2758be8680
* Fix pylint warnings across all 24 Python files in web_server - Add module, class, and function docstrings (C0114, C0115, C0116) - Fix import ordering: stdlib before third-party before local (C0411) - Replace wildcard imports with explicit named imports (W0401) - Remove trailing whitespace and add missing final newlines (C0303, C0304) - Replace dict() with dict literals (R1735) - Remove unused imports and variables (W0611, W0612) - Narrow broad Exception catches to specific exceptions (W0718) - Replace f-string logging with lazy % formatting (W1203) - Fix variable naming: UPPER_CASE for constants, snake_case for locals (C0103) - Add pylint disable comments for necessary global statements (W0603) - Fix no-else-return, simplifiable-if-expression, singleton-comparison - Fix bad indentation in stripe.py (W0311) - Add encoding="utf-8" to open() calls (W1514) - Add check=True to subprocess.run() calls (W1510) - Register Celery task modules via conf.include * Update `package-lock.json` add peer dependencies
299 lines
8.8 KiB
Python
299 lines
8.8 KiB
Python
"""User profile management, following, and subscription utilities."""
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from typing import Optional, List
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from datetime import datetime, timedelta
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from database.database import Database
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from dateutil import parser
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def get_user_id(username: str) -> Optional[int]:
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"""
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Returns user_id associated with given username
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"""
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with Database() as db:
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data = db.fetchone("""
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SELECT user_id
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FROM users
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WHERE username = ?
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""", (username,))
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return data['user_id'] if data else None
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def get_username(user_id: str) -> Optional[str]:
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"""
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Returns username associated with given user_id
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"""
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with Database() as db:
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data = db.fetchone("""
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SELECT username
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FROM users
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WHERE user_id = ?
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""", (user_id,))
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return data['username'] if data else None
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def update_bio(user_id: int, bio: str):
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"""
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Updates users bio given their user_id
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"""
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with Database() as db:
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db.execute("""
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UPDATE users
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SET bio = ?
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WHERE user_id = ?
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""", (bio, user_id))
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def has_password(email: str):
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"""
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Returns if account associated with this email has password,
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i.e is account from Google OAuth
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"""
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with Database() as db:
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data = db.fetchone("""
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SELECT password
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FROM users
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WHERE email = ?
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""", (email,))
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return data["password"] is not None
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def get_session_info_email(email: str) -> dict:
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"""
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Returns username and user_id given email
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"""
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with Database() as db:
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session_info = db.fetchone("""
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SELECT user_id, username
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FROM users
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WHERE email = ?
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""", (email,))
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return session_info
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def is_user_partner(user_id: int) -> bool:
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"""
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Returns True if user is a partner, else False
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"""
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with Database() as db:
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data = db.fetchone("""
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SELECT is_partnered
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FROM users
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WHERE user_id = ?
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""", (user_id,))
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return bool(data)
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def is_subscribed(user_id: int, subscribed_to_id: int) -> bool:
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"""Returns True if user is subscribed to a streamer, else False"""
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with Database() as db:
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return bool(db.fetchone(
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"""
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SELECT 1
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FROM subscribes
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WHERE user_id = ?
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AND subscribed_id = ?
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AND expires > ?;
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""",
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(user_id, subscribed_to_id, datetime.now())
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))
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def is_following(user_id: int, followed_id: int) -> bool:
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"""
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Returns where a user is following another
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"""
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with Database() as db:
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result = db.fetchone("""
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SELECT 1
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FROM follows
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WHERE user_id = ?
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AND followed_id = ?
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""", (user_id, followed_id))
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return bool(result)
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def follow(user_id: int, followed_id: int):
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"""
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Follows followed_id user from user_id user
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"""
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if is_following(user_id, followed_id):
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return {"success": False, "error": "Already following user"}, 400
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with Database() as db:
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db.execute("""
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INSERT INTO follows (user_id, followed_id)
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VALUES(?,?);
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""", (user_id, followed_id))
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return {"success": True}
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def unfollow(user_id: int, followed_id: int):
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"""
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Unfollows followed_id user from user_id user
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"""
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if not is_following(user_id, followed_id):
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return {"success": False, "error": "Not following user"}, 400
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with Database() as db:
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db.execute("""
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DELETE FROM follows
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WHERE user_id = ?
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AND followed_id = ?
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""", (user_id, followed_id))
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return {"success": True}
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def is_following_category(user_id: int, category_id: str):
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"""
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Checks if user is following category
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"""
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with Database() as db:
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result = db.fetchone("""
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SELECT 1
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FROM followed_categories
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WHERE user_id = ?
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AND category_id = ?
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""", (user_id, category_id))
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return bool(result)
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def follow_category(user_id: int, category_id: str):
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"""
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Follows category given user_id
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"""
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if is_following_category(user_id, category_id):
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return {"success": False, "error": "Already following category"}, 400
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with Database() as db:
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db.execute("""
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INSERT INTO followed_categories (user_id, category_id)
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VALUES(?,?);
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""", (user_id, category_id))
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return {"success": True}
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def unfollow_category(user_id: int, category_id: str):
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"""
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Unfollows category given user_id
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"""
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if not is_following_category(user_id, category_id):
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return {"success": False, "error": "Not following category"}, 400
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with Database() as db:
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db.execute("""
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DELETE FROM followed_categories
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WHERE user_id = ?
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AND category_id = ?
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""", (user_id, category_id))
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return {"success": True}
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def subscribe(user_id: int, streamer_id: int):
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"""
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Subscribes user_id to streamer_id
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"""
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# If user is already subscribed then extend the expiration date else create a new entry
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with Database() as db:
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existing = db.fetchone("""
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SELECT expires
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FROM subscribes
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WHERE user_id = ? AND subscribed_id = ?
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""", (user_id, streamer_id))
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if existing:
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db.execute("""
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UPDATE subscribes SET expires = expires + ?
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WHERE user_id = ? AND subscribed_id = ?
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""", (timedelta(days=30), user_id, streamer_id))
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else:
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db.execute("""
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INSERT INTO subscribes
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(user_id, subscribed_id, since, expires)
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VALUES (?,?,?,?)
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""", (user_id, streamer_id, datetime.now(), datetime.now() + timedelta(days=30)))
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def delete_subscription(user_id: int, subscribed_id: int):
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"""
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Deletes a subscription entry given user_id and streamer_id
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"""
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with Database() as db:
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db.execute("""
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DELETE FROM subscribes
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WHERE user_id = ? AND subscribed_id = ?
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""", (user_id, subscribed_id))
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def subscription_expiration(user_id: int, subscribed_id: int) -> int:
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"""
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Returns the amount of time left until user subscription to a streamer ends
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"""
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with Database() as db:
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data = db.fetchone("""
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SELECT expires
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FROM subscribes
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WHERE user_id = ?
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AND subscribed_id = ?
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AND expires > ?
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""", (user_id, subscribed_id, datetime.now()))
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if data:
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expiration_date = data["expires"]
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remaining_time = (parser.parse(expiration_date) - datetime.now()).seconds
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return remaining_time
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return 0
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def get_email(user_id: int) -> Optional[str]:
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"""Returns the email address for a given user_id."""
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with Database() as db:
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email = db.fetchone("""
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SELECT email
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FROM users
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WHERE user_id = ?
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""", (user_id,))
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return email["email"] if email else None
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def get_followed_streamers(user_id: int) -> Optional[List[dict]]:
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"""
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Returns a list of streamers who the user follows
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Returns:
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List of dictionaries with the following structure:
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[
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{
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"user_id": int,
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"username": str
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},
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...
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]
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"""
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with Database() as db:
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followed_streamers = db.fetchall("""
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SELECT user_id, username
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FROM users
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WHERE user_id IN (SELECT followed_id FROM follows WHERE user_id = ?);
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""", (user_id,))
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return followed_streamers
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def get_followed_categories(user_id: int) -> Optional[List[dict]]:
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"""
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Returns a list of categories that the user follows
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Returns:
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List of dictionaries with the following structure:
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[
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{
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"category_id": int,
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"category_name": str
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},
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...
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]
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"""
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with Database() as db:
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followed_categories = db.fetchall("""
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SELECT category_id, category_name
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FROM categories
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WHERE category_id IN (SELECT category_id FROM followed_categories WHERE user_id = ?);
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""", (user_id,))
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return followed_categories
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def get_user(user_id: int) -> Optional[dict]:
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"""
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Returns information about a user from user_id
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"""
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with Database() as db:
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data = db.fetchone("""
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SELECT user_id, username, bio, num_followers, is_partnered, is_live FROM users
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WHERE user_id = ?;
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""", (user_id,))
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return data
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