Router: add prefix group interface and implementation

framework/core.go

@@ -51,6 +51,7 @@ func (c *Core) Delete(url string, handler ControllerHandler) {
 	c.router["DELETE"][upperUrl] = handler
 }
 
+// FindRouteByRequest finds route using the request
 func (c *Core) FindRouteByRequest(r *http.Request) ControllerHandler {
 	upperUri := strings.ToUpper(r.URL.Path)
 	upperMethod := strings.ToUpper(r.Method)
@@ -70,6 +71,13 @@ func (c *Core) FindRouteByRequest(r *http.Request) ControllerHandler {
 	return controller
 }
 
+func (c *Core) Group(prefix string) IGroup {
+	return &Group{
+		core:   c,
+		prefix: prefix,
+	}
+}
+
 // ServeHTTP implements the Handler interface
 func (c *Core) ServeHTTP(w http.ResponseWriter, r *http.Request) {
 	log.Println("Welcome to the Araneae framework")

framework/group.go

@@ -0,0 +1,43 @@
+package framework
+
+// IGroup prefix routes
+type IGroup interface {
+	Get(string, ControllerHandler)
+	Post(string, ControllerHandler)
+	Put(string, ControllerHandler)
+	Delete(string, ControllerHandler)
+}
+
+// Group is the implementation of IGroup interface
+type Group struct {
+	core   *Core
+	prefix string
+}
+
+// NewGroup create a new prefix group
+func NewGroup(core *Core, prefix string) *Group {
+	return &Group{
+		core:   core,
+		prefix: prefix,
+	}
+}
+
+// Get is a simple get router of the group
+func (g *Group) Get(url string, handler ControllerHandler) {
+	g.core.Get(g.prefix+url, handler)
+}
+
+// Post is a simple post router of the group
+func (g *Group) Post(url string, handler ControllerHandler) {
+	g.core.Post(g.prefix+url, handler)
+}
+
+// Put is a simple put router of the group
+func (g *Group) Put(url string, handler ControllerHandler) {
+	g.core.Put(g.prefix+url, handler)
+}
+
+// Delete is a simple delete router of the group
+func (g *Group) Delete(url string, handler ControllerHandler) {
+	g.core.Delete(g.prefix+url, handler)
+}

routes.go

@@ -4,4 +4,6 @@ import "git.vinchent.xyz/vinchent/go-web/framework"
 
 func registerRouter(core *framework.Core) {
 	core.Get("/foo", FooControllerHandler)
+	barGroup := core.Group("/bar")
+	barGroup.Get("/foo", FooControllerHandler)
 }