Separate group file

Co-Authored-By: RW <renewerner87@googlemail.com>

group.go

@@ -0,0 +1,112 @@
+// ⚡️ Fiber is an Express inspired web framework written in Go with ☕️
+// 🤖 Github Repository: https://github.com/gofiber/fiber
+// 📌 API Documentation: https://docs.gofiber.io
+
+package fiber
+
+import (
+	"log"
+	"reflect"
+)
+
+// Group struct
+type Group struct {
+	app    *App
+	prefix string
+}
+
+// Use registers a middleware route.
+// Middleware matches requests beginning with the provided prefix.
+// Providing a prefix is optional, it defaults to "/".
+//
+// - app.Use(handler)
+// - app.Use("/api", handler)
+// - app.Use("/api", handler, handler)
+func (grp *Group) Use(args ...interface{}) *Route {
+	var path = ""
+	var handlers []func(*Ctx)
+	for i := 0; i < len(args); i++ {
+		switch arg := args[i].(type) {
+		case string:
+			path = arg
+		case func(*Ctx):
+			handlers = append(handlers, arg)
+		default:
+			log.Fatalf("Use: Invalid func(c *fiber.Ctx) handler %v", reflect.TypeOf(arg))
+		}
+	}
+	return grp.app.register("USE", getGroupPath(grp.prefix, path), handlers...)
+}
+
+// Get ...
+func (grp *Group) Get(path string, handlers ...func(*Ctx)) *Route {
+	return grp.Add(MethodGet, path, handlers...)
+}
+
+// Head ...
+func (grp *Group) Head(path string, handlers ...func(*Ctx)) *Route {
+	return grp.Add(MethodHead, path, handlers...)
+}
+
+// Post ...
+func (grp *Group) Post(path string, handlers ...func(*Ctx)) *Route {
+	return grp.Add(MethodPost, path, handlers...)
+}
+
+// Put ...
+func (grp *Group) Put(path string, handlers ...func(*Ctx)) *Route {
+	return grp.Add(MethodPut, path, handlers...)
+}
+
+// Delete ...
+func (grp *Group) Delete(path string, handlers ...func(*Ctx)) *Route {
+	return grp.Add(MethodDelete, path, handlers...)
+}
+
+// Connect ...
+func (grp *Group) Connect(path string, handlers ...func(*Ctx)) *Route {
+	return grp.Add(MethodConnect, path, handlers...)
+}
+
+// Options ...
+func (grp *Group) Options(path string, handlers ...func(*Ctx)) *Route {
+	return grp.Add(MethodOptions, path, handlers...)
+}
+
+// Trace ...
+func (grp *Group) Trace(path string, handlers ...func(*Ctx)) *Route {
+	return grp.Add(MethodTrace, path, handlers...)
+}
+
+// Patch ...
+func (grp *Group) Patch(path string, handlers ...func(*Ctx)) *Route {
+	return grp.Add(MethodPatch, path, handlers...)
+}
+
+// Add ...
+func (grp *Group) Add(method, path string, handlers ...func(*Ctx)) *Route {
+	return grp.app.register(method, getGroupPath(grp.prefix, path), handlers...)
+}
+
+// Static ...
+func (grp *Group) Static(prefix, root string, config ...Static) *Route {
+	return grp.app.registerStatic(getGroupPath(grp.prefix, prefix), root, config...)
+}
+
+// All ...
+func (grp *Group) All(path string, handlers ...func(*Ctx)) []*Route {
+	routes := make([]*Route, len(methodINT))
+	for method, i := range methodINT {
+		routes[i] = grp.Add(method, path, handlers...)
+	}
+	return routes
+}
+
+// Group is used for Routes with common prefix to define a new sub-router with optional middleware.
+func (grp *Group) Group(prefix string, handlers ...func(*Ctx)) *Group {
+	prefix = getGroupPath(grp.prefix, prefix)
+	if len(handlers) > 0 {
+		grp.app.register("USE", prefix, handlers...)
+	}
+	return grp.app.Group(prefix, handlers...)
+}