75 lines
2.6 KiB
Ruby
75 lines
2.6 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.ip_lookup(ip_addy)
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self.where(["ip_start <= ? AND ip_end >= ?",
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ip_addy, ip_addy])
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.limit(1)
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.first
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end
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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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cols = [:startIpNum, :endIpNum, :country, :region, :city, :latitude, :longitude]
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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 => {
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'startIpNum' => 'ip_start',
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'endIpNum' => 'ip_end',
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'country' => 'country',
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'region' => 'region',
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'city' => 'city',
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'latitude' => 'lat',
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'longitude' => 'lng'},
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:columns => cols) do |row|
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row[0] = row[0]
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row[1] = row[1]
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row[2] = MaxMindIsp.strip_quotes(row[2])
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row[3] = MaxMindIsp.strip_quotes(row[3])
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row[4] = MaxMindIsp.strip_quotes(row[4])
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row.delete_at(5)
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row.delete_at(-1) if 8 <= row.count
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row.delete_at(-1) if 8 <= row.count
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end
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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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Band.find_each { |bnd| bnd.update_lat_lng }
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end
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def self.where_latlng(relation, params, current_user=nil)
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if 0 < (distance = params[:distance].to_i)
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latlng = []
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if location_city = params[:city]
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if geo = self.where(:city => params[:city]).limit(1).first
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latlng = [geo.lat, geo.lng]
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end
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elsif current_user
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if current_user.lat.nil? || current_user.lng.nil?
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if params[:remote_ip] && (geo = self.ip_lookup(params[:remote_ip]))
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latlng = [geo.lat, geo.lng] if geo.lat && geo.lng
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end
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else
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latlng = [current_user.lat, current_user.lng]
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end
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elsif params[:remote_ip] && (geo = self.ip_lookup(params[:remote_ip]))
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latlng = [geo.lat, geo.lng] if geo.lat && geo.lng
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end
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if latlng.present?
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relation = relation.where(['lat IS NOT NULL AND lng IS NOT NULL'])
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.within(distance, :origin => latlng)
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end
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end
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relation
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end
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end
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end
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