Add BookId as ids for Book.

lib/decentralised_book_index/metadata.ex

@@ -3,21 +3,30 @@ defmodule DecentralisedBookIndex.Metadata do
 
   alias DecentralisedBookIndex.Metadata
 
+  json_api do
+    routes do
+      base_route "/author", Metadata.Author do
+        get :read
+        index :search
+      end
+    end
+  end
+
   resources do
     resource DecentralisedBookIndex.Metadata.Book do
       define :create_book,
         action: :create,
         args: [
           :title,
-          :isbn,
           :description,
+          :bids,
           :author_roles,
           {:optional, :book_editions_registry_id}
         ]
 
       define :add_book_to_related_editions_registry,
         action: :add_book_to_related_editions_registry,
-        args: [:title, :isbn, :description, :author_roles, :related_book_id]
+        args: [:title, :description, :bids, :author_roles, :related_book_id]
 
       define :list_books, action: :read
       define :get_book_by_id, args: [:id], action: :by_id
@@ -70,14 +79,13 @@ defmodule DecentralisedBookIndex.Metadata do
       define :update_author_role, action: :update
       define :destroy_author_role, action: :destroy
     end
-  end
 
-  json_api do
-    routes do
-      base_route "/author", Metadata.Author do
-        get :read
-        index :search
-      end
+    resource DecentralisedBookIndex.Metadata.BookId do
+      define :create_book_id, action: :create, args: [:type, :bid, :order]
+      define :list_book_ids, action: :read
+      define :get_book_id_by_id, args: [:id], action: :by_id
+      define :update_book_id, action: :update
+      define :destroy_book_id, action: :destroy
     end
   end
 end

lib/decentralised_book_index/metadata/book.ex

@@ -17,7 +17,8 @@ defmodule DecentralisedBookIndex.Metadata.Book do
 
     create :create do
       primary? true
-      accept [:title, :isbn, :description, :book_editions_registry_id]
+      accept [:title, :description, :book_editions_registry_id]
+      argument :bids, {:array, :map}
       argument :author_roles, {:array, :map}
 
       change fn changeset, _ ->
@@ -32,16 +33,18 @@ defmodule DecentralisedBookIndex.Metadata.Book do
         end
       end
 
+      change manage_relationship(:bids, type: :direct_control, order_is_key: :order)
       change manage_relationship(:author_roles, type: :direct_control, order_is_key: :order)
     end
 
     create :add_book_to_related_editions_registry do
-      accept [:title, :isbn, :description]
+      accept [:title, :description]
 
       argument :related_book_id, :uuid do
         allow_nil? false
       end
 
+      argument :bids, {:array, :map}
       argument :author_roles, {:array, :map}
 
       change fn changeset, context ->
@@ -56,6 +59,7 @@ defmodule DecentralisedBookIndex.Metadata.Book do
         end
       end
 
+      change manage_relationship(:bids, type: :direct_control, order_is_key: :order)
       change manage_relationship(:author_roles, type: :direct_control, order_is_key: :order)
     end
 
@@ -99,11 +103,6 @@ defmodule DecentralisedBookIndex.Metadata.Book do
       public? true
     end
 
-    attribute :isbn, :string do
-      allow_nil? false
-      public? true
-    end
-
     attribute :description, :string do
       allow_nil? false
       public? true
@@ -119,5 +118,10 @@ defmodule DecentralisedBookIndex.Metadata.Book do
       sort order: :asc
       public? true
     end
+
+    has_many :bids, Metadata.BookId do
+      sort order: :asc
+      public? true
+    end
   end
 end

lib/decentralised_book_index/metadata/book_id.ex

@@ -0,0 +1,55 @@
+defmodule DecentralisedBookIndex.Metadata.BookId do
+  use Ash.Resource,
+    otp_app: :decentralised_book_index,
+    domain: DecentralisedBookIndex.Metadata,
+    data_layer: AshPostgres.DataLayer
+
+  alias DecentralisedBookIndex.Metadata
+
+  postgres do
+    table "book_ids"
+    repo DecentralisedBookIndex.Repo
+  end
+
+  actions do
+    defaults [:read, :update, :destroy]
+
+    create :create do
+      primary? true
+      accept [:type, :bid, :order]
+    end
+
+    read :by_id do
+      argument :id, :uuid, allow_nil?: false
+      get? true
+      filter expr(id == ^arg(:id))
+    end
+  end
+
+  attributes do
+    uuid_primary_key :id
+
+    attribute :type, :string do
+      allow_nil? false
+      public? true
+    end
+
+    attribute :bid, :string do
+      allow_nil? false
+      public? true
+    end
+
+    attribute :order, :integer do
+      allow_nil? false
+      public? true
+    end
+
+    timestamps()
+  end
+
+  relationships do
+    belongs_to :book, Metadata.Book do
+      allow_nil? true
+    end
+  end
+end