Avoid code duplication for label subscription status on label partial

app/assets/javascripts/project_label_subscription.js.es6

@@ -14,7 +14,7 @@
       const $btn = $(event.currentTarget);
       const $span = $btn.find('span');
       const url = $btn.attr('data-url');
-      const status = $btn.attr('data-status');
+      const oldStatus = $btn.attr('data-status');
 
       $btn.addClass('disabled');
       $span.toggleClass('hidden');
@@ -25,10 +25,10 @@
       }).done(() => {
         let newStatus, newAction;
 
-        if (status === 'subscribed') {
-          [newStatus, newAction] = ['unsubscribed', 'Subscribe'];
-        } else {
+        if (oldStatus === 'unsubscribed') {
           [newStatus, newAction] = ['subscribed', 'Unsubscribe'];
+        } else {
+          [newStatus, newAction] = ['unsubscribed', 'Subscribe'];
         }
 
         $span.toggleClass('hidden');

app/helpers/labels_helper.rb

@@ -140,7 +140,7 @@ module LabelsHelper
     end
   end
 
-  def group_label_subscription_status(label, project)
+  def label_subscription_status(label, project)
     return 'project-level' if label.subscribed?(current_user, project)
     return 'group-level' if label.subscribed?(current_user)
 
@@ -148,16 +148,12 @@ module LabelsHelper
   end
 
   def group_label_unsubscribe_path(label, project)
-    case group_label_subscription_status(label, project)
+    case label_subscription_status(label, project)
     when 'project-level' then toggle_subscription_namespace_project_label_path(@project.namespace, @project, label)
     when 'group-level' then toggle_subscription_group_label_path(label.group, label)
     end
   end
 
-  def label_subscription_status(label, project)
-    label.subscribed?(current_user, project) ? 'subscribed' : 'unsubscribed'
-  end
-
   def label_subscription_toggle_button_text(label, project)
     label.subscribed?(current_user, project) ? 'Unsubscribe' : 'Subscribe'
   end

app/views/shared/_label.html.haml

 - label_css_id = dom_id(label)
 - open_issues_count = label.open_issues_count(current_user)
 - open_merge_requests_count = label.open_merge_requests_count(current_user)
+- status = label_subscription_status(label, @project).inquiry if current_user
 - subject = local_assigns[:subject]
 
 %li{id: label_css_id, data: { id: label.id } }
@@ -21,10 +22,9 @@
         - if current_user && defined?(@project)
           %li.label-subscription
             - if label.is_a?(ProjectLabel)
-              %a.js-subscribe-button.label-subscribe-button{ role: 'button', href: '#', data: { status: label_subscription_status(label, @project), url: toggle_subscription_namespace_project_label_path(@project.namespace, @project, label) } }
+              %a.js-subscribe-button.label-subscribe-button{ role: 'button', href: '#', data: { status: status, url: toggle_subscription_namespace_project_label_path(@project.namespace, @project, label) } }
                 %span= label_subscription_toggle_button_text(label, @project)
             - else
-              - status = group_label_subscription_status(label, @project).inquiry
               %a.js-unsubscribe-button.label-subscribe-button{ role: 'button', href: '#', class: ('hidden' if status.unsubscribed?), data: { url: group_label_unsubscribe_path(label, @project) } }
                 %span Unsubscribe
               %a.js-subscribe-button.label-subscribe-button{ role: 'button', href: '#', class: ('hidden' unless status.unsubscribed?), data: { url: toggle_subscription_namespace_project_label_path(@project.namespace, @project, label) } }
@@ -47,12 +47,10 @@
     - if current_user && defined?(@project)
       .label-subscription.inline
         - if label.is_a?(ProjectLabel)
-          %button.js-subscribe-button.label-subscribe-button.btn.btn-default.btn-action{ type: 'button', title: label_subscription_toggle_button_text(label, @project), data: { toggle: 'tooltip', status: label_subscription_status(label, @project), url: toggle_subscription_namespace_project_label_path(@project.namespace, @project, label) } }
+          %button.js-subscribe-button.label-subscribe-button.btn.btn-default.btn-action{ type: 'button', title: label_subscription_toggle_button_text(label, @project), data: { toggle: 'tooltip', status: status, url: toggle_subscription_namespace_project_label_path(@project.namespace, @project, label) } }
             %span= label_subscription_toggle_button_text(label, @project)
             = icon('spinner spin', class: 'label-subscribe-button-loading')
         - else
-          - status = group_label_subscription_status(label, @project).inquiry
-
           %button.js-unsubscribe-button.label-subscribe-button.btn.btn-default.btn-action{ type: 'button', class: ('hidden' if status.unsubscribed?), title: 'Unsubscribe', data: { toggle: 'tooltip', url: group_label_unsubscribe_path(label, @project) } }
             %span Unsubscribe
             = icon('spinner spin', class: 'label-subscribe-button-loading')