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// file: web/controllers/hello_controller.go
package controllers
import (
// HelloController is our sample controller
// it handles GET: /hello and GET: /hello/{name}
type HelloController struct{}
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 `` interface.
func (c *HelloController) Get() mvc.Result {
return helloView
// you can define a standard error in order to re-use 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,
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