Association update and favorites method on User

app/models/favorite.rb

@@ -1,5 +1,6 @@
 class Favorite < ApplicationRecord
     belongs_to :user
+    has_one :party
 
     def party
         Party.find(self.party_id)

app/models/party.rb

@@ -2,6 +2,8 @@ class Party < ApplicationRecord
 ##### ActiveRecord Associations
     belongs_to :user, optional: true
     belongs_to :raid, optional: true
+    belongs_to :favorite, optional: true
+    
     has_many :characters, foreign_key: "party_id", class_name: "GridCharacter", dependent: :destroy
     has_many :weapons, foreign_key: "party_id", class_name: "GridWeapon", dependent: :destroy
     has_many :summons, foreign_key: "party_id", class_name: "GridSummon", dependent: :destroy

app/models/user.rb

@@ -3,6 +3,7 @@ class User < ApplicationRecord
 
     ##### ActiveRecord Associations
     has_many :parties, dependent: :destroy
+    has_many :favorites, dependent: :destroy
 
     ##### ActiveRecord Validations
     validates :username,
@@ -35,4 +36,8 @@ class User < ApplicationRecord
 
 ##### ActiveModel Security
     has_secure_password
+
+    def favorite_parties
+        self.favorites.map { |favorite| favorite.party }
+    end
 end