route logging improvement: group by methods

Former-commit-id: ad884991433a244dc76bdad7314d98a5c204dac6

_examples/mvc/grpc-compatible/main.go

@@ -32,7 +32,7 @@ func main() {
 func newApp() *iris.Application {
 	app := iris.New()
 	// app.Configure(iris.WithLowercaseRouting) // OPTIONAL.
-	app.Logger().SetLevel("debug").SetTimeFormat("")
+	app.Logger().SetLevel("debug")
 
 	app.Get("/", func(ctx iris.Context) {
 		ctx.HTML("<h1>Index Page</h1>")

_examples/routing/main.go

@@ -93,6 +93,8 @@ func registerSubdomains(app *iris.Application) {
 
 func newApp() *iris.Application {
 	app := iris.New()
+	app.Logger().SetLevel("debug")
+
 	registerErrors(app)
 	registerGamesRoutes(app)
 	registerSubdomains(app)

_examples/routing/overview/main.go

@@ -6,7 +6,7 @@ import (
 
 func main() {
 	app := iris.New()
-	app.Logger().SetLevel("debug").SetTimeFormat("")
+	app.Logger().SetLevel("debug")
 
 	// GET: http://localhost:8080
 	app.Get("/", info)

core/router/api_builder.go

@@ -26,13 +26,13 @@ const MethodNone = "NONE"
 // "PATCH", "OPTIONS", "TRACE".
 var AllMethods = []string{
 	http.MethodGet,
-	http.MethodPost,
-	http.MethodPut,
-	http.MethodDelete,
-	http.MethodConnect,
 	http.MethodHead,
 	http.MethodPatch,
+	http.MethodPut,
+	http.MethodPost,
+	http.MethodDelete,
 	http.MethodOptions,
+	http.MethodConnect,
 	http.MethodTrace,
 }
 

core/router/handler.go

@@ -153,8 +153,33 @@ func (h *routerHandler) Build(provider RoutesProvider) error {
 				continue
 			}
 		}
+	}
+
+	if golog.Default.Level == golog.DebugLevel {
+		// group routes by method and print them without the [DBUG] and time info,
+		// the route logs are colorful.
+		// Note: don't use map, we need to keep registered order, use
+		// different slices for each method.
+		collect := func(method string) (methodRoutes []*Route) {
+			for _, r := range registeredRoutes {
+				if r.Method == method {
+					methodRoutes = append(methodRoutes, r)
+				}
+			}
+
+			return
+		}
+
+		bckpTimeFormat := golog.Default.TimeFormat
+		defer golog.SetTimeFormat(bckpTimeFormat)
+		golog.SetTimeFormat("")
 
-		golog.Debugf(r.Trace()) // keep log different parameter types in the same path as different routes.
+		for _, method := range AllMethods {
+			methodRoutes := collect(method)
+			for _, r := range methodRoutes {
+				golog.Println(r.Trace())
+			}
+		}
 	}
 
 	return errgroup.Check(rp)