belongs_to :changeset
- has_many :old_nodes, :order => :version
+ has_many :old_nodes, -> { order(:version) }
has_many :way_nodes
has_many :ways, :through => :way_nodes
validate :validate_position
validates_associated :changeset
- scope :visible, where(:visible => true)
- scope :invisible, where(:visible => false)
+ scope :visible, -> { where(:visible => true) }
+ scope :invisible, -> { where(:visible => false) }
# Sanity check the latitude and longitude and add an error if it's broken
def validate_position
errors.add(:base, "Node is not in the world") unless in_world?
end
- #
- # Search for nodes matching tags within bounding_box
- #
- # Also adheres to limitations such as within max_number_of_nodes
- #
- def self.search(bounding_box, tags = {})
- # @fixme a bit of a hack to search for only visible nodes
- # couldn't think of another to add to tags condition
- #conditions_hash = tags.merge({ 'visible' => 1 })
-
- # using named placeholders http://www.robbyonrails.com/articles/2005/10/21/using-named-placeholders-in-ruby
- #keys = []
- #values = {}
-
- #conditions_hash.each do |key,value|
- # keys << "#{key} = :#{key}"
- # values[key.to_sym] = value
- #end
- #conditions = keys.join(' AND ')
-
- find_by_area(bounding_box, :conditions => {:visible => true},
- :limit => MAX_NUMBER_OF_NODES+1)
- end
-
# Read in xml as text and return it's Node object representation
def self.from_xml(xml, create=false)
begin
raise OSM::APIBadXMLError.new("node", pt, "lat missing") if pt['lat'].nil?
raise OSM::APIBadXMLError.new("node", pt, "lon missing") if pt['lon'].nil?
- begin
- node.lat = Float(pt['lat'])
- rescue
- raise OSM::APIBadXMLError.new("node", pt, "lat not a number")
- end
- begin
- node.lon = Float(pt['lon'])
- rescue
- raise OSM::APIBadXMLError.new("node", pt, "lon not a number")
- end
+ node.lat = OSM.parse_float(pt['lat'], OSM::APIBadXMLError, "node", pt, "lat not a number")
+ node.lon = OSM.parse_float(pt['lon'], OSM::APIBadXMLError, "node", pt, "lon not a number")
raise OSM::APIBadXMLError.new("node", pt, "Changeset id is missing") if pt['changeset'].nil?
node.changeset_id = pt['changeset'].to_i