X-Git-Url: https://git.openstreetmap.org/rails.git/blobdiff_plain/3d906fe8c6303c00e399ce2dfecc3471959fbe6e..95d899786a1bbabacc0cd12ef1c4814118d9d0de:/lib/osm.rb diff --git a/lib/osm.rb b/lib/osm.rb index 5be2da56a..02c51df78 100644 --- 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 @@ -37,7 +38,7 @@ module OSM end def status - :precondition_failed + :precondition_failed end def to_s @@ -50,13 +51,13 @@ 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 +90,7 @@ 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 +117,7 @@ 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 +128,7 @@ module OSM def status :bad_request end - + def to_s "Unknown action #{@provided}, choices are create, modify, delete" end @@ -183,22 +184,22 @@ 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 @@ -327,13 +328,25 @@ 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 +440,27 @@ 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 - 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 } + 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 +468,16 @@ 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 +497,38 @@ 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}" + 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 + # 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