Hi everybody,
I was trying to create a rake task to import geo data by accessing
geonmae API's xml data , I wanna create a list of countries , cities ,
sub cities that r related to each other through nested list , anyways, I
have a problem with the recursion i made , i didn't get it , I'll list
the code hopefully i will get some help from any expert here around ,
Any help will b highly appreciated .
----------------------------------------------------------
require File.dirname(__FILE__) + '/../config/boot'
require "#{RAILS_ROOT}/config/environment"
conf = YAML::load(File.open(File.dirname(__FILE__) +
'/../config/database.yml'))
ActiveRecord::Base.establish_connection(conf['development'])
module Geonames
@@langs={}
Language.all.each{|Lan| @@langs[Lan.iso_639_1] = Lan.id}
@@continent = {'AF' => 6255146}#, 'AS' => 6255147, 'EU' =>
6255148, 'NA' => 6255149 , 'OC' => 6255151,'SA' => 6255150,'AN' =>
6255152}
def self.import
puts "lets start the game"
self.import_continents
self.import_countries_and_sub
end
def self.import_continents
puts '*** add globe to tables'
self.add_new_tag({:tag_type =>1,:status => 0, :user_id =>
666666},{:content => 'Globe', :language =>@@langs['en'], :primary =>
true},{})
puts '*** add continent tables'
@@continent.each_key{|x,y| self.add_new_tag({:tag_type
=>1,:status => 0, :user_id => 666666, :sub_type =>0},{:content => x,
:language =>@@langs['en'], :primary =>true}, {:parent_id =>
Region.find_by_word_name('Globe').id} )}
end
def self.import_countries_and_sub
@@continent.each do |cont_name,cont_geo_id|
puts "importing countiries in #{cont_name} continents"
@@cont_id = Region.find_by_name(cont_name)
self.do_nasty_stuff(cont_geo_id, @@cont_id, 1)
end
end
def self.add_new_tag(tag_options={}, word_options={},
region_options={}, alt={})
# not gonna list all the code since u don't have all the time to
read it :) anyways this function for adding the geo as a tag and save it
with different language and different spelling as non primary words for
this tag
end
def self.do_nasty_stuff(geo_id, prt_id, sub_type)
# the xml data of that data given by geo id number
@@baba_xml =
Hpricot.parse(open("http://ws.geonames.org/children?geonameId=#{geo_id}&style=full";))
p "*********************** importing xml of #{geo_id}
*********************"
(@@baba_xml/:geoname).each do |thing|
lat = CGI.escapeHTML(thing.at(:lat).children.first.to_s)
lng = CGI.escapeHTML(thing.at(:lng).children.first.to_s)
# add the main country
extra_info = {:lat => lat, :lng => lng }
# add the sub alternative names as non primary words
alt_hash = Hash.new
thing.search(:alternatename).each do |alt|
alt_hash[alt.children.first.to_s] =
@@langs[alt[:lang]]
end
# forget about the parameters here , it has nothing with
the problem
self.add_new_tag({:tag_type =>1,:status => 0, :user_id
=> 666666, :sub_type =>sub_type},{:content => name, :language
=>@@langs['en'], :primary =>true}, {:parent_id => prt_id, :data =>
extra_info} ,alt_hash)
# HERE IS WHERE I NEED UR HELP
if ((sub_type.to_i < 3))
prt_id = Region.find_by_word_name(name)
geo_id =
CGI.escapeHTML(thing.at(:geonameid).children.first.to_s)
p " do nasty stuff #{geo_id} #{prt_id} , #{sub_type}"
self.do_nasty_stuff(geo_id, prt_id, sub_type + 1)
end
end
end
end
----------------------------------------------------------------------
in do_nasty_stuff -> if ((sub_type.to_i < 2)) , I don't know why but
the returning data is not accurate , as 4 example , in Africa , the
first loop in working perfectly but then it will list Angola for example
as child of the previous country (algeria) ...
Thnx
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