32 lines
1.1 KiB
Ruby
32 lines
1.1 KiB
Ruby
module JamRuby
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class MaxMindGeo < ActiveRecord::Base
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self.table_name = 'max_mind_geo'
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def self.import_from_max_mind(file)
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# File Geo-139
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# Format:
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# startIpNum,endIpNum,country,region,city,postalCode,latitude,longitude,dmaCode,areaCode
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MaxMindGeo.transaction do
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MaxMindGeo.delete_all
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File.open(file, 'r:ISO-8859-1') do |io|
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MaxMindGeo.pg_copy_from io, :map => { 'startIpNum' => 'ip_start', 'endIpNum' => 'ip_end', 'country' => 'country', 'region' => 'region', 'city' => 'city', 'latitude' => 'lat', 'longitude' => 'lng'}, :columns => [:startIpNum, :endIpNum, :country, :region, :city, :latitude, :longitude]
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end
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end
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User.find_each { |usr| usr.update_lat_lng }
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end
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# Make an IP address fit in a signed int. Just divide it by 2, as the least significant part
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# just can't possibly matter. We can verify this if needed. My guess is the entire bottom octet is
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# actually irrelevant
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def self.ip_address_to_int(ip)
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ip.split('.').inject(0) {|total,value| (total << 8 ) + value.to_i} / 2
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end
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end
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end
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