2 files changed, 43 insertions, 0 deletions
diff --git a/app/helpers/form_helper.rb b/app/helpers/form_helper.rb
index 1182939f656..639a720b024 100644
--- a/app/helpers/form_helper.rb
+++ b/app/helpers/form_helper.rb
@@ -15,4 +15,37 @@ module FormHelper
         end
     end
   end
+
+  def issue_dropdown_options(issuable, has_multiple_assignees = true)
+    options = {
+      toggle_class: 'js-user-search js-assignee-search',
+      title: 'Select assignee',
+      filter: true,
+      dropdown_class: 'dropdown-menu-user dropdown-menu-selectable dropdown-menu-assignee',
+      placeholder: 'Search users',
+      data: {
+        first_user: current_user&.username,
+        null_user: true,
+        current_user: true,
+        project_id: issuable.project.try(:id),
+        field_name: "#{issuable.class.model_name.param_key}[assignee_ids][]",
+        default_label: 'Assignee',
+        'max-select': 1,
+        'dropdown-header': 'Assignee',
+      }
+    }
+
+    if has_multiple_assignees
+      options[:toggle_class] += ' js-multiselect js-save-user-data'
+      options[:title] = 'Select assignee(s)'
+      options[:data][:multi_select] = true
+      options[:data][:'input-meta'] = 'name'
+      options[:data][:'always-show-selectbox'] = true
+      options[:data][:current_user_info] = current_user.to_json(only: [:id, :name])
+      options[:data][:'dropdown-header'] = 'Assignee(s)'
+      options[:data].delete(:'max-select')
+    end
+
+    options
+  end
 end
diff --git a/app/helpers/issuables_helper.rb b/app/helpers/issuables_helper.rb
index 0b13dbf5f8d..7656929efe7 100644
--- a/app/helpers/issuables_helper.rb
+++ b/app/helpers/issuables_helper.rb
@@ -63,6 +63,16 @@ module IssuablesHelper
     end
   end
 
+  def users_dropdown_label(selected_users)
+    if selected_users.length == 0
+      "Unassigned"
+    elsif selected_users.length == 1
+      selected_users[0].name
+    else
+      "#{selected_users[0].name} + #{selected_users.length - 1} more"
+    end
+  end
+
   def user_dropdown_label(user_id, default_label)
     return default_label if user_id.nil?
     return "Unassigned" if user_id == "0"