Created dbutils.py for easy database manipulation

dbutil.py

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+import json
+import os
+import sqlite3
+
+def add_application_msg(msg_id: str, author_id: str, guild_id: str) -> None:
+    data = (msg_id, author_id, guild_id)
+    con = sqlite3.connect("applications.db")
+    cur = con.cursor()
+    cur.execute("INSERT INTO app_msg_db VALUES (?, ?, ?)", data)
+    con.commit()
+
+def get_application_msg(msg_id: str):
+    con = sqlite3.connect("applications.db")
+    cur = con.cursor()
+    cur.execute(f"SELECT user_id, guild_id FROM app_msg_db WHERE msg_id={msg_id}")
+    user_id, guild_id = cur.fetchone()
+    return user_id, guild_id
+
+def remove_application_msg(msg_id: str) -> None:
+    con = sqlite3.connect("applications.db")
+    cur = con.cursor()
+    cur.execute(f"DELETE FROM app_msg_db WHERE msg_id={msg_id}")
+    con.commit()