Files
gander/web_server/utils/stream_utils.py

114 lines
3.4 KiB
Python

from database.database import Database
from typing import Optional
import sqlite3, os, subprocess
from time import sleep
from typing import Optional, List
def streamer_live_status(user_id: int) -> dict:
"""
Returns boolean on whether the given streamer is live
"""
with Database() as db:
is_live = db.fetchone("""
SELECT isLive
FROM streams
WHERE user_id = ?
ORDER BY stream_id DESC
LIMIT 1;
""", (user_id,))
return is_live
def followed_live_streams(user_id: int) -> Optional[List[dict]]:
"""
Searches for streamers who the user followed which are currently live
"""
with Database() as db:
live_streams = db.fetchall("""
SELECT user_id, stream_id, title, num_viewers
FROM streams
WHERE user_id IN (SELECT followed_id FROM follows WHERE user_id = ?)
AND stream_id = (SELECT MAX(stream_id) FROM streams WHERE user_id = streams.user_id)
AND isLive = 1;
""", (user_id,))
return live_streams
def 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 streamer_most_recent_stream(user_id: int) -> dict:
"""
Returns data of the most recent stream by a streamer
"""
with Database() as db:
most_recent_stream = db.fetchone("""
SELECT * FROM streams
WHERE user_id = ?
AND stream_id = (SELECT MAX(stream_id) FROM streams WHERE user_id = ?)
""", (user_id, user_id))
return most_recent_stream
def user_stream(user_id: int, stream_id: int) -> dict:
"""
Returns data of a streamers selected stream
"""
with Database() as db:
stream = db.fetchone("""
SELECT * FROM streams
WHERE user_id = ?
AND stream_id = ?
""", (user_id, stream_id))
return stream
def generate_thumbnail(user_id: int) -> None:
"""
Returns the thumbnail of a stream
"""
db = Database()
username = db.fetchone("""SELECT * FROM users WHERE user_id = ?""", (user_id,))
db.close_connection()
if not username:
return None
if not os.path.exists(f"stream_data/thumbnails/"):
os.makedirs(f"stream_data/thumbnails/")
subprocess.Popen(["ls", "-lR"])
thumbnail_command = [
"ffmpeg",
"-y",
"-i",
f"stream_data/hls/{username['username']}/index.m3u8",
"-vframes",
"1",
"-q:v",
"2",
f"stream_data/thumbnails/{username['username']}.jpg"
]
subprocess.run(thumbnail_command)
def stream_tags(stream_id: int) -> Optional[List[str]]:
"""
Given a stream return tags associated with the stream
"""
with Database() as db:
tags = db.fetchall("""
SELECT tag_name
FROM tags
JOIN stream_tags ON tags.tag_id = stream_tags.tag_id
WHERE stream_id = ?
""", (stream_id,))
tags = [tag['tag_name'] for tag in tags] if tags else None
return tags