+# == Schema Information
+#
+# Table name: nodes
+#
+# node_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, primary key
+# redaction_id :integer
+#
+# Indexes
+#
+# nodes_changeset_id_idx (changeset_id)
+# nodes_tile_idx (tile)
+# nodes_timestamp_idx (timestamp)
+#
+# Foreign Keys
+#
+# nodes_changeset_id_fkey (changeset_id => changesets.id)
+# nodes_redaction_id_fkey (redaction_id => redactions.id)
+#
+
class OldNode < ActiveRecord::Base
include GeoRecord
include ConsistencyValidations
# 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 => { :only_integer => true }
+ validates :longitude, :presence => true,
+ :numericality => { :only_integer => 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]
+ 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?
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 = {})
- el = XML::Node.new 'node'
- el['id'] = self.node_id.to_s
+ el = XML::Node.new "node"
+ el["id"] = node_id.to_s
add_metadata_to_xml_node(el, self, changeset_cache, user_display_name_cache)
- if self.visible?
- el['lat'] = self.lat.to_s
- el['lon'] = self.lon.to_s
+ if visible?
+ el["lat"] = lat.to_s
+ el["lon"] = lon.to_s
end
- add_tags_to_xml_node(el, self.old_tags)
+ add_tags_to_xml_node(el, old_tags)
- return el
+ 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
- @tags ||= Hash[self.old_tags.collect { |t| [t.k, t.v] }]
+ @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