You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
27 lines
493 B
27 lines
493 B
class Hack < ApplicationRecord
|
|
# 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
|
|
|
|
def language
|
|
if hack_codes.count == 1
|
|
hack_codes.first.language
|
|
else
|
|
hack_codes.pluck(:language)
|
|
end
|
|
end
|
|
|
|
def code
|
|
if hack_codes.count == 1
|
|
hack_codes.first.code
|
|
else
|
|
hack_codes.pluck(:code)
|
|
end
|
|
end
|
|
|
|
end
|