-class Node < GeoRecord
+class Node < ActiveRecord::Base
require 'xml/libxml'
+ include GeoRecord
+
set_table_name 'current_nodes'
validates_presence_of :user_id, :timestamp
validates_numericality_of :latitude, :longitude
validate :validate_position
+ belongs_to :user
+
has_many :old_nodes, :foreign_key => :id
+
has_many :way_nodes
+ has_many :ways, :through => :way_nodes
+
has_many :node_tags, :foreign_key => :id
- belongs_to :user
-
+
+ has_many :containing_relation_members, :class_name => "RelationMember", :as => :member
+ has_many :containing_relations, :class_name => "Relation", :through => :containing_relation_members, :source => :relation, :extend => ObjectFinder
+
+ # Sanity check the latitude and longitude and add an error if it's broken
def validate_position
errors.add_to_base("Node is not in the world") unless in_world?
end
- def in_world?
- return false if self.lat < -90 or self.lat > 90
- return false if self.lon < -180 or self.lon > 180
- return true
- end
-
#
# Search for nodes matching tags within bounding_box
#
doc = p.parse
doc.find('//osm/node').each do |pt|
- return Node.from_xml_node(pt, create)
+ return Node.from_xml_node(pt, create)
end
rescue
return nil
unless create
if pt['id'] != '0'
- node.id = pt['id'].to_i
+ node.id = pt['id'].to_i
end
end
node.timestamp = Time.now
else
if pt['timestamp']
- node.timestamp = Time.parse(pt['timestamp'])
+ node.timestamp = Time.parse(pt['timestamp'])
end
end
tags = self.tags
NodeTag.delete_all(['id = ?', self.id])
tags.each do |k,v|
- tag = NodeTag.new
- tag.k = k
- tag.v = v
- tag.id = self.id
- tag.save!
+ tag = NodeTag.new
+ tag.k = k
+ tag.v = v
+ tag.id = self.id
+ tag.save!
end
# Create an OldNode