mirror of
https://github.com/kataras/iris.git
synced 2025-01-23 18:51:03 +01:00
127 lines
3.8 KiB
Go
127 lines
3.8 KiB
Go
package main
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import (
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"github.com/kataras/iris/v12"
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)
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// User is just a bindable object structure.
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type User struct {
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Username string `json:"username"`
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Firstname string `json:"firstname"`
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Lastname string `json:"lastname"`
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City string `json:"city"`
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Age int `json:"age"`
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}
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func main() {
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app := iris.New()
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app.Logger().SetLevel("debug")
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// app.Logger().SetLevel("disable") to disable the logger.
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// Define templates using the std html/template engine.
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// Parse and load all files inside "./views" folder with ".html" file extension.
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// Reload the templates on each request (development mode).
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app.RegisterView(iris.HTML("./views", ".html").Reload(true))
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// Register custom handler for specific http errors.
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app.OnErrorCode(iris.StatusInternalServerError, func(ctx iris.Context) {
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// .Values are used to communicate between handlers, middleware.
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errMessage := ctx.Values().GetString("error")
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if errMessage != "" {
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ctx.Writef("Internal server error: %s", errMessage)
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return
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}
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ctx.Writef("(Unexpected) internal server error")
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})
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app.Use(func(ctx iris.Context) {
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ctx.Application().Logger().Infof("Begin request for path: %s", ctx.Path())
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ctx.Next()
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})
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// app.Done(func(ctx iris.Context) {]})
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// POST: scheme://mysubdomain.$domain.com/decode
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app.Subdomain("mysubdomain.").Post("/decode", func(ctx iris.Context) {})
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// Method POST: http://localhost:8080/decode
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app.Post("/decode", func(ctx iris.Context) {
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var user User
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ctx.ReadJSON(&user)
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ctx.Writef("%s %s is %d years old and comes from %s", user.Firstname, user.Lastname, user.Age, user.City)
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})
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// Method GET: http://localhost:8080/encode
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app.Get("/encode", func(ctx iris.Context) {
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doe := User{
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Username: "Johndoe",
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Firstname: "John",
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Lastname: "Doe",
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City: "Neither FBI knows!!!",
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Age: 25,
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}
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ctx.JSON(doe)
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})
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// Method GET: http://localhost:8080/profile/anytypeofstring
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app.Get("/profile/{username:string}", profileByUsername)
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usersRoutes := app.Party("/users", logThisMiddleware)
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{
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// Method GET: http://localhost:8080/users/42
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usersRoutes.Get("/{id:int min(1)}", getUserByID)
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// Method POST: http://localhost:8080/users/create
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usersRoutes.Post("/create", createUser)
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}
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app.Get("/", func(ctx iris.Context) {
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ctx.HTML("<html><head></head><body><ul>")
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for _, link := range []string{"/encode", "/profile/username", "/users/42"} {
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ctx.HTML(`<li><a href="%s">%s</a></li>`, link, link)
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}
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ctx.HTML("</ul></body></html>")
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})
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// Listen for incoming HTTP/1.x & HTTP/2 clients on localhost port 8080.
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app.Listen(":8080", iris.WithCharset("UTF-8"))
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}
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func logThisMiddleware(ctx iris.Context) {
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ctx.Application().Logger().Infof("Path: %s | IP: %s", ctx.Path(), ctx.RemoteAddr())
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// .Next is required to move forward to the chain of handlers,
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// if missing then it stops the execution at this handler.
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ctx.Next()
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}
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func profileByUsername(ctx iris.Context) {
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// .Params are used to get dynamic path parameters.
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username := ctx.Params().Get("username")
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ctx.ViewData("Username", username)
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// renders "./views/user/profile.html"
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// with {{ .Username }} equals to the username dynamic path parameter.
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ctx.View("user/profile.html")
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}
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func getUserByID(ctx iris.Context) {
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userID := ctx.Params().Get("id") // Or convert directly using: .Values().GetInt/GetInt64 etc...
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// your own db fetch here instead of user :=...
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user := User{Username: "username" + userID}
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ctx.XML(user)
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}
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func createUser(ctx iris.Context) {
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var user User
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err := ctx.ReadForm(&user)
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if err != nil {
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ctx.Values().Set("error", "creating user, read and parse form failed. "+err.Error())
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ctx.StatusCode(iris.StatusInternalServerError)
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return
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}
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// renders "./views/user/create_verification.html"
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// with {{ . }} equals to the User object, i.e {{ .Username }} , {{ .Firstname}} etc...
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ctx.ViewData("", user)
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ctx.View("user/create_verification.html")
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}
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