def write_file(taked_book, file_name)

json_file = JSON.generate(taked_book)

File.open(file_name, 'w')

File.write(file_name, json_file)

end

def read_file_book

return [] unless File.exist?('books.json')

file_name = 'books.json'

File.open(file_name)

take_data = File.read('books.json')

@taked_book = JSON.parse(take_data)

convert_book

end

def convert_book

@taked_book.each do |i|

@books.push(Book.new(i['title'], i['author']))

end

end

# Read peoples

def read_file_people

return [] unless File.exist?('people.json')

file_name = 'people.json'

File.open(file_name)

take_data = File.read('people.json')

@taked_people = JSON.parse(take_data)

convert_people

end

def convert_people

@taked_people.each do |i|

if i['type'] == 'Teacher'

@people.push(Teacher.new(i['specialization'], i['type'], i['age'], i['name'], i['id']))

else

@people.push(Students.new(i['classroom'], i['type'], i['age'], i['name'], i['id'],

parent_permission: i['parent_permission']))

end

end

end

# Read rental in file rentals

def read_file_rental

return [] unless File.exist?('rentals.json')

file_name = 'rentals.json'

File.open(file_name)

take_data = File.read('rentals.json')

@taked_rental = JSON.parse(take_data)

convert_rental

end

def convert_rental

@taked_rental.each do |i|

if i['person']['type'] == 'Student'

@rental.push(Rental.new(i['date'],

Students.new(i['person']['classroom'], i['person']['type'],

i['person']['age'], i['person']['name'],

i['person']['id'], i['person']['permission']),

Book.new(i['book']['title'], i['book']['author'])))

else

@rental.push(Rental.new(i['date'],

Teacher.new(i['person']['specialization'], i['person']['type'],

i['person']['age'], i['person']['name'], i['person']['id']),

Book.new(i['book']['title'], i['book']['author'])))

end

end

end