update readme

and something else on the little things

README.md

@@ -1 +1,20 @@
-# go-jsonapi-example
+# go-jsonapi-example
+
+`make && make run`
+
+## Create a new car:
+`curl -X POST http://localhost:8080/v1/cars -d '{"data" : {"type" : "cars" , "attributes": {"brand" : "bmw", "model": "x5", "price": 999, "status": "OnTheWay"}}}'`
+
+## List cars:
+`curl -X GET http://localhost:8080/v1/cars`
+
+## List paginated cars:
+`curl -X GET 'http://localhost:8080/v1/cars?page\[offset\]=0&page\[limit\]=2'`
+## OR
+`curl -X GET 'http://localhost:8080/v1/cars?page\[number\]=1&page\[size\]=2'`
+
+## Update:
+`curl -X PATCH http://localhost:8080/v1/cars/1 -d '{ "data" : {"type" : "cars", "id": "1", "attributes": {"model" : "x3"}}}'`
+
+## Delete:
+`curl -X DELETE http://localhost:8080/v1/cars/2`

internal/model/model_car.go

@@ -42,7 +42,7 @@ func (c Car) Verify() (bool, api2go.HTTPError) {
 		newErr := newVerifyError(
 			"Invalid Attribute",
 			"attribute must be one of: OnTheWay, InStock, Sold, Discontinued",
-			"/data/attributes/brand")
+			"/data/attributes/status")
 		verifyErrors = append(verifyErrors, newErr)
 	}
 

internal/resource/resource_car.go

@@ -19,8 +19,8 @@ type CarResource struct {
 
 // FindAll to satisfy api2go data source interface
 func (s CarResource) FindAll(r api2go.Request) (api2go.Responder, error) {
-	var result []model.Car
 	cars := s.CarStorage.GetAll()
+	result := make([]model.Car, 0, len(cars))
 
 	for _, car := range cars {
 		result = append(result, *car)
@@ -106,7 +106,6 @@ func (s CarResource) PaginatedFindAll(r api2go.Request) (uint, api2go.Responder,
 }
 
 // FindOne to satisfy `api2go.DataSource` interface
-// this method should return the car with the given ID, otherwise an error
 func (s CarResource) FindOne(ID string, r api2go.Request) (api2go.Responder, error) {
 	car, err := s.CarStorage.GetOne(ID)
 	if err != nil {