Create group milestones service.

1 files changed, 73 insertions, 0 deletions

diff --git a/app/services/milestones/group_service.rb b/app/services/milestones/group_service.rb
new file mode 100644
index 00000000000..1655100e012
--- /dev/null
+++ b/app/services/milestones/group_service.rb
@@ -0,0 +1,73 @@
+module Milestones
+  class GroupService < Milestones::BaseService
+    def initialize(group, user, project_milestones)
+      @group = group
+      @user = user
+      @project_milestones = project_milestones.group_by(&:title)
+    end
+
+    def titles
+      @project_milestones.map{ |title, milestone| title }
+    end
+
+    def project_names
+      names = {}
+      @project_milestones.map do |title, milestone|
+        projects = milestone.map{|m| m.project.name }
+        names.store(title, projects)
+      end
+      names
+    end
+
+    def issue_count
+      @project_milestones.merge(@project_milestones){ |title, milestone| milestone.map{|m| m.issues.count }.sum }
+    end
+
+    def mr_count
+      @project_milestones.merge(@project_milestones){ |title, milestone| milestone.map{|m| m.merge_requests.count }.sum }
+    end
+
+    def open_issues_count
+      @project_milestones.merge(@project_milestones){ |title, milestone| milestone.map{|m| m.issues.opened.count }.sum }
+    end
+
+    def closed_issues_count
+      @project_milestones.merge(@project_milestones){ |title, milestone| milestone.map{|m| m.issues.closed.count }.sum }
+    end
+
+    def open_mr_count
+      @project_milestones.merge(@project_milestones){ |title, milestone| milestone.map{|m| m.merge_requests.opened.count }.sum }
+    end
+
+    def close_mr_count
+      @project_milestones.merge(@project_milestones){ |title, milestone| milestone.map{|m| m.merge_requests.closed.count }.sum }
+    end
+
+    def open_items_count
+      open_issues_count.merge(open_mr_count){ |title,issue,mr| issue + mr }
+    end
+
+    def closed_items_count
+      closed_issues_count.merge(close_mr_count){ |title,issue,mr| issue + mr }
+    end
+
+    def total_items_count
+      issue_count.merge(mr_count){ |title,issue,mr| issue + mr }
+    end
+
+    def percent_complete
+      percentage_per_milestone = {}
+      closed_items_count.map do |title, closed_items|
+        total_items = total_items_count[title]
+        percentage = begin
+                       ((closed_items * 100) / total_items).abs
+                     rescue  ZeroDivisionError
+                       100
+                     end
+        percentage_per_milestone.store(title, percentage)
+      end
+      percentage_per_milestone
+    end
+
+  end
+end