Update to version 8.5.0 | NEW: MVC Output Result | Read HISTORY.md

Former-commit-id: 6a3579f2500fc715d7dc606478960946dcade61d

_examples/mvc/using-method-result/controllers/hello_controller.go

@@ -0,0 +1,60 @@
+// file: controllers/hello_controller.go
+
+package controllers
+
+import (
+	"errors"
+
+	"github.com/kataras/iris/mvc"
+)
+
+// HelloController is our sample controller
+// it handles GET: /hello and GET: /hello/{name}
+type HelloController struct {
+	mvc.C
+}
+
+var helloView = mvc.View{
+	Name: "hello/index.html",
+	Data: map[string]interface{}{
+		"Title":     "Hello Page",
+		"MyMessage": "Welcome to my awesome website",
+	},
+}
+
+// Get will return a predefined view with bind data.
+//
+// `mvc.Result` is just an interface with a `Dispatch` function.
+// `mvc.Response` and `mvc.View` are the built'n result type dispatchers
+// you can even create custom response dispatchers by
+// implementing the `github.com/kataras/iris/mvc#Result` interface.
+func (c *HelloController) Get() mvc.Result {
+	return helloView
+}
+
+// you can define a standard error in order to be re-usable anywhere in your app.
+var errBadName = errors.New("bad name")
+
+// you can just return it as error or even better
+// wrap this error with an mvc.Response to make it an mvc.Result compatible type.
+var badName = mvc.Response{Err: errBadName, Code: 400}
+
+// GetBy returns a "Hello {name}" response.
+// Demos:
+// curl -i http://localhost:8080/hello/iris
+// curl -i http://localhost:8080/hello/anything
+func (c *HelloController) GetBy(name string) mvc.Result {
+	if name != "iris" {
+		return badName
+		// or
+		// GetBy(name string) (mvc.Result, error) {
+		//	return nil, errBadName
+		// }
+	}
+
+	// return mvc.Response{Text: "Hello " + name} OR:
+	return mvc.View{
+		Name: "hello/name.html",
+		Data: name,
+	}
+}