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
+    resource DecentralisedBookIndex.Metadata.BookId do
-    routes do
+      define :create_book_id, action: :create, args: [:type, :bid, :order]
-      base_route "/author", Metadata.Author do
+      define :list_book_ids, action: :read
-        get :read
+      define :get_book_id_by_id, args: [:id], action: :by_id
-        index :search
+      define :update_book_id, action: :update
-      end
+      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

priv/repo/migrations/20250314080954_add_book_ids_and_book_relationship.exs

@@ -0,0 +1,48 @@
+defmodule DecentralisedBookIndex.Repo.Migrations.AddBookIdsAndBookRelationship do
+  @moduledoc """
+  Updates resources based on their most recent snapshots.
+
+  This file was autogenerated with `mix ash_postgres.generate_migrations`
+  """
+
+  use Ecto.Migration
+
+  def up do
+    alter table(:books) do
+      remove :isbn
+    end
+
+    create table(:book_ids, primary_key: false) do
+      add :id, :uuid, null: false, default: fragment("gen_random_uuid()"), primary_key: true
+      add :type, :text, null: false
+      add :bid, :text, null: false
+      add :order, :bigint, null: false
+
+      add :inserted_at, :utc_datetime_usec,
+        null: false,
+        default: fragment("(now() AT TIME ZONE 'utc')")
+
+      add :updated_at, :utc_datetime_usec,
+        null: false,
+        default: fragment("(now() AT TIME ZONE 'utc')")
+
+      add :book_id,
+          references(:books,
+            column: :id,
+            name: "book_ids_book_id_fkey",
+            type: :uuid,
+            prefix: "public"
+          )
+    end
+  end
+
+  def down do
+    drop constraint(:book_ids, "book_ids_book_id_fkey")
+
+    drop table(:book_ids)
+
+    alter table(:books) do
+      add :isbn, :text, null: false
+    end
+  end
+end

priv/resource_snapshots/repo/book_ids/20250314080955.json

@@ -0,0 +1,108 @@
+{
+  "attributes": [
+    {
+      "allow_nil?": false,
+      "default": "fragment(\"gen_random_uuid()\")",
+      "generated?": false,
+      "primary_key?": true,
+      "references": null,
+      "size": null,
+      "source": "id",
+      "type": "uuid"
+    },
+    {
+      "allow_nil?": false,
+      "default": "nil",
+      "generated?": false,
+      "primary_key?": false,
+      "references": null,
+      "size": null,
+      "source": "type",
+      "type": "text"
+    },
+    {
+      "allow_nil?": false,
+      "default": "nil",
+      "generated?": false,
+      "primary_key?": false,
+      "references": null,
+      "size": null,
+      "source": "bid",
+      "type": "text"
+    },
+    {
+      "allow_nil?": false,
+      "default": "nil",
+      "generated?": false,
+      "primary_key?": false,
+      "references": null,
+      "size": null,
+      "source": "order",
+      "type": "bigint"
+    },
+    {
+      "allow_nil?": false,
+      "default": "fragment(\"(now() AT TIME ZONE 'utc')\")",
+      "generated?": false,
+      "primary_key?": false,
+      "references": null,
+      "size": null,
+      "source": "inserted_at",
+      "type": "utc_datetime_usec"
+    },
+    {
+      "allow_nil?": false,
+      "default": "fragment(\"(now() AT TIME ZONE 'utc')\")",
+      "generated?": false,
+      "primary_key?": false,
+      "references": null,
+      "size": null,
+      "source": "updated_at",
+      "type": "utc_datetime_usec"
+    },
+    {
+      "allow_nil?": true,
+      "default": "nil",
+      "generated?": false,
+      "primary_key?": false,
+      "references": {
+        "deferrable": false,
+        "destination_attribute": "id",
+        "destination_attribute_default": null,
+        "destination_attribute_generated": null,
+        "index?": false,
+        "match_type": null,
+        "match_with": null,
+        "multitenancy": {
+          "attribute": null,
+          "global": null,
+          "strategy": null
+        },
+        "name": "book_ids_book_id_fkey",
+        "on_delete": null,
+        "on_update": null,
+        "primary_key?": true,
+        "schema": "public",
+        "table": "books"
+      },
+      "size": null,
+      "source": "book_id",
+      "type": "uuid"
+    }
+  ],
+  "base_filter": null,
+  "check_constraints": [],
+  "custom_indexes": [],
+  "custom_statements": [],
+  "has_create_action": true,
+  "hash": "A3DC9C31FED651813574444110B78088B636E27F25A22BADF8DACF121B3CD9CE",
+  "identities": [],
+  "multitenancy": {
+    "attribute": null,
+    "global": null,
+    "strategy": null
+  },
+  "repo": "Elixir.DecentralisedBookIndex.Repo",
+  "schema": null,
+  "table": "book_ids"
+}

priv/resource_snapshots/repo/books/20250314080955.json

@@ -0,0 +1,98 @@
+{
+  "attributes": [
+    {
+      "allow_nil?": false,
+      "default": "fragment(\"gen_random_uuid()\")",
+      "generated?": false,
+      "primary_key?": true,
+      "references": null,
+      "size": null,
+      "source": "id",
+      "type": "uuid"
+    },
+    {
+      "allow_nil?": false,
+      "default": "nil",
+      "generated?": false,
+      "primary_key?": false,
+      "references": null,
+      "size": null,
+      "source": "title",
+      "type": "text"
+    },
+    {
+      "allow_nil?": false,
+      "default": "nil",
+      "generated?": false,
+      "primary_key?": false,
+      "references": null,
+      "size": null,
+      "source": "description",
+      "type": "text"
+    },
+    {
+      "allow_nil?": false,
+      "default": "fragment(\"(now() AT TIME ZONE 'utc')\")",
+      "generated?": false,
+      "primary_key?": false,
+      "references": null,
+      "size": null,
+      "source": "inserted_at",
+      "type": "utc_datetime_usec"
+    },
+    {
+      "allow_nil?": false,
+      "default": "fragment(\"(now() AT TIME ZONE 'utc')\")",
+      "generated?": false,
+      "primary_key?": false,
+      "references": null,
+      "size": null,
+      "source": "updated_at",
+      "type": "utc_datetime_usec"
+    },
+    {
+      "allow_nil?": true,
+      "default": "nil",
+      "generated?": false,
+      "primary_key?": false,
+      "references": {
+        "deferrable": false,
+        "destination_attribute": "id",
+        "destination_attribute_default": null,
+        "destination_attribute_generated": null,
+        "index?": false,
+        "match_type": null,
+        "match_with": null,
+        "multitenancy": {
+          "attribute": null,
+          "global": null,
+          "strategy": null
+        },
+        "name": "books_book_editions_registry_id_fkey",
+        "on_delete": null,
+        "on_update": null,
+        "primary_key?": true,
+        "schema": "public",
+        "table": "book_editions_registries"
+      },
+      "size": null,
+      "source": "book_editions_registry_id",
+      "type": "uuid"
+    }
+  ],
+  "base_filter": null,
+  "check_constraints": [],
+  "custom_indexes": [],
+  "custom_statements": [],
+  "has_create_action": true,
+  "hash": "223A162BB5B9834C390467F85FB3A7ADC00F5EA9A223CD1A796D280518459C84",
+  "identities": [],
+  "multitenancy": {
+    "attribute": null,
+    "global": null,
+    "strategy": null
+  },
+  "repo": "Elixir.DecentralisedBookIndex.Repo",
+  "schema": null,
+  "table": "books"
+}