[ADD]组织模块相关代码

app/models/organization_extension.rb

@@ -0,0 +1,36 @@
+# == Schema Information
+#
+# Table name: organization_extensions
+#
+#  id                            :integer          not null, primary key
+#  organization_id               :integer
+#  description                   :string(255)
+#  website                       :string(255)
+#  location                      :string(255)
+#  repo_admin_change_team_access :boolean          default("0")
+#  visibility                    :integer          default("0")
+#  max_repo_creation             :integer          default("-1")
+#  created_at                    :datetime         not null
+#  updated_at                    :datetime         not null
+#
+# Indexes
+#
+#  index_organization_extensions_on_organization_id  (organization_id)
+#
+
+class OrganizationExtension < ApplicationRecord
+
+  belongs_to :organization
+
+  enum visibility: {common: 0, limited: 1, privacy: 2}
+
+  def self.build(organization_id, description, website, location, repo_admin_change_team_access, visibility, max_repo_creation)
+    self.create!(organization_id: organization_id,
+                 description: description,
+                 website: website,
+                 location: location,
+                 repo_admin_change_team_access: repo_admin_change_team_access,
+                 visibility: visibility,
+                 max_repo_creation: max_repo_creation)
+  end
+end