Files
gander/web_server/utils/user_utils.py

164 lines
4.7 KiB
Python

from database.database import Database
from typing import Optional, List
from datetime import datetime
from dateutil import parser
def get_user_id(username: str) -> Optional[int]:
"""
Returns user_id associated with given username
"""
with Database() as db:
data = db.fetchone("""
SELECT user_id
FROM users
WHERE username = ?
""", (username,))
return data['user_id'] if data else None
def get_username(user_id: str) -> Optional[str]:
"""
Returns username associated with given user_id
"""
with Database() as db:
data = db.fetchone("""
SELECT username
FROM user
WHERE user_id = ?
""", (user_id,))
return data['username'] if data else None
def get_session_info_email(email: str) -> dict:
"""
Returns username and user_id given email
"""
with Database as db:
session_info = db.fetchone("""
SELECT user_id, username
FROM user
WHERE email = ?
""", (email,))
return session_info
def is_user_partner(user_id: int) -> bool:
"""
Returns True if user is a partner, else False
"""
with Database() as db:
data = db.fetchone("""
SELECT is_partnered
FROM users
WHERE user_id = ?
""", (user_id,))
return bool(data)
def is_subscribed(user_id: int, subscribed_to_id: int) -> bool:
"""
Returns True if user is subscribed to a streamer, else False
"""
with Database() as db:
result = db.fetchone("""
SELECT *
FROM subscribes
WHERE user_id = ?
AND subscribed_id = ?
AND expires > ?;
""", (user_id, subscribed_to_id, datetime.now()))
print(result)
if result:
return True
return False
def is_following(user_id: int, followed_id: int) -> bool:
"""
Returns where a user is following another
"""
with Database() as db:
result = db.fetchone("""
SELECT 1
FROM follows
WHERE user_id = ?
AND followed_id = ?
""", (user_id, followed_id))
return bool(result)
def follow(user_id: int, followed_id: int):
"""
Follows followed_id user from user_id user
"""
if is_following(user_id, followed_id):
return {"success": False, "error": "Already following user"}, 400
with Database() as db:
db.execute("""
INSERT INTO follows (user_id, followed_id)
VALUES(?,?);
""", (user_id, followed_id))
return {"success": True}
def unfollow(user_id: int, followed_id: int):
"""
Unfollows followed_id user from user_id user
"""
if not is_following(user_id, followed_id):
return {"success": False, "error": "Not following user"}, 400
with Database() as db:
db.execute("""
DELETE FROM follows
WHERE user_id = ?
AND followed_id = ?
""", (user_id, followed_id))
return {"success": True}
def subscription_expiration(user_id: int, subscribed_id: int) -> int:
"""
Returns the amount of time left until user subscription to a streamer ends
"""
with Database() as db:
data = db.fetchone("""
SELECT expires
FROM subscribes
WHERE user_id = ?
AND subscribed_id = ?
AND expires > ?
""", (user_id, subscribed_id, datetime.now()))
if data:
expiration_date = data["expires"]
remaining_time = (parser.parse(expiration_date) - datetime.now()).seconds
return remaining_time
return 0
def get_email(user_id: int) -> Optional[str]:
with Database() as db:
email = db.fetchone("""
SELECT email
FROM users
WHERE user_id = ?
""", (user_id,))
return email["email"] if email else None
def get_followed_streamers(user_id: int) -> Optional[List[dict]]:
"""
Returns a list of streamers who the user follows
"""
with Database() as db:
followed_streamers = db.fetchall("""
SELECT user_id, username
FROM users
WHERE user_id IN (SELECT followed_id FROM follows WHERE user_id = ?);
""", (user_id,))
return followed_streamers
def get_user(user_id: int) -> Optional[dict]:
"""
Returns information about a user from user_id
"""
with Database() as db:
data = db.fetchone("""
SELECT user_id, username, bio, num_followers, is_partnered, is_live FROM users
WHERE user_id = ?;
""", (user_id,))
return data