Hide issue info when project issues are disabled

app/views/projects/milestones/show.html.haml

@@ -47,7 +47,7 @@
             = preserve do
               = markdown_field(@milestone, :description)
 
-  - if @milestone.total_items_count(current_user).zero?
+  - if can?(current_user, :read_issue, @project) && @milestone.total_items_count(current_user).zero?
     .alert.alert-success.prepend-top-default
       %span Assign some issues to this milestone.
   - elsif @milestone.complete?(current_user) && @milestone.active?

app/views/shared/milestones/_summary.html.haml

@@ -6,6 +6,7 @@
 
     .milestone-stats-and-buttons
       .milestone-stats
+        - if !project || can?(current_user, :read_issue, project)
           %span.milestone-stat.with-drilldown
             %strong= milestone.issues_visible_to_user(current_user).size
             issues:
@@ -32,9 +33,11 @@
 
       .milestone-progress-buttons
         %span.tab-issues-buttons
-          - if project && can?(current_user, :create_issue, project)
+          - if project
+            - if can?(current_user, :create_issue, project)
               = link_to new_namespace_project_issue_path(project.namespace, project, issue: { milestone_id: milestone.id }), class: "btn", title: "New Issue" do
                 New Issue
+            - if can?(current_user, :read_issue, project)
               = link_to 'Browse Issues', milestones_browse_issuables_path(milestone, type: :issues), class: "btn"
         %span.tab-merge-requests-buttons.hidden
           = link_to 'Browse Merge Requests', milestones_browse_issuables_path(milestone, type: :merge_requests), class: "btn"

app/views/shared/milestones/_tabs.html.haml

 %ul.nav-links.no-top.no-bottom
+  - if milestone.is_a?(GlobalMilestone) || can?(current_user, :read_issue, @project)
     %li.active
       = link_to '#tab-issues', 'data-toggle' => 'tab', 'data-show' => '.tab-issues-buttons' do
         Issues
@@ -7,6 +8,11 @@
       = link_to '#tab-merge-requests', 'data-toggle' => 'tab', 'data-show' => '.tab-merge-requests-buttons' do
         Merge Requests
         %span.badge= milestone.merge_requests.size
+  - else
+    %li.active
+      = link_to '#tab-merge-requests', 'data-toggle' => 'tab', 'data-show' => '.tab-merge-requests-buttons' do
+        Merge Requests
+        %span.badge= milestone.merge_requests.size
   %li
     = link_to '#tab-participants', 'data-toggle' => 'tab' do
       Participants
@@ -20,10 +26,14 @@
 - show_full_project_name = local_assigns.fetch(:show_full_project_name, false)
 
 .tab-content.milestone-content
+  - if milestone.is_a?(GlobalMilestone) || can?(current_user, :read_issue, @project)
     .tab-pane.active#tab-issues
       = render 'shared/milestones/issues_tab', issues: milestone.issues_visible_to_user(current_user).include_associations, show_project_name: show_project_name, show_full_project_name: show_full_project_name
     .tab-pane#tab-merge-requests
       = render 'shared/milestones/merge_requests_tab', merge_requests: milestone.merge_requests, show_project_name: show_project_name, show_full_project_name: show_full_project_name
+  - else
+    .tab-pane.active#tab-merge-requests
+      = render 'shared/milestones/merge_requests_tab', merge_requests: milestone.merge_requests, show_project_name: show_project_name, show_full_project_name: show_full_project_name
   .tab-pane#tab-participants
     = render 'shared/milestones/participants_tab', users: milestone.participants
   .tab-pane#tab-labels

changelogs/unreleased/19497-hide-relevant-info-when-project-issues-are-disabled.yml

+---
+title: Hide issue info when project issues are disabled
+merge_request:
+author: George Andrinopoulos

spec/features/projects/milestones/milestone_spec.rb

+require 'spec_helper'
+
+feature 'Project milestone', :feature do
+  let(:user) { create(:user) }
+  let(:project) { create(:empty_project, name: 'test', namespace: user.namespace) }
+  let(:milestone) { create(:milestone, project: project) }
+
+  before do
+    login_as(user)
+  end
+
+  context 'when project has enabled issues' do
+    before do
+      visit namespace_project_milestone_path(project.namespace, project, milestone)
+    end
+
+    it 'shows issues tab' do
+      within('#content-body') do
+        expect(page).to have_link 'Issues', href: '#tab-issues'
+        expect(page).to have_selector '.nav-links li.active', count: 1
+        expect(find('.nav-links li.active')).to have_content 'Issues'
+      end
+    end
+
+    it 'shows issues stats' do
+      expect(page).to have_content 'issues:'
+    end
+
+    it 'shows Browse Issues button' do
+      within('#content-body') do
+        expect(page).to have_link 'Browse Issues'
+      end
+    end
+  end
+
+  context 'when project has disabled issues' do
+    before do
+      project.project_feature.update_attribute(:issues_access_level, ProjectFeature::DISABLED)
+      visit namespace_project_milestone_path(project.namespace, project, milestone)
+    end
+
+    it 'hides issues tab' do
+      within('#content-body') do
+        expect(page).not_to have_link 'Issues', href: '#tab-issues'
+        expect(page).to have_selector '.nav-links li.active', count: 1
+        expect(find('.nav-links li.active')).to have_content 'Merge Requests'
+      end
+    end
+
+    it 'hides issues stats' do
+      expect(page).to have_no_content 'issues:'
+    end
+
+    it 'hides Browse Issues button' do
+      within('#content-body') do
+        expect(page).not_to have_link 'Browse Issues'
+      end
+    end
+
+    it 'does not show an informative message' do
+      expect(page).not_to have_content('Assign some issues to this milestone.')
+    end
+  end
+end