(feat): Basic user auth

routes/auth.py

@@ -0,0 +1,34 @@
+from flask import Blueprint, request, jsonify
+from models.user import User, db
+
+auth_bp = Blueprint('auth', __name__)
+
+@auth_bp.route('/signup', methods=['POST'])
+def signup():
+    data = request.json
+    username = data.get('username')
+    password = data.get('password')
+
+    if not username or not password:
+        return jsonify({"error": "Username and password are required"}), 400
+    
+    if User.query.filter_by(username=username).first():
+        return jsonify({"error": "Username already exists"}), 400
+    
+    User.create_user(username, password)
+    return jsonify({"message": "User registered successfully"}), 201
+
+@auth_bp.route('/login', methods=['POST'])
+def login():
+    data = request.json
+    username = data.get('username')
+    password = data.get('password')
+
+    if not username or not password:
+        return jsonify({"error": "Username and password are required"}), 400
+
+    user = User.verify_user(username, password)
+    if not user:
+        return jsonify({"error": "Invalid username or password"}), 401
+
+    return jsonify({"message": f"Welcome, {username}!"}), 200