-class OldNode < ActiveRecord::Base
+class OldNode < GeoRecord
set_table_name 'nodes'
+
+ validates_presence_of :user_id, :timestamp
+ validates_inclusion_of :visible, :in => [ true, false ]
+ validates_numericality_of :latitude, :longitude
+ validate :validate_position
belongs_to :user
+
+ 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
def self.from_node(node)
old_node = OldNode.new
old_node.timestamp = node.timestamp
old_node.user_id = node.user_id
old_node.id = node.id
+ old_node.version = node.version
return old_node
end
def to_xml_node
el1 = XML::Node.new 'node'
el1['id'] = self.id.to_s
- el1['lat'] = self.latitude.to_s
- el1['lon'] = self.longitude.to_s
- Node.split_tags(el1, self.tags)
+ el1['lat'] = self.lat.to_s
+ el1['lon'] = self.lon.to_s
+ el1['user'] = self.user.display_name if self.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 = ?', self.id, self.timestamp]).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
+
end