Update the Book to add language, format, page_count, published date.

lib/decentralised_book_index/metadata.ex

@@ -19,6 +19,10 @@ defmodule DecentralisedBookIndex.Metadata do
         args: [
           :title,
           :description,
+          :language,
+          :format,
+          :page_count,
+          :published,
           :bids,
           :author_roles,
           :publisher_id,
@@ -27,7 +31,7 @@ defmodule DecentralisedBookIndex.Metadata do
 
       define :add_book_to_related_editions_registry,
         action: :add_book_to_related_editions_registry,
-        args: [:title, :description, :bids, :author_roles, :publisher_id, :related_book_id]
+        args: [:title, :description, :language, :format, :page_count, :published, :bids, :author_roles, :publisher_id, :related_book_id]
 
       define :list_books, action: :read
       define :get_book_by_id, args: [:id], action: :by_id

lib/decentralised_book_index/metadata/book.ex

@@ -17,7 +17,7 @@ defmodule DecentralisedBookIndex.Metadata.Book do
 
     create :create do
       primary? true
-      accept [:title, :description, :publisher_id, :book_editions_registry_id]
+      accept [:title, :description, :format, :language, :page_count, :published, :publisher_id, :book_editions_registry_id]
       argument :bids, {:array, :map}
       argument :author_roles, {:array, :map}
 
@@ -38,7 +38,7 @@ defmodule DecentralisedBookIndex.Metadata.Book do
     end
 
     create :add_book_to_related_editions_registry do
-      accept [:title, :description, :publisher_id]
+      accept [:title, :description, :format, :language, :page_count, :published, :publisher_id]
 
       argument :related_book_id, :uuid do
         allow_nil? false
@@ -115,6 +115,26 @@ defmodule DecentralisedBookIndex.Metadata.Book do
       public? true
     end
 
+    attribute :published, :date do
+      allow_nil? false
+      public? true
+    end
+
+    attribute :language, :string do
+      allow_nil? false
+      public? true
+    end
+
+    attribute :format, :string do
+      allow_nil? false
+      public? true
+    end
+
+    attribute :page_count, :integer do
+      allow_nil? false
+      public? true
+    end
+
     timestamps()
   end