Files
shop-go/internal/handlers/home.go
T

88 lines
1.8 KiB
Go

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"}`))
}