Add summary classes

4 files changed, 96 insertions, 0 deletions

diff --git a/lib/gitlab/cycle_analytics/group_stage_summary.rb b/lib/gitlab/cycle_analytics/group_stage_summary.rb
new file mode 100644
index 00000000000..7b5c74e1a1b
--- /dev/null
+++ b/lib/gitlab/cycle_analytics/group_stage_summary.rb
@@ -0,0 +1,24 @@
+# frozen_string_literal: true
+
+module Gitlab
+  module CycleAnalytics
+    class GroupStageSummary
+      def initialize(group, from:, current_user:)
+        @group = group
+        @from = from
+        @current_user = current_user
+      end
+
+      def data
+        [serialize(Summary::Group::Issue.new(group: @group, from: @from, current_user: @current_user)),
+         serialize(Summary::Group::Deploy.new(group: @group, from: @from))]
+      end
+
+      private
+
+      def serialize(summary_object)
+        AnalyticsSummarySerializer.new.represent(summary_object)
+      end
+    end
+  end
+end
diff --git a/lib/gitlab/cycle_analytics/summary/group/base.rb b/lib/gitlab/cycle_analytics/summary/group/base.rb
new file mode 100644
index 00000000000..7f18b61d309
--- /dev/null
+++ b/lib/gitlab/cycle_analytics/summary/group/base.rb
@@ -0,0 +1,24 @@
+# frozen_string_literal: true
+
+module Gitlab
+  module CycleAnalytics
+    module Summary
+      module Group
+        class Base
+          def initialize(group:, from:)
+            @group = group
+            @from = from
+          end
+
+          def title
+            raise NotImplementedError.new("Expected #{self.name} to implement title")
+          end
+
+          def value
+            raise NotImplementedError.new("Expected #{self.name} to implement value")
+          end
+        end
+      end
+    end
+  end
+end
diff --git a/lib/gitlab/cycle_analytics/summary/group/deploy.rb b/lib/gitlab/cycle_analytics/summary/group/deploy.rb
new file mode 100644
index 00000000000..820fd48d3af
--- /dev/null
+++ b/lib/gitlab/cycle_analytics/summary/group/deploy.rb
@@ -0,0 +1,23 @@
+# frozen_string_literal: true
+
+module Gitlab
+  module CycleAnalytics
+    module Summary
+      module Group
+        class Deploy < Base
+          def title
+            n_('Deploy', 'Deploys', value)
+          end
+
+          def value
+            @value ||= Deployment.joins(:project)
+              .where(projects: { namespace_id: @group.id })
+              .where("deployments.created_at > ?", @from)
+              .success
+              .count
+          end
+        end
+      end
+    end
+  end
+end
diff --git a/lib/gitlab/cycle_analytics/summary/group/issue.rb b/lib/gitlab/cycle_analytics/summary/group/issue.rb
new file mode 100644
index 00000000000..0ed870ead6f
--- /dev/null
+++ b/lib/gitlab/cycle_analytics/summary/group/issue.rb
@@ -0,0 +1,25 @@
+# frozen_string_literal: true
+
+module Gitlab
+  module CycleAnalytics
+    module Summary
+      module Group
+        class Issue < Base
+          def initialize(group:, from:, current_user:)
+            @group = group
+            @from = from
+            @current_user = current_user
+          end
+
+          def title
+            n_('New Issue', 'New Issues', value)
+          end
+
+          def value
+            @value ||= IssuesFinder.new(@current_user, group_id: @group.id).execute.created_after(@from).count
+          end
+        end
+      end
+    end
+  end
+end