refactor: rename contact_info method to get_first_contact for clarity

lab2/README.md

@@ -35,10 +35,10 @@ classDiagram
         + valid_email() : Boolean <<class>>
         + git_present() : Boolean
         + contact_present() : Boolean
-        + contact_info() : String
+        + get_first_contact() : String
         + git=(git : String) : void
-        - validate_id(id: String) : void
-        - validate_git(git : String) : void
+        - validate_id(id: String) : void <<class>>
+        - validate_git(git : String) : void <<class>>
         - validate_contact(contact : Contact) : void
         - valid_git?(git : String) : Boolean
         - valid_id?(id : String) : Boolean

lab2/main.rb

@@ -7,7 +7,7 @@ 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.contact_info}"
+  puts "Person Contact Info: #{person.get_first_contact}"
 
   student = Student.new(
     id: '2',
@@ -22,7 +22,7 @@ def test_classes
   )
   puts "Student Full Info: #{student.to_s}"
   puts "Student Initials: #{student.surname_and_initials}"
-  puts "Student Contact Info: #{student.contact_info}"
+  puts "Student Contact Info: #{student.get_first_contact}"
 
   student_short = StudentShort.from_student(student)
   puts "Student Short Info: #{student_short.to_s}"

lab2/person.rb

@@ -20,8 +20,8 @@ class Person
     @phone || @telegram || @email
   end
 
-  def contact_info
-    [@phone, @telegram, @email].compact.join(', ')
+  def get_first_contact
+    [@phone, @telegram, @email].compact.first
   end
 
   def self.valid_phone_number?(phone)

lab2/student.rb

@@ -56,7 +56,7 @@ class Student < Person
   end
 
   def get_info
-    "#{surname_and_initials}, Git: #{@git}, Contact: #{contact_info}, Birth Date: #{@birth_date}"
+    "#{surname_and_initials}, Git: #{@git}, Contact: #{get_first_contact}, Birth Date: #{@birth_date}"
   end
 
   def surname=(surname)

lab2/student_short.rb

@@ -38,7 +38,7 @@ class StudentShort < Person
   end
 
   def to_s
-    contact_info = contact_info()
+    contact_info = get_first_contact()
     "#{@surname_initials}, Contact: #{contact_info}"
   end