lab2/README.md

@@ -1,88 +1,4 @@
 # Lab 2
 
-
-## Диаграмма классов:
-
-```mermaid
-classDiagram
-    class BinarySearchTree {
-        - root : Node
-        + add(student : Student) : void
-        + each(&block) : void
-        - insert(node : Node, student : Student) : Node
-        - in_order_traversal(node : Node, &block) : void
-    }
-
-    class Node {
-        - student : Student
-        - left : Node
-        - right : Node
-        + Node(student : Student)
-    }
-
-    class Person {
-        - id : String
-        - git : String
-        - phone : String?
-        - telegram : String?
-        - email : String?
-        + Person(id : String, git : String, phone: String, telegram: String, email: String)
-        + phone=(String) : Boolean
-        + telegram=(String) : Boolean
-        + email=(String) : Boolean
-        + surname_initials() : NotImplementedError
-        + valid_phone_number() : Boolean <<class>>
-        + valid_telegram() : Boolean <<class>>
-        + valid_email() : Boolean <<class>>
-        + git_present() : Boolean
-        + contact_present() : Boolean
-        + get_first_contact() : String
-        + git=(git : String) : void
-        + validate_id(id: String) : void <<class>>
-        + validate_git(git : String) : void <<class>>
-        - valid_git?(git : String) : Boolean
-        - valid_id?(id : String) : Boolean
-    }
-
-    class StudentRepository {
-        + read_from_txt(file_path : String) : List~Student~ <<class>>
-        + write_to_txt(file_path : String, students : List~Student~) <<class>>
-    }
-
-    class StudentShort {
-        - surname_initials : String
-        + get_surname_initials() : String
-        + StudentShort(id : String, surname_initials : String, phone: String, telegram: String, email: String)
-        + from_student(student : Student) : StudentShort <<class>>
-        + from_string(id : String, info_string : String) : StudentShort <<class>>
-        + to_s() : String
-        - parse_contact_string(contact_string: String) : Array<String> <<class>>
-    }
-
-    class Student {
-        - surname : String
-        - name : String
-        - patronymic : String
-        - birth_date : Date
-        - const NAME_REGEX : String
-        + Student(id : String, git : String, phone: String, telegram: String, email: String, surname : String, name : String, patronymic : String, birth_date : Date)
-        + from_string(student_string : String) : Student <<class>>
-        + surname_initials() : String
-        + to_s() : String
-        + get_info() : String
-        + surname=(surname : String)
-        + name=(name : String)
-        + patronymic=(patronymic : String)
-        + birth_date=(birthdate : String)
-        + valid_name?(name : String) : Boolean <<class>>
-        - name_initial(name : String) : String
-        - patronymic(patronymic : String) : String
-    }
-
-    BinarySearchTree o-- Node
-    Node o-- Student
-    Person <|-- Student
-    Person <|-- StudentShort
-    Student <.. StudentRepository
-```
+> "И тут я обнаружил что случайно сделал 3-5 задачи в 1-2"
 

lab2/binary_search_tree.rb

@@ -1,46 +0,0 @@
-class BinarySearchTree
-  include Enumerable
-
-  class Node
-    attr_accessor :student, :left, :right
-
-    def initialize(student)
-      @student = student
-      @left = nil
-      @right = nil
-    end
-  end
-
-  def initialize
-    @root = nil
-  end
-
-  def add(student)
-    @root = insert(@root, student)
-  end
-
-  def each(&block)
-    in_order_traversal(@root, &block)
-  end
-
-  private
-
-  def insert(node, student)
-    return Node.new(student) if node.nil?
-
-    if student.birth_date < node.student.birth_date
-      node.left = insert(node.left, student)
-    else
-      node.right = insert(node.right, student)
-    end
-    node
-  end
-
-  def in_order_traversal(node, &block)
-    return if node.nil?
-
-    in_order_traversal(node.left, &block)
-    yield node.student
-    in_order_traversal(node.right, &block)
-  end
-end

lab2/main.rb

@@ -1,92 +1,59 @@
-require 'date'
-require_relative 'person'
 require_relative 'student'
 require_relative 'student_short'
-require_relative 'student_repository'
-require_relative 'binary_search_tree'
 
-def test_classes
-  person = Person.new(id: '1', git: 'https://github.com/example', phone: '+798912465', telegram: '@example_user', email: 'test@example.com')
-  puts "Person Contact Info: #{person.get_first_contact}"
+begin
+    student_string = "Норакет Норакет Норакет | ID: 2 | Phone: +1234567890 | Telegram: @noracat | Email: nora@example.com | Git: https://github.com/nora"
+    student_from_string = Student.from_string(student_string)
+    puts "Создан объект из строки:\n#{student_from_string}"
 
-  student = Student.new(
-    id: '2',
-    git: 'https://github.com/student_example',
-    surname: 'Иванов',
-    name: 'Иван',
-    patronymic: 'Иванович',
-    birth_date: Date.new(2000, 5, 15),
-    phone: '+79891234567',
-    telegram: '@student_ivan',
-    email: 'ivanov@example.com'
-  )
-  puts "Student Full Info: #{student.to_s}"
-  puts "Student Initials: #{student.surname_initials}"
-  puts "Student Contact Info: #{student.get_first_contact}"
-
-  student_short = StudentShort.from_student(student)
-  puts "Student Short Info: #{student_short.to_s}"
-
-  file_path = 'students.txt'
-  students = StudentRepository.read_from_txt(file_path)
-  puts "Read Students from File:"
-  students.each { |s| puts s.to_s }
-
-  output_path = 'output_students.txt'
-  StudentRepository.write_to_txt(output_path, students)
-  puts "Students written to file: #{output_path}"
-end
-
-def test_parsing
-  student_string = 'Иванов Иван Иванович | ID: 3 | Phone: +79876543210 | Telegram: @ivan_user | Email: ivan@example.com | Git: https://github.com/ivanov | Birth Date: 2001-01-01'
-  student = Student.from_string(student_string)
-  puts "Parsed Student: #{student.to_s}"
-
-  short_string = 'Иванов И.И., Contact: Phone: +79876543210'
-  student_short = StudentShort.from_string('4', short_string)
-  puts "Parsed StudentShort: #{student_short.to_s}"
-end
-
-def test_binary_search_tree
-  bst = BinarySearchTree.new
 
     student1 = Student.new(
-    id: '1',
-    git: 'https://github.com/student1',
-    surname: 'Смирнов',
-    name: 'Алексей',
-    patronymic: 'Иванович',
-    birth_date: Date.new(1999, 2, 15),
-    phone: '+123456789',
-    telegram: '@student1',
-    email: 'student1@example.com'
-  )
-  student2 = Student.new(
-    id: '2',
-    git: 'https://github.com/student2',
-    surname: 'Иванов',
-    name: 'Иван',
-    patronymic: 'Сергеевич',
-    birth_date: Date.new(2001, 5, 10),
-    phone: '+987654321',
-    telegram: '@student2',
-    email: 'student2@example.com'
+        surname: 'Алексеевич',
+        name: 'Артем-Дариус',
+        patronymic: 'Вебер',
+        id: 1,
+        git: 'https://github.com/space-creator'
     )
 
-  bst.add(student1)
-  bst.add(student2)
+    student1.set_contacts(
+        phone: '+79891242223',
+        telegram: '@alstroemeria22',
+        email: 'no-replay@djft.ru'
+    )
 
-  puts "Students in BST (sorted by birth_date):"
-  bst.each { |student| puts student.to_s }
-end
+    puts student1.get_info
+    puts "Surname and Initials: #{student1.surname_and_initials}"
+    puts "Git Info: #{student1.git_info}"
+    puts "Contact Info: #{student1.contact_info}"
 
-if __FILE__ == $0
-  puts "=== Testing Classes ==="
-  test_classes
+    student2 = Student.new(
+        surname: 'Норакет',
+        name: 'Норакет',
+        patronymic: 'Фамилия'
+    )
 
-  puts "\n=== Testing Parsing ==="
-  test_parsing
+    student2.set_contacts(
+        phone: '+70000000000'
+    )
 
-  puts "\n=== Testing Binary Search Tree ==="
-  test_binary_search_tree
+    puts student1
+    puts '-' * 40
+    puts student2
+
+
+    student_short_from_student = StudentShort.new(student1)
+    puts "StudentShort from Student object:"
+    puts "ID: #{student_short_from_student.id}"
+    puts "Surname and Initials: #{student_short_from_student.surname_initials}"
+    puts "Git: #{student_short_from_student.git}"
+    puts "Contact: #{student_short_from_student.contact}"
+
+    student_short_from_string = StudentShort.from_string(5, 'Skye A.A., Git: https://github.com/skye, Contact: Phone: +4923467890')
+    puts "StudentShort from string:"
+    puts "ID: #{student_short_from_string.id}"
+    puts "Surname and Initials: #{student_short_from_string.surname_initials}"
+    puts "Git: #{student_short_from_string.git}"
+    puts "Contact: #{student_short_from_string.contact}"
+rescue ArgumentError => e
+  puts "Ошибка: #{e.message}"
 end

lab2/person.rb

@@ -1,85 +1,65 @@
 class Person
-  attr_reader :id, :git, :phone, :telegram, :email
+    attr_accessor :id, :git
   
-  def initialize(id:, git: nil, phone: nil, telegram: nil, email: nil)
-    self.class.validate_id(id)
-    self.phone = phone
-    self.telegram = telegram
-    self.email = email
-    raise ArgumentError, "Необходимо указать хотя бы один контакт (телефон, Telegram или email)" unless contact_present?
-  
-    @id = id
-    @git = git
+    def initialize(args = {})
+      @id = args[:id] || nil
+      @git = args[:git]
+      validate
     end
   
-  def surname_initials
-    raise NotImplementedError, "#{self.class} must implement the 'surname_initials' method"
-  end
+    def set_contacts(phone: nil, telegram: nil, email: nil)
+      @phone = phone
+      raise ArgumentError, "Invalid phone number format: #{@phone}" if @phone && !self.class.valid_phone_number?(@phone)
   
-  def git_present?
-    !@git.nil? && !@git.empty?
-  end
+      @telegram = telegram
+      raise ArgumentError, "Invalid telegram format: #{@telegram}" if @telegram && !self.class.valid_telegram?(@telegram)
   
-  def contact_present?
-    @phone || @telegram || @email
+      @email = email
+      raise ArgumentError, "Invalid email format: #{@email}" if @email && !self.class.valid_email?(@email)
     end
   
-  def get_first_contact
-    [@phone, @telegram, @email].compact.first
+    def self.valid_phone_number?(phone)
+      phone.match?(/\A\+?[0-9]{10,15}\z/)
     end
   
-  def self.valid_phone_number?(phone)
-    /\A\+?[0-9]{9,15}\z/.match?(phone)
+    def self.valid_name?(name)
+      name.match?(/\A[А-Яа-яЁёA-Za-z\-]+\z/)
     end
   
     def self.valid_telegram?(telegram)
-    /\A@[A-Za-z0-9_]{5,32}\z/.match?(telegram)
+      telegram.nil? || telegram.match?(/\A@[A-Za-z0-9_]{5,32}\z/)
     end
   
     def self.valid_email?(email)
-    /\A[^@\s]+@[^@\s]+\.[^@\s]+\z/.match?(email)
-  end
-
-  def phone=(phone)
-    if phone && !self.class.valid_phone_number?(phone)
-      raise ArgumentError, "Недопустимый номер телефона: #{phone}"
-    end
-    @phone = phone
+      email.nil? || email.match?(/\A[^@\s]+@[^@\s]+\.[^@\s]+\z/)
     end
   
-  def telegram=(telegram)
-    if telegram && !self.class.valid_telegram?(telegram)
-      raise ArgumentError, "Некорректный Telegram: #{telegram}"
-    end
-    @telegram = telegram
+    def self.valid_git?(git)
+      git.nil? || git.match?(/\Ahttps:\/\/github\.com\/[A-Za-z0-9_\-]+\z/)
     end
   
-  def email=(email)
-    if email && !self.class.valid_email?(email)
-      raise ArgumentError, "Некорректный email: #{email}"
-    end
-    @email = email
+    def git_present?
+      !@git.nil? && !@git.empty?
     end
   
-  def git=(git)
-    self.class.validate_git(git)
-    @git = git
+    def contact_present?
+      !(@phone.nil? || @phone.empty?) || !(@telegram.nil? || @telegram.empty?) || !(@email.nil? || @email.empty?)
     end
   
-  def self.validate_id(id)
-    raise ArgumentError, 'ID is required and must be a non-empty string' unless valid_id?(id)
+    def validate
+      raise ArgumentError, "Git link is required" unless git_present?
+      raise ArgumentError, "At least one contact (phone, telegram, or email) is required" unless contact_present?
     end
   
-  def self.validate_git(git)
-    raise ArgumentError, 'Git link is required' if git.nil? || git.strip.empty?
-    raise ArgumentError, 'Invalid Git link format' unless valid_git?(git)
+    def contact_info
+      return "Phone: #{@phone}" if @phone
+      return "Telegram: #{@telegram}" if @telegram
+      return "Email: #{@email}" if @email
+      'No contact available'
     end
   
-  def self.valid_git?(git)
-    /\Ahttps:\/\/github\.com\/[A-Za-z0-9_\-]+\z/.match?(git)
-  end
+    private
   
-  def self.valid_id?(id)
-    id.is_a?(String) && !id.strip.empty?
-  end
+    attr_reader :phone, :telegram, :email
+    attr_writer :phone, :telegram, :email
 end

lab2/student.rb

@@ -1,103 +1,92 @@
 require_relative 'person'
 
 class Student < Person
-  attr_accessor :surname, :name, :patronymic, :birth_date
+    attr_accessor :surname, :name, :patronymic
   
-  private
+    def initialize(args = {})
+      super(args)
+      @surname = args.fetch(:surname)
+      raise ArgumentError, "Invalid surname format: #{@surname}" unless self.class.valid_name?(@surname)
   
-  NAME_REGEX = /\A[А-Яа-яЁёA-Za-z\-]+\z/
+      @name = args.fetch(:name)
+      raise ArgumentError, "Invalid name format: #{@name}" unless self.class.valid_name?(@name)
   
-  public
+      @patronymic = args.fetch(:patronymic)
+      raise ArgumentError, "Invalid patronymic format: #{@patronymic}" unless self.class.valid_name?(@patronymic)
   
-  def initialize(id:, git:, surname:, name:, patronymic:, birth_date:, phone: nil, telegram: nil, email: nil)
-    super(id: id, git: git, phone: phone, telegram: telegram, email: email)
-    self.surname = surname
-    self.name = name
-    self.patronymic = patronymic
-    self.birth_date = birth_date
+      set_contacts(
+        phone: args[:phone],
+        telegram: args[:telegram],
+        email: args[:email]
+      )
     end
   
     def self.from_string(student_string)
       parts = student_string.split('|').map(&:strip)
-    raise ArgumentError, 'Invalid student string format' if parts.size < 7
-
-    name_parts = parts[0].split(' ')
-    raise ArgumentError, 'Invalid name format' if name_parts.size != 3
-
-    surname, name, patronymic = name_parts
-    id = parts[1].split(': ').last
+      surname, name, patronymic = parts[0].split(' ')
+      id = parts[1].split(': ').last.to_i
       phone = parts[2].split(': ').last
       telegram = parts[3].split(': ').last
       email = parts[4].split(': ').last
       git = parts[5].split(': ').last
-    birth_date = Date.parse(parts[6].split(': ').last)
   
       new(
-      id: id,
-      git: git,
         surname: surname,
         name: name,
         patronymic: patronymic,
-      birth_date: birth_date,
+        id: id,
         phone: phone,
         telegram: telegram,
-      email: email
+        email: email,
+        git: git
       )
     end
 
-  def surname_initials
-    "#{@surname} #{name_initial(@name)}.#{patronymic_initial(@patronymic)}."
-  end
-
-  def to_s
-    "#{@surname} #{@name} #{@patronymic} | ID: #{@id} | " \
-    "Phone: #{@phone || 'N/A'} | Telegram: #{@telegram || 'N/A'} | " \
-    "Email: #{@email || 'N/A'} | Git: #{@git} | Birth Date: #{@birth_date}"
-  end
+    def self.read_from_txt(file_path)
+        raise IOError, "File path is invalid or file does not exist: #{file_path}" unless File.exist?(file_path)
     
-  def get_info
-    "#{surname_initials}, Git: #{@git}, Contact: #{get_first_contact}, Birth Date: #{@birth_date}"
-  end
+        students = []
     
-  def surname=(surname)
-    raise ArgumentError, 'Surname is required' if surname.nil? || surname.strip.empty?
-    raise ArgumentError, "Invalid surname format: #{surname}" unless self.class.valid_name?(surname)
+        File.foreach(file_path) do |line|
+          line.strip!
+          next if line.empty?
     
-    @surname = surname
+          begin
+            student = from_string(line)
+            students << student
+          rescue ArgumentError => e
+            puts "Error processing line: '#{line}'. Reason: #{e.message}"
           end
-
-  def name=(name)
-    raise ArgumentError, 'Name is required' if name.nil? || name.strip.empty?
-    raise ArgumentError, "Invalid name format: #{name}" unless self.class.valid_name?(name)
-
-    @name = name
         end
     
-  def patronymic=(patronymic)
-    raise ArgumentError, 'Patronymic is required' if patronymic.nil? || patronymic.strip.empty?
-    raise ArgumentError, "Invalid patronymic format: #{patronymic}" unless self.class.valid_name?(patronymic)
-
-    @patronymic = patronymic
+        students
     end
 
-  def birth_date=(birth_date)
-    raise ArgumentError, 'Birth date is required' if birth_date.nil?
-    raise ArgumentError, "Invalid birth date: #{birth_date}" unless birth_date.is_a?(Date)
+    def self.write_to_txt(file_path, students)
+        raise ArgumentError, "Expected an array of Student objects" unless students.is_a?(Array) && students.all? { |s| s.is_a?(Student) }
     
-    @birth_date = birth_date
+        File.open(file_path, 'w') do |file|
+          students.each do |student|
+            file.puts student.to_s
+          end
         end
     
-  def self.valid_name?(name)
-    NAME_REGEX.match?(name)
+        puts "Data successfully written to #{file_path}"
+    rescue IOError => e
+        puts "An error occurred while writing to the file: #{e.message}"
     end
   
-  private
+    def surname_and_initials
+      "#{@surname} #{name[0]}.#{patronymic[0]}."
+    end
   
-  def name_initial(name)
-    name[0].upcase
+    def to_s
+      "#{@surname} #{@name} #{@patronymic} | ID: #{@id || 'N/A'} | " \
+      "Phone: #{@phone || 'N/A'} | Telegram: #{@telegram || 'N/A'} | " \
+      "Email: #{@email || 'N/A'} | Git: #{@git || 'N/A'}"
     end
   
-  def patronymic_initial(patronymic)
-    patronymic[0].upcase
+    def get_info
+      "#{surname_and_initials}, Git: #{git_info}, Contact: #{contact_info}"
     end
 end

lab2/student_repository.rb

@@ -1,39 +0,0 @@
-require_relative 'student'
-
-class StudentRepository
-  def self.read_from_txt(file_path)
-    raise IOError, "File does not exist: #{file_path}" unless File.exist?(file_path)
-
-    students = []
-
-    File.foreach(file_path) do |line|
-      line.strip!
-      next if line.empty?
-
-      begin
-        student = Student.from_string(line)
-        students << student
-      rescue ArgumentError => e
-        puts "Error processing line: '#{line}'. Reason: #{e.message}"
-      end
-    end
-
-    students
-  end
-
-  def self.write_to_txt(file_path, students)
-    unless students.is_a?(Array) && students.all? { |s| s.is_a?(Student) }
-      raise ArgumentError, 'Expected an array of Student objects'
-    end
-
-    File.open(file_path, 'w') do |file|
-      students.each do |student|
-        file.puts student.to_s
-      end
-    end
-
-    puts "Data successfully written to #{file_path}"
-  rescue IOError => e
-    puts "An error occurred while writing to the file: #{e.message}"
-  end
-end

lab2/student_short.rb

@@ -1,59 +1,31 @@
 require_relative 'person'
 
 class StudentShort < Person
-  attr_reader :surname_initials
+    attr_reader :surname_initials, :contact
   
-  def initialize(id:, surname_initials:, phone: nil, telegram: nil, email: nil)
-    super(id: id, phone: phone, telegram: telegram, email: email)
-    @surname_initials = surname_initials
-    freeze
-  end
-
-  def self.from_student(student)
-    new(
-      id: student.id,
-      surname_initials: student.surname_initials,
-      phone: student.phone,
-      telegram: student.telegram,
-      email: student.email
-    )
+    def initialize(student)
+      super(id: student.id, git: student.git_info)
+      @surname_initials = student.surname_and_initials
+      @contact = student.contact_info
     end
   
     def self.from_string(id, info_string)
-    parts = info_string.split(',').map(&:strip)
-    raise ArgumentError, 'Invalid info string format' if parts.size < 2
-
+      parts = info_string.split(', ').map(&:strip)
       surname_initials = parts[0]
-    contact_string = parts[1].split(': ', 2).last.strip
-
-    phone, telegram, email = parse_contact_string(contact_string)
+      git = parts[1].split(': ').last
+      contact = parts[2].split(': ').last
   
-    new(
-      id: id,
-      surname_initials: surname_initials,
-      phone: phone,
-      telegram: telegram,
-      email: email
-    )
-  end
-
-  def to_s
-    contact_info = get_first_contact()
-    "#{@surname_initials}, Contact: #{contact_info}"
+      new_instance = allocate
+      new_instance.send(:initialize_from_data, id, surname_initials, git, contact)
+      new_instance
     end
   
     private
   
-  def self.parse_contact_string(contact_string)
-    case contact_string
-    when /\APhone: (.+)\z/i
-      [Regexp.last_match(1).strip, nil, nil]
-    when /\ATelegram: (.+)\z/i
-      [nil, Regexp.last_match(1).strip, nil]
-    when /\AEmail: (.+)\z/i
-      [nil, nil, Regexp.last_match(1).strip]
-    else
-      raise ArgumentError, "Invalid contact string format: #{contact_string}"
-    end
+    def initialize_from_data(id, surname_initials, git, contact)
+      @id = id
+      @surname_initials = surname_initials
+      @git = git
+      @contact = contact
     end
 end

lab2/students.txt

@@ -1,3 +0,0 @@
-Иванов Иван Иванович | ID: 1 | Phone: +12345678901 | Telegram: @ivanov_user | Email: ivanov@example.com | Git: https://github.com/ivanov
-Петров Петр Петрович | ID: 2 | Phone: +98765432101 | Telegram: @petrov_user | Email: petrov@example.com | Git: https://github.com/petrov
-Сидоров Сидор Сидорович | ID: 3 | Phone: +56789012345 | Telegram: @sidorov_user | Email: sidorov@example.com | Git: https://github.com/sidorov