Add full shop application: Go backend, PostgreSQL, Docker, Caddy and admin panel.

internal/handlers/home.go

@@ -0,0 +1,87 @@
+package handlers
+
+import (
+	"embed"
+	"html/template"
+	"io/fs"
+	"log"
+	"net/http"
+
+	"shop/internal/repository"
+)
+
+//go:embed templates/*
+var templateFS embed.FS
+
+//go:embed static/*
+var staticFS embed.FS
+
+type HomeHandler struct {
+	repo      *repository.ProductRepository
+	templates *template.Template
+}
+
+type homePageData struct {
+	Title      string
+	Products   interface{}
+	Categories interface{}
+}
+
+func NewHomeHandler(repo *repository.ProductRepository) (*HomeHandler, error) {
+	tmpl, err := template.ParseFS(templateFS, "templates/*.html")
+	if err != nil {
+		return nil, err
+	}
+	return &HomeHandler{repo: repo, templates: tmpl}, nil
+}
+
+func (h *HomeHandler) Templates() *template.Template {
+	return h.templates
+}
+
+func (h *HomeHandler) Static() http.Handler {
+	sub, err := fs.Sub(staticFS, "static")
+	if err != nil {
+		log.Fatal(err)
+	}
+	return http.FileServer(http.FS(sub))
+}
+
+func (h *HomeHandler) Home(w http.ResponseWriter, r *http.Request) {
+	if r.URL.Path != "/" {
+		http.NotFound(w, r)
+		return
+	}
+
+	ctx := r.Context()
+
+	products, err := h.repo.Featured(ctx, 8)
+	if err != nil {
+		log.Printf("featured products: %v", err)
+		http.Error(w, "Internal Server Error", http.StatusInternalServerError)
+		return
+	}
+
+	categories, err := h.repo.Categories(ctx)
+	if err != nil {
+		log.Printf("categories: %v", err)
+		http.Error(w, "Internal Server Error", http.StatusInternalServerError)
+		return
+	}
+
+	data := homePageData{
+		Title:      "Shop — Интернет-магазин",
+		Products:   products,
+		Categories: categories,
+	}
+
+	w.Header().Set("Content-Type", "text/html; charset=utf-8")
+	if err := h.templates.ExecuteTemplate(w, "home.html", data); err != nil {
+		log.Printf("render: %v", err)
+	}
+}
+
+func (h *HomeHandler) Health(w http.ResponseWriter, r *http.Request) {
+	w.Header().Set("Content-Type", "application/json")
+	w.Write([]byte(`{"status":"ok"}`))
+}