Ability to assign a label to multiple issues

app/assets/javascripts/labels_select.js.coffee

@@ -12,6 +12,7 @@ class @LabelsSelect
       newColorField = $('#new_label_color')
       showNo = $dropdown.data('show-no')
       showAny = $dropdown.data('show-any')
+      useId = $dropdown.data('use-id')
       defaultLabel = $dropdown.data('default-label')
       abilityName = $dropdown.data('ability-name')
       $selectbox = $dropdown.closest('.selectbox')
@@ -284,6 +285,9 @@ class @LabelsSelect
 
         multiSelect: $dropdown.hasClass 'js-multiselect'
         clicked: (label) ->
+          if $dropdown.hasClass('js-filter-bulk-update')
+            return
+
           page = $('body').data 'page'
           isIssueIndex = page is 'projects:issues:index'
           isMRIndex = page is 'projects:merge_requests:index'

app/controllers/projects/issues_controller.rb

@@ -216,7 +216,8 @@ class Projects::IssuesController < Projects::ApplicationController
       :issues_ids,
       :assignee_id,
       :milestone_id,
-      :state_event
+      :state_event,
+      :label_ids
     )
   end
 end

app/views/shared/issuable/_filter.html.haml

@@ -44,6 +44,10 @@
               placeholder: "Search authors", data: { first_user: (current_user.username if current_user), null_user: true, current_user: true, project_id: @project.id, field_name: "update[assignee_id]" } })
           .filter-item.inline
             = dropdown_tag("Milestone", options: { title: "Assign milestone", toggle_class: 'js-milestone-select js-extra-options js-filter-submit js-filter-bulk-update', filter: true, dropdown_class: "dropdown-menu-selectable dropdown-menu-milestone", placeholder: "Search milestones", data: { show_no: true, field_name: "update[milestone_id]", project_id: @project.id, milestones: namespace_project_milestones_path(@project.namespace, @project, :json), use_id: true } })
+
+          .filter-item.inline.labels-filter
+            = render "shared/issuable/label_dropdown", classes: ' js-filter-bulk-update js-multiselect ', extra_options: false, show_footer: false, extra_options: false, data_options: {  field_name: "update[label_ids]", show_no: false, show_any: false, use_id: true }
+
           = hidden_field_tag 'update[issues_ids]', []
           = hidden_field_tag :state_event, params[:state_event]
           .filter-item.inline

app/views/shared/issuable/_label_dropdown.html.haml

+- extra_options = local_assigns.fetch(:extra_options, true)
+- show_footer = local_assigns.fetch(:show_footer, true)
+- data_options = local_assigns.fetch(:data_options, {})
+- classes = local_assigns.fetch(:classes, '')
+- dropdown_data = {toggle: 'dropdown', field_name: 'label_name[]', show_no: "true", show_any: "true", selected: params[:label_name], project_id: @project.try(:id), labels: labels_filter_path, default_label: "Label"}
+- dropdown_data.merge!(data_options)
+- classes << ' js-extra-options ' if extra_options
+
 - if params[:label_name].present?
   - if params[:label_name].respond_to?('any?')
     - params[:label_name].each do |label|
       = hidden_field_tag "label_name[]", label, id: nil
 .dropdown
-  %button.dropdown-menu-toggle.js-label-select.js-filter-submit.js-multiselect.js-extra-options{type: "button", data: {toggle: "dropdown", field_name: "label_name[]", show_no: "true", show_any: "true", selected: params[:label_name], project_id: @project.try(:id), labels: labels_filter_path, default_label: "Label"}}
+  %button.dropdown-menu-toggle.js-label-select.js-filter-submit.js-multiselect{class: classes, type: "button", data: dropdown_data}
     %span.dropdown-toggle-text
       = h(multi_label_name(params[:label_name], "Label"))
     = icon('chevron-down')