3 files changed, 36 insertions, 0 deletions
diff --git a/app/models/organizations/organization.rb b/app/models/organizations/organization.rb
index ce89f57a73b..8aeca2eb137 100644
--- a/app/models/organizations/organization.rb
+++ b/app/models/organizations/organization.rb
@@ -8,6 +8,14 @@ module Organizations
 
     before_destroy :check_if_default_organization
 
+    has_many :namespaces
+    has_many :groups
+
+    has_one :settings, class_name: "OrganizationSetting"
+
+    has_many :organization_users, inverse_of: :organization
+    has_many :users, through: :organization_users, inverse_of: :organizations
+
     validates :name,
       presence: true,
       length: { maximum: 255 }
diff --git a/app/models/organizations/organization_setting.rb b/app/models/organizations/organization_setting.rb
new file mode 100644
index 00000000000..108531e6701
--- /dev/null
+++ b/app/models/organizations/organization_setting.rb
@@ -0,0 +1,20 @@
+# frozen_string_literal: true
+
+module Organizations
+  class OrganizationSetting < ApplicationRecord
+    belongs_to :organization
+
+    validates :settings, json_schema: { filename: "organization_settings" }
+
+    jsonb_accessor :settings,
+      restricted_visibility_levels: [:integer, { array: true }]
+
+    validates_each :restricted_visibility_levels do |record, attr, value|
+      value&.each do |level|
+        unless Gitlab::VisibilityLevel.options.value?(level)
+          record.errors.add(attr, format(_("'%{level}' is not a valid visibility level"), level: level))
+        end
+      end
+    end
+  end
+end
diff --git a/app/models/organizations/organization_user.rb b/app/models/organizations/organization_user.rb
new file mode 100644
index 00000000000..5aa1133b017
--- /dev/null
+++ b/app/models/organizations/organization_user.rb
@@ -0,0 +1,8 @@
+# frozen_string_literal: true
+
+module Organizations
+  class OrganizationUser < ApplicationRecord
+    belongs_to :organization, inverse_of: :organization_users, optional: false
+    belongs_to :user, inverse_of: :organization_users, optional: false
+  end
+end