Add project http fetch statistics API

The API get projects/:id/traffic/fetches allows user with write
access to the repository to get the number of clones for the
last 30 days.

1 files changed, 21 insertions, 0 deletions

diff --git a/app/finders/projects/daily_statistics_finder.rb b/app/finders/projects/daily_statistics_finder.rb
new file mode 100644
index 00000000000..912c23107bc
--- /dev/null
+++ b/app/finders/projects/daily_statistics_finder.rb
@@ -0,0 +1,21 @@
+# frozen_string_literal: true
+
+module Projects
+  class DailyStatisticsFinder
+    attr_reader :project
+
+    def initialize(project)
+      @project = project
+    end
+
+    def fetches
+      ProjectDailyStatistic.of_project(project)
+        .of_last_30_days
+        .sorted_by_date_desc
+    end
+
+    def total_fetch_count
+      fetches.sum_fetch_count
+    end
+  end
+end