hw3

Author: raelee1026

main.py

@@ -1,4 +1,4 @@
-from fastapi import FastAPI, Path, Query
+from fastapi import FastAPI, Path, Query, HTTPException
 from pydantic import BaseModel
 from typing import Union
 from enum import Enum
@@ -18,8 +18,42 @@ async def root():
     return {"message": "Hello World"}
 
 @app.put("/items/{item_id}")
-async def get_item(item_id: int, item: Item, q: str | None = None):
+async def update_item(
+    item: Item,
+    item_id: int = Path(..., ge=1, le=1000), 
+    q: str | None = Query(default=None, min_length=3, max_length=50)
+):
+    if q is not None and (len(q) < 3 or len(q) > 50):
+        raise HTTPException(
+            status_code=422,
+            detail="Query 'q' must be between 3 and 50 characters."
+        )
     result = {"item_id": item_id, **item.model_dump()}
     if q:
         result.update({"q": q})
-    return result
+    return result
+
+@app.get("/items/{item_id}")
+async def get_item(
+    item_id: int = Path(..., ge=1, le=1000),
+    q: str | None = Query(default=None, min_length=3, max_length=50),
+    sort_order: str = Query(default="asc", regex="^(asc|desc)$")
+):
+    if q is not None and (len(q) < 3 or len(q) > 50):
+        raise HTTPException(
+            status_code=422,
+            detail="Query 'q' must be between 3 and 50 characters."
+        )
+    if item_id < 1 or item_id > 1000:
+        raise HTTPException(
+            status_code=422,
+            detail="Item ID must be between 1 and 1000."
+        )
+    description = "This is a sample item."
+    if q:
+        description = f"This is a sample item that matches the query {q}."
+    return {
+        "item_id": item_id,
+        "description": description,
+        "sort_order": sort_order
+    }