Created utils folder which holds funcs to be called within the flask routes, added pseudo code to streams.py and user.py which are untested, data still needs to be jsonified to be sent to React

web_server/utils/stream_utils.py

@@ -0,0 +1,85 @@
+from database.database import Database
+from typing import Optional
+
+def streamer_data(streamer_id: int):
+    """
+    Retrieves data given streamer (username, since, isPartnered)
+    """
+    db = Database()
+    cursor = db.create_connection()
+    streamer_data = cursor.execute("""SELECT username, since, isPartnered FROM 
+                                   streamers JOIN users ON
+                                   streamers.user_id = users.user_id
+                                   WHERE streamer_id = ?""", (streamer_id,)).fetchone()
+    return streamer_data
+
+def streamer_live_status(streamer_id: int) -> bool:
+    """
+    Returns whether the given streamer is live
+    """
+    db = Database()
+    cursor = db.create_connection()
+    return bool(cursor.execute("SELECT 1 FROM streams WHERE streamer_id = ? AND isLive = 1 ORDER BY stream_id DESC", (streamer_id,)).fetchone())
+
+def followed_live_streams(user_id: int):
+    """
+    Searches for streamers who the user followed which are currently live
+    """
+    db = Database()
+    cursor = db.create_connection()
+
+    live_streams = cursor.execute("""
+        SELECT streamer_id, stream_id, title, num_viewers
+        FROM streams 
+        WHERE streamer_id IN (SELECT streamer_id FROM follows WHERE user_id = ?)
+        AND stream_id = (SELECT MAX(stream_id) FROM streams WHERE streamer_id = streams.streamer_id)
+        AND isLive = 1
+    """, (user_id,)).fetchall()
+
+    return live_streams
+
+def streamer_name(streamer_id: int) -> Optional[str]:
+    """
+    Returns streamers username given streamer_id
+    """
+    db = Database()
+    cursor = db.create_connection()
+
+    streamer_username = cursor.execute(
+        "SELECT username FROM users WHERE user_id = (SELECT user_id FROM streamers WHERE streamer_id = ?)", (streamer_id,)).fetchone()
+    return streamer_username[0] if streamer_username else None
+
+def streamer_id(streamer_name: str) -> Optional[int]:
+    """
+    Returns streamers id given streamers name
+    """
+    db = Database()
+    cursor = db.create_connection()
+
+    streamer_id = cursor.execute(
+        "SELECT streamer_id FROM streamers WHERE user_id = (SELECT user_id FROM users WHERE username = ?)",(streamer_name,)).fetchone()
+    return streamer_id[0] if streamer_id else None
+
+def streamer_most_recent_stream(streamer_id: int):
+    """
+    Returns data of the most recent stream by a streamer
+    """
+    db = Database()
+    cursor = db.create_connection()
+
+    most_recent_stream = cursor.execute("""SELECT * FROM streams WHERE 
+                                        streamer_id = ? AND 
+                                        stream_id = (SELECT MAX(stream_id) FROM
+                                        streams WHERE streamer_id = ?)""", (streamer_id,streamer_id)).fetchone()
+    return most_recent_stream
+
+def streamer_stream(streamer_id: int, stream_id: int):
+    """
+    Returns data of a streamers selected stream
+    """
+    db = Database()
+    cursor = db.create_connection()
+    
+    stream = cursor.execute("SELECT * FROM streams WHERE streamer_id = ? AND stream_id = ?", (streamer_id,stream_id)).fetchone()
+
+    return stream