validates_numericality_of :id, :on => :update, :integer_only => true
validates_associated :changeset
+ scope :visible, where(:visible => true)
+ scope :invisible, where(:visible => false)
+
+ # Read in xml as text and return it's Way object representation
def self.from_xml(xml, create=false)
begin
p = XML::Parser.string(xml)
doc.find('//osm/way').each do |pt|
return Way.from_xml_node(pt, create)
end
+ raise OSM::APIBadXMLError.new("node", xml, "XML doesn't contain an osm/way element.")
rescue LibXML::XML::Error, ArgumentError => ex
raise OSM::APIBadXMLError.new("way", xml, ex.message)
end
def self.from_xml_node(pt, create=false)
way = Way.new
- if !create and pt['id'] != '0'
- way.id = pt['id'].to_i
- end
-
+ raise OSM::APIBadXMLError.new("way", pt, "Version is required when updating") unless create or not pt['version'].nil?
way.version = pt['version']
- raise OSM::APIBadXMLError.new("node", pt, "Changeset is required") if pt['changeset'].nil?
+ raise OSM::APIBadXMLError.new("way", pt, "Changeset id is missing") if pt['changeset'].nil?
way.changeset_id = pt['changeset']
- # This next section isn't required for the create, update, or delete of ways
- if create
- way.timestamp = Time.now.getutc
- way.visible = true
- else
- if pt['timestamp']
- way.timestamp = Time.parse(pt['timestamp'])
- end
- # if visible isn't present then it defaults to true
- way.visible = (pt['visible'] or true)
+ unless create
+ raise OSM::APIBadXMLError.new("way", pt, "ID is required when updating") if pt['id'].nil?
+ way.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 way cannot be zero when updating.") if way.id == 0
end
+ # We don't care about the timestamp nor the visibility as these are either
+ # set explicitly or implicit in the action. The visibility is set to true,
+ # and manually set to false before the actual delete.
+ way.visible = true
+
pt.find('tag').each do |tag|
+ raise OSM::APIBadXMLError.new("way", pt, "tag is missing key") if tag['k'].nil?
+ raise OSM::APIBadXMLError.new("way", pt, "tag is missing value") if tag['v'].nil?
way.add_tag_keyval(tag['k'], tag['v'])
end
def preconditions_ok?(old_nodes = [])
return false if self.nds.empty?
- if self.nds.length > APP_CONFIG['max_number_of_way_nodes']
- raise OSM::APITooManyWayNodesError.new(self.nds.length, APP_CONFIG['max_number_of_way_nodes'])
+ if self.nds.length > MAX_NUMBER_OF_WAY_NODES
+ raise OSM::APITooManyWayNodesError.new(self.id, self.nds.length, MAX_NUMBER_OF_WAY_NODES)
end
# check only the new nodes, for efficiency - old nodes having been checked last time and can't
new_nds = (self.nds - old_nodes).sort.uniq
unless new_nds.empty?
- db_nds = Node.find(:all, :conditions => { :id => new_nds, :visible => true })
+ db_nds = Node.where(:id => new_nds, :visible => true)
if db_nds.length < new_nds.length
missing = new_nds - db_nds.collect { |n| n.id }
Way.transaction do
self.lock!
check_consistency(self, new_way, user)
- rel = RelationMember.find(:first, :joins => :relation,
- :conditions => [ "visible = ? AND member_type='Way' and member_id=? ", true, self.id])
- raise OSM::APIPreconditionFailedError.new("Way #{self.id} still used by relation #{rel.relation.id}.") if rel
-
+ rels = Relation.joins(:relation_members).where(:visible => true, :current_relation_members => { :member_type => "Way", :member_id => id }).order(:id)
+ raise OSM::APIPreconditionFailedError.new("Way #{self.id} is still used by relations #{rels.collect { |r| r.id }.join(",")}.") unless rels.empty?
+
self.changeset_id = new_way.changeset_id
self.changeset = new_way.changeset