✨ Expose like ratings through GQL

lib/dojinlist_web/mutations/like.ex

@@ -0,0 +1,30 @@
+defmodule DojinlistWeb.Mutations.Like do
+  use Absinthe.Schema.Notation
+
+  alias Dojinlist.{
+    Repo,
+    Likes
+  }
+
+  object :like_mutations do
+    field :like_rating, type: :rating_like do
+      arg(:rating_id, non_null(:id))
+
+      middleware(DojinlistWeb.Middlewares.Authorization)
+      middleware(Absinthe.Relay.Node.ParseIDs, rating_id: :rating)
+
+      resolve(&like_rating/2)
+    end
+  end
+
+  def like_rating(%{rating_id: rating_id}, %{context: %{current_user: user}}) do
+    case Likes.like_rating(user.id, rating_id) do
+      {:ok, like} ->
+        loaded_like = Repo.preload(like, [:user, :rating])
+        {:ok, loaded_like}
+
+      {:error, _} ->
+        {:error, "Could not like rating"}
+    end
+  end
+end

lib/dojinlist_web/schema.ex

@@ -17,6 +17,7 @@ defmodule DojinlistWeb.Schema do
   import_types(DojinlistWeb.Mutations.Permission)
   import_types(DojinlistWeb.Mutations.Me)
   import_types(DojinlistWeb.Mutations.Blog)
+  import_types(DojinlistWeb.Mutations.Like)
 
   query do
     connection field :albums, node_type: :album do
@@ -114,6 +115,7 @@ defmodule DojinlistWeb.Schema do
     import_fields(:permission_mutations)
     import_fields(:me_mutations)
     import_fields(:blog_mutations)
+    import_fields(:like_mutations)
   end
 
   node interface do

lib/dojinlist_web/types.ex

@@ -148,4 +148,9 @@ defmodule DojinlistWeb.Types do
   object :register_response do
     field :user, :user
   end
+
+  object :rating_like do
+    field :user_id, :user
+    field :rating_id, :rating
+  end
 end