added a marshmallow schema for cookie

cookie_api/app.py

@@ -5,10 +5,13 @@ from apistar.frameworks.wsgi import WSGIApp as App
 from apistar.handlers import docs_urls, static_urls
 from apistar.interfaces import Router, Injector, Auth
 from apistar_jwt.authentication import JWTAuthentication
+
 from cookie_api.auth import auth_routes, auth_components
 from cookie_api.commands import commands
 from cookie_api.models import Cookie
+from cookie_api.schema import CookieSchema
 
+cookie_schema = CookieSchema()
 
 @annotate(authentication=[JWTAuthentication()])
 def get_state(injector: Injector, auth: Auth):
@@ -21,9 +24,7 @@ def get_state(injector: Injector, auth: Auth):
 
 def get_cookies(session: Session):
     cookies = session.query(Cookie).all()
-    result = [cookie.to_dict() for cookie in cookies]
-
-    return result
+    return cookie_schema.dump(cookies, many=True).data
 
 
 def get_cookie(session: Session, id):
@@ -31,19 +32,22 @@ def get_cookie(session: Session, id):
     if cookie is None:
         msg = {"error": "404 Not Found"}
         return http.Response(msg, status=404)
-    return cookie.to_dict()
+    return cookie_schema.dump(cookie).data
 
 
 def create_cookie(session: Session, json_data: http.RequestData, route: Router):
-    cookie = Cookie(name=json_data['name'],
-                    recipe_url=json_data['recipe_url'],
-                    sku=json_data['sku'],
-                    qoh=json_data['qoh'],
-                    unit_cost=json_data['unit_cost'])
+    cookie_data = cookie_schema.load(json_data)
+
+    #cookie = Cookie(name=json_data['name'],
+    #                recipe_url=json_data['recipe_url'],
+    #                sku=json_data['sku'],
+    #                qoh=json_data['qoh'],
+    #                unit_cost=json_data['unit_cost'])
+    cookie = Cookie(**cookie_data)
     session.add(cookie)
     session.commit()
     headers = {'Location': route.reverse_url('get_cookie', dict(id=cookie.id))}
-    return http.Response(cookie.to_dict(), status=201, headers=headers)
+    return http.Response(cookie_schema.dump(cookie), status=201, headers=headers)
 
 
 def delete_cookie(session: Session, id: int):

cookie_api/schema.py

@@ -0,0 +1,12 @@
+from marshmallow import Schema, fields
+
+
+class CookieSchema(Schema):
+    id = fields.Int()
+    created_date = fields.DateTime()
+    modified_date = fields.DateTime()
+    name = fields.Str(required=True)
+    recipe_url = fields.Str()
+    sku = fields.Str(required=True)
+    qoh = fields.Int(required=True)
+    unit_cost = fields.Decimal(required=True)