X-Git-Url: https://git.openstreetmap.org/rails.git/blobdiff_plain/3d906fe8c6303c00e399ce2dfecc3471959fbe6e..012d5b69c6807ec59b8b6dfacd36a43778902a06:/lib/osm.rb

diff --git a/lib/osm.rb b/lib/osm.rb
index 5be2da56a..3da9671c1 100644
--- a/lib/osm.rb
+++ b/lib/osm.rb
@@ -6,7 +6,13 @@ module OSM
   require 'rexml/text'
   require 'xml/libxml'
   require 'digest/md5'
-  require 'RMagick'
+
+  if defined?(SystemTimer)
+    Timer = SystemTimer
+  else
+    require 'timeout'
+    Timer = Timeout
+  end
 
   # The base class for API Errors.
   class APIError < RuntimeError
@@ -37,7 +43,7 @@ module OSM
     end
 
     def status
-      :precondition_failed    
+      :precondition_failed
     end
 
     def to_s
@@ -50,13 +56,13 @@ module OSM
     def initialize(object = "object", object_id = "")
       @object, @object_id = object, object_id
     end
-    
+
     attr_reader :object, :object_id
 
     def status
       :gone
     end
-    
+
     def to_s
       "The #{object} with the id #{object_id} has already been deleted"
     end
@@ -89,7 +95,7 @@ module OSM
       "The changeset #{@changeset.id} was closed at #{@changeset.closed_at}"
     end
   end
-  
+
   # Raised when a change is expecting a changeset, but the changeset doesn't exist
   class APIChangesetMissingError < APIError
     def status
@@ -116,7 +122,7 @@ module OSM
       "Changeset mismatch: Provided #{@provided} but only #{@allowed} is allowed"
     end
   end
-  
+
   # Raised when a diff upload has an unknown action. You can only have create,
   # modify, or delete
   class APIChangesetActionInvalid < APIError
@@ -127,7 +133,7 @@ module OSM
     def status
       :bad_request
     end
-    
+
     def to_s
       "Unknown action #{@provided}, choices are create, modify, delete"
     end
@@ -183,22 +189,22 @@ module OSM
       "Element #{@type}/#{@id} has duplicate tags with key #{@tag_key}"
     end
   end
-  
+
   # Raised when a way has more than the configured number of way nodes.
   # This prevents ways from being to long and difficult to work with
   class APITooManyWayNodesError < APIError
-    def initialize(provided, max)
-      @provided, @max = provided, max
+    def initialize(id, provided, max)
+      @id, @provided, @max = id, provided, max
     end
-    
-    attr_reader :provided, :max
+
+    attr_reader :id, :provided, :max
 
     def status
       :bad_request
     end
-    
+
     def to_s
-      "You tried to add #{provided} nodes to the way, however only #{max} are allowed"
+      "You tried to add #{provided} nodes to way #{id}, however only #{max} are allowed"
     end
   end
 
@@ -262,6 +268,19 @@ module OSM
     end
   end
 
+  ##
+  # raised when someone tries to redact a current version of
+  # an element - only historical versions can be redacted.
+  class APICannotRedactError < APIError
+    def status
+      :bad_request
+    end
+
+    def to_s
+      "Cannot redact current version of element, only historical versions may be redacted."
+    end
+  end
+
   # Helper methods for going to/from mercator and lat/lng.
   class Mercator
     include Math
@@ -327,13 +346,25 @@ module OSM
     # get the worst case bounds for a given radius from the base position
     def bounds(radius)
       latradius = 2 * asin(sqrt(sin(radius / 6372.795 / 2) ** 2))
-      lonradius = 2 * asin(sqrt(sin(radius / 6372.795 / 2) ** 2 / cos(@lat) ** 2))
+
+      begin
+        lonradius = 2 * asin(sqrt(sin(radius / 6372.795 / 2) ** 2 / cos(@lat) ** 2))
+      rescue Errno::EDOM
+        lonradius = PI
+      end
+
       minlat = (@lat - latradius) * 180 / PI
       maxlat = (@lat + latradius) * 180 / PI
       minlon = (@lon - lonradius) * 180 / PI
       maxlon = (@lon + lonradius) * 180 / PI
+
       return { :minlat => minlat, :maxlat => maxlat, :minlon => minlon, :maxlon => maxlon }
     end
+
+    # get the SQL to use to calculate distance
+    def sql_for_distance(lat_field, lon_field)
+      "6372.795 * 2 * asin(sqrt(power(sin((radians(#{lat_field}) - #{@lat}) / 2), 2) + cos(#{@lat}) * cos(radians(#{lat_field})) * power(sin((radians(#{lon_field}) - #{@lon})/2), 2)))"
+    end
   end
 
   class GeoRSS
@@ -427,21 +458,30 @@ 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
+      root['copyright'] = COPYRIGHT_OWNER
+      root['attribution'] = ATTRIBUTION_URL
+      root['license'] =  LICENSE_URL
       doc.root = root
       return doc
     end
   end
 
-  def self.IPLocation(ip_address)
-    Timeout::timeout(4) do
-      Net::HTTP.start('api.hostip.info') do |http|
-        country = http.get("/country.php?ip=#{ip_address}").body
-        country = "GB" if country == "UK"
-        country = Country.find_by_code(country)
-        return { :minlon => country.min_lon, :minlat => country.min_lat, :maxlon => country.max_lon, :maxlat => country.max_lat }
+  def self.IPToCountry(ip_address)
+    Timer.timeout(4) do
+      ipinfo = Quova::IpInfo.new(ip_address)
+
+      if ipinfo.status == Quova::Success then
+        country = ipinfo.country_code
+      else
+        Net::HTTP.start('api.hostip.info') do |http|
+          country = http.get("/country.php?ip=#{ip_address}").body
+          country = "GB" if country == "UK"
+        end
       end
+      
+      return country.upcase
     end
 
     return nil
@@ -449,6 +489,16 @@ module OSM
     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
+  end
+
   # Construct a random token of a given length
   def self.make_token(length = 30)
     chars = 'abcdefghijklmnopqrtuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ0123456789'
@@ -468,15 +518,17 @@ module OSM
   end
 
   # Return an SQL fragment to select a given area of the globe
-  def self.sql_for_area(minlat, minlon, maxlat, maxlon, prefix = nil)
-    tilesql = QuadTile.sql_for_area(minlat, minlon, maxlat, maxlon, prefix)
-    minlat = (minlat * 10000000).round
-    minlon = (minlon * 10000000).round
-    maxlat = (maxlat * 10000000).round
-    maxlon = (maxlon * 10000000).round
-
-    return "#{tilesql} AND #{prefix}latitude BETWEEN #{minlat} AND #{maxlat} AND #{prefix}longitude BETWEEN #{minlon} AND #{maxlon}"
-  end
+  def self.sql_for_area(bbox, prefix = nil)
+    tilesql = QuadTile.sql_for_area(bbox, prefix)
+    bbox = bbox.to_scaled
 
+    return "#{tilesql} AND #{prefix}latitude BETWEEN #{bbox.min_lat} AND #{bbox.max_lat} " +
+                      "AND #{prefix}longitude BETWEEN #{bbox.min_lon} AND #{bbox.max_lon}"
+  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