Class: Questions::SingleSelect

Inherits:
Object
  • Object
show all
Defined in:
lib/erik-single-select.rb

Class Method Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(index, question_json) ⇒ SingleSelect

Returns a new instance of SingleSelect.



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# File 'lib/erik-single-select.rb', line 5

def initialize(index, question_json)
  @index = index
  @text = question_json['question']
  @options = question_json['options']
  @answer = question_json['answer']
end

Class Method Details

.schema ⇒ Object 



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# File 'lib/erik-single-select.rb', line 32

def self.schema
  {
    "properties": {
      "question": {
        "type": "string"
      },
      "type": {
        "type": "string",
        "pattern": "^single-select$"
      },
      "options": {
        "type": "array",
        "items": {
          "type": "string"
        }
      },
      "answer": {
        "type": "integer",
      }
    },
    "required": [
      "question",
      "type",
      "options",
      "answer"
    ],
    "additionalProperties": false
  }
end

Instance Method Details

#mark(answer) ⇒ Object 



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# File 'lib/erik-single-select.rb', line 16

def mark(answer)
  correct = answer == @answer.to_s
  QuestionFeedback.new(correct, correct ? nil : %(The correct answer was "#{@options[@answer]}".))
end

#name ⇒ Object 



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# File 'lib/erik-single-select.rb', line 12

def name
  @text
end

#to_html ⇒ Object 



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# File 'lib/erik-single-select.rb', line 21

def to_html
  options_html = @options.collect.with_index do |option, index|
    id = "q-#{@index}-#{index}"
    %(<div>
        <input id="#{id}" type="radio" name="q-#{@index}" value="#{index}" />
        <label for="#{id}">#{option}</label>
      </div>)
  end
  options_html.join("\n")
end