# The OSM module provides support functions for OSM.
module OSM
-
- require 'time'
- require 'rexml/parsers/sax2parser'
- require 'rexml/text'
- require 'xml/libxml'
+ require "time"
+ require "rexml/parsers/sax2parser"
+ require "rexml/text"
+ require "xml/libxml"
if defined?(SystemTimer)
Timer = SystemTimer
else
- require 'timeout'
+ require "timeout"
Timer = Timeout
end
# Raised when to delete an already-deleted object.
class APIAlreadyDeletedError < APIError
def initialize(object = "object", object_id = "")
- @object, @object_id = object, object_id
+ @object = object
+ @object_id = object_id
end
attr_reader :object, :object_id
end
end
+ # Raised when the changeset provided is not yet closed
+ class APIChangesetNotYetClosedError < APIError
+ def initialize(changeset)
+ @changeset = changeset
+ end
+
+ attr_reader :changeset
+
+ def status
+ :conflict
+ end
+
+ def to_s
+ "The changeset #{@changeset.id} is not yet closed."
+ end
+ end
+
+ # Raised when a user is already subscribed to the changeset
+ class APIChangesetAlreadySubscribedError < APIError
+ def initialize(changeset)
+ @changeset = changeset
+ end
+
+ attr_reader :changeset
+
+ def status
+ :conflict
+ end
+
+ def to_s
+ "You are already subscribed to changeset #{@changeset.id}."
+ end
+ end
+
+ # Raised when a user is not subscribed to the changeset
+ class APIChangesetNotSubscribedError < APIError
+ def initialize(changeset)
+ @changeset = changeset
+ end
+
+ attr_reader :changeset
+
+ def status
+ :not_found
+ end
+
+ def to_s
+ "You are not subscribed to changeset #{@changeset.id}."
+ end
+ end
+
# Raised when a change is expecting a changeset, but the changeset doesn't exist
class APIChangesetMissingError < APIError
def status
# the changeset ID that the diff was uploaded to.
class APIChangesetMismatchError < APIError
def initialize(provided, allowed)
- @provided, @allowed = provided, allowed
+ @provided = provided
+ @allowed = allowed
end
def status
# Raised when bad XML is encountered which stops things parsing as
# they should.
class APIBadXMLError < APIError
- def initialize(model, xml, message="")
- @model, @xml, @message = model, xml, message
+ def initialize(model, xml, message = "")
+ @model = model
+ @xml = xml
+ @message = message
end
def status
# Raised when the provided version is not equal to the latest in the db.
class APIVersionMismatchError < APIError
def initialize(id, type, provided, latest)
- @id, @type, @provided, @latest = id, type, provided, latest
+ @id = id
+ @type = type
+ @provided = provided
+ @latest = latest
end
attr_reader :provided, :latest, :id, :type
# this is now forbidden by the API.
class APIDuplicateTagsError < APIError
def initialize(type, id, tag_key)
- @type, @id, @tag_key = type, id, tag_key
+ @type = type
+ @id = id
+ @tag_key = tag_key
end
attr_reader :type, :id, :tag_key
# This prevents ways from being to long and difficult to work with
class APITooManyWayNodesError < APIError
def initialize(id, provided, max)
- @id, @provided, @max = id, provided, max
+ @id = id
+ @provided = provided
+ @max = max
end
attr_reader :id, :provided, :max
class Mercator
include Math
- #init me with your bounding box and the size of your image
+ # init me with your bounding box and the size of your image
def initialize(min_lat, min_lon, max_lat, max_lon, width, height)
xsize = xsheet(max_lon) - xsheet(min_lon)
ysize = ysheet(max_lat) - ysheet(min_lat)
@by = ysheet(max_lat) + ypad / 2
end
- #the following two functions will give you the x/y on the entire sheet
+ # the following two functions will give you the x/y on the entire sheet
def ysheet(lat)
log(tan(PI / 4 + (lat * PI / 180 / 2))) / (PI / 180)
lon
end
- #and these two will give you the right points on your image. all the constants can be reduced to speed things up. FIXME
+ # and these two will give you the right points on your image. all the constants can be reduced to speed things up. FIXME
def y(lat)
- return @height - ((ysheet(lat) - @ty) / (@by - @ty) * @height)
+ @height - ((ysheet(lat) - @ty) / (@by - @ty) * @height)
end
def x(lon)
- return ((xsheet(lon) - @tx) / (@bx - @tx) * @width)
+ ((xsheet(lon) - @tx) / (@bx - @tx) * @width)
end
end
def distance(lat, lon)
lat = lat * PI / 180
lon = lon * PI / 180
- return 6372.795 * 2 * asin(sqrt(sin((lat - @lat) / 2) ** 2 + cos(@lat) * cos(lat) * sin((lon - @lon)/2) ** 2))
+ 6372.795 * 2 * asin(sqrt(sin((lat - @lat) / 2)**2 + cos(@lat) * cos(lat) * sin((lon - @lon) / 2)**2))
end
# 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))
+ latradius = 2 * asin(sqrt(sin(radius / 6372.795 / 2)**2))
begin
- lonradius = 2 * asin(sqrt(sin(radius / 6372.795 / 2) ** 2 / cos(@lat) ** 2))
+ lonradius = 2 * asin(sqrt(sin(radius / 6372.795 / 2)**2 / cos(@lat)**2))
rescue Errno::EDOM, Math::DomainError
lonradius = PI
end
- minlat = (@lat - latradius) * 180 / PI
- maxlat = (@lat + latradius) * 180 / PI
- minlon = (@lon - lonradius) * 180 / PI
- maxlon = (@lon + lonradius) * 180 / PI
+ minlat = [(@lat - latradius) * 180 / PI, -90].max
+ maxlat = [(@lat + latradius) * 180 / PI, 90].min
+ minlon = [(@lon - lonradius) * 180 / PI, -180].max
+ maxlon = [(@lon + lonradius) * 180 / PI, 180].min
- return { :minlat => minlat, :maxlat => maxlat, :minlon => minlon, :maxlon => maxlon }
+ BoundingBox.new(minlon, minlat, maxlon, maxlat)
end
# get the SQL to use to calculate distance
def get_xml_doc
doc = XML::Document.new
doc.encoding = XML::Encoding::UTF_8
- root = XML::Node.new 'osm'
- root['version'] = API_VERSION.to_s
- root['generator'] = GENERATOR
- root['copyright'] = COPYRIGHT_OWNER
- root['attribution'] = ATTRIBUTION_URL
- root['license'] = LICENSE_URL
+ root = XML::Node.new "osm"
+ xml_root_attributes.each do |k, v|
+ root[k] = v
+ end
doc.root = root
- return doc
+ doc
end
- end
- def self.IPToCountry(ip_address)
- Timer.timeout(4) do
- ipinfo = Quova::IpInfo.new(ip_address)
+ def xml_root_attributes
+ { "version" => API_VERSION.to_s,
+ "generator" => GENERATOR,
+ "copyright" => COPYRIGHT_OWNER,
+ "attribution" => ATTRIBUTION_URL,
+ "license" => LICENSE_URL }
+ end
+ end
- 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
+ def self.ip_to_country(ip_address)
+ ipinfo = geoip_database.country(ip_address) if defined?(GEOIP_DATABASE)
- return country.upcase
+ if ipinfo
+ country = ipinfo.country_code2
+ else
+ country = http_client.get("https://api.hostip.info/country.php?ip=#{ip_address}").body
+ country = "GB" if country == "UK"
end
- return nil
- rescue Exception
- return nil
+ country
+ rescue StandardError
+ nil
end
- def self.IPLocation(ip_address)
- code = OSM.IPToCountry(ip_address)
+ def self.ip_location(ip_address)
+ code = OSM.ip_to_country(ip_address)
- if code and country = Country.find_by_code(code)
+ if code && country = Country.find(code)
return { :minlon => country.min_lon, :minlat => country.min_lat, :maxlon => country.max_lon, :maxlat => country.max_lat }
end
- return nil
+ nil
end
# Parse a float, raising a specified exception on failure
def self.parse_float(str, klass, *args)
Float(str)
- rescue
+ rescue StandardError
raise klass.new(*args)
end
# Construct a random token of a given length
def self.make_token(length = 30)
- chars = 'abcdefghijklmnopqrtuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ0123456789'
- token = ''
+ chars = "abcdefghijklmnopqrtuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ0123456789"
+ token = ""
length.times do
token += chars[(rand * chars.length).to_i].chr
end
- return token
+ token
end
# Return an SQL fragment to select a given area of the globe
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}"
+ "#{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 the terms and conditions text for a given country
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)
+ file_name = Rails.root.join("config", "legales", country_code.to_s + ".yml")
+ file_name = Rails.root.join("config", "legales", DEFAULT_LEGALE + ".yml") unless File.exist? file_name
+ YAML.load_file(file_name)
+ end
+
+ # Return the HTTP client to use
+ def self.http_client
+ @http_client ||= Faraday.new
+ end
+
+ # Return the GeoIP database handle
+ def self.geoip_database
+ @geoip_database ||= GeoIP.new(GEOIP_DATABASE) if defined?(GEOIP_DATABASE)
end
end