136 lines
3.3 KiB
Go
136 lines
3.3 KiB
Go
package handlers
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import (
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"html/template"
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"log"
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"net/http"
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"shop/internal/auth"
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"shop/internal/repository"
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)
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type AdminHandler struct {
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repo *repository.AdminRepository
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products *repository.ProductRepository
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session *auth.Session
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templates *template.Template
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}
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type adminLoginData struct {
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Title string
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Error string
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Email string
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}
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type adminDashboardData struct {
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Title string
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Email string
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ProductCount int
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Categories interface{}
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}
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func NewAdminHandler(
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adminRepo *repository.AdminRepository,
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productRepo *repository.ProductRepository,
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session *auth.Session,
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templates *template.Template,
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) *AdminHandler {
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return &AdminHandler{
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repo: adminRepo,
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products: productRepo,
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session: session,
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templates: templates,
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}
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}
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func (h *AdminHandler) LoginPage(w http.ResponseWriter, r *http.Request) {
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if email, ok := h.session.FromRequest(r); ok && email != "" {
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http.Redirect(w, r, "/admin/", http.StatusSeeOther)
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return
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}
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data := adminLoginData{Title: "Вход в админку"}
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w.Header().Set("Content-Type", "text/html; charset=utf-8")
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_ = h.templates.ExecuteTemplate(w, "admin_login.html", data)
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}
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func (h *AdminHandler) Login(w http.ResponseWriter, r *http.Request) {
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if err := r.ParseForm(); err != nil {
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http.Error(w, "Bad Request", http.StatusBadRequest)
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return
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}
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email := r.FormValue("email")
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password := r.FormValue("password")
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ok, err := h.repo.Authenticate(r.Context(), email, password)
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if err != nil {
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log.Printf("admin auth: %v", err)
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http.Error(w, "Internal Server Error", http.StatusInternalServerError)
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return
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}
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if !ok {
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h.renderLoginError(w, email, "Неверный email или пароль")
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return
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}
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token, err := h.session.Create(email)
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if err != nil {
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log.Printf("session: %v", err)
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http.Error(w, "Internal Server Error", http.StatusInternalServerError)
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return
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}
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h.session.SetCookie(w, r, token)
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http.Redirect(w, r, "/admin/", http.StatusSeeOther)
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}
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func (h *AdminHandler) Logout(w http.ResponseWriter, r *http.Request) {
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h.session.ClearCookie(w, r)
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http.Redirect(w, r, "/admin/login", http.StatusSeeOther)
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}
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func (h *AdminHandler) Dashboard(w http.ResponseWriter, r *http.Request) {
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email, ok := h.session.FromRequest(r)
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if !ok {
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http.Redirect(w, r, "/admin/login", http.StatusSeeOther)
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return
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}
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ctx := r.Context()
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products, err := h.products.Featured(ctx, 100)
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if err != nil {
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log.Printf("admin products: %v", err)
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http.Error(w, "Internal Server Error", http.StatusInternalServerError)
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return
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}
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categories, err := h.products.Categories(ctx)
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if err != nil {
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log.Printf("admin categories: %v", err)
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http.Error(w, "Internal Server Error", http.StatusInternalServerError)
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return
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}
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data := adminDashboardData{
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Title: "Админ-панель",
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Email: email,
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ProductCount: len(products),
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Categories: categories,
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}
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w.Header().Set("Content-Type", "text/html; charset=utf-8")
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_ = h.templates.ExecuteTemplate(w, "admin_dashboard.html", data)
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}
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func (h *AdminHandler) renderLoginError(w http.ResponseWriter, email, msg string) {
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data := adminLoginData{
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Title: "Вход в админку",
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Error: msg,
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Email: email,
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}
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w.Header().Set("Content-Type", "text/html; charset=utf-8")
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w.WriteHeader(http.StatusUnauthorized)
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_ = h.templates.ExecuteTemplate(w, "admin_login.html", data)
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}
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