Class: Full_name_sort_decorator

Inherits:
Filter_decorator show all
Defined in:
lib/models/filter/student_filters/full_name_sort_decorator.rb

Instance Method Summary collapse

Constructor Details

#initialize(filter, order) ⇒ Full_name_sort_decorator

Returns a new instance of Full_name_sort_decorator.



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# File 'lib/models/filter/student_filters/full_name_sort_decorator.rb', line 4

def initialize(filter, order)
  super(filter)
  self.order = order
end

Instance Method Details

#apply(filtering_obj) ⇒ Object 



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# File 'lib/models/filter/student_filters/full_name_sort_decorator.rb', line 9

def apply(filtering_obj)
  if filtering_obj.is_a?(Array)
    filtered_students = super(filtering_obj)
    
    if filtered_students.nil?
      return []
    end

    sorted_students = filtered_students.sort_by do |student|
      "#{student.first_name} #{student.name} #{student.patronymic}".downcase
    end

    sorted_students.reverse! if self.order == :desc

    return sorted_students
  else
    query = super(filtering_obj)
    "#{query} ORDER BY CONCAT(first_name, ' ', name, ' ', patronymic) #{self.order == :asc ? 'ASC' : 'DESC'}"
  end
end