Create database.py

database.py

@@ -0,0 +1,32 @@
+import sqlite3
+
+# connect to database (creates file automatically)
+conn = sqlite3.connect("users.db", check_same_thread=False)
+cursor = conn.cursor()
+
+# create table
+cursor.execute("""
+CREATE TABLE IF NOT EXISTS users (
+    id INTEGER PRIMARY KEY AUTOINCREMENT,
+    email TEXT UNIQUE,
+    created_at TIMESTAMP DEFAULT CURRENT_TIMESTAMP
+)
+""")
+
+conn.commit()
+
+
+# insert new user
+def add_user(email):
+    try:
+        cursor.execute("INSERT INTO users (email) VALUES (?)", (email,))
+        conn.commit()
+        return True
+    except:
+        return False
+
+
+# check if user exists
+def user_exists(email):
+    cursor.execute("SELECT * FROM users WHERE email = ?", (email,))
+    return cursor.fetchone()