Add another message for empty folders

src/generic-provider-views/index.js

@@ -352,9 +352,15 @@ module.exports = class View {
       state.selectedFolders[folderId] = {loading: false, files: files}
       this.updateState({selectedFolders: folders})
       const dashboard = this.plugin.core.getPlugin('Dashboard')
-      this.plugin.core.info(dashboard.i18n('folderAdded', {
-        smart_count: files.length, folder: this.plugin.getItemName(folder)
-      }))
+      let message
+      if (files.length) {
+        message = dashboard.i18n('folderAdded', {
+          smart_count: files.length, folder: this.plugin.getItemName(folder)
+        })
+      } else {
+        message = dashboard.i18n('emptyFolderAdded')
+      }
+      this.plugin.core.info(message)
     }).catch((e) => {
       state = this.plugin.core.getState()[this.plugin.stateId]
       delete state.selectedFolders[folderId]

src/plugins/Dashboard/index.js

@@ -52,6 +52,7 @@ module.exports = class DashboardUI extends Plugin {
         fileProgress: 'File progress: upload speed and ETA',
         numberOfSelectedFiles: 'Number of selected files',
         uploadAllNewFiles: 'Upload all new files',
+        emptyFolderAdded: 'No files were added from empty folder',
         folderAdded: {
           0: 'Added %{smart_count} file from %{folder}',
           1: 'Added %{smart_count} files from %{folder}'