Implement 'copy' method on Repository object

app/models/repository.rb

@@ -13,4 +13,31 @@ class Repository < ActiveRecord::Base
             length: { maximum: Constants::NAME_MAX_LENGTH }
   validates :team, presence: true
   validates :created_by, presence: true
+
+  def copy(created_by, name)
+    new_repo = nil
+
+    begin
+      Repository.transaction do
+        # Clone the repository object
+        new_repo = dup
+        new_repo.created_by = created_by
+        new_repo.name = name
+        new_repo.save!
+
+        # Clone columns (only if new_repo was saved)
+        repository_columns.find_each do |col|
+          new_col = col.dup
+          new_col.repository = new_repo
+          new_col.created_by = created_by
+          new_col.save!
+        end
+      end
+    rescue ActiveRecord::RecordInvalid
+      return false
+    end
+
+    # If everything is okay, return new_repo
+    new_repo
+  end
 end