Class: Student

Inherits:
AbstractStudent show all
Defined in:
lib/source/models/student.rb,
lib/source/models/student/student.rb

Instance Attribute Summary collapse

Attributes inherited from AbstractStudent

#git, #id

Class Method Summary collapse

Instance Method Summary collapse

Methods inherited from AbstractStudent

#get_info

Constructor Details

#initialize(last_name, first_name, paternal_name, options = {}) ⇒ Student

Стандартный конструктор



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# File 'lib/source/models/student.rb', line 34

def initialize(last_name, first_name, father_name, **options)
  self.last_name = last_name
  self.first_name = first_name
  self.father_name = father_name
  super(**options)
end

Instance Attribute Details

#father_name ⇒ Object

Стандартные геттеры для полей



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

def father_name
  @father_name
end

#first_name ⇒ Object

Стандартные геттеры для полей



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

def first_name
  @first_name
end

#id=(value) ⇒ Object (writeonly)

Sets the attribute id

Parameters:

  • value —

    the value to set the attribute id to.



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# File 'lib/source/models/student/student.rb', line 8

def id=(value)
  @id = value
end

#last_name ⇒ Object

Стандартные геттеры для полей



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

def last_name
  @last_name
end

Class Method Details

.from_hash(hash) ⇒ Object

Raises:

  • (ArgumentError) 


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# File 'lib/source/models/student.rb', line 10

def self.from_hash(hash)
  hash = hash.dup
  raise ArgumentError, 'Fields required: fist_name, last_name, father_name' unless hash.key?(:first_name) && hash.key?(:last_name) && hash.key?(:father_name)

  first_name = hash.delete(:first_name)
  last_name = hash.delete(:last_name)
  father_name = hash.delete(:father_name)

  Student.new(last_name, first_name, father_name, **hash)
end

.from_json(str) ⇒ Object

Raises:

  • (ArgumentError) 


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# File 'lib/source/models/student/student.rb', line 51

def self.from_json(str)
  unless str.is_a?(String)
    str = JSON.pretty_generate(str)
  end
  result = JSON.parse(str)
  raise ArgumentError, 'Missing fields: last_name, first_name, paternal_name' unless result.key?('first_name') && result.key?('last_name') && result.key?('paternal_name')

  last_name = result.delete('last_name')
  first_name = result.delete('first_name')
  paternal_name = result.delete('paternal_name')
  Student.new(last_name, first_name, paternal_name, **result.transform_keys(&:to_sym))
end

.from_json_str(str) ⇒ Object

Конструктор из JSON строки



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# File 'lib/source/models/student.rb', line 22

def self.from_json_str(str)
  params = JSON.parse(str, { symbolize_names: true })
  from_hash(params)
end

.from_yaml(str) ⇒ Object

Raises:

  • (ArgumentError) 


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# File 'lib/source/models/student/student.rb', line 64

def self.from_yaml(str)
  result = YAML.load(str)
  raise ArgumentError, 'Missing fields: last_name, first_name, paternal_name' unless result.key?('first_name') && result.key?('last_name') && result.key?('paternal_name')

  last_name = result.delete('last_name')
  first_name = result.delete('first_name')
  paternal_name = result.delete('paternal_name')
  Student.new(last_name, first_name, paternal_name, **result.transform_keys(&:to_sym))
end

.read_from_txt(file_path) ⇒ Object 



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# File 'lib/source/models/student/student.rb', line 74

def self.read_from_txt(file_path)
  arr = []
  begin
    File.foreach(file_path) do |line|
      arr += [Student.from_json(line)]
    end
    return arr
  rescue => exception
    raise "File not found at the given address #{file_path}. Exception: #{exception.message}"
  end
end

.write_to_txt(file_path, students) ⇒ Object 



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# File 'lib/source/models/student/student.rb', line 86

def self.write_to_txt(file_path, students)
  begin
    File.open(file_path, 'w') do |file|
      students.each do |student|
        file.puts student.to_s
      end
    end
  rescue => exception
    raise "Error writing to file at the given address #{file_path}. Exception: #{exception.message}"
  end
end

Instance Method Details

#contact ⇒ Object 



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# File 'lib/source/models/student/student.rb', line 34

def contact
  return "#{phone}" unless phone.nil?
  return "#{telegram}" unless telegram.nil?
  return "#{email}" unless email.nil?
  nil
end

#fio ⇒ Object 



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# File 'lib/source/models/student/student.rb', line 29

def fio
  "#{last_name} #{first_name.upcase[0]}. #{paternal_name.upcase[0]}."
end

#last_name_and_initials ⇒ Object

Имя пользователя в формате Фамилия И. О.



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# File 'lib/source/models/student.rb', line 68

def last_name_and_initials
  "#{last_name} #{first_name[0]}. #{father_name[0]}."
end

#set_contacts(contacts) ⇒ Object

Отдельный сеттер для массовой установки контактов



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# File 'lib/source/models/student.rb', line 61

def set_contacts(phone: nil, telegram: nil, email: nil)
  self.phone = phone if phone
  self.telegram = telegram if telegram
  self.email = email if email
end

#short_info ⇒ Object

Краткая информация о пользователе



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# File 'lib/source/models/student.rb', line 73

def short_info
  info = {}
  info[:last_name_and_initials] = last_name_and_initials
  info[:contact] = short_contact
  info[:git] = git
  JSON.generate(info)
end

#to_hash ⇒ Object 



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# File 'lib/source/models/student.rb', line 91

def to_hash
  attrs = {}
  %i[last_name first_name father_name id phone telegram email git].each do |attr|
    attr_val = send(attr)
    attrs[attr] = attr_val unless attr_val.nil?
  end
  attrs
end

#to_json_str ⇒ Object 



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# File 'lib/source/models/student.rb', line 100

def to_json_str
  JSON.generate(to_hash)
end

#to_s ⇒ Object

Методы приведения объекта к строке



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# File 'lib/source/models/student.rb', line 82

def to_s
  result = "#{last_name} #{first_name} #{father_name}"
  %i[id phone telegram email git].each do |attr|
    attr_val = send(attr)
    result += ", #{attr}=#{attr_val}" unless attr_val.nil?
  end
  result
end

#validate ⇒ Object 



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# File 'lib/source/models/student/student.rb', line 41

def validate
  git? && contact?
end