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require 'geokit'
module Chouette
class PtLink < Chouette::ActiveRecord
has_metadata
include Geokit::Mappable
def geometry
the_geom
end
def self.import_csv
csv_file = Rails.root + "chouette_pt_links.csv"
if File.exists?( csv_file)
csv = CSV::Reader.parse(File.read(csv_file))
slug = csv.shift.first
Network::Base.find_by_slug( slug).tune_connection
csv.each do |row|
origin = Chouette::StopArea.find_by_objectid( row[0])
destination = Chouette::StopArea.find_by_objectid( row[1])
raise "unknown origin #{row[0]}" unless origin
raise "unknown destination #{row[1]}" unless destination
Chouette::PtLink.create( :departure_id => origin.id,
:arrival_id => destination.id,
:the_geom => GeoRuby::SimpleFeatures::Geometry.from_hex_ewkb( row[2]))
end
end
end
end
end
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