1 files changed, 15 insertions, 0 deletions
diff --git a/app/models/fork_network.rb b/app/models/fork_network.rb
new file mode 100644
index 00000000000..218e37a5312
--- /dev/null
+++ b/app/models/fork_network.rb
@@ -0,0 +1,15 @@
+class ForkNetwork < ActiveRecord::Base
+  belongs_to :root_project, class_name: 'Project'
+  has_many :fork_network_members
+  has_many :projects, through: :fork_network_members
+
+  after_create :add_root_as_member, if: :root_project
+
+  def add_root_as_member
+    projects << root_project
+  end
+
+  def find_forks_in(other_projects)
+    projects.where(id: other_projects)
+  end
+end