X-Git-Url: https://git.openstreetmap.org./rails.git/blobdiff_plain/41f85fb77dbd0c16f12e49091b14fcaa1264ad70..4bbd7f531017daf2b72517b1c1e20b523270bdf8:/app/models/node.rb diff --git a/app/models/node.rb b/app/models/node.rb index 035a07eac..df6442b83 100644 --- a/app/models/node.rb +++ b/app/models/node.rb @@ -70,6 +70,7 @@ class Node < ActiveRecord::Base doc.find('//osm/node').each do |pt| return Node.from_xml_node(pt, create) end + raise OSM::APIBadXMLError.new("node", xml, "XML doesn't contain an osm/node element.") rescue LibXML::XML::Error, ArgumentError => ex raise OSM::APIBadXMLError.new("node", xml, ex.message) end @@ -82,7 +83,7 @@ class Node < ActiveRecord::Base 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? + raise OSM::APIBadXMLError.new("node", pt, "Changeset id is 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? @@ -92,21 +93,21 @@ class Node < ActiveRecord::Base node.version = create ? 0 : pt['version'].to_i unless create - if pt['id'] != '0' - node.id = pt['id'].to_i - end + raise OSM::APIBadXMLError.new("node", pt, "ID is required when updating.") if pt['id'].nil? + node.id = pt['id'].to_i + # .to_i will return 0 if there is no number that can be parsed. + # We want to make sure that there is no id with zero anyway + raise OSM::APIBadUserInput.new("ID of node cannot be zero when updating.") if node.id == 0 end - # visible if it says it is, or as the default if the attribute - # is missing. - # 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' - # We don't care about the time, as it is explicitly set on create/update/delete - - tags = [] + # We don't care about the visibility as it is implicit based on the action + # and set manually before the actual delete + node.visible = true pt.find('tag').each do |tag| + raise OSM::APIBadXMLError.new("node", pt, "tag is missing key") if tag['k'].nil? + raise OSM::APIBadXMLError.new("node", pt, "tag is missing value") if tag['v'].nil? node.add_tag_key_val(tag['k'],tag['v']) end @@ -130,14 +131,15 @@ class Node < ActiveRecord::Base # 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 relation #{rel.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 @@ -149,51 +151,30 @@ class Node < ActiveRecord::Base end end - # As above but doesn't throw an error if node is used elsewhere - instead, just silently - # returns without deleting the node. Potlatch needs this in case you ask to delete an - # off-screen node while deleting a way - it doesn't know whether the node is used - # elsewhere or not. - def delete_with_history_unless_used!(new_node, user) - unless self.visible - raise OSM::APIAlreadyDeletedError.new("node", new_node.id) - end - + def update_from(new_node, user) 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", - :conditions => [ "current_ways.visible = ? AND current_way_nodes.node_id = ?", true, self.id ]) - rel = 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]) - if way.nil? and rel.nil? - self.changeset_id = new_node.changeset_id - self.visible = false - changeset.update_bbox!(bbox) - save_with_history! - end + + # 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 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! - end def create_with_history(user) check_create_consistency(self, user)