Sort issues for Issues page

app/presenters/epic_presenter.rb

@@ -13,6 +13,18 @@ def initialize(epic:, issues:, expected_average: nil, uncertainty_level: nil, la
 
   delegate :key, :labels, :project_key, :summary, to: :epic
 
+  def issues_sorted
+    issues.sort_by do |issue|
+      if issue.started?
+        0
+      elsif issue.to_do?
+        1
+      else
+        issue.finish_date.to_i
+      end
+    end
+  end
+
   def issues_count_presenter
     @issues_count_presenter ||= EpicIssuesCountPresenter.new(issues: issues)
   end

app/views/issues/index.html.erb

@@ -8,5 +8,5 @@
   <%= render 'shared/epic_details_table', epic_presenter: @epic_presenter %>
 
   <p class="h5">Issues</p>
-  <%= render 'issues/issues_table', issues: @epic_presenter.issues %>
+  <%= render 'issues/issues_table', issues: @epic_presenter.issues_sorted %>
 </div>

spec/presenters/epic_presenter_spec.rb

@@ -15,6 +15,22 @@
     it { is_expected.to delegate_method(:summary).to(:epic) }
   end
 
+  describe '#issues_sorted' do
+    subject { described_class.new(epic: epic, issues: issues).issues_sorted }
+
+    let(:epic) { build(:epic) }
+    let(:issues) { [issue_done1, issue_done2, issue_to_do, issue_in_progress] }
+
+    let(:issue_done1) { build(:issue, :done, status_change_date: 2.days.ago) }
+    let(:issue_done2) { build(:issue, :done, status_change_date: 5.days.ago) }
+    let(:issue_to_do) { build(:issue, :to_do) }
+    let(:issue_in_progress) { build(:issue, :in_progress) }
+
+    it 'sorts issues by in progress, then pending, and then by completion date' do
+      expect(subject).to eq([issue_in_progress, issue_to_do, issue_done2, issue_done1])
+    end
+  end
+
   describe '#issues_count_presenter' do
     subject { described_class.new(epic: epic, issues: issues).issues_count_presenter }