fix: move implementation to "internal" package

internal/handler/render.go

@@ -0,0 +1,52 @@
+package handler
+
+import (
+	"spend-sparrow/internal/log"
+	"spend-sparrow/internal/template"
+	"spend-sparrow/internal/template/auth"
+	"spend-sparrow/internal/types"
+
+	"net/http"
+
+	"github.com/a-h/templ"
+)
+
+type Render struct {
+}
+
+func NewRender() *Render {
+	return &Render{}
+}
+
+func (render *Render) RenderWithStatus(r *http.Request, w http.ResponseWriter, comp templ.Component, status int) {
+	w.Header().Set("Content-Type", "text/html")
+	w.WriteHeader(status)
+	err := comp.Render(r.Context(), w)
+	if err != nil {
+		log.Error("Failed to render layout: %v", err)
+		http.Error(w, "Internal Server Error", http.StatusInternalServerError)
+	}
+}
+
+func (render *Render) Render(r *http.Request, w http.ResponseWriter, comp templ.Component) {
+	render.RenderWithStatus(r, w, comp, http.StatusOK)
+}
+
+func (render *Render) RenderLayout(r *http.Request, w http.ResponseWriter, slot templ.Component, user *types.User) {
+	render.RenderLayoutWithStatus(r, w, slot, user, http.StatusOK)
+}
+
+func (render *Render) RenderLayoutWithStatus(r *http.Request, w http.ResponseWriter, slot templ.Component, user *types.User, status int) {
+	userComp := render.getUserComp(user)
+	layout := template.Layout(slot, userComp, user != nil, r.URL.Path)
+
+	render.RenderWithStatus(r, w, layout, status)
+}
+
+func (render *Render) getUserComp(user *types.User) templ.Component {
+	if user != nil {
+		return auth.UserComp(user.Email)
+	} else {
+		return auth.UserComp("")
+	}
+}