Add admin panel: visit counter, product editor, screenshots upload

internal/handlers/home.go

@@ -6,6 +6,7 @@ import (
 	"io/fs"
 	"log"
 	"net/http"
+	"regexp"
 
 	"shop/internal/repository"
 )
@@ -18,6 +19,7 @@ var staticFS embed.FS
 
 type HomeHandler struct {
 	repo      *repository.ProductRepository
+	stats     *repository.StatsRepository
 	templates *template.Template
 }
 
@@ -27,12 +29,21 @@ type homePageData struct {
 	Categories interface{}
 }
 
-func NewHomeHandler(repo *repository.ProductRepository) (*HomeHandler, error) {
-	tmpl, err := template.ParseFS(templateFS, "templates/*.html")
+func NewHomeHandler(repo *repository.ProductRepository, stats *repository.StatsRepository) (*HomeHandler, error) {
+	funcMap := template.FuncMap{
+		"plain": stripHTML,
+	}
+	tmpl, err := template.New("").Funcs(funcMap).ParseFS(templateFS, "templates/*.html")
 	if err != nil {
 		return nil, err
 	}
-	return &HomeHandler{repo: repo, templates: tmpl}, nil
+	return &HomeHandler{repo: repo, stats: stats, templates: tmpl}, nil
+}
+
+var tagRe = regexp.MustCompile(`<[^>]*>`)
+
+func stripHTML(s string) string {
+	return tagRe.ReplaceAllString(s, "")
 }
 
 func (h *HomeHandler) Templates() *template.Template {
@@ -55,6 +66,10 @@ func (h *HomeHandler) Home(w http.ResponseWriter, r *http.Request) {
 
 	ctx := r.Context()
 
+	if err := h.stats.IncrementHomeVisit(ctx); err != nil {
+		log.Printf("visit counter: %v", err)
+	}
+
 	products, err := h.repo.Featured(ctx, 8)
 	if err != nil {
 		log.Printf("featured products: %v", err)