Update DBIServer to add a relationship to itself and the sync on attribute.

lib/decentralised_book_index/metadata/dbi_server.ex

@@ -21,12 +21,12 @@ defmodule DecentralisedBookIndex.Metadata.DBIServer do
 
     create :create do
       primary? true
-      accept [:name, :url]
+      accept [:name, :url, :sync_on?]
     end
 
     update :update do
       primary? true
-      accept [:name, :url]
+      accept [:name, :url, :sync_on?]
     end
 
     read :by_id do
@@ -51,6 +51,10 @@ defmodule DecentralisedBookIndex.Metadata.DBIServer do
     bypass actor_attribute_equals(:role, :admin) do
       authorize_if always()
     end
+
+    policy action_type(:read) do
+      authorize_if always()
+    end
   end
 
   attributes do
@@ -66,6 +70,11 @@ defmodule DecentralisedBookIndex.Metadata.DBIServer do
       public? true
     end
 
+    attribute :sync_on?, :boolean do
+      allow_nil? true
+      default false
+    end
+
     timestamps do
       writable? true
       public? true
@@ -73,6 +82,8 @@ defmodule DecentralisedBookIndex.Metadata.DBIServer do
   end
 
   relationships do
+    belongs_to :dbi_server, Metadata.DBIServer
+
     has_many :author, Metadata.Author
     has_many :author_alias_registries, Metadata.AuthorAliasRegistry
     has_many :author_roles, Metadata.AuthorRole