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class Hack < ApplicationRecord
# status: 0 未发布； 1已发布
# diffcult: 难度 1： ； ： ； ：
# 编程题
validates_length_of :name , maximum : 60
# 测试集
has_many :hack_sets , - > { order ( " position asc " ) } , :dependent = > :destroy
# 代码
has_many :hack_codes , :dependent = > :destroy
has_many :hack_user_lastest_codes , :dependent = > :destroy
has_many :discusses , as : :dis , dependent : :destroy
belongs_to :user
scope :published , - > { where ( status : 1 ) }
scope :opening , - > { where ( open_or_not : 1 ) }
scope :mine , - > ( author_id ) { where ( user_id : author_id ) }
def language
if hack_codes . count == 1
hack_codes . first . language
else
hack_codes . pluck ( :language ) . first
end
end
def code
if hack_codes . count == 1
tran_base64_decode64 ( hack_codes . first . code )
else
tran_base64_decode64 ( hack_codes . pluck ( :code ) )
end
end
# 用于用户调试的第一个测试用例
def input_test_case
hack_sets . first & . input
end
end
