# Read in xml as text and return it's Node object representation
def self.from_xml(xml, create=false)
begin
- p = XML::Parser.new
- p.string = xml
+ p = XML::Parser.string(xml)
doc = p.parse
doc.find('//osm/node').each do |pt|
return Node.from_xml_node(pt, create)
end
- rescue LibXML::XML::Error => ex
+ rescue LibXML::XML::Error, ArgumentError => ex
raise OSM::APIBadXMLError.new("node", xml, ex.message)
end
end
raise OSM::APIBadXMLError.new("node", pt, "lon missing") if pt['lon'].nil?
node.lat = pt['lat'].to_f
node.lon = pt['lon'].to_f
+ raise OSM::APIBadXMLError.new("node", pt, "changeset id missing") if pt['changeset'].nil?
node.changeset_id = pt['changeset'].to_i
raise OSM::APIBadUserInput.new("The node is outside this world") unless node.in_world?
# visible if it says it is, or as the default if the attribute
# is missing.
- node.visible = pt['visible'].nil? or pt['visible'] == 'true'
+ # Don't need to set the visibility, when it is set explicitly in the create/update/delete
+ #node.visible = pt['visible'].nil? or pt['visible'] == 'true'
- if create
- node.timestamp = Time.now
- else
- if pt['timestamp']
- node.timestamp = Time.parse(pt['timestamp'])
- end
- end
+ # We don't care about the time, as it is explicitly set on create/update/delete
tags = []
# Should probably be renamed delete_from to come in line with update
def delete_with_history!(new_node, user)
unless self.visible
- raise OSM::APIAlreadyDeletedError.new
+ raise OSM::APIAlreadyDeletedError.new("node", new_node.id)
end
# need to start the transaction here, so that the database can
# shouldn't be possible to get race conditions.
Node.transaction do
check_consistency(self, new_node, user)
- if WayNode.find(:first, :joins => "INNER JOIN current_ways ON current_ways.id = current_way_nodes.id", :conditions => [ "current_ways.visible = ? AND current_way_nodes.node_id = ?", true, self.id ])
- raise OSM::APIPreconditionFailedError.new
- elsif RelationMember.find(:first, :joins => "INNER JOIN current_relations ON current_relations.id=current_relation_members.id", :conditions => [ "visible = ? AND member_type='node' and member_id=? ", true, self.id])
- raise OSM::APIPreconditionFailedError.new
- else
- self.changeset_id = new_node.changeset_id
- self.visible = false
-
- # update the changeset with the deleted position
- changeset.update_bbox!(bbox)
-
- save_with_history!
- end
+ way = WayNode.find(:first, :joins => :way,
+ :conditions => [ "current_ways.visible = ? AND current_way_nodes.node_id = ?", true, self.id ])
+ raise OSM::APIPreconditionFailedError.new("Node #{self.id} is still used by way #{way.way.id}.") unless way.nil?
+
+ rel = RelationMember.find(:first, :joins => :relation,
+ :conditions => [ "visible = ? AND member_type='Node' and member_id=? ", true, self.id])
+ raise OSM::APIPreconditionFailedError.new("Node #{self.id} is still used by relation #{rel.relation.id}.") unless rel.nil?
+
+ self.changeset_id = new_node.changeset_id
+ self.visible = false
+
+ # update the changeset with the deleted position
+ changeset.update_bbox!(bbox)
+
+ save_with_history!
end
end
def update_from(new_node, user)
check_consistency(self, new_node, user)
- # update changeset with *old* position first
+ # update changeset first
+ self.changeset_id = new_node.changeset_id
+ self.changeset = new_node.changeset
+
+ # update changeset bbox with *old* position first
changeset.update_bbox!(bbox);
# FIXME logic needs to be double checked
- self.changeset_id = new_node.changeset_id
self.latitude = new_node.latitude
self.longitude = new_node.longitude
self.tags = new_node.tags
self.visible = true
- # update changeset with *new* position
+ # update changeset bbox with *new* position
changeset.update_bbox!(bbox);
save_with_history!
return doc
end
- def to_xml_node(user_display_name_cache = nil)
+ def to_xml_node(changeset_cache = {}, user_display_name_cache = {})
el1 = XML::Node.new 'node'
el1['id'] = self.id.to_s
el1['lat'] = self.lat.to_s
el1['lon'] = self.lon.to_s
el1['version'] = self.version.to_s
el1['changeset'] = self.changeset_id.to_s
-
- user_display_name_cache = {} if user_display_name_cache.nil?
- if user_display_name_cache and user_display_name_cache.key?(self.changeset.user_id)
+ if changeset_cache.key?(self.changeset_id)
+ # use the cache if available
+ else
+ changeset_cache[self.changeset_id] = self.changeset.user_id
+ end
+
+ user_id = changeset_cache[self.changeset_id]
+
+ if user_display_name_cache.key?(user_id)
# use the cache if available
elsif self.changeset.user.data_public?
- user_display_name_cache[self.changeset.user_id] = self.changeset.user.display_name
+ user_display_name_cache[user_id] = self.changeset.user.display_name
else
- user_display_name_cache[self.changeset.user_id] = nil
+ user_display_name_cache[user_id] = nil
end
- if not user_display_name_cache[self.changeset.user_id].nil?
- el1['user'] = user_display_name_cache[self.changeset.user_id]
- el1['uid'] = self.changeset.user_id.to_s
+ if not user_display_name_cache[user_id].nil?
+ el1['user'] = user_display_name_cache[user_id]
+ el1['uid'] = user_id.to_s
end
self.tags.each do |k,v|
##
# dummy method to make the interfaces of node, way and relation
# more consistent.
- def fix_placeholders!(id_map)
+ def fix_placeholders!(id_map, placeholder_id = nil)
# nodes don't refer to anything, so there is nothing to do here
end
private
def save_with_history!
- t = Time.now
+ t = Time.now.getutc
Node.transaction do
self.version += 1
self.timestamp = t
projects / rails.git / blobdiff