Hide issues settings when issues are disabled

CHANGELOG

 Please view this file on the master branch, on stable branches it's out of date.
 
 v 8.4.0 (unreleased)
+  - Hide issues settings when issues are disabled (Hannes Rosenögger)
   - Add pagination headers to already paginated API resources
   - Properly generate diff of orphan commits, like the first commit in a repository
   - Improve the consistency of commit titles, branch names, tag names, issue/MR titles, on their respective project pages

app/assets/javascripts/project_new.js.coffee

@@ -4,6 +4,7 @@ class @ProjectNew
       $('.project-edit-container').hide()
       $('.save-project-loader').show()
     @toggleSettings()
+    @toggleSettingsOnclick()
 
 
   toggleSettings: ->
@@ -12,3 +13,14 @@ class @ProjectNew
       $('.merge-request-feature').show()
     else
       $('.merge-request-feature').hide()
+    checked = $("#project_issues_enabled").prop("checked")
+    if checked
+      $('.issues-feature').show()
+    else
+      $('.issues-feature').hide()
+
+  toggleSettingsOnclick: ->
+    $("#project_merge_requests_enabled").on 'click', =>
+      @toggleSettings()   
+    $("#project_issues_enabled").on 'click', =>
+      @toggleSettings()

features/project/project.feature

@@ -18,6 +18,18 @@ Feature: Project
     Then I should see the default project avatar
     And I should not see the "Remove avatar" button
 
+  @javascript
+  Scenario: I disable issues
+    Given I visit edit project "Shop" page
+    When I disable project issues
+    Then I should not see the issues settings
+
+  @javascript
+  Scenario: I enable issues
+    Given I visit edit project "Shop" page
+    When I enable project issues
+    Then I should see the issues settings
+
   Scenario: I should have back to group button
     And project "Shop" belongs to group
     And I visit project "Shop" page

features/steps/project/project.rb

@@ -177,4 +177,21 @@ class Spinach::Features::Project < Spinach::FeatureSteps
       expect(page).to have_content 'Notification settings saved'
     end
   end
+
+  step 'I enable project issues' do
+    check 'project_issues_enabled'
+  end
+
+  step 'I disable project issues' do
+    uncheck 'project_issues_enabled'
+  end
+
+  step 'I should not see the issues settings' do
+    expect(find('.issues-feature')).not_to be_visible
+  end
+
+  step 'I should see the issues settings' do
+    expect(find('.issues-feature')).to be_visible
+  end
+
 end