class OldNode < ActiveRecord::Base
+ include GeoRecord
+ include ConsistencyValidations
+
set_table_name 'nodes'
+
+ validates_presence_of :changeset_id, :timestamp
+ validates_inclusion_of :visible, :in => [ true, false ]
+ validates_numericality_of :latitude, :longitude
+ validate :validate_position
- belongs_to :user
+ belongs_to :changeset
+
+ def validate_position
+ errors.add_to_base("Node is not in the world") unless in_world?
+ end
def self.from_node(node)
old_node = OldNode.new
old_node.visible = node.visible
old_node.tags = node.tags
old_node.timestamp = node.timestamp
- old_node.user_id = node.user_id
+ old_node.changeset_id = node.changeset_id
old_node.id = node.id
+ old_node.version = node.version
return old_node
end
+
+ def to_xml
+ doc = OSM::API.new.get_xml_doc
+ doc.root << to_xml_node()
+ return doc
+ end
+
+ def to_xml_node
+ el1 = XML::Node.new 'node'
+ el1['id'] = self.id.to_s
+ el1['lat'] = self.lat.to_s
+ el1['lon'] = self.lon.to_s
+ el1['changeset'] = self.changeset.id.to_s
+ el1['user'] = self.changeset.user.display_name if self.changeset.user.data_public?
+
+ self.tags.each do |k,v|
+ el2 = XML::Node.new('tag')
+ el2['k'] = k.to_s
+ el2['v'] = v.to_s
+ el1 << el2
+ end
+
+ el1['visible'] = self.visible.to_s
+ el1['timestamp'] = self.timestamp.xmlschema
+ el1['version'] = self.version.to_s
+ return el1
+ end
+
+ def save_with_dependencies!
+ save!
+ #not sure whats going on here
+ clear_aggregation_cache
+ clear_association_cache
+ #ok from here
+ @attributes.update(OldNode.find(:first, :conditions => ['id = ? AND timestamp = ? AND version = ?', self.id, self.timestamp, self.version]).instance_variable_get('@attributes'))
+
+ self.tags.each do |k,v|
+ tag = OldNodeTag.new
+ tag.k = k
+ tag.v = v
+ tag.id = self.id
+ tag.version = self.version
+ tag.save!
+ end
+ end
+
+ def tags
+ unless @tags
+ @tags = Hash.new
+ OldNodeTag.find(:all, :conditions => ["id = ? AND version = ?", self.id, self.version]).each do |tag|
+ @tags[tag.k] = tag.v
+ end
+ end
+ @tags = Hash.new unless @tags
+ @tags
+ end
+
+ def tags=(t)
+ @tags = t
+ end
+ def tags_as_hash
+ hash = {}
+ Tags.split(self.tags) do |k,v|
+ hash[k] = v
+ end
+ hash
+ end
+
+ # Pretend we're not in any ways
+ def ways
+ return []
+ end
+
+ # Pretend we're not in any relations
+ def containing_relation_members
+ return []
+ end
end