app/models/multiple_choice_radio.rb
class MultipleChoiceRadio < QuizQuestion
def edit
quiz_question_choices = QuizQuestionChoice.where(question_id: self.id)
html = '<tr><td>'
html += '<textarea cols="100" name="question[' + self.id.to_s + '][txt]" '
html += 'id="question_' + self.id.to_s + '_txt">' + self.txt + '</textarea>'
html += '</td></tr>'
for i in 0..3
html += "<tr><td>"
html += '<input type="radio" name="quiz_question_choices[' + self.id.to_s + '][MultipleChoiceRadio][correctindex]" '
html += 'id="quiz_question_choices_' + self.id.to_s + '_MultipleChoiceRadio_correctindex_' + (i + 1).to_s + '" value="' + (i + 1).to_s + '" '
html += 'checked="checked" ' if quiz_question_choices[i].iscorrect
html += '/>'
html += '<input type="text" name="quiz_question_choices[' + self.id.to_s + '][MultipleChoiceRadio][' + (i + 1).to_s + '][txt]" '
html += 'id="quiz_question_choices_' + self.id.to_s + '_MultipleChoiceRadio_' + (i + 1).to_s + '_txt" '
html += 'value="' + quiz_question_choices[i].txt + '" size="40" />'
html += '</td></tr>'
end
html.html_safe
end
def complete
quiz_question_choices = QuizQuestionChoice.where(question_id: self.id)
html = "<label for=\"" + self.id.to_s + "\">" + self.txt + "</label><br>"
for i in 0..3
txt = quiz_question_choices[i].txt
html += "<input name = " + "\"#{self.id}\" "
html += "id = " + "\"#{self.id}" + "_" + "#{i + 1}\" "
html += "value = " + "\"#{quiz_question_choices[i].txt}\" "
html += "type=\"radio\"/>"
html += quiz_question_choices[i].txt.to_s
html += "</br>"
end
html
end
def view_completed_question(user_answer)
quiz_question_choices = QuizQuestionChoice.where(question_id: self.id)
html = ''
quiz_question_choices.each do |answer|
html += if answer.iscorrect
'<b>' + answer.txt + '</b> -- Correct <br>'
else
answer.txt + '<br>'
end
end
html += '<br>Your answer is: '
html += '<b>' + user_answer.first.comments.to_s + '</b>'
html += if user_answer.first.answer == 1
'<img src="/assets/Check-icon.png"/>'
else
'<img src="/assets/delete_icon.png"/>'
end
html += '</b>'
html += '<br><br><hr>'
html.html_safe
end
def isvalid(choice_info)
valid = "valid"
valid = "Please make sure all questions have text" if self.txt == ''
correct_count = 0
choice_info.each do |_idx, value|
if value[:txt] == '' or value[:txt].empty? or value[:txt].nil?
valid = "Please make sure every question has text for all options"
break
end
correct_count += 1 if value.key?(:iscorrect)
end
valid = "Please select a correct answer for all questions" if correct_count == 0
valid
end
end