Class: Question

Inherits:
Object
  • Object
show all
Defined in:
lib/battleroom/models/question.rb

Instance Attribute Summary collapse

Class Method Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(evaluation_scope) ⇒ Question

Returns a new instance of Question.



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# File 'lib/battleroom/models/question.rb', line 7

def initialize(evaluation_scope)
  @evaluation_scope = evaluation_scope
  @data = self.class.generate_question
  @variable_name = rotate_array(data[:possible_variable_names] || []).first
  @input_mechanism = 'readline'
  post_initialize
end

Instance Attribute Details

#answer_value ⇒ Object

Returns the value of attribute answer_value.



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# File 'lib/battleroom/models/question.rb', line 3

def answer_value
  @answer_value
end

#data ⇒ Object (readonly)

Returns the value of attribute data.



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# File 'lib/battleroom/models/question.rb', line 2

def data
  @data
end

#data_structure ⇒ Object

Returns the value of attribute data_structure.



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# File 'lib/battleroom/models/question.rb', line 3

def data_structure
  @data_structure
end

#data_structure_class ⇒ Object

Returns the value of attribute data_structure_class.



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# File 'lib/battleroom/models/question.rb', line 3

def data_structure_class
  @data_structure_class
end

#evaluation_scope ⇒ Object

Returns the value of attribute evaluation_scope.



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# File 'lib/battleroom/models/question.rb', line 3

def evaluation_scope
  @evaluation_scope
end

#explanation ⇒ Object

Returns the value of attribute explanation.



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# File 'lib/battleroom/models/question.rb', line 3

def explanation
  @explanation
end

#input_mechanism ⇒ Object

Returns the value of attribute input_mechanism.



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# File 'lib/battleroom/models/question.rb', line 3

def input_mechanism
  @input_mechanism
end

#user_input ⇒ Object

Returns the value of attribute user_input.



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# File 'lib/battleroom/models/question.rb', line 3

def user_input
  @user_input
end

#variable_name ⇒ Object

Returns the value of attribute variable_name.



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# File 'lib/battleroom/models/question.rb', line 3

def variable_name
  @variable_name
end

#variable_value ⇒ Object

Returns the value of attribute variable_value.



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# File 'lib/battleroom/models/question.rb', line 3

def variable_value
  @variable_value
end

Class Method Details

.generate_question ⇒ Object

avoids immediate re-sampling of questions



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# File 'lib/battleroom/models/question.rb', line 20

def self.generate_question
  # calls upon *class instance* variable assigned in the subclasses
  question = @questions.shift
  @questions.push(question)
  question
end

Instance Method Details

#congratulation_sequence(duration) ⇒ Object 



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# File 'lib/battleroom/models/question.rb', line 27

def congratulation_sequence(duration)
  print_congratulation
  sleep(duration)
  clear_display
end

#enter_evaluation_loop(&block) ⇒ Object 



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# File 'lib/battleroom/models/question.rb', line 50

def enter_evaluation_loop(&block)
  answered_correctly = false
  until answered_correctly
    begin
      user_input = get_input
      abort('Goodbye!'.green) if user_input.match(/^(q|exit|!!!\s?)\z/i)
      if !naughty_input?(user_input) && yield(user_input)
        congratulation_sequence(1.6)
        answered_correctly = true
      end
    rescue SyntaxError => e
      handle_syntax_error_exceptions(e)
    end
  end
end

#get_input ⇒ Object 



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# File 'lib/battleroom/models/question.rb', line 41

def get_input
  if input_mechanism == 'readline'
    Readline.readline('> '.blue, true).chomp
  else
    Pry.start_without_pry_byebug(evaluation_scope)
    $input.chomp
  end
end

#handle_syntax_error_exceptions(error) ⇒ Object 



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# File 'lib/battleroom/models/question.rb', line 33

def handle_syntax_error_exceptions(error)
  if error.message.match /unexpected end-of-input/
    print_unexpected_end_of_input_explanation(error)
  elsif error.message.include?('unterminated string meets end of file')
    battleprint 'Blurg! You neglected to provide closing quotes for your string. Try again!'.red
  end
end

#post_initialize ⇒ Object 



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# File 'lib/battleroom/models/question.rb', line 15

def post_initialize
  nil
end