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40 lines
1.2 KiB
40 lines
1.2 KiB
class ExerciseBankQuestion < ApplicationRecord
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belongs_to :exercise_bank
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belongs_to :shixun, optional: true
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has_many :exercise_bank_shixun_challenges,:dependent => :destroy
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has_many :exercise_bank_choices, :dependent => :destroy
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has_many :exercise_bank_standard_answers, :dependent => :destroy
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#attr_accessible :question_number, :question_score, :question_title, :question_type
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scope :insert_question_ex, lambda {|k| where("question_number > ?",k)}
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scope :find_by_custom, lambda {|k,v| where("#{k} = ?",v)} #根据传入的参数查找问题
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scope :left_question_choose, lambda {|k,v| where("#{k} > ?",v)} #根据传入的参数查找问题
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scope :find_objective_questions, -> {where("question_type != ?",4)} #查找全部客观题
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def question_type_name
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case self.question_type
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when 0
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"单选题"
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when 1
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"多选题"
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when 2
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"判断题"
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when 3
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"填空题"
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when 4
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"简答题"
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when 5
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"实训题"
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end
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end
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#获取问题的全部标准答案
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def get_standard_answer_ids
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exercise_bank_standard_answers.pluck(:exercise_bank_choice_id)
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end
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def get_standard_answer_text
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exercise_bank_standard_answers.pluck(:answer_text)
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end
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end |