Introduce pages_deployed? to Project model

app/models/project.rb

@@ -1164,9 +1164,11 @@ class Project < ActiveRecord::Base
     ensure_runners_token!
   end
-  def pages_url
-    return unless Dir.exist?(public_pages_path)
+  def pages_deployed?
+    Dir.exist?(public_pages_path)
+  end
+  def pages_url
     # The hostname always needs to be in downcased
     # All web servers convert hostname to lowercase
     host = "#{namespace.path}.#{Settings.pages.host}".downcase

app/views/projects/pages/_access.html.haml

-- if @project.pages_url
+- if @project.pages_deployed?
   .panel.panel-default
     .panel-heading
       Access pages

app/views/projects/pages/_destroy.haml

-- if can?(current_user, :remove_pages, @project) && @project.pages_url
+- if can?(current_user, :remove_pages, @project) && @project.pages_deployed?
   .panel.panel-default.panel.panel-danger
     .panel-heading Remove pages
     .errors-holder

app/views/projects/pages/_use.html.haml

-- unless @project.pages_url
+- unless @project.pages_deployed?
   .panel.panel-info
     .panel-heading
       Configure pages

spec/models/project_spec.rb

@@ -1068,6 +1068,23 @@ describe Project, models: true do
     end
   end
+  describe '#pages_deployed?' do
+    let(:project) { create :empty_project }
+
+    subject { project.pages_deployed? }
+
+    context 'if public folder does exist' do
+      before { FileUtils.mkdir_p(project.public_pages_path) }
+      after { FileUtils.rmdir(project.public_pages_path) }
+
+      it { is_expected.to be_truthy }
+    end
+
+    context "if public folder doesn't exist" do
+      it { is_expected.to be_falsey }
+    end
+  end
+
   describe '.search' do
     let(:project) { create(:empty_project, description: 'kitten mittens') }
@@ -1854,16 +1871,10 @@ describe Project, models: true do
     subject { project.pages_url }
     before do
-      FileUtils.mkdir_p(project.public_pages_path)
-
       allow(Settings.pages).to receive(:host).and_return(domain)
       allow(Gitlab.config.pages).to receive(:url).and_return('http://example.com')
     end
-    after do
-      FileUtils.rmdir(project.public_pages_path)
-    end
-
     context 'group page' do
       let(:group_name) { 'Group' }
       let(:project_name) { 'group.example.com' }

spec/services/projects/update_pages_service_spec.rb

@@ -27,9 +27,9 @@ describe Projects::UpdatePagesService do
       end
       it 'succeeds' do
-        expect(project.pages_url).to be_nil
+        expect(project.pages_deployed?).to be_falsey
         expect(execute).to eq(:success)
-        expect(project.pages_url).to_not be_nil
+        expect(project.pages_deployed?).to be_truthy
       end
       it 'limits pages size' do
@@ -39,11 +39,11 @@ describe Projects::UpdatePagesService do
       it 'removes pages after destroy' do
         expect(PagesWorker).to receive(:perform_in)
-        expect(project.pages_url).to be_nil
+        expect(project.pages_deployed?).to be_falsey
         expect(execute).to eq(:success)
-        expect(project.pages_url).to_not be_nil
+        expect(project.pages_deployed?).to be_truthy
         project.destroy
-        expect(Dir.exist?(project.public_pages_path)).to be_falsey
+        expect(project.pages_deployed?).to be_falsey
       end
       it 'fails if sha on branch is not latest' do
@@ -61,7 +61,7 @@ describe Projects::UpdatePagesService do
   it 'fails to remove project pages when no pages is deployed' do
     expect(PagesWorker).to_not receive(:perform_in)
-    expect(project.pages_url).to be_nil
+    expect(project.pages_deployed?).to be_falsey
     project.destroy
   end