New external site management. New external prober heartbeat feature.

internal/dashboard/handlers_sites.go

@@ -8,26 +8,12 @@ import (
 
 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
+	Items []siteDTO // dynamic length — as many slots as configured, no fixed cap
 }
 
 func (s *Server) handleSitesPage(w http.ResponseWriter, r *http.Request) {
 	items, err := s.CA.ListSites(r.Context())
-	data := sitesPageData{Items: fillSlots(items)}
+	data := sitesPageData{Items: items}
 	data.ActiveNav = "sites"
 	data.Banner = bannerFor(err)
 	s.renderPage(w, "sites_page", data)
@@ -38,7 +24,26 @@ func (s *Server) renderSitesTable(w http.ResponseWriter, r *http.Request, action
 	if actionErr == nil {
 		actionErr = listErr
 	}
-	s.renderFragment(w, "sites_table", sitesPageData{Items: fillSlots(items)}, actionErr)
+	s.renderFragment(w, "sites_table", sitesPageData{Items: items}, actionErr)
+}
+
+// handleSiteCreate adds a brand-new slot via the "add site" form — same
+// create-alongside-update pattern as /targets' handleTargetCreate, just
+// backed by the same PutSite call the per-row form already uses (there's
+// no separate "create" endpoint on control-api since PUT is already an
+// upsert).
+func (s *Server) handleSiteCreate(w http.ResponseWriter, r *http.Request) {
+	if err := r.ParseForm(); err != nil {
+		s.renderSitesTable(w, r, fmt.Errorf("invalid form: %w", err))
+		return
+	}
+	index, convErr := strconv.Atoi(r.PostFormValue("index"))
+	if convErr != nil {
+		s.renderSitesTable(w, r, &apiErr{Status: http.StatusBadRequest, Message: "index должен быть числом"})
+		return
+	}
+	err := s.CA.PutSite(r.Context(), index, r.PostFormValue("site_id"))
+	s.renderSitesTable(w, r, err)
 }
 
 func (s *Server) handleSitePut(w http.ResponseWriter, r *http.Request) {