Refactor commits graph

Signed-off-by: Dmitriy Zaporozhets <dmitriy.zaporozhets@gmail.com>

1 files changed, 49 insertions, 0 deletions

diff --git a/lib/gitlab/graphs/commits.rb b/lib/gitlab/graphs/commits.rb
new file mode 100644
index 00000000000..2122339d2db
--- /dev/null
+++ b/lib/gitlab/graphs/commits.rb
@@ -0,0 +1,49 @@
+module Gitlab
+  module Graphs
+    class Commits
+      attr_reader :commits, :start_date, :end_date, :duration,
+        :commits_per_week_days, :commits_per_time, :commits_per_month
+
+      def initialize(commits)
+        @commits = commits
+        @start_date = commits.last.committed_date.to_date
+        @end_date = commits.first.committed_date.to_date
+        @duration = (@end_date - @start_date).to_i
+
+        collect_data
+      end
+
+      def authors
+        @authors ||= @commits.map(&:author_email).uniq.size
+      end
+
+      def commit_per_day
+        @commit_per_day ||= (@commits.size.to_f / @duration).round(1)
+      end
+
+      def collect_data
+        @commits_per_week_days = {}
+        Date::DAYNAMES.each { |day| @commits_per_week_days[day] = 0 }
+
+        @commits_per_time = {}
+        (0..23).to_a.each { |hour| @commits_per_time[hour] = 0 }
+
+        @commits_per_month = {}
+        (1..31).to_a.each { |day| @commits_per_month[day] = 0 }
+
+        @commits.each do |commit|
+          hour = commit.committed_date.strftime('%k').to_i
+          day_of_month = commit.committed_date.strftime('%e').to_i
+          weekday = commit.committed_date.strftime('%A')
+
+          @commits_per_week_days[weekday] ||= 0
+          @commits_per_week_days[weekday] += 1
+          @commits_per_time[hour] ||= 0
+          @commits_per_time[hour] += 1
+          @commits_per_month[day_of_month] ||= 0
+          @commits_per_month[day_of_month] += 1
+        end
+      end
+    end
+  end
+end