mirror of
https://github.com/kataras/iris.git
synced 2025-01-23 18:51:03 +01:00
103 lines
2.6 KiB
Go
103 lines
2.6 KiB
Go
package main
|
|
|
|
import (
|
|
"fmt"
|
|
|
|
"github.com/kataras/iris"
|
|
"github.com/kataras/iris/sessions"
|
|
|
|
"github.com/kataras/iris/mvc"
|
|
)
|
|
|
|
func main() {
|
|
app := iris.New()
|
|
app.Logger().SetLevel("debug")
|
|
mvc.Configure(app.Party("/todo"), TodoApp)
|
|
|
|
app.Run(iris.Addr(":8080"))
|
|
}
|
|
|
|
func TodoApp(app *mvc.Application) {
|
|
// You can use normal middlewares at MVC apps of course.
|
|
app.Router.Use(func(ctx iris.Context) {
|
|
ctx.Application().Logger().Infof("Path: %s", ctx.Path())
|
|
ctx.Next()
|
|
})
|
|
|
|
// Register dependencies which will be binding to the controller(s),
|
|
// can be either a function which accepts an iris.Context and returns a single value (dynamic binding)
|
|
// or a static struct value (service).
|
|
app.Register(
|
|
sessions.New(sessions.Config{}).Start,
|
|
&prefixedLogger{prefix: "DEV"},
|
|
)
|
|
|
|
// GET: http://localhost:8080/todo
|
|
// GET: http://localhost:8080/todo/custom
|
|
app.Handle(new(TodoController))
|
|
|
|
// All dependencies of the parent *mvc.Application
|
|
// are cloned to this new child,
|
|
// thefore it has access to the same session as well.
|
|
// GET: http://localhost:8080/todo/sub
|
|
app.Party("/sub").
|
|
Handle(new(TodoSubController))
|
|
}
|
|
|
|
// If controller's fields (or even its functions) expecting an interface
|
|
// but a struct value is binded then it will check
|
|
// if that struct value implements
|
|
// the interface and if true then it will add this to the
|
|
// available bindings, as expected, before the server ran of course,
|
|
// remember? Iris always uses the best possible way to reduce load
|
|
// on serving web resources.
|
|
|
|
type LoggerService interface {
|
|
Log(string)
|
|
}
|
|
|
|
type prefixedLogger struct {
|
|
prefix string
|
|
}
|
|
|
|
func (s *prefixedLogger) Log(msg string) {
|
|
fmt.Printf("%s: %s\n", s.prefix, msg)
|
|
}
|
|
|
|
type TodoController struct {
|
|
Logger LoggerService
|
|
|
|
Session *sessions.Session
|
|
}
|
|
|
|
func (c *TodoController) BeforeActivation(b mvc.BeforeActivation) {
|
|
b.Handle("GET", "/custom", "Custom")
|
|
}
|
|
|
|
func (c *TodoController) AfterActivation(a mvc.AfterActivation) {
|
|
if a.Singleton() {
|
|
panic("TodoController should be stateless, a request-scoped, we have a 'Session' which depends on the context.")
|
|
}
|
|
}
|
|
|
|
func (c *TodoController) Get() string {
|
|
count := c.Session.Increment("count", 1)
|
|
|
|
body := fmt.Sprintf("Hello from TodoController\nTotal visits from you: %d", count)
|
|
c.Logger.Log(body)
|
|
return body
|
|
}
|
|
|
|
func (c *TodoController) Custom() string {
|
|
return "custom"
|
|
}
|
|
|
|
type TodoSubController struct {
|
|
Session *sessions.Session
|
|
}
|
|
|
|
func (c *TodoSubController) Get() string {
|
|
count, _ := c.Session.GetIntDefault("count", 1)
|
|
return fmt.Sprintf("Hello from TodoSubController.\nRead-only visits count: %d", count)
|
|
}
|