1 files changed, 19 insertions, 0 deletions
diff --git a/app/models/packages/dependency_link.rb b/app/models/packages/dependency_link.rb
new file mode 100644
index 00000000000..51018602bdc
--- /dev/null
+++ b/app/models/packages/dependency_link.rb
@@ -0,0 +1,19 @@
+# frozen_string_literal: true
+class Packages::DependencyLink < ApplicationRecord
+  belongs_to :package, inverse_of: :dependency_links
+  belongs_to :dependency, inverse_of: :dependency_links, class_name: 'Packages::Dependency'
+  has_one :nuget_metadatum, inverse_of: :dependency_link, class_name: 'Packages::Nuget::DependencyLinkMetadatum'
+
+  validates :package, :dependency, presence: true
+
+  validates :dependency_type,
+    uniqueness: { scope: %i[package_id dependency_id] }
+
+  enum dependency_type: { dependencies: 1, devDependencies: 2, bundleDependencies: 3, peerDependencies: 4 }
+
+  scope :with_dependency_type, ->(dependency_type) { where(dependency_type: dependency_type) }
+  scope :includes_dependency, -> { includes(:dependency) }
+  scope :for_package, ->(package) { where(package_id: package.id) }
+  scope :preload_dependency, -> { preload(:dependency) }
+  scope :preload_nuget_metadatum, -> { preload(:nuget_metadatum) }
+end