Class: Array

Inherits:
Object
  • Object
show all
Defined in:
lib/area/array.rb

Instance Method Summary collapse

Instance Method Details

#to_gmt_offset ⇒ Object

Public: Convert a lat/lon pair to its GMT offset.

Examples

[40.71209, -73.95427].to_gmt_offset
#=> "-5"

Returns a String representation of the GMT offset.



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# File 'lib/area/array.rb', line 65

def to_gmt_offset
  row = Area.zip_codes.find {|row| row[3] == self[0].to_s and row[4] == self[1].to_s }
  row[5] if row
end

#to_region(options = {}) ⇒ Object

Public: Convert an lat/lon pair as an Array to a region.

options - An optional hash indicating if you would like just the city or just the state.

Examples

['40.71209', '-73.95427'].to_region
# => "Brooklyn, NY"

['40.71209', '-73.95427'].to_region(:state => true)
# => "NY"

Returns a String representation of the lat/lon pair.



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# File 'lib/area/array.rb', line 16

def to_region(options = {})
  if self[0].is_a?(String) and self[1].is_a?(String)
    if row = Area.zip_codes.find {|row| row[3] == self[0].to_s and row[4] == self[1].to_s }
      if options[:city]
        return row[1]
      elsif options[:state]
        return row[2]
      else
        return row[1] + ', ' + row[2]
      end
    end
  else
    warn "[DEPRECATION] using to_region on an array of integers has been deprecated. Use a string instead."
    return nil
  end
end

#to_zip ⇒ Object

Public: Convert a lat/lon pair to a zip code.

Examples

[40.71209, -73.95427].to_zip
#=> "11211"

Returns a String of converted places.



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# File 'lib/area/array.rb', line 41

def to_zip
  Area.zip_codes.find do |row|
    if row[3] and row[4]
      db_lat_len = row[3].split('.').length
      db_lon_len = row[4].split('.').length
      lat = "%.#{db_lat_len}f" % self[0]
      lon = "%.#{db_lon_len}f" % self[1]
      db_lat = "%.#{db_lat_len}f" % row[3].to_f
      db_lon = "%.#{db_lon_len}f" % row[4].to_f
      if db_lat.to_s == lat.to_s and db_lon.to_s == lon.to_s
        return row[0]
      end
    end
  end
end