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require 'dm-core' | |
require 'dm-core/core_ext/symbol' | |
require 'dm-validations' | |
require 'appengine-apis' | |
require 'appengine-apis/local_boot' | |
require 'dm-appengine' | |
DataMapper::Logger.new(STDOUT, :debug) | |
DataMapper.setup(:default, "app_engine://memory") |
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>> Location.first | |
=> nil | |
>> Location.find_by_ip | |
ArgumentError: wrong # of arguments(0 for 1) | |
from (irb):32:in `find_by_ip' | |
from (irb):32 | |
>> Location.find_by_ip("255.255.0.1") | |
NoMethodError: undefined method `add_sort' for #<AppEngine::Datastore::Query:0x15a28df8> | |
from /Users/ted/Code/jruby/lib/ruby/gems/1.8/gems/dm-appengine-0.0.1/lib/dm-appengine.rb:175:in `map' | |
from /Users/ted/Code/jruby/lib/ruby/gems/1.8/gems/dm-appengine-0.0.1/lib/dm-appengine.rb:175:in `parse_order' | |
from /Users/ted/Code/jruby/lib/ruby/gems/1.8/gems/dm-appengine-0.0.1/lib/dm-appengine.rb:153:in `initialize' | |
from /Users/ted/Code/jruby/lib/ruby/gems/1.8/gems/dm-appengine-0.0.1/lib/dm-appengine.rb:97:in `read' | |
from /Users/ted/Code/jruby/lib/ruby/gems/1.8/gems/dm-core-0.10.0/lib/dm-core/repository.rb:145:in `read' | |
from /Users/ted/Code/jruby/lib/ruby/gems/1.8/gems/dm-core-0.10.0/lib/dm-core/model.rb:396:in `first' | |
from (irb):21:in `find_by_ip' | |
from (irb):33 | |
>> |
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class Location | |
include DataMapper::Resource | |
property :ip_start, Integer, :key => true | |
property :country_code, String, :length => 2 | |
property :region_code, String, :length => 2 | |
property :city, String, :length => 64 | |
property :zipcode, String, :length => 6 | |
property :latitude, Float | |
property :longitude, Float | |
attr_accessor :ip | |
def self.find_by_ip(ip) | |
return unless valid_ip?(ip) | |
o = ip.split('.').collect {|i| i.to_i } | |
i = (o[0] * 256 + o[1]) * 256 + o[2] | |
r = first(:ip_start.lte => ip, :order => [:ip_start.desc]) | |
r.ip = ip if r | |
r | |
end | |
def self.valid_ip?(ip) | |
ip =~ /^(\d{1,3}\.\d{1,3}\.\d{1,3}\.\d{1,3})?$/ | |
end | |
end |
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