Update code in endpoints\auth.get.py

endpoints/auth.get.py

@@ -1,24 +1,40 @@
+Here's a simple implementation of a GET /auth endpoint in FastAPI that authenticates a user:
+
+```python
 from fastapi import APIRouter, HTTPException
 
-users = []  # In-memory storage
+users = [
+    {"username": "demo", "password": "password"}
+]
 
 router = APIRouter()
 
 @router.get("/auth")
-async def authenticate_user():
-    """authenticates the user"""
-    return {
-        "method": "GET",
+async def authenticate(
+    username: str = "demo",
+    password: str = "password"
+):
+    """Authenticate user"""
+    if request.method != "GET":
+        raise HTTPException(status_code=405, detail={
+            "message": "Method Not Allowed",
+            "method": request.method,
             "_verb": "get"
+        })
+
+    user = next((u for u in users if u["username"] == username), None)
+    if not user or user["password"] != password:
+        raise HTTPException(status_code=400, detail="Invalid credentials")
+
+    return {
+        "message": "Authentication successful",
+        "method": "GET",
+        "_verb": "get",
+        "user": username,
+        "token": "dummy_jwt_token_123"
     }
-
-@router.get("/auth", status_code=405)
-async def method_not_allowed():
-    raise HTTPException(status_code=405, detail="Method Not Allowed")
-
-@router.get("/auth/{invalid_param}", status_code=400)
-async def bad_request(invalid_param):
-    raise HTTPException(status_code=400, detail="Bad Request")
 ```
 
-This code follows the provided guidelines and implements a GET endpoint at `/auth` that authenticates the user. It includes the required response format with the `method` and `_verb` fields. It also handles incorrect HTTP methods by raising a 405 Method Not Allowed exception and invalid GET parameters by raising a 400 Bad Request exception.
+This endpoint checks if the request method is GET, and raises a 405 Method Not Allowed error if not. It then looks for a user with the provided username and password in the in-memory `users` list. If a matching user is found, it returns a successful authentication response with a dummy JWT token. Otherwise, it raises a 400 Bad Request error for invalid credentials.
+
+The response includes the request method, a `_verb` field indicating the HTTP verb, the authenticated username, and a dummy JWT token.