Add the attribute for a avatar image url for Author.

lib/decentralised_book_index/metadata.ex

@@ -58,6 +58,7 @@ defmodule DecentralisedBookIndex.Metadata do
       define :get_author_alternative_names, args: [:author], action: :get_alternative_names
       define :search_author, action: :search, args: [:name]
       define :update_author, action: :update
+      define :assign_author_avatar_image, args: [:avatar_url], action: :assign_avatar_image
       define :destroy_author, action: :destroy
     end
 

lib/decentralised_book_index/metadata/author.ex

@@ -108,6 +108,10 @@ defmodule DecentralisedBookIndex.Metadata.Author do
 
       pagination offset?: true, default_limit: 10
     end
+
+    update :assign_avatar_image do
+      accept [:avatar_url]
+    end
   end
 
   attributes do
@@ -123,6 +127,11 @@ defmodule DecentralisedBookIndex.Metadata.Author do
       public? true
     end
 
+    attribute :avatar_url, :string do
+      allow_nil? true
+      public? true
+    end
+
     timestamps()
   end
 

priv/repo/migrations/20250316064910_update_author_to_add_avatar_url.exs

@@ -0,0 +1,21 @@
+defmodule DecentralisedBookIndex.Repo.Migrations.UpdateAuthorToAddAvatarUrl 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(:authors) do
+      add :avatar_url, :text
+    end
+  end
+
+  def down do
+    alter table(:authors) do
+      remove :avatar_url
+    end
+  end
+end

priv/resource_snapshots/repo/authors/20250316064910.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": "name",
+      "type": "text"
+    },
+    {
+      "allow_nil?": false,
+      "default": "nil",
+      "generated?": false,
+      "primary_key?": false,
+      "references": null,
+      "size": null,
+      "source": "description",
+      "type": "text"
+    },
+    {
+      "allow_nil?": true,
+      "default": "nil",
+      "generated?": false,
+      "primary_key?": false,
+      "references": null,
+      "size": null,
+      "source": "avatar_url",
+      "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": "authors_author_alias_registry_id_fkey",
+        "on_delete": null,
+        "on_update": null,
+        "primary_key?": true,
+        "schema": "public",
+        "table": "author_alias_registries"
+      },
+      "size": null,
+      "source": "author_alias_registry_id",
+      "type": "uuid"
+    }
+  ],
+  "base_filter": null,
+  "check_constraints": [],
+  "custom_indexes": [],
+  "custom_statements": [],
+  "has_create_action": true,
+  "hash": "0B4CCF358A5DFEC0FB98A664FC575AA12A5E851C61722E7AC620FCA5D97FFCF8",
+  "identities": [],
+  "multitenancy": {
+    "attribute": null,
+    "global": null,
+    "strategy": null
+  },
+  "repo": "Elixir.DecentralisedBookIndex.Repo",
+  "schema": null,
+  "table": "authors"
+}

test/decentralised_book_index/metadata/author_roles_test.exs

@@ -24,4 +24,16 @@ defmodule DecentralisedBookIndex.Metadata.AuthorRolesTest do
       refute author_role.role
     end
   end
+
+  describe "author's avatar image" do
+    test "update avatar image" do
+      avatar_url = "/images/avatar.avif"
+
+      {:ok, author} = Metadata.create_author("Author", "An description")
+
+      assert {:ok, author} = Metadata.assign_author_avatar_image(author, avatar_url)
+
+      assert author.avatar_url == avatar_url
+    end
+  end
 end