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Contents
# frozen_string_literal: true
module USGeo
# U.S. region.
class Region < BaseRecord
include Population
include Area
has_many :divisions, -> { not_removed }, inverse_of: :region
has_many :states, -> { not_removed }, inverse_of: :region
validates :name, presence: true, length: {maximum: 30}, uniqueness: true
# @!attribute id
# @return [Integer] ID of the region.
# @!attribute name
# @return [String] Name of the region.
class << self
def load!(uri = nil)
location = data_uri(uri || "regions.csv")
import! do
load_data_file(location) do |row|
load_record!(id: row["ID"]) do |record|
record.name = row["Name"]
record.population = row["Population"]
record.housing_units = row["Housing Units"]
record.land_area = row["Land Area"]
record.water_area = row["Water Area"]
end
end
end
end
end
end
end
Version data entries
7 entries across 7 versions & 1 rubygems