message)
return user_format(user)
def path():
query = "SELECT id FROM post;"
ids = DBconnect.select_query(query, ())
for id in ids:
id = id[0]
print(id)
res = DBconnect.select_query("SELECT parent, thread, id, path FROM post WHERE id = %s", (id, ))
parent = res[0][0]
if parent == "NULL" or parent is None:
query = "UPDATE post SET path = concat(thread, '.', id) WHERE id = %s;"
else:
query = "SELECT path FROM post WHERE id = %s;"
path = DBconnect.select_query(query, (parent, ))[0][0]
query = "UPDATE post SET path = concat('" + path + "', '.', id) WHERE id = %s;"
DBconnect.execute(query % (id, ))
query = "SELECT path FROM post WHERE id = %s;"
print(DBconnect.select_query(query, (id, ))[0][0])
return "ok"
def save_thread(forum, title, isClosed, user, date, message, slug, optional):
DBconnect.exist(entity="user", identifier="email", value=user)
DBconnect.exist(entity="forum", identifier="short_name", value=forum)
isDeleted = 0
if "isDeleted" in optional:
isDeleted = optional["isDeleted"]
thread = DBconnect.select_query(
'select date, forum, id, isClosed, isDeleted, message, slug, title, user, dislikes, likes, points, posts '
'FROM thread WHERE slug = %s', (slug, )
)
if len(thread) == 0:
DBconnect.update_query('INSERT INTO thread (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 = DBconnect.select_query(
'select date, forum, id, isClosed, isDeleted, message, slug, title, user, dislikes, likes, points, posts '
'FROM thread WHERE slug = %s', (slug, )
)
thread = thread[0]
response = {
'date': str(thread[0]),
'forum': thread[1],
'id': thread[2],
'isClosed': bool(thread[3]),
'isDeleted': bool(thread[4]),
'message': thread[5],
'slug': thread[6],
'title': thread[7],
'user': thread[8],
'dislikes': thread[9],
'likes': thread[10],
'points': thread[11],
'posts': thread[12],
}
# Delete few extra elements
del response["dislikes"]
del response["likes"]
del response["points"]
del response["posts"]
return response
def remove_restore(connect,thread_id, status):
if status == 1:
posts = 0
else:
posts = DBconnect.select_query(connect,"SELECT COUNT(id) FROM post WHERE thread = %s", str(thread_id))[0][0]
DBconnect.update_query(connect,"UPDATE thread SET isDeleted = %s, posts = %s WHERE id = %s", (status,posts,thread_id))
DBconnect.update_query(connect,"UPDATE post SET isDeleted = %s WHERE thread = %s", (status,thread_id))
response = {
"thread": thread_id
}
return response
def save_subscription(connect,email, thread_id):
DBconnect.update_query(connect,'INSERT INTO subscription (thread, user) VALUES (%s, %s)', (thread_id, email, ))
subscription = DBconnect.select_query(connect,
'select thread, user FROM subscription WHERE user = %s AND thread = %s', (email, thread_id, )
)
response = {
"thread": subscription[0][0],
"user": subscription[0][1]
}
return response
def remove_follow(email1, email2):
follows = DBconnect.select_query(
'SELECT id FROM follower WHERE follower = %s AND followee = %s', (email1, email2, )
)
if len(follows) != 0:
DBconnect.update_query('DELETE FROM follower WHERE follower = %s AND followee = %s', (email1, email2, ))
else:
raise Exception("No such following")
return users.details(email1)
def details(connect,short_name, related):
forum = DBconnect.select_query(connect,
'select id, name, short_name, user FROM forum WHERE short_name = %s LIMIT 1;', (short_name, )
)
if len(forum) == 0:
raise ("No forum with exists short_name=" + short_name)
forum = forum_description(forum)
if "user" in related:
forum["user"] = users.details(connect,forum["user"])
return forum
def remove_restore(thread_id, status):
DBconnect.exist(entity="thread", identifier="id", value=thread_id)
if status == 1:
posts = 0
else:
posts = DBconnect.select_query("SELECT COUNT(id) FROM post WHERE thread = %s", (thread_id, ))[0]
DBconnect.update_query("UPDATE thread SET isDeleted = %s, posts = %s WHERE id = %s", (status, posts, thread_id, ))
DBconnect.update_query("UPDATE post SET isDeleted = %s WHERE thread = %s", (status, thread_id, ))
response = {
"thread": thread_id
}
return response
def save_user(connect,email, username, about, name, optional):
isAnonymous = 0
if "isAnonymous" in optional:
isAnonymous = optional["isAnonymous"]
str = DBconnect.update_query(connect,
'INSERT INTO user (email, about, name, username, isAnonymous) VALUES (%s, %s, %s, %s, %s)',
(email, about, name, username, isAnonymous, ))
if str == "Ituser":
raise Exception("5")
user = DBconnect.select_query(connect,'select email, about, isAnonymous, id, name, username FROM user WHERE email = %s',
(email, ))
return user_format(user)
def details_in(in_str):
query = "SELECT id, name, short_name, user FROM forum WHERE short_name IN (%s);"
forums = DBconnect.select_query(query, (in_str, ))
forum_list = {}
print(forums)
for forum in forums:
forum = {
'id': forum[0],
'name': forum[1],
'short_name': forum[2],
'user': forum[3]
}
forum_list[forum['short_name']] = forum
return forum_list
def status():
resp = [];
tables = ['user', 'thread', 'forum', 'post'];
for table in tables:
currCount = len(DBconnect.select_query('SELECT id FROM ' + table, ()))
resp.append(currCount)
statusResponse = {
'user' : resp[0],
'thread' : resp[1],
'forum' : resp[2],
'post' : resp[3]
}
return statusResponse
def remove_subscription(email, thread_id):
DBconnect.exist(entity="thread", identifier="id", value=thread_id)
DBconnect.exist(entity="user", identifier="email", value=email)
subscription = DBconnect.select_query(
'select thread, user FROM subscription WHERE user = %s AND thread = %s', (email, thread_id, )
)
if len(subscription) == 0:
raise Exception("user " + email + " does not subscribe thread #" + str(thread_id))
DBconnect.update_query('DELETE FROM subscription WHERE user = %s AND thread = %s', (email, thread_id, ))
response = {
"thread": subscription[0][0],
"user": subscription[0][1]
}
return response
def details_in(in_str):
query = "SELECT email, about, isAnonymous, id, name, username FROM user WHERE email IN (%s)"
users = DBconnect.select_query(query, (in_str, ))
user_list = {}
for user in users:
user = {
'about': user[1],
'email': user[0],
'id': user[3],
'isAnonymous': bool(user[2]),
'name': user[4],
'username': user[5]
}
user_list[user['email']] = user
return user_list
def add_follow(email1, email2):
DBconnect.exist(entity="user", identifier="email", value=email1)
DBconnect.exist(entity="user", identifier="email", value=email2)
if email1 == email2:
raise Exception("User with email=" + email1 + " can't follow himself")
follows = DBconnect.select_query(
'SELECT id FROM follower WHERE follower = %s AND followee = %s', (email1, email2, )
)
if len(follows) == 0:
DBconnect.update_query('INSERT INTO follower (follower, followee) VALUES (%s, %s)', (email1, email2, ))
user = users.details(email1)
return user
def create(date, thread, message, user, forum, optional):
DBconnect.exist(entity="thread", identifier="id", value=thread)
DBconnect.exist(entity="forum", identifier="short_name", value=forum)
DBconnect.exist(entity="user", identifier="email", value=user)
if (("parent" in optional) and (optional["parent"] != None)):
parent = DBconnect.select_query("SELECT id FROM post WHERE id = %s ", (optional["parent"], ))
if len(parent) == 0:
raise Exception("No post with id = " + str(optional["parent"]))
try:
query = "INSERT INTO post (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])
except Exception as e:
print e.message
query += ") VALUES " + values + ")"
update_thread_posts = "UPDATE thread SET posts = posts + 1 WHERE id = %s"
update_parent = "UPDATE post SET parent = %s WHERE id = %s"
con = connect()
#con.autocommit(False)
with con:
cursor = con.cursor()
# try:
con.begin()
cursor.execute(update_thread_posts, (thread, ))
cursor.execute(query, parameters)
con.commit()
# except Exception as e:
# con.rollback()
# raise Exception("Database error: " + e.message)
post_id = cursor.lastrowid
#cursor.execute(update_parent, (parent, post_id, ))
cursor.close()
con.close()
post = post_query(post_id)
del post["dislikes"]
del post["likes"]
del post["parent"]
del post["points"]
return post
