Add tel.search

src/util/tel_search.rb

@@ -0,0 +1,67 @@
+#!/usr/bin/env ruby
+# encoding: utf-8
+
+require 'nokogiri'
+
+class TelSearch
+  Key = '74dfc27b10b775b49ccaaaea2a941b81'
+  # return phone or fax numbers for a given search
+  def TelSearch.search(name, plz=nil, street = nil, typ = :phone)
+    # http://tel.search.ch/api/?was=niklaus+giger&wo=8753
+    # http://tel.search.ch/api/?lang=en&maxnum=10&was=niklaus+giger&wo=8753+Wieshoschet
+    addition = name.gsub(/\s/,'+')
+    url = "http://tel.search.ch/api/?lang=en&maxnum=10&was="
+    if plz or street
+      addition += '&wo='
+      addition += "#{plz}" if plz
+      addition += "#{plz ? '+' : ''}#{street}" if street
+    end
+    url += addition
+    # http://tel.search.ch/api/?was=john+meier&key=
+    url += "&key=#{Key}"
+    filename = (addition + '.xml').gsub(/[&?]/,'_')
+    if (File.exist?(filename) and (File.size(filename) > 100) and (Time.now-File.mtime(filename)).to_i < 24*3600)
+      return TelSearch.analyse_answer(IO.read(filename), typ)
+    end
+    test_ausgabe = File.open(filename, 'w+')
+    inhalt = open(url){
+      |f|
+        f.each_line {|line| test_ausgabe.puts line }
+      }
+    test_ausgabe.close
+    puts "Saving #{filename}"
+    return TelSearch.analyse_answer(IO.read(filename), typ)
+  end
+private
+  def TelSearch.normalize_tel_nr(tel_nr)
+    if m = tel_nr.match(/(\+41)(\d{2})(\d{3})(\d{2})(\d+)/)
+      return "0#{m[2]} #{m[3]} #{m[4]} #{m[5]}"
+    else
+      return tel_nr
+    end
+  end
+  def TelSearch.analyse_answer(xml, type = :phone)
+    # puts "analyse_answer from #{filename} #{File.size(filename)} bytes at #{File.mtime(filename)}"
+    xml_doc  = Nokogiri::XML(xml.gsub(':', '_')) # work around a bug of nokogiri that cannot handle xpath like tel:phone
+    if xml_doc.css('entry').size > 5
+      puts "Is this okay? Found #{xml_doc.css('entry').size} entries."
+      # binding.pry if
+      return nil
+    end
+    item =xml_doc.css('entry').first
+
+    if type == :phone
+      return TelSearch.normalize_tel_nr(item.css('tel_phone').text)
+    elsif type == :fax
+      elem = item.css('tel_extra')
+      if elem and elem.first and elem.first['type'].eql?('Fax')
+        return TelSearch.normalize_tel_nr(elem.text)
+      else
+        return nil
+      end
+    else
+      raise "unexpected phone type #{type}"
+    end
+    return nil
+  end
+end

test/test_util/tel_search.rb

@@ -0,0 +1,27 @@
+#!/usr/bin/env ruby
+# encoding: utf-8
+$: << File.expand_path('..', File.dirname(__FILE__))
+$: << File.expand_path("../../src", File.dirname(__FILE__))
+
+gem 'minitest'
+require 'minitest/autorun'
+require 'util/tel_search'
+
+class TestTelSearch <Minitest::Test
+  def test_niklaus_gigerwhich_has_no_fax_published
+    assert_equal('055 612 20 54', TelSearch.search('niklaus giger', 8753, 'Wieshoschet'))
+    assert_equal(nil, TelSearch.search('niklaus giger', 8753, 'Wieshoschet', :fax))
+  end
+  def test_daniel_pfister_which_has_a_fax
+    assert_equal('055 612 22 22', TelSearch.search('Daniel Pfister', 8753))
+    assert_equal('055 612 01 47', TelSearch.search('Daniel Pfister', 8753, nil, :fax))
+  end
+  def return_nil_if_too_many_result
+    assert_equal(nil, TelSearch.search('giger'))
+  end
+  def test_raises_if_wrong_phone_type_given
+    assert_raises(RuntimeError) do
+      TelSearch.search('niklaus giger', 8753, 'Wieshoschet', :testing_invalid_type)
+    end
+  end
+end