# 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
# provide repeatable reads for the used-by checks. this means it
# shouldn't be possible to get race conditions.
Node.transaction do
+ self.lock!
check_consistency(self, new_node, user)
- way = WayNode.find(:first, :joins => "INNER JOIN current_ways ON current_ways.id = current_way_nodes.id",
+ 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.id}.") unless way.nil?
+ raise OSM::APIPreconditionFailedError.new("Node #{self.id} is still used by way #{way.way.id}.") unless way.nil?
- rel = RelationMember.find(:first, :joins => "INNER JOIN current_relations ON current_relations.id=current_relation_members.id",
+ 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 way #{way.id}.") unless rel.nil?
+ 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
end
def update_from(new_node, user)
- check_consistency(self, new_node, user)
-
- # 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.latitude = new_node.latitude
- self.longitude = new_node.longitude
- self.tags = new_node.tags
- self.visible = true
-
- # update changeset bbox with *new* position
- changeset.update_bbox!(bbox);
-
- save_with_history!
+ Node.transaction do
+ self.lock!
+ check_consistency(self, new_node, user)
+
+ # 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.latitude = new_node.latitude
+ self.longitude = new_node.longitude
+ self.tags = new_node.tags
+ self.visible = true
+
+ # update changeset bbox with *new* position
+ changeset.update_bbox!(bbox);
+
+ save_with_history!
+ end
end
def create_with_history(user)
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