1 files changed, 21 insertions, 0 deletions
diff --git a/lib/ci/project_list_builder.rb b/lib/ci/project_list_builder.rb
new file mode 100644
index 00000000000..da26f9a9f47
--- /dev/null
+++ b/lib/ci/project_list_builder.rb
@@ -0,0 +1,21 @@
+module Ci
+  class ProjectListBuilder
+    def execute(current_user, search = nil)
+      projects = current_user.authorized_projects
+      projects = projects.search(search) if search
+      
+      projects.
+        joins("LEFT JOIN ci_projects ON projects.id = ci_projects.gitlab_id
+          LEFT JOIN #{last_commit_subquery} AS last_commit ON #{Ci::Project.table_name}.id = last_commit.project_id").
+        reorder("ci_projects.id is NULL ASC,
+          CASE WHEN last_commit.committed_at IS NULL THEN 1 ELSE 0 END,
+          last_commit.committed_at DESC")
+    end
+
+    private
+
+    def last_commit_subquery
+      "(SELECT project_id, MAX(committed_at) committed_at FROM #{Ci::Commit.table_name} GROUP BY project_id)"
+    end
+  end
+end