Generate list for overview group by based on current ticket attributes.

app/assets/javascripts/app/controllers/overview.coffee

@@ -4,6 +4,11 @@ class Index extends App.ControllerSubContent
   constructor: ->
     super
 
+    # update group by with current attributes
+    for attribute in App.Overview.configure_attributes
+      if attribute.name is 'group_by'
+        attribute.options = App.Overview.groupByAttributes()
+
     new App.ControllerGenericIndex(
       el: @el
       id: @id

app/assets/javascripts/app/controllers/ticket_overview.coffee

@@ -1430,49 +1430,43 @@ class App.OverviewSettings extends App.ControllerModal
       })
 
     @configure_attributes_article.push({
-      name:    "view::#{@view_mode}"
-      display: 'Attributes'
-      tag:     'checkboxTicketAttributes'
-      default: @overview.view[@view_mode]
-      null:    false
+      name:      "view::#{@view_mode}"
+      display:   'Attributes'
+      tag:       'checkboxTicketAttributes'
+      default:   @overview.view[@view_mode]
+      null:      false
       translate: true
-      sortBy:  null
+      sortBy:    null
     },
     {
-      name:    'order::by'
-      display: 'Order'
-      tag:     'selectTicketAttributes'
-      default: @overview.order.by
-      null:    false
+      name:      'order::by'
+      display:   'Order'
+      tag:       'selectTicketAttributes'
+      default:   @overview.order.by
+      null:      false
       translate: true
-      sortBy:  null
+      sortBy:    null
     },
     {
-      name:    'order::direction'
-      display: 'Direction'
-      tag:     'select'
-      default: @overview.order.direction
-      null:    false
+      name:      'order::direction'
+      display:   'Direction'
+      tag:       'select'
+      default:   @overview.order.direction
+      null:      false
       translate: true
       options:
         ASC:  'up'
         DESC: 'down'
     },
     {
-      name:    'group_by'
-      display: 'Group by'
-      tag:     'select'
-      default: @overview.group_by
-      null:    true
+      name:       'group_by'
+      display:    'Group by'
+      tag:        'select'
+      default:    @overview.group_by
+      null:       true
       nulloption: true
       translate:  true
-      options:
-        customer:       'Customer'
-        organization:   'Organization'
-        state:          'State'
-        priority:       'Priority'
-        group:          'Group'
-        owner:          'Owner'
+      options:    App.Overview.groupByAttributes()
     })
 
     controller = new App.ControllerForm(

app/assets/javascripts/app/models/overview.coffee

@@ -74,3 +74,11 @@ Sie können auch individuelle Übersichten für einzelne Agenten oder agenten Gr
 
   uiUrl: ->
     "#ticket/view/#{@link}"
+
+  @groupByAttributes: ->
+    groupByAttributes = {}
+    for key, attribute of App.Ticket.attributesGet()
+      if !key.match(/(_at|_no)$/) && attribute.tag isnt 'datetime' && key isnt 'number' && key isnt 'tags'
+        key = key.replace(/_(id|ids)$/, '')
+        groupByAttributes[key] = attribute.display
+    groupByAttributes