Add download code coverage button

In the repo analytics, we add a
button that will allow a user
to download the last 3 months
code coverage statistics.

app/views/projects/graphs/charts.html.haml

@@ -14,7 +14,20 @@
   #js-languages-chart{ data: { chart_data: @languages.to_json.html_safe } }
 
 - if defined?(@daily_coverage_options)
-  .repo-charts
+  .repo-charts.my-5
+    .sub-header-block.border-top
+    .d-flex.justify-content-between.align-items-center
+      %h4.sub-header.m-0
+        - start_date = capture do
+          #{@daily_coverage_options[:base_params][:start_date].strftime('%b %d')}
+        - end_date = capture do
+          #{@daily_coverage_options[:base_params][:end_date].strftime('%b %d')}
+        = (_("Code coverage statistics for master %{start_date} - %{end_date}") % {start_date: start_date, end_date: end_date})
+      - download_path = capture do
+        #{@daily_coverage_options[:download_path]}
+      %a.btn.btn-sm{ href: "#{download_path}?#{@daily_coverage_options[:base_params].to_query}" }
+        %small
+          = _("Download raw data (.csv)")
     #js-code-coverage-chart{ data: { daily_coverage_options: @daily_coverage_options.to_json.html_safe } }
 
 .repo-charts

locale/gitlab.pot

@@ -5279,6 +5279,9 @@ msgstr ""
 msgid "Code Review Analytics displays a table of open merge requests considered to be in code review. There are currently no merge requests in review for this project and/or filters."
 msgstr ""
 
+msgid "Code coverage statistics for master %{start_date} - %{end_date}"
+msgstr ""
+
 msgid "Code owner approval is required"
 msgstr ""
 
@@ -7616,6 +7619,9 @@ msgstr ""
 msgid "Download license"
 msgstr ""
 
+msgid "Download raw data (.csv)"
+msgstr ""
+
 msgid "Download source code"
 msgstr ""