Set Cc attribute in agent ticket create via outbound email at runtime (to not show ticket.cc in placeholder and ticket selectors widgets).

app/assets/javascripts/app/controllers/agent_ticket_create.coffee

@@ -238,6 +238,23 @@ class App.TicketCreate extends App.Controller
         else
           @$('[data-name="body"]').find('[data-signature=true]').remove()
 
+    App.Ticket.configure_attributes.push {
+      name: 'cc'
+      display: 'Cc'
+      tag: 'input'
+      type: 'text'
+      maxlength: 1000
+      null: true
+      screen: {
+        create_top: {
+          Agent: {
+            null: true
+          }
+        }
+        create_middle: {}
+        edit: {}
+      }
+    }
     new App.ControllerForm(
       el:       @$('.ticket-form-top')
       form_id:  @form_id
@@ -290,6 +307,7 @@ class App.TicketCreate extends App.Controller
       filter:   @formMeta.filter
       params:   params
     )
+    App.Ticket.configure_attributes.pop()
 
     # set type selector
     @setFormTypeInUi( params['formSenderType'] )

app/models/object_manager.rb

@@ -126,6 +126,41 @@ add a new attribute entry for an object
 
 =begin
 
+remove attribute entry for an object
+
+  ObjectManager::Attribute.remove(
+    object: 'Ticket',
+    name: 'group_id',
+  )
+
+use "force: true" to delete also not editable fields
+
+=end
+
+  def self.remove(data)
+
+    # lookups
+    if data[:object]
+      data[:object_lookup_id] = ObjectLookup.by_name(data[:object])
+    end
+
+    # check newest entry - is needed
+    result = ObjectManager::Attribute.find_by(
+      object_lookup_id: data[:object_lookup_id],
+      name: data[:name],
+    )
+    if !result
+      raise "ERROR: No such field #{data[:object]}.#{data[:name]}"
+    end
+
+    if !data[:force] && !result.editable
+      raise "ERROR: #{data[:object]}.#{data[:name]} can't be removed!"
+    end
+    result.destroy
+  end
+
+=begin
+
 get the attribute model based on object and name
 
   attribute = ObjectManager::Attribute.get(

db/migrate/20160506000002_email_ticket_cc_remove.rb

@@ -0,0 +1,6 @@
+
+class EmailTicketCcRemove < ActiveRecord::Migration
+  def up
+    ObjectManager::Attribute.remove(object: 'Ticket', name: 'cc', force: true)
+  end
+end

db/seeds.rb

@@ -2533,30 +2533,6 @@ ObjectManager::Attribute.add(
   pending_migration: false,
   position: 10,
 )
-ObjectManager::Attribute.add(
-  object: 'Ticket',
-  name: 'cc',
-  display: 'Cc',
-  data_type: 'input',
-  data_option: {
-    type: 'text',
-    maxlength: 1000,
-    null: true,
-  },
-  editable: false,
-  active: true,
-  screens: {
-    create_top: {
-      Agent: {
-        null: true,
-      },
-    },
-    create_middle: {},
-    edit: {}
-  },
-  pending_migration: false,
-  position: 11,
-)
 ObjectManager::Attribute.add(
   object: 'Ticket',
   name: 'type',