Add device overview batch selection mode

internal/web/ui.go

@@ -60,6 +60,8 @@ type PageData struct {
 	Task              *models.Task
 	Templates         []service.Template
 	Template          *service.Template
+	SelectedDeviceIDs []string
+	SelectedQuery     string
 
 	RawJSON          string
 	RawText          string
@@ -329,46 +331,7 @@ func (u *UI) pageDashboard(w http.ResponseWriter, r *http.Request) {
 }
 
 func (u *UI) pageDevices(w http.ResponseWriter, r *http.Request) {
-	u.ensureDevicesLoaded()
+	u.render(w, r, "devices", u.deviceOverviewPageData(r, nil, ""))
-	devices := u.registry.GetDevices()
-	rows := make([]DeviceOverviewRow, 0, len(devices))
-	for _, dev := range devices {
-		row := DeviceOverviewRow{Device: dev}
-		status, _, err := u.loadConfigStatus(dev)
-		row.ConfigStatus = status
-		if err != nil {
-			row.ConfigStatusErr = err.Error()
-		}
-		rows = append(rows, row)
-	}
-	online := 0
-	attention := 0
-	for _, d := range devices {
-		if d.Online {
-			online++
-		} else {
-			attention++
-		}
-	}
-	failedTasks := 0
-	if u.tasks != nil {
-		for _, t := range u.tasks.ListTasks() {
-			if t.Status == models.TaskFailed {
-				failedTasks++
-			}
-		}
-	}
-	u.render(w, r, "devices", PageData{
-		Title:            "设备",
-		Devices:          devices,
-		DeviceRows:       rows,
-		DeviceCount:      len(devices),
-		OnlineCount:      online,
-		OfflineCount:     len(devices) - online,
-		RunningTaskCount: 0,
-		FailedTaskCount:  failedTasks,
-		FoundCount:       attention,
-	})
 }
 
 func (u *UI) pageDeviceAdd(w http.ResponseWriter, r *http.Request) {
@@ -438,14 +401,7 @@ func (u *UI) actionDevicesBatchAction(w http.ResponseWriter, r *http.Request) {
 	action := strings.TrimSpace(r.FormValue("action"))
 	deviceIDs := r.Form["device_id"]
 	if len(deviceIDs) == 0 {
-		devices := u.registry.GetDevices()
+		u.render(w, r, "devices", u.deviceOverviewPageData(r, nil, "请先选择设备"))
-		online := 0
-		for _, d := range devices {
-			if d.Online {
-				online++
-			}
-		}
-		u.render(w, r, "devices", PageData{Title: "设备", Devices: devices, DeviceCount: len(devices), OnlineCount: online, OfflineCount: len(devices) - online, Error: "请先选择设备"})
 		return
 	}
 
@@ -454,14 +410,7 @@ func (u *UI) actionDevicesBatchAction(w http.ResponseWriter, r *http.Request) {
 	case "media_start", "media_restart", "media_stop", "reload", "rollback":
 		typeStr = action
 	default:
-		devices := u.registry.GetDevices()
+		u.render(w, r, "devices", u.deviceOverviewPageData(r, deviceIDs, "不支持的操作: "+action))
-		online := 0
-		for _, d := range devices {
-			if d.Online {
-				online++
-			}
-		}
-		u.render(w, r, "devices", PageData{Title: "设备", Devices: devices, DeviceCount: len(devices), OnlineCount: online, OfflineCount: len(devices) - online, Error: "不支持的操作: " + action})
 		return
 	}
 
@@ -480,14 +429,7 @@ func (u *UI) actionDevicesBatchAction(w http.ResponseWriter, r *http.Request) {
 
 	task, err := u.tasks.CreateTask(typeStr, deviceIDs, payload)
 	if err != nil {
-		devices := u.registry.GetDevices()
+		u.render(w, r, "devices", u.deviceOverviewPageData(r, deviceIDs, err.Error()))
-		online := 0
-		for _, d := range devices {
-			if d.Online {
-				online++
-			}
-		}
-		u.render(w, r, "devices", PageData{Title: "设备", Devices: devices, DeviceCount: len(devices), OnlineCount: online, OfflineCount: len(devices) - online, Error: err.Error()})
 		return
 	}
 
@@ -1139,6 +1081,123 @@ func cleanFormList(values []string) []string {
 	return out
 }
 
+func selectedIDsFromQuery(values []string) []string {
+	values = cleanFormList(values)
+	if len(values) == 0 {
+		return nil
+	}
+	seen := make(map[string]struct{}, len(values))
+	out := make([]string, 0, len(values))
+	for _, value := range values {
+		if _, ok := seen[value]; ok {
+			continue
+		}
+		seen[value] = struct{}{}
+		out = append(out, value)
+	}
+	return out
+}
+
+func filterSelectedDeviceIDs(devices []*models.Device, candidates []string) []string {
+	if len(candidates) == 0 || len(devices) == 0 {
+		return nil
+	}
+	known := make(map[string]struct{}, len(devices))
+	for _, dev := range devices {
+		if dev == nil {
+			continue
+		}
+		id := strings.TrimSpace(dev.DeviceID)
+		if id != "" {
+			known[id] = struct{}{}
+		}
+	}
+	seen := make(map[string]struct{}, len(candidates))
+	out := make([]string, 0, len(candidates))
+	for _, id := range candidates {
+		id = strings.TrimSpace(id)
+		if id == "" {
+			continue
+		}
+		if _, ok := known[id]; !ok {
+			continue
+		}
+		if _, ok := seen[id]; ok {
+			continue
+		}
+		seen[id] = struct{}{}
+		out = append(out, id)
+	}
+	if len(out) == 0 {
+		return nil
+	}
+	return out
+}
+
+func selectedQueryString(ids []string) string {
+	if len(ids) == 0 {
+		return ""
+	}
+	values := url.Values{}
+	for _, id := range ids {
+		values.Add("selected", id)
+	}
+	return values.Encode()
+}
+
+func (u *UI) deviceOverviewPageData(r *http.Request, selectedIDs []string, errMsg string) PageData {
+	u.ensureDevicesLoaded()
+	devices := u.registry.GetDevices()
+	rows := make([]DeviceOverviewRow, 0, len(devices))
+	for _, dev := range devices {
+		row := DeviceOverviewRow{Device: dev}
+		status, _, err := u.loadConfigStatus(dev)
+		row.ConfigStatus = status
+		if err != nil {
+			row.ConfigStatusErr = err.Error()
+		}
+		rows = append(rows, row)
+	}
+	online := 0
+	attention := 0
+	for _, d := range devices {
+		if d.Online {
+			online++
+		} else {
+			attention++
+		}
+	}
+	failedTasks := 0
+	if u.tasks != nil {
+		for _, t := range u.tasks.ListTasks() {
+			if t.Status == models.TaskFailed {
+				failedTasks++
+			}
+		}
+	}
+	if selectedIDs == nil {
+		selectedIDs = selectedIDsFromQuery(r.URL.Query()["selected"])
+	}
+	selectedIDs = filterSelectedDeviceIDs(devices, selectedIDs)
+	data := PageData{
+		Title:             "设备",
+		Devices:           devices,
+		DeviceRows:        rows,
+		DeviceCount:       len(devices),
+		OnlineCount:       online,
+		OfflineCount:      len(devices) - online,
+		RunningTaskCount:  0,
+		FailedTaskCount:   failedTasks,
+		FoundCount:        attention,
+		SelectedDeviceIDs: selectedIDs,
+		SelectedQuery:     selectedQueryString(selectedIDs),
+	}
+	if errMsg != "" {
+		data.Error = errMsg
+	}
+	return data
+}
+
 func previewResultFromJSON(raw string) *service.ConfigPreviewResult {
 	raw = strings.TrimSpace(raw)
 	if raw == "" {

internal/web/ui/templates/devices.html

@@ -41,10 +41,29 @@
     </div>
   </div>
 
+  <form method="post" action="/ui/devices/batch-action">
+    {{if .SelectedDeviceIDs}}
+    <div class="batch-toolbar" id="batch-config">
+      <div>
+        <div class="batch-toolbar-count">已选 {{len .SelectedDeviceIDs}} 台</div>
+        <div class="muted small">选择后可以对这批设备统一执行服务操作，批量配置入口稍后开放。</div>
+      </div>
+      <div class="actions">
+        <button type="submit" name="action" value="media_restart">重启服务</button>
+        <button type="submit" name="action" value="media_start">启动服务</button>
+        <button type="submit" name="action" value="media_stop">停止服务</button>
+        <button type="submit" name="action" value="reload">重载服务</button>
+        <a class="btn ghost" href="/ui/devices?{{.SelectedQuery}}#batch-config">批量配置</a>
+        <a class="btn ghost" href="/ui/devices">清空选择</a>
+      </div>
+    </div>
+    {{end}}
+
     <div class="table-wrap">
       <table id="device-list">
         <thead>
           <tr>
+            <th style="width:52px">选中</th>
             <th>设备</th>
             <th>状态</th>
             <th>当前配置</th>
@@ -54,6 +73,9 @@
         <tbody>
           {{range .DeviceRows}}
           <tr>
+            <td style="text-align:center">
+              <input type="checkbox" name="device_id" value="{{.Device.DeviceID}}" {{if hasString $.SelectedDeviceIDs .Device.DeviceID}}checked{{end}} />
+            </td>
             <td>
               <div class="device-cell">
                 <div class="device-avatar">{{icon "device"}}</div>
@@ -106,7 +128,7 @@
           </tr>
           {{else}}
           <tr>
-          <td colspan="4">
+            <td colspan="5">
               <div class="empty-state">
                 <div class="empty-title">还没有设备</div>
                 <div class="muted">当前后台还没有发现或录入任何设备。</div>
@@ -117,12 +139,14 @@
         </tbody>
       </table>
     </div>
+  </form>
 </div>
 
 <script>
 (() => {
   const input = document.getElementById('device-filter');
   const table = document.getElementById('device-list');
+  const selectedBoxes = table ? table.querySelectorAll('input[type="checkbox"][name="device_id"]') : [];
   if (!input || !table) return;
   input.addEventListener('input', () => {
     const q = (input.value || '').trim().toLowerCase();
@@ -131,6 +155,20 @@
       row.style.display = (!q || text.includes(q)) ? '' : 'none';
     }
   });
+  const syncSelected = () => {
+    const url = new URL(window.location.href);
+    url.searchParams.delete('selected');
+    for (const box of selectedBoxes) {
+      if (box.checked) {
+        url.searchParams.append('selected', box.value);
+      }
+    }
+    const next = `${url.pathname}${url.searchParams.toString() ? `?${url.searchParams.toString()}` : ''}`;
+    window.location.assign(next);
+  };
+  for (const box of selectedBoxes) {
+    box.addEventListener('change', syncSelected);
+  }
 })();
 </script>
 {{end}}

internal/web/ui_test.go

@@ -117,6 +117,68 @@ func newTestUI(t *testing.T) *UI {
 	return ui
 }
 
+func TestUI_DeviceOverviewHidesBatchBarWithoutSelection(t *testing.T) {
+	ui := newTestUI(t)
+	req := httptest.NewRequest(http.MethodGet, "/ui/devices", nil)
+	rr := httptest.NewRecorder()
+
+	ui.pageDevices(rr, req)
+
+	if rr.Code != http.StatusOK {
+		t.Fatalf("expected 200, got %d: %s", rr.Code, rr.Body.String())
+	}
+	body := rr.Body.String()
+	for _, forbidden := range []string{"batch-toolbar", "已选", "批量配置", "重启服务", "启动服务", "停止服务", "重载服务", "清空选择"} {
+		if strings.Contains(body, forbidden) {
+			t.Fatalf("device overview should not show batch controls without selection, found %q in:\n%s", forbidden, body)
+		}
+	}
+}
+
+func TestUI_DeviceOverviewShowsBatchBarWhenDevicesSelected(t *testing.T) {
+	ui := newTestUI(t)
+	ui.registry.UpdateDevice(&models.Device{DeviceID: "edge-02", DeviceName: "辅助节点", IP: "127.0.0.2", AgentPort: 9100, MediaPort: 9000, Online: true})
+	req := httptest.NewRequest(http.MethodGet, "/ui/devices?selected=edge-01&selected=edge-02", nil)
+	rr := httptest.NewRecorder()
+
+	ui.pageDevices(rr, req)
+
+	if rr.Code != http.StatusOK {
+		t.Fatalf("expected 200, got %d: %s", rr.Code, rr.Body.String())
+	}
+	body := rr.Body.String()
+	for _, want := range []string{"batch-toolbar", "已选 2 台", "重启服务", "启动服务", "停止服务", "重载服务", "批量配置", "清空选择"} {
+		if !strings.Contains(body, want) {
+			t.Fatalf("expected batch controls HTML to contain %q, got:\n%s", want, body)
+		}
+	}
+}
+
+func TestUI_ActionDevicesBatchActionKeepsDevicesOnError(t *testing.T) {
+	ui := newTestUI(t)
+	ui.registry.UpdateDevice(&models.Device{DeviceID: "edge-02", DeviceName: "辅助节点", IP: "127.0.0.2", AgentPort: 9100, MediaPort: 9000, Online: true})
+
+	form := url.Values{}
+	form.Set("action", "nope")
+	form.Add("device_id", "edge-01")
+	form.Add("device_id", "edge-02")
+	req := httptest.NewRequest(http.MethodPost, "/ui/devices/batch-action", strings.NewReader(form.Encode()))
+	req.Header.Set("Content-Type", "application/x-www-form-urlencoded")
+	rr := httptest.NewRecorder()
+
+	ui.actionDevicesBatchAction(rr, req)
+
+	if rr.Code != http.StatusOK {
+		t.Fatalf("expected 200, got %d: %s", rr.Code, rr.Body.String())
+	}
+	body := rr.Body.String()
+	for _, want := range []string{"不支持的操作: nope", "入口识别节点", "辅助节点", "已选 2 台"} {
+		if !strings.Contains(body, want) {
+			t.Fatalf("expected error render to contain %q, got:\n%s", want, body)
+		}
+	}
+}
+
 func TestUI_DeviceOverviewRendersFleetOverview(t *testing.T) {
 	ui := newTestUI(t)
 	req := httptest.NewRequest(http.MethodGet, "/ui/devices", nil)