Fixes #3088 - Notes on existing ticks are discarded by editing profile settings.

app/assets/javascripts/app/controllers/ticket_zoom.coffee

@@ -263,6 +263,10 @@ class App.TicketZoom extends App.Controller
     @positionPageHeaderStart()
     @autosaveStart()
     @shortcutNavigationStart()
+
+    if @articleNew
+      @articleNew.show()
+
     return if !@attributeBar
     @attributeBar.start()
 
@@ -1056,12 +1060,22 @@ class App.TicketZoom extends App.Controller
 
   taskUpdate: (area, data) =>
     @localTaskData[area] = data
-    App.TaskManager.update(@taskKey, { 'state': @localTaskData })
+
+    taskData = { 'state': @localTaskData }
+    if _.isArray(data.attachments)
+      taskData.attachments = data.attachments
+
+    App.TaskManager.update(@taskKey, taskData)
 
   taskUpdateAll: (data) =>
     @localTaskData = data
     @localTaskData.article['form_id'] = @form_id
-    App.TaskManager.update(@taskKey, { 'state': @localTaskData })
+
+    taskData = { 'state': @localTaskData }
+    if _.isArray(data.attachments)
+      taskData.attachments = data.attachments
+
+    App.TaskManager.update(@taskKey, taskData)
 
   # reset task state
   taskReset: =>

app/assets/javascripts/app/controllers/ticket_zoom/article_new.coffee

@@ -43,14 +43,10 @@ class App.TicketZoomArticleNew extends App.Controller
       closed: 20
 
     @dragEventCounter = 0
-    @attachments      = []
+    @attachments      = @defaults.attachments || []
 
     @render()
 
-    if _.isArray(@defaults.attachments)
-      for attachment in @defaults.attachments
-        @renderAttachment(attachment)
-
     # set article type and expand text area
     @controllerBind('ui::ticket::setArticleType', (data) =>
       return if data.ticket.id.toString() isnt @ticket_id.toString()
@@ -94,20 +90,15 @@ class App.TicketZoomArticleNew extends App.Controller
       return if data.ticket_id.toString() isnt @ticket_id.toString()
       @type        = 'note'
       @defaults    = {}
+      @attachments = []
       @render()
     )
 
-    # set expand of text area only once
-    @controllerBind('ui::ticket::shown', (data) =>
-      return if data.ticket_id.toString() isnt @ticket.id.toString()
-      @tokanice(@type)
-
-      if @defaults.body or @isIE10()
-        @openTextarea(null, true)
-    )
-
     # rerender, e. g. on language change
     @controllerBind('ui:rerender', =>
+      @adjustedTextarea = false
+      @defaults         = @ui.taskGet('article')
+      @attachments      = @defaults.attachments
       @render()
     )
 
@@ -117,6 +108,18 @@ class App.TicketZoomArticleNew extends App.Controller
       @updateSecurityOptions()
     )
 
+  show: ->
+    @adjustTextarea()
+
+  adjustTextarea: ->
+    return if @adjustedTextarea
+    @adjustedTextarea = true
+
+    @tokanice(@type)
+
+    if @defaults.body or @isIE10()
+      @openTextarea(null, true)
+
   tokanice: (type = 'email') ->
     App.Utils.tokanice('.content.active .js-to, .js-cc, js-bcc', type)
 
@@ -285,6 +288,10 @@ class App.TicketZoomArticleNew extends App.Controller
       if !@subscribeIdTextModule
         @subscribeIdTextModule = ticket.subscribe(callback)
 
+    if _.isArray(@attachments)
+      for attachment in @attachments
+        @renderAttachment(attachment)
+
   params: =>
     params = @formParam( @$('.article-add') )
 
@@ -332,6 +339,7 @@ class App.TicketZoomArticleNew extends App.Controller
       params.preferences ||= {}
       params.preferences.security = @paramsSecurity()
 
+    params.attachments = @attachments
     params
 
   validate: =>

spec/system/ticket/zoom_spec.rb

@@ -1957,4 +1957,73 @@ RSpec.describe 'Ticket zoom', type: :system do
       end
     end
   end
+
+  describe 'Notes on existing ticks are discarded by editing profile settings #3088' do
+    let(:ticket) { create(:ticket, group: Group.find_by(name: 'Users')) }
+
+    before do
+      visit "#ticket/zoom/#{ticket.id}"
+    end
+
+    def upload_and_set_text
+      page.find('.js-textarea').send_keys("Hello\nThis\nis\nimportant!\nyo\nhoho\ntest test test test")
+      page.find('input#fileUpload_1', visible: :all).set(Rails.root.join('test/data/mail/mail001.box'))
+      expect(page).to have_text('mail001.box')
+      wait_for_upload_present
+    end
+
+    def wait_for_upload_present
+      wait(5).until { Taskbar.find_by(key: "Ticket-#{ticket.id}").attributes_with_association_ids['attachments'].present? }
+    end
+
+    def wait_for_upload_blank
+      wait(5).until { Taskbar.find_by(key: "Ticket-#{ticket.id}").attributes_with_association_ids['attachments'].blank? }
+    end
+
+    def switch_language_german
+      visit '#profile/language'
+      page.find('.js-input').click
+      page.find('.js-input').set('Deutsch')
+      page.find('.js-input').send_keys(:enter)
+      click_on 'Submit'
+
+      visit "#ticket/zoom/#{ticket.id}"
+      expect(page).to have_text('Dateien wählen')
+    end
+
+    def expect_upload_and_text
+      expect(page).to have_text('mail001.box')
+      expect(page).to have_text("Hello\nThis\nis\nimportant!\nyo\nhoho\ntest test test test")
+    end
+
+    def expect_no_upload_and_text
+      expect(page).to have_no_text('mail001.box')
+      expect(page).to have_no_text("Hello\nThis\nis\nimportant!\nyo\nhoho\ntest test test test")
+    end
+
+    it 'does show up the attachments after a reload of the page' do
+      upload_and_set_text
+      expect_upload_and_text
+      refresh
+      expect_upload_and_text
+    end
+
+    it 'does show up the attachments after updating language (ui:rerender event)' do
+      upload_and_set_text
+      expect_upload_and_text
+      switch_language_german
+      expect_upload_and_text
+    end
+
+    it 'does remove attachments and text on reset' do
+      upload_and_set_text
+      expect_upload_and_text
+
+      page.find('.js-reset').click
+      wait_for_upload_blank
+      expect_no_upload_and_text
+      refresh
+      expect_no_upload_and_text
+    end
+  end
 end