Add remix state and remixes to output

app/blueprints/api/v1/party_blueprint.rb

@@ -36,6 +36,10 @@ module Api
         fields :name, :element, :shortcode, :favorited, :extra,
                :full_auto, :clear_time, :auto_guard, :created_at, :updated_at
 
+        field :remix do |p|
+          p.is_remix
+        end
+
         association :raid,
                     blueprint: RaidBlueprint
 
@@ -45,6 +49,10 @@ module Api
         association :user,
                     blueprint: UserBlueprint,
                     view: :minimal
+
+        association :remixes,
+                    blueprint: PartyBlueprint,
+                    view: :minimal
       end
 
       view :jobs do

app/models/party.rb

@@ -82,6 +82,14 @@ class Party < ApplicationRecord
     user.favorite_parties.include? self
   end
 
+  def is_remix
+    self.source_party != nil
+  end
+
+  def remixes
+    Party.where(source_party_id: self.id)
+  end
+
   def blueprint
     PartyBlueprint
   end