admin control features and admin dashboard

internal/dashboard/handlers_sites.go

@@ -0,0 +1,66 @@
+package dashboard
+
+import (
+	"fmt"
+	"net/http"
+	"strconv"
+)
+
+type sitesPageData struct {
+	PageData
+	Items []siteDTO // always exactly 3 entries, index 1..3, SiteID=="" for an empty slot
+}
+
+// fillSlots pads control-api's response (which only lists assigned slots)
+// out to all three fixed slots, so the table always renders 3 rows.
+func fillSlots(sites []siteDTO) []siteDTO {
+	byIndex := make(map[int]string, len(sites))
+	for _, s := range sites {
+		byIndex[s.Index] = s.SiteID
+	}
+	out := make([]siteDTO, 3)
+	for i := 0; i < 3; i++ {
+		out[i] = siteDTO{Index: i + 1, SiteID: byIndex[i+1]}
+	}
+	return out
+}
+
+func (s *Server) handleSitesPage(w http.ResponseWriter, r *http.Request) {
+	items, err := s.CA.ListSites(r.Context())
+	data := sitesPageData{Items: fillSlots(items)}
+	data.ActiveNav = "sites"
+	data.Banner = bannerFor(err)
+	s.renderPage(w, "sites_page", data)
+}
+
+func (s *Server) renderSitesTable(w http.ResponseWriter, r *http.Request, actionErr error) {
+	items, listErr := s.CA.ListSites(r.Context())
+	if actionErr == nil {
+		actionErr = listErr
+	}
+	s.renderFragment(w, "sites_table", sitesPageData{Items: fillSlots(items)}, actionErr)
+}
+
+func (s *Server) handleSitePut(w http.ResponseWriter, r *http.Request) {
+	index, convErr := strconv.Atoi(r.PathValue("index"))
+	if convErr != nil {
+		s.renderSitesTable(w, r, &apiErr{Status: http.StatusBadRequest, Message: "index должен быть числом"})
+		return
+	}
+	if err := r.ParseForm(); err != nil {
+		s.renderSitesTable(w, r, fmt.Errorf("invalid form: %w", err))
+		return
+	}
+	err := s.CA.PutSite(r.Context(), index, r.PostFormValue("site_id"))
+	s.renderSitesTable(w, r, err)
+}
+
+func (s *Server) handleSiteDelete(w http.ResponseWriter, r *http.Request) {
+	index, convErr := strconv.Atoi(r.PathValue("index"))
+	if convErr != nil {
+		s.renderSitesTable(w, r, &apiErr{Status: http.StatusBadRequest, Message: "index должен быть числом"})
+		return
+	}
+	err := s.CA.DeleteSite(r.Context(), index)
+	s.renderSitesTable(w, r, err)
+}