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26 lines
577 B
26 lines
577 B
require 'fastercsv'
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class Map < ActiveRecord::Base
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def self.from_city_name(city_name)
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self.find_or_initialize_by_name(city_name).save!
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end
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def self.rand(count = 2)
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self.find(:all, :order => 'RANDOM()', :limit => count)
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end
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def self.import(csv_filename)
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FasterCSV.parse(open(csv_filename), :headers => true,
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:header_converters => [:downcase, :symbol]).each do |row|
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map = self.find_or_initialize_by_name(
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"#{row[:city]}, #{row[:country]}"
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)
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map.save
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if block_given?
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yield map
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end
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end
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end
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end
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