has_many 협회

Question

: 가능하게하는 방법을 호출하는 :

Clan.win #to get all won rounds 
Clan.blue #to get all rounds when clan was in blue team 

또는이 :

Clan.matches_win #need to calculate which team won match by counting rounds 
Clan.matches_lost 

라운드 모델 :

class Round < ActiveRecord::Base 
    belongs_to :match 
    has_and_belongs_to_many :banned_champions, :class_name => "Champion", :join_table => "banned_champions_rounds" 
    belongs_to :clan_blue, :class_name => "Clan", :foreign_key => "clan_blue_id" 
    belongs_to :clan_purple, :class_name => "Clan", :foreign_key => "clan_purple_id" 
    belongs_to :winner, :class_name => "Clan", :foreign_key => "winner_id" 
end 

클랜 모델 :

을

class Clan < ActiveRecord::Base 
    has_many :players 
    has_many :rounds 
end 

,210

일치 모델 : 당신의 클랜 클래스에서

class Match < ActiveRecord::Base 
    has_many :rounds 
end 

Answer 1

:

def win 
    rounds.where("winner_id = ?", self.id) 
end 

다른 사람이 더 많거나 적은 동일합니다.