Add htmx route using standard lib gi

htmx_route.go

@@ -0,0 +1,74 @@
+package ersteller_lib
+
+import (
+	"maragu.dev/gomponents"
+	htmx "maragu.dev/gomponents-htmx"
+	"net/http"
+)
+
+type HtmxContext interface {
+	Render(node gomponents.Node)
+}
+
+type HtmxContextImpl struct {
+	req *http.Request
+	res http.ResponseWriter
+}
+
+func NewHtmxContext(req *http.Request, res http.ResponseWriter) HtmxContext {
+	return &HtmxContextImpl{req: req, res: res}
+}
+
+func (w *HtmxContextImpl) Render(node gomponents.Node) {
+	err := node.Render(w.res)
+	if err != nil {
+		Error("failed to render", err)
+		_, writeErr := w.res.Write([]byte(err.Error()))
+		if writeErr != nil {
+			Error("failed to write error", writeErr)
+		}
+		w.res.WriteHeader(500)
+	}
+}
+
+type HtmxRouteFunc func(ctx HtmxContext)
+
+type HtmxPathParam struct {
+	Key   string
+	Value string
+}
+
+type HtmxRoute interface {
+	WithPathParams(params ...HtmxPathParam) HtmxRoute
+	ToUrl(queryParams ...HtmxPathParam) string
+	GetHtmx(queryParams ...HtmxPathParam) gomponents.Node
+}
+
+type HtmxGetRoute struct {
+	Path       string
+	RouteFunc  HtmxRouteFunc
+	PathParams []HtmxPathParam
+}
+
+func NewHtmxGetRoute(path string, routeFunc HtmxRouteFunc) *HtmxGetRoute {
+	return &HtmxGetRoute{Path: path, RouteFunc: routeFunc}
+}
+
+func (h HtmxGetRoute) Add(server *http.ServeMux) {
+	server.HandleFunc("GET "+h.Path, func(res http.ResponseWriter, req *http.Request) {
+		h.RouteFunc(NewHtmxContext(req, res))
+	})
+}
+
+func (h HtmxGetRoute) WithPathParams(params ...HtmxPathParam) HtmxRoute {
+	h.PathParams = params
+	return h
+}
+
+func (h HtmxGetRoute) ToUrl(queryParams ...HtmxPathParam) string {
+	return h.Path
+}
+
+func (h HtmxGetRoute) GetHtmx(queryParams ...HtmxPathParam) gomponents.Node {
+	return htmx.Get(h.ToUrl(queryParams...))
+}