1 files changed, 71 insertions, 0 deletions
diff --git a/lib/ci/charts.rb b/lib/ci/charts.rb
new file mode 100644
index 00000000000..e50a7a59c27
--- /dev/null
+++ b/lib/ci/charts.rb
@@ -0,0 +1,71 @@
+module Ci
+  module Charts
+    class Chart
+      attr_reader :labels, :total, :success, :project, :build_times
+
+      def initialize(project)
+        @labels = []
+        @total = []
+        @success = []
+        @build_times = []
+        @project = project
+
+        collect
+      end
+
+
+      def push(from, to, format)
+        @labels << from.strftime(format)
+        @total << project.builds.
+          where('? > builds.created_at AND builds.created_at > ?', to, from).
+          count(:all)
+        @success << project.builds.
+          where('? > builds.created_at AND builds.created_at > ?', to, from).
+          success.count(:all)
+      end
+    end
+
+    class YearChart < Chart
+      def collect
+        13.times do |i|
+          start_month = (Date.today.years_ago(1) + i.month).beginning_of_month
+          end_month = start_month.end_of_month
+
+          push(start_month, end_month, "%d %B %Y")
+        end
+      end
+    end
+
+    class MonthChart < Chart
+      def collect
+        30.times do |i|
+          start_day = Date.today - 30.days + i.days
+          end_day = Date.today - 30.days + i.day + 1.day
+
+          push(start_day, end_day, "%d %B")
+        end
+      end
+    end
+
+    class WeekChart < Chart
+      def collect
+        7.times do |i|
+          start_day = Date.today - 7.days + i.days
+          end_day = Date.today - 7.days + i.day + 1.day
+
+          push(start_day, end_day, "%d %B")
+        end
+      end
+    end
+
+    class BuildTime < Chart
+      def collect
+        commits = project.commits.joins(:builds).where('builds.finished_at is NOT NULL AND builds.started_at is NOT NULL').last(30)
+        commits.each do |commit|
+          @labels << commit.short_sha
+          @build_times << (commit.duration / 60)
+        end
+      end
+    end
+  end
+end