p = XML::Parser.new
p.string = xml
doc = p.parse
-
- node = Node.new
doc.find('//osm/node').each do |pt|
- node.lat = pt['lat'].to_f
- node.lon = pt['lon'].to_f
-
- return nil unless node.in_world?
+ return Node.from_xml_node(pt, create)
+ end
+ rescue
+ return nil
+ end
+ end
- unless create
- if pt['id'] != '0'
- node.id = pt['id'].to_i
- end
- end
+ def self.from_xml_node(pt, create=false)
+ node = Node.new
- node.visible = pt['visible'] and pt['visible'] == 'true'
+ node.lat = pt['lat'].to_f
+ node.lon = pt['lon'].to_f
- if create
- node.timestamp = Time.now
- else
- if pt['timestamp']
- node.timestamp = Time.parse(pt['timestamp'])
- end
- end
+ return nil unless node.in_world?
- tags = []
+ unless create
+ if pt['id'] != '0'
+ node.id = pt['id'].to_i
+ end
+ end
- pt.find('tag').each do |tag|
- node.add_tag_key_val(tag['k'],tag['v'])
- end
+ node.visible = pt['visible'] and pt['visible'] == 'true'
+ if create
+ node.timestamp = Time.now
+ else
+ if pt['timestamp']
+ node.timestamp = Time.parse(pt['timestamp'])
end
- rescue
- node = nil
+ end
+
+ tags = []
+
+ pt.find('tag').each do |tag|
+ node.add_tag_key_val(tag['k'],tag['v'])
end
return node
def save_with_history!
t = Time.now
-
- Node.transaction do
- # apply timestamp to the new node
+ Node.transaction do
+ self.version += 1
self.timestamp = t
self.save!
- end
- # Create a NodeTag
- NodeTag.transaction do
+ # Create a NodeTag
tags = self.tags
-
NodeTag.delete_all(['id = ?', self.id])
-
- sequence_id = 1
tags.each do |k,v|
- tag = NodeTag.new
- tag.k = k
- tag.v = v
- tag.id = self.id
- tag.sequence_id = sequence_id
- tag.save!
- sequence_id += 1
+ tag = NodeTag.new
+ tag.k = k
+ tag.v = v
+ tag.id = self.id
+ tag.save!
end
- end
- # Create an OldNode
- old_node = OldNode.from_node(self)
- old_node.timestamp = t
- old_node.save_with_dependencies!
+ # Create an OldNode
+ old_node = OldNode.from_node(self)
+ old_node.timestamp = t
+ old_node.save_with_dependencies!
+ end
end
def to_xml
el1['visible'] = self.visible.to_s
el1['timestamp'] = self.timestamp.xmlschema
+ el1['version'] = self.version.to_s
return el1
end