Create httpHandler.go

httpHandler.go

@@ -0,0 +1,55 @@
+package rui
+
+import (
+	"net/http"
+	"strings"
+)
+
+type httpHandler struct {
+	app    *application
+	prefix string
+}
+
+func (h *httpHandler) ServeHTTP(w http.ResponseWriter, req *http.Request) {
+	switch req.Method {
+	case http.MethodGet:
+		path := `/` + strings.TrimPrefix(req.URL.Path, `/`)
+		req.URL.Path = `/` + strings.TrimPrefix(strings.TrimPrefix(path, h.prefix), `/`)
+
+		h.app.ServeHTTP(w, req)
+	}
+}
+
+/*
+NewHandler is used to embed the rui application in third-party web frameworks (net/http, gin, echo...).
+Example for echo:
+
+	e := echo.New()
+	e.Any(`/ui/*`, func()echo.HandlerFunc{
+		rui.AddEmbedResources(&resources)
+
+		h := rui.NewHandler("/ui", CreateSessionContent, rui.AppParams{
+			Title: `Awesome app`,
+			Icon: `favicon.png`,
+		})
+
+		return func(c echo.Context) error {
+			h.ServeHTTP(c.Response(), c.Request())
+			return nil
+		}
+	})
+*/
+func NewHandler(urlPrefix string, createContentFunc func(Session) SessionContent, params AppParams) *httpHandler {
+	app := new(application)
+	app.params = params
+	app.sessions = map[int]Session{}
+	app.createContentFunc = createContentFunc
+	apps = append(apps, app)
+
+	h := &httpHandler{
+		app:    app,
+		prefix: `/` + strings.Trim(urlPrefix, `/`),
+	}
+
+	return h
+}