style(project): move app functions in s03 final code

Author: jslvtr

docs/docs/03_first_rest_api/09_final_code/README.md

@@ -12,7 +12,21 @@ from flask import Flask, request
 
 app = Flask(__name__)
 
-stores = []
+stores = [
+    {
+        "name": "My Store",
+        "items": [
+            {
+                "name": "Chair",
+                "price": 15.99
+            }
+        ]
+    }
+]
+
+@app.get("/store")
+def get_stores():
+    return {"stores": stores}
 
 
 @app.post("/store")
@@ -23,27 +37,22 @@ def create_store():
     return new_store, 201
 
 
-@app.get("/store/<string:name>")
-def get_store(name):
+@app.post("/store/<string:name>/item")
+def create_item(name):
+    request_data = request.get_json()
     for store in stores:
         if store["name"] == name:
-            return store
+            new_item = {"name": request_data["name"], "price": request_data["price"]}
+            store["items"].append(new_item)
+            return new_item, 201
     return {"message": "Store not found"}, 404
 
 
-@app.get("/store")
-def get_stores():
-    return {"stores": stores}
-
-
-@app.post("/store/<string:name>/item")
-def create_item_in_store(name):
-    request_data = request.get_json()
+@app.get("/store/<string:name>")
+def get_store(name):
     for store in stores:
         if store["name"] == name:
-            new_item = {"name": request_data["name"], "price": request_data["price"]}
-            store["items"].append(new_item)
-            return new_item
+            return store
     return {"message": "Store not found"}, 404