Add in authentication via Flask-Login, still need to modify http functions so they are linked to a user

db.py

@@ -83,4 +83,19 @@ class DataBase():
 FROM http_function_invocations
 WHERE http_function_id=%s
 ORDER BY invocation_time DESC""", [http_function_id])
-        return http_function_invocations
+        return http_function_invocations
+    
+    def get_user(self, user_id):
+        user = self.execute(
+            'SELECT id, username, password_hash, created_at FROM users WHERE id=%s', [int(user_id)], one=True)
+        return user
+
+    def get_user_by_username(self, username):
+        user = self.execute(
+            'SELECT id, username, password_hash, created_at FROM users WHERE username=%s', [username], one=True)
+        return user
+
+    def create_new_user(self, username, password_hash):
+        new_user = self.execute(
+            'INSERT INTO users (username, password_hash) VALUES (%s, %s) RETURNING id, username, password_hash, created_at', [username, password_hash], commit=True)
+        return new_user