Format report text with kramdown

Pass the text of reports ('details' field) through the RichText formatter to give us kramdown formatting support.

app/models/report.rb

@@ -36,4 +36,8 @@ class Report < ApplicationRecord
     else %w[other]
     end
   end
+
+  def details
+    RichText.new("markdown", self[:details])
+  end
 end

app/views/issues/_reports.html.erb

@@ -9,7 +9,7 @@
                                    :user => link_to(report.user.display_name, user_path(report.user)),
                                    :updated_at => l(report.updated_at.to_datetime, :format => :friendly) %>
       </p>
-      <p><%= report.details %></p>
+      <p class="richtext text-break"><%= report.details.to_html %></p>
     </div>
   </div>
   <hr>

test/models/report_test.rb

@@ -32,4 +32,9 @@ class ReportTest < ActiveSupport::TestCase
     report.category = ""
     assert_not report.valid?
   end
+
+  def test_details
+    report = create(:report)
+    assert_instance_of(RichText::Markdown, report.details)
+  end
 end

test/system/issues_test.rb

@@ -33,11 +33,12 @@ class IssuesTest < ApplicationSystemTestCase
   def test_view_issue_with_report
     sign_in_as(create(:moderator_user))
     issue = create(:issue, :assigned_role => "moderator")
-    issue.reports << create(:report, :details => "test report text")
+    issue.reports << create(:report, :details => "test report text **with kramdown**")
 
     visit issue_path(issue)
     assert_content I18n.t("issues.show.reports", :count => 1)
-    assert_content "test report text"
+    assert_content "test report text with kramdown"
+    assert_selector "strong", :text => "with kramdown"
   end
 
   def test_view_issues_with_no_reported_user