Class: JsonStudentsListFormatStrategy

Inherits:
StudentsListFormatStrategy show all
Defined in:
lib/model_gem_source/students_list_format_strategy.rb

Instance Method Summary collapse

Instance Method Details

#read_from(filename) ⇒ Object 



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# File 'lib/model_gem_source/students_list_format_strategy.rb', line 34

def read_from(filename)
    file = File.read(filename)
    json = JSON.parse(file)
    json.map { |x| Student.from_json(x) }
end

#write_to(filename, students) ⇒ Object 



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# File 'lib/model_gem_source/students_list_format_strategy.rb', line 40

def write_to(filename, students)
    File.open(filename, 'w') do |f|
        f.write(JSON.generate(students.map { |x| x.as_json }))
    end
end