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.
trustieforge/app/helpers/exercise_helper.rb

97 lines
2.1 KiB

# encoding: utf-8
module ExerciseHelper
# 单选
def sigle_selection_standard_answer(params)
size = params.ord - 96
if size > 0 # 小写字母答案
answer = params.ord - 96
else
answer = params.ord - 64
end
end
# 多选
def multiselect_standard_answer(params)
size = params.ord - 96
answer = []
if size > 0 # 小写字母答案
for i in 0..(params.length-1)
answer << (params[i].ord - 96).to_s
end
else
for i in 0..(params.length-1)
answer << (params[i].ord - 64)
end
end
answer = answer.sort
answer.join("")
end
def fill_standart_answer(params, standart_answer)
params.each do |param|
standart_answer.answer_text = param.value
standart_answer.save
end
end
#判断用户是否已经提交了问卷
def has_commit_exercise?(exercise_id, user_id)
pu = ExerciseUser.find_by_exercise_id_and_user_id(exercise_id, user_id)
if pu.nil?
false
else
true
end
end
def convert_to_char(str)
result = ""
length = str.length
unless str.nil?
if length === 1
result += (str.to_i + 64).chr
return result
elsif length > 1
for i in 0...length
result += (str[i].to_i + 64).chr
end
return result
end
end
return result
end
def get_current_score exercise
score = 0
unless exercise.nil?
exercise.exercise_questions.each do |exercise_question|
unless exercise_question.question_score.nil?
score += exercise_question.question_score
end
end
return score
end
return score
end
def answer_be_selected?(answer,user)
pv = answer.exercise_answers.where("#{ExerciseAnswer.table_name}.user_id = #{user.id} ")
if !pv.nil? && pv.count > 0
true
else
false
end
end
#获取文本题答案
def get_anwser_vote_text(question_id,user_id)
pv = ExerciseAnswer.find_by_exercise_question_id_and_user_id(question_id,user_id)
if pv.nil?
''
else
pv.answer_text
end
end
end