1 files changed, 54 insertions, 0 deletions
diff --git a/lib/charts.rb b/lib/charts.rb
new file mode 100644
index 0000000..45ad22e
--- /dev/null
+++ b/lib/charts.rb
@@ -0,0 +1,54 @@
+module Charts
+  class Chart
+    attr_reader :labels, :total, :success, :project
+
+    def initialize(project)
+      @labels = []
+      @total = []
+      @success = []
+      @project = project
+
+      collect
+    end
+
+
+    def push(from, to, format)
+      @labels << from.strftime(format)
+      @total << project.builds.where("? > created_at AND created_at > ?", to, from).count
+      @success << project.builds.where("? > created_at AND created_at > ?", to, from).success.count
+    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
+end