+# == Schema Information
+#
+# Table name: current_nodes
+#
+# id :bigint(8) not null, primary key
+# latitude :integer not null
+# longitude :integer not null
+# changeset_id :bigint(8) not null
+# visible :boolean not null
+# timestamp :datetime not null
+# tile :bigint(8) not null
+# version :bigint(8) not null
+#
+# Indexes
+#
+# current_nodes_tile_idx (tile)
+# current_nodes_timestamp_idx (timestamp)
+#
+# Foreign Keys
+#
+# current_nodes_changeset_id_fkey (changeset_id => changesets.id)
+#
+
class Node < ActiveRecord::Base
require "xml/libxml"
has_many :containing_relations, :class_name => "Relation", :through => :containing_relation_members, :source => :relation
validates :id, :uniqueness => true, :presence => { :on => :update },
- :numericality => { :on => :update, :integer_only => true }
+ :numericality => { :on => :update, :only_integer => true }
validates :version, :presence => true,
- :numericality => { :integer_only => true }
+ :numericality => { :only_integer => true }
validates :changeset_id, :presence => true,
- :numericality => { :integer_only => true }
+ :numericality => { :only_integer => true }
validates :latitude, :presence => true,
- :numericality => { :integer_only => true }
+ :numericality => { :only_integer => true }
validates :longitude, :presence => true,
- :numericality => { :integer_only => true }
+ :numericality => { :only_integer => true }
validates :timestamp, :presence => true
validates :changeset, :associated => true
validates :visible, :inclusion => [true, false]
# Read in xml as text and return it's Node object representation
def self.from_xml(xml, create = false)
- p = XML::Parser.string(xml)
+ p = XML::Parser.string(xml, :options => XML::Parser::Options::NOERROR)
doc = p.parse
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)
+ rescue LibXML::XML::Error, ArgumentError => e
+ raise OSM::APIBadXMLError.new("node", xml, e.message)
end
def self.from_xml_node(pt, create = false)
raise OSM::APIBadXMLError.new("node", pt, "lat missing") if pt["lat"].nil?
raise OSM::APIBadXMLError.new("node", pt, "lon missing") if pt["lon"].nil?
+
node.lat = OSM.parse_float(pt["lat"], OSM::APIBadXMLError, "node", pt, "lat not a number")
node.lon = OSM.parse_float(pt["lon"], OSM::APIBadXMLError, "node", pt, "lon not a number")
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?
+ raise OSM::APIBadUserInput, "The node is outside this world" unless node.in_world?
# version must be present unless creating
raise OSM::APIBadXMLError.new("node", pt, "Version is required when updating") unless create || !pt["version"].nil?
+
node.version = create ? 0 : pt["version"].to_i
unless create
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.zero?
+ raise OSM::APIBadUserInput, "ID of node cannot be zero when updating." if node.id.zero?
end
# We don't care about the time, as it is explicitly set on create/update/delete
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
lock!
check_consistency(self, new_node, user)
ways = Way.joins(:way_nodes).where(:visible => true, :current_way_nodes => { :node_id => id }).order(:id)
- raise OSM::APIPreconditionFailedError.new("Node #{id} is still used by ways #{ways.collect(&:id).join(",")}.") unless ways.empty?
+ raise OSM::APIPreconditionFailedError, "Node #{id} is still used by ways #{ways.collect(&:id).join(',')}." unless ways.empty?
rels = Relation.joins(:relation_members).where(:visible => true, :current_relation_members => { :member_type => "Node", :member_id => id }).order(:id)
- raise OSM::APIPreconditionFailedError.new("Node #{id} is still used by relations #{rels.collect(&:id).join(",")}.") unless rels.empty?
+ raise OSM::APIPreconditionFailedError, "Node #{id} is still used by relations #{rels.collect(&:id).join(',')}." unless rels.empty?
self.changeset_id = new_node.changeset_id
self.tags = {}
save_with_history!
end
- def to_xml
- doc = OSM::API.new.get_xml_doc
- doc.root << to_xml_node
- doc
- end
-
- def to_xml_node(changeset_cache = {}, user_display_name_cache = {})
- el = XML::Node.new "node"
- el["id"] = id.to_s
-
- add_metadata_to_xml_node(el, self, changeset_cache, user_display_name_cache)
-
- if visible?
- el["lat"] = lat.to_s
- el["lon"] = lon.to_s
- end
-
- add_tags_to_xml_node(el, node_tags)
-
- el
- end
-
def tags_as_hash
tags
end
attr_writer :tags
def add_tag_key_val(k, v)
- @tags = {} unless @tags
+ @tags ||= {}
# duplicate tags are now forbidden, so we can't allow values
# in the hash to be overwritten.
def save_with_history!
t = Time.now.getutc
+
+ self.version += 1
+ self.timestamp = t
+
Node.transaction do
- self.version += 1
- self.timestamp = t
- save!
+ # clone the object before saving it so that the original is
+ # still marked as dirty if we retry the transaction
+ clone.save!
# Create a NodeTag
tags = self.tags
- NodeTag.delete_all(:node_id => id)
+ NodeTag.where(:node_id => id).delete_all
tags.each do |k, v|
tag = NodeTag.new
tag.node_id = id
projects / rails.git / blobdiff