1 files changed, 33 insertions, 0 deletions
diff --git a/lib/gitlab/commits_calendar.rb b/lib/gitlab/commits_calendar.rb
new file mode 100644
index 00000000000..2f30d238e6b
--- /dev/null
+++ b/lib/gitlab/commits_calendar.rb
@@ -0,0 +1,33 @@
+module Gitlab
+  class CommitsCalendar
+    attr_reader :timestamps
+
+    def initialize(projects, user)
+      @timestamps = {}
+      date_timestamps = []
+
+      projects.reject(&:forked?).each do |project|
+        date_timestamps << ProjectContributions.new(project, user).commits_log
+      end
+
+      # Sumarrize commits from all projects per days
+      date_timestamps = date_timestamps.inject do |collection, date|
+        collection.merge(date) { |k, old_v, new_v| old_v + new_v }
+      end
+
+      date_timestamps ||= []
+      date_timestamps.each do |date, commits|
+        timestamp = Date.parse(date).to_time.to_i.to_s rescue nil
+        @timestamps[timestamp] = commits if timestamp
+      end
+    end
+
+    def starting_year
+      (Time.now - 1.year).strftime("%Y")
+    end
+
+    def starting_month
+      Date.today.strftime("%m").to_i
+    end
+  end
+end