Enable filtering list of favorite parties

app/controllers/api/v1/parties_controller.rb

@@ -36,7 +36,13 @@ class Api::V1::PartiesController < Api::V1::ApiController
     def favorites
         raise Api::V1::UnauthorizedError unless current_user
 
-        @parties = current_user.favorite_parties.each { |party| 
+        conditions = {}
+        conditions[:element] = request.params['element'] unless request.params['element'].blank?
+        conditions[:raid] = request.params['raid'] unless request.params['raid'].blank?
+        conditions[:created_at] = start_time..now unless request.params['recency'].blank?
+        conditions[:favorites] = { user_id: current_user.id }
+
+        @parties = Party.joins(:favorites).where(conditions).each { |party|
             party.favorited = party.is_favorited(current_user)
         }
 

app/models/favorite.rb

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

app/models/party.rb

@@ -2,12 +2,12 @@ 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
-
+    has_many :favorites
+    
     attr_accessor :favorited
 
     def is_favorited(user)