Class: IPLibrary::Base

Inherits:
Object
  • Object
show all
Defined in:
lib/ip_library/base.rb

Class Method Summary collapse

Class Method Details

.defined_class_methods ⇒ Object 



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# File 'lib/ip_library/base.rb', line 54

def defined_class_methods
  Configuration.columns.each_with_index do |col, index|
    next if Configuration.non_optional_columns.include?(col)
    instance_eval(<<-METHOD, __FILE__, __LINE__ + 1)
    def ip2#{col.to_s}(ip)
      find_by_ip(ip).try(:[], #{index})
    end
    METHOD
  end
end

.find_by_ip(ip) ⇒ Object 



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# File 'lib/ip_library/base.rb', line 45

def find_by_ip(ip)
  header, ip = get_header_and_ip(ip)
  ip_cities  = Base.ip_cities[header]
  return nil if ip_cities.blank?

  ip_cities  = ip_cities.select { |ip_city| ip_city[0].to_i <= ip && ip_city[1].to_i >= ip }
  ip_cities.sort_by { |ip_city| ip_city[1].to_i - ip_city[0].to_i }.first if ip_cities.present?
end

.ip_cities(force_reload = false) ⇒ Object 



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# File 'lib/ip_library/base.rb', line 27

def ip_cities(force_reload = false)
  return @@ip_cities if !force_reload && defined?(@@ip_cities) && @@ip_cities.present?

  @@ip_cities = {}
  File.open(Configuration.file_path, 'r') do |file|
    datas = file.to_a.split(Configuration.separator)
    datas.each do |data|
      header = data.delete_at(0).chomp
      data.each do |row|
        ip_city = row.chomp.split(',')
        @@ip_cities[header] ||= []
        @@ip_cities[header] << ip_city
      end
    end
  end
  @@ip_cities
end

.singleton ⇒ Object 



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# File 'lib/ip_library/base.rb', line 71

def singleton
  class << Base; self; end
end

.undef_class_methods(symbols) ⇒ Object 



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# File 'lib/ip_library/base.rb', line 65

def undef_class_methods(symbols)
  symbols.each do |symbol|
    singleton.send :undef_method, "ip2#{symbol.to_s}".to_sym
  end
end