Class: StudentShort

Inherits:
StudentBase show all
Defined in:
lib/source/models/student_short.rb

Overview

Модель с краткой информацией о студенте

Instance Attribute Summary collapse

Attributes inherited from StudentBase

#git, #id

Class Method Summary collapse

Instance Method Summary collapse

Methods inherited from StudentBase

#has_contacts?, #has_git?, #short_contact, #valid?, valid_email?, valid_name?, valid_phone?, valid_profile_name?

Constructor Details

#initialize(id, info_str) ⇒ StudentShort

Стандартный конструктор. Принимает: id - Числовой id студента info_str - JSON строка с полями last_name_and_initials (обязательно), contact, git, а также полями базового класса

Raises:

  • (ArgumentError) 


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# File 'lib/source/models/student_short.rb', line 31

def initialize(id, info_str)
  params = JSON.parse(info_str, { symbolize_names: true })
  raise ArgumentError, 'Fields required: last_name_and_initials' if !params.key?(:last_name_and_initials) || params[:last_name_and_initials].nil?

  self.id = id
  self.last_name_and_initials = params[:last_name_and_initials]
  self.contact = params[:contact]
  self.git = params[:git]

  options = {}
  options[:id] = id
  options[:git] = git
  options[contact[:type].to_sym] = contact[:value] if contact
  super(**options)
end

Instance Attribute Details

#contact ⇒ Object

Returns the value of attribute contact.



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# File 'lib/source/models/student_short.rb', line 15

def contact
  @contact
end

#last_name_and_initials ⇒ Object

Returns the value of attribute last_name_and_initials.



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# File 'lib/source/models/student_short.rb', line 15

def last_name_and_initials
  @last_name_and_initials
end

Class Method Details

.from_student(student) ⇒ Object

Конструктор из объекта класса Student

Raises:

  • (ArgumentError) 


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# File 'lib/source/models/student_short.rb', line 20

def self.from_student(student)
  raise ArgumentError, 'Student ID is required' if student.id.nil?

  StudentShort.new(student.id, student.short_info)
end

Instance Method Details

#to_s ⇒ Object

Преобразование объекта в строку



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# File 'lib/source/models/student_short.rb', line 50

def to_s
  result = last_name_and_initials
  %i[id contact git].each do |attr|
    attr_val = send(attr)
    result += ", #{attr}=#{attr_val}" unless attr_val.nil?
  end
  result
end