Refactor AMF respone streaming

[rails.git] / lib / osm.rb

diff --git a/lib/osm.rb b/lib/osm.rb
index cb23b0c97eb6b0bda038e7dfbdb403b08898503f..8416aab5aad5169d628e33597d196e0cd6df8b87 100644 (file)
--- a/lib/osm.rb
+++ b/lib/osm.rb
@@ -7,6 +7,7 @@ module OSM
   require 'xml/libxml'
   require 'digest/md5'
   require 'RMagick'
+  require 'nokogiri'
 
   # The base class for API Errors.
   class APIError < RuntimeError
@@ -439,14 +440,14 @@ module OSM
       doc = XML::Document.new
       doc.encoding = XML::Encoding::UTF_8
       root = XML::Node.new 'osm'
-      root['version'] = API_VERSION
+      root['version'] = API_VERSION.to_s
       root['generator'] = GENERATOR
       doc.root = root
       return doc
     end
   end
 
-  def self.IPLocation(ip_address)
+  def self.IPToCountry(ip_address)
     Timeout::timeout(4) do
       ipinfo = Quova::IpInfo.new(ip_address)
 
@@ -458,14 +459,22 @@ module OSM
           country = "GB" if country == "UK"
         end
       end
+      
+      return country.upcase
+    end
 
-      country = Country.find_by_code(country.upcase)
+    return nil
+  rescue Exception
+    return nil
+  end
+
+  def self.IPLocation(ip_address)
+    code = OSM.IPToCountry(ip_address)
 
+    if code and country = Country.find_by_code(code)
       return { :minlon => country.min_lon, :minlat => country.min_lat, :maxlon => country.max_lon, :maxlat => country.max_lat }
     end
 
-    return nil
-  rescue Exception
     return nil
   end
 
@@ -498,5 +507,30 @@ module OSM
     return "#{tilesql} AND #{prefix}latitude BETWEEN #{minlat} AND #{maxlat} AND #{prefix}longitude BETWEEN #{minlon} AND #{maxlon}"
   end
 
+  # Return a spam score for a chunk of text
+  def self.spam_score(text)
+    link_count = 0
+    link_size = 0
+
+    doc = Nokogiri::HTML(text)
 
+    if doc.content.length > 0
+      doc.xpath("//a").each do |link|
+        link_count += 1
+        link_size += link.content.length
+      end
+
+      link_proportion = link_size.to_f / doc.content.length.to_f
+    else
+      link_proportion = 0
+    end
+
+    return [link_proportion - 0.2, 0.0].max * 200 + link_count * 20
+  end
+
+  def self.legal_text_for_country(country_code)
+    file_name = File.join(Rails.root, "config", "legales", country_code.to_s + ".yml")
+    file_name = File.join(Rails.root, "config", "legales", DEFAULT_LEGALE + ".yml") unless File.exist? file_name
+    YAML::load_file(file_name)
+  end
 end