Refactor commits graph

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

app/controllers/projects/graphs_controller.rb

@@ -15,33 +15,10 @@ class Projects::GraphsController < Projects::ApplicationController
 
   def commits
     @commits = @project.repository.commits(nil, nil, 2000, 0, true)
-    @start_date = @commits.last.committed_date.to_date
+    @commits_graph = Gitlab::Graphs::Commits.new(@commits)
-    @end_date = @commits.first.committed_date.to_date
+    @commits_per_week_days = @commits_graph.commits_per_week_days
-    @duration = (@end_date - @start_date).to_i
+    @commits_per_time = @commits_graph.commits_per_time
-    @authors = @commits.map(&:author_email).uniq.size
+    @commits_per_month = @commits_graph.commits_per_month
-    @commit_per_day = (@commits.size.to_f / @duration).round(1)
-
-    @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
 
   private

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

@@ -3,26 +3,26 @@
 %p.lead
   Commits statistic for
   %strong #{@repository.root_ref}
-  #{@start_date.strftime('%b %d')} - #{@end_date.strftime('%b %d')}
+  #{@commits_graph.start_date.strftime('%b %d')} - #{@commits_graph.end_date.strftime('%b %d')}
 
 .row
   .col-md-6
     %ul
       %li
         %p.lead
-          %strong #{@commits.size}
+          %strong #{@commits_graph.commits.size}
           commits during
-          %strong #{@duration}
+          %strong #{@commits_graph.duration}
           days
       %li
         %p.lead
           Average
-          %strong #{@commit_per_day}
+          %strong #{@commits_graph.commit_per_day}
           commits per day
       %li
         %p.lead
           Contributed by
-          %strong #{@authors}
+          %strong #{@commits_graph.authors}
           authors
   .col-md-6
     %div

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