openstreetmap-website/app/models/old_node.rb

106 lines
2.4 KiB
Ruby

class OldNode < ActiveRecord::Base
include 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 :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.latitude = node.latitude
old_node.longitude = node.longitude
old_node.visible = node.visible
old_node.tags = node.tags
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
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['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
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