feat: one-page panel - shell with Машины, Терминал and Настройки, pages as fragments, forms sent in place

internal/server/handlers_panel.go

@@ -112,11 +112,12 @@ func (s *Server) handleLogout(w http.ResponseWriter, r *http.Request) {
 // --- dashboard ---
 
 func (s *Server) handleDashboard(w http.ResponseWriter, r *http.Request) {
-	agents, err := s.db.ListAgents()
-	if err != nil {
-		http.Error(w, "internal error", http.StatusInternalServerError)
-		return
-	}
+	s.renderPage(w, r, "dashboard", s.dashboardData(r))
+}
+
+// dashboardData is the machines list as the user may see it.
+func (s *Server) dashboardData(r *http.Request) map[string]any {
+	agents, _ := s.db.ListAgents()
 	type row struct {
 		Agent
 		Online bool
@@ -131,12 +132,12 @@ func (s *Server) handleDashboard(w http.ResponseWriter, r *http.Request) {
 		on := s.online(&a)
 		rows = append(rows, row{Agent: a, Online: on, Seen: seenText(on, a.LastSeen)})
 	}
-	s.render(w, "dashboard.html", map[string]any{
+	return map[string]any{
 		"Admin":   me,
 		"IsAdmin": me.IsAdmin(),
 		"Agents":  rows,
 		"CSRF":    csrfToken(r),
-	})
+	}
 }
 
 // seenText is the "activity" cell: a connected agent is active now, whatever
@@ -239,7 +240,7 @@ func (s *Server) handleAgentEdit(w http.ResponseWriter, r *http.Request) {
 			data["UsersErr"] = err.Error()
 		}
 	}
-	s.render(w, "edit.html", data)
+	s.renderPage(w, r, "edit", data)
 }
 
 // POST /agents/{id}/transport - how the agent is to reach the server: auto,
@@ -434,7 +435,7 @@ func (s *Server) handleSettings(w http.ResponseWriter, r *http.Request) {
 	code := s.db.InstallCode()
 	ufwInstalled, ufwActive, ufwRunnable := s.ufw.status()
 	ufwRules, _ := s.db.ListUfwRules()
-	s.render(w, "settings.html", map[string]any{
+	s.renderPage(w, r, "settings", map[string]any{
 		"Admin":         s.currentAdmin(r),
 		"Host":          host,
 		"Direct":        direct,