class OldNode < ActiveRecord::Base
include GeoRecord
include ConsistencyValidations
+ include ObjectMetadata
self.table_name = "nodes"
self.primary_keys = "node_id", "version"
# the queries generated by Redactable will use the wrong table name.
include Redactable
- validates_presence_of :changeset_id, :timestamp
- validates_inclusion_of :visible, :in => [ true, false ]
- validates_numericality_of :latitude, :longitude
+ validates :changeset, :presence => true, :associated => true
+ validates :latitude, :presence => true,
+ :numericality => { :integer_only => true }
+ validates :longitude, :presence => true,
+ :numericality => { :integer_only => true }
+ validates :timestamp, :presence => true
+ validates :visible, :inclusion => [true, false]
+
validate :validate_position
- validates_associated :changeset
belongs_to :changeset
belongs_to :redaction
belongs_to :current_node, :class_name => "Node", :foreign_key => "node_id"
+ has_many :old_tags, :class_name => "OldNodeTag", :foreign_key => [:node_id, :version]
+
def validate_position
errors.add(:base, "Node is not in the world") unless in_world?
end
old_node.changeset_id = node.changeset_id
old_node.node_id = node.id
old_node.version = node.version
- return old_node
+ old_node
end
-
+
def to_xml
doc = OSM::API.new.get_xml_doc
- doc.root << to_xml_node()
- return doc
+ doc.root << to_xml_node
+ doc
end
def to_xml_node(changeset_cache = {}, user_display_name_cache = {})
- el1 = XML::Node.new 'node'
- el1['id'] = self.node_id.to_s
- el1['version'] = self.version.to_s
- el1['changeset'] = self.changeset_id.to_s
-
- if self.visible?
- el1['lat'] = self.lat.to_s
- el1['lon'] = self.lon.to_s
- end
-
- 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[user_id] = self.changeset.user.display_name
- else
- user_display_name_cache[user_id] = nil
- end
+ el = XML::Node.new "node"
+ el["id"] = node_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
+ add_metadata_to_xml_node(el, self, changeset_cache, user_display_name_cache)
- self.tags.each do |k,v|
- el2 = XML::Node.new('tag')
- el2['k'] = k.to_s
- el2['v'] = v.to_s
- el1 << el2
+ if visible?
+ el["lat"] = lat.to_s
+ el["lon"] = lon.to_s
end
- el1['visible'] = self.visible.to_s
- el1['timestamp'] = self.timestamp.xmlschema
-
- el1['redacted'] = self.redaction.id.to_s if self.redacted?
+ add_tags_to_xml_node(el, old_tags)
- return el1
+ el
end
def save_with_dependencies!
save!
- #not sure whats going on here
- clear_aggregation_cache
- clear_association_cache
- #ok from here
- @attributes.update(OldNode.where(:node_id => self.node_id, :timestamp => self.timestamp, :version => self.version).first.instance_variable_get('@attributes'))
-
- self.tags.each do |k,v|
+
+ tags.each do |k, v|
tag = OldNodeTag.new
tag.k = k
tag.v = v
- tag.node_id = self.node_id
- tag.version = self.version
+ tag.node_id = node_id
+ tag.version = version
tag.save!
end
end
def tags
- unless @tags
- @tags = Hash.new
- OldNodeTag.where(:node_id => self.node_id, :version => self.version).each do |tag|
- @tags[tag.k] = tag.v
- end
- end
- @tags = Hash.new unless @tags
- @tags
+ @tags ||= Hash[old_tags.collect { |t| [t.k, t.v] }]
end
- def tags=(t)
- @tags = t
+ attr_writer :tags
+
+ def tags_as_hash
+ tags
+ end
+
+ # Pretend we're not in any ways
+ def ways
+ []
end
- def tags_as_hash
- return self.tags
- end
-
- # Pretend we're not in any ways
- def ways
- return []
- end
-
- # Pretend we're not in any relations
- def containing_relation_members
- return []
- end
+ # Pretend we're not in any relations
+ def containing_relation_members
+ []
+ end
# check whether this element is the latest version - that is,
# has the same version as its "current" counterpart.
def is_latest_version?
- current_node.version == self.version
+ current_node.version == version
end
end