Class: StudentRandomizer

Inherits:
Object
  • Object
show all
Defined in:
lib/student_randomizer.rb

Instance Method Summary collapse

Constructor Details

#initialize(mentor_group) ⇒ StudentRandomizer 



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# File 'lib/student_randomizer.rb', line 3

def initialize(mentor_group)
  @mentor_group = mentor_group
  @group_size = @mentor_group.members.length
  @chosen_students = []
end

Instance Method Details

#choose_by_number(number, articles) ⇒ Object 



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# File 'lib/student_randomizer.rb', line 9

def choose_by_number(number, articles)
  random_generator = Random.new(number)
  output_students(random_generator, articles)
end

#choose_by_string(string, articles) ⇒ Object 



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# File 'lib/student_randomizer.rb', line 14

def choose_by_string(string, articles)
  seed_number = string.sum
  random_generator = Random.new(seed_number)
  output_students(random_generator, articles)
end

#choose_totally_random(articles) ⇒ Object 



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# File 'lib/student_randomizer.rb', line 20

def choose_totally_random(articles)
  random_generator = Random.new
  output_students(random_generator, articles)
end

#chosen_student(random_index) ⇒ Object 



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# File 'lib/student_randomizer.rb', line 41

def chosen_student(random_index)
  @mentor_group.members[random_index]
end

#output_students(random_generator, articles) ⇒ Object 



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# File 'lib/student_randomizer.rb', line 25

def output_students(random_generator, articles)
  articles.times do
    random_index = random_generator.rand(0...@group_size)
    student = chosen_student(random_index)
    while @chosen_students.include?(student)
      if @chosen_students.length == articles
        @chosen_students = []
      end
      random_index = random_generator.rand(0...@group_size)
      student = chosen_student(random_index)
    end
    puts student.name
    @chosen_students << student
  end
end