lab3/input_modules.rb - lab4 - polina_2025/labruby

lab3/input_modules.rb
192 строки5 KB
Polina_2025
lab3
01 июн 2026, 12:53
01 июн 2026, 12:53b97fcf2
require_relative 'student'

module InputValidator
  def self.valid_student_count?(count)
    count.is_a?(Integer) && count > 0
  end

  def self.valid_skill_name?(name)
    return false if name.empty?
    return false if name.length > 30
    name.match?(/\A[а-яА-Яa-zA-Z0-9\-]+\z/)
  end

  def self.valid_skill_level?(level)
    return false if level.empty?
    level.length <= 100
  end

  def self.get_skills_count
    skills_count_input = gets.chomp.strip
    
    if skills_count_input.empty? || skills_count_input == "0"
      return 0
    end
    
    skills_count = skills_count_input.to_i
    
    if skills_count <= 0
      puts "  Ошибка: количество навыков должно быть положительным числом"
      return nil
    end
    
    skills_count
  end
end

module InputHandler
  def self.input_name
    loop do
      print "Имя (от #{Student::MIN_NAME_LENGTH} до #{Student::MAX_NAME_LENGTH} символов, только буквы, пробелы и дефисы): "
      name = gets.chomp.strip
      
      temp_student = Student.new(
        name: name, age: 1, gender: :male, group: "temp", 
        email: "temp@example.com", skills: {}
      )
      
      if temp_student.valid_name_length? && temp_student.valid_name_format?
        return name
      else
        temp_student.valid_name_length?
        temp_student.valid_name_format?
        temp_student.print_errors
      end
    end
  end

  def self.input_age
    loop do
      print "Возраст (от #{Student::MIN_AGE} до #{Student::MAX_AGE} лет): "
      age = gets.chomp.to_i
      
      temp_student = Student.new(
        name: "temp", age: age, gender: :male, group: "temp",
        email: "temp@example.com", skills: {}
      )
      
      if temp_student.valid_age?
        return age
      else
        temp_student.valid_age?
        temp_student.print_errors
      end
    end
  end

  def self.input_gender
    loop do
      print "Пол (male/female): "
      gender_input = gets.chomp.downcase.strip
      gender = gender_input.to_sym
      
      temp_student = Student.new(
        name: "temp", age: 1, gender: gender, group: "temp",
        email: "temp@example.com", skills: {}
      )
      
      if temp_student.valid_gender?
        return gender
      else
        temp_student.valid_gender?
        temp_student.print_errors
      end
    end
  end

  def self.input_group
    loop do
      print "Группа (от 2 до 20 символов): "
      group = gets.chomp.strip
      
      temp_student = Student.new(
        name: "temp", age: 1, gender: :male, group: group,
        email: "temp@example.com", skills: {}
      )
      
      if temp_student.valid_group?
        return group
      else
        temp_student.valid_group?
        temp_student.print_errors
      end
    end
  end

  def self.input_email
    loop do
      print "Электронная почта (должна содержать @ и .): "
      email = gets.chomp.strip
      
      temp_student = Student.new(
        name: "temp", age: 1, gender: :male, group: "temp",
        email: email, skills: {}
      )
      
      if temp_student.valid_email?
        return email
      else
        temp_student.valid_email?
        temp_student.print_errors
      end
    end
  end

  def self.input_skills
    skills = {}
    
    print "Сколько навыков хотите добавить? (0 или Enter - пропустить): "
    
    skills_count = InputValidator.get_skills_count
    
    if skills_count.nil?
      return input_skills
    end
    
    if skills_count == 0
      puts "  Навыки не добавлены"
      return skills
    end
    
    puts "  Введите #{skills_count} навык(а/ов):"
    
    (1..skills_count).each do |skill_number|
      puts "  Навык #{skill_number}:"
      
      skill_name = input_skill_name
      skill_level = input_skill_level(skill_name)
      
      skills[skill_name] = skill_level
    end
    
    skills
  end

  private

  def self.input_skill_name
    loop do
      print "    Название: "
      skill_name_input = gets.chomp.strip
      
      if !InputValidator.valid_skill_name?(skill_name_input)
        puts "      Ошибка: название навыка должно состоять из букв, цифр и дефисов (макс. 30 символов)"
      else
        return skill_name_input.to_sym
      end
    end
  end

  def self.input_skill_level(skill_name)
    loop do
      print "    Уровень (описание): "
      skill_level = gets.chomp.strip
      
      if !InputValidator.valid_skill_level?(skill_level)
        puts "      Ошибка: уровень навыка не может быть пустым (макс. 100 символов)"
      else
        return skill_level
      end
    end
  end
end