Merge remote-tracking branch 'upstream/pull/4174'

[rails.git] / app / models / old_node.rb

diff --git a/app/models/old_node.rb b/app/models/old_node.rb
index 00f46dba61e195479fb35ab5bce043c1686b8e09..077039ac33c2e13c5e0e8f702f1d0d520e2fbd9c 100644 (file)
--- a/app/models/old_node.rb
+++ b/app/models/old_node.rb
@@ -1,26 +1,55 @@
-class OldNode < ActiveRecord::Base
+# == 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 < ApplicationRecord
   include GeoRecord
   include ConsistencyValidations
-  include ObjectMetadata
 
   self.table_name = "nodes"
   self.primary_keys = "node_id", "version"
 
-  # note this needs to be included after the table name changes, or
+  # NOTE: this needs to be included after the table name changes, or
   # 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, :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"
+  belongs_to :redaction, :optional => true
+  belongs_to :current_node, :class_name => "Node", :foreign_key => "node_id", :inverse_of => :old_nodes
 
-  has_many :old_tags, :class_name => 'OldNodeTag', :foreign_key => [:node_id, :version]
+  has_many :old_tags, :class_name => "OldNodeTag", :foreign_key => [:node_id, :version], :inverse_of => :old_node
 
   def validate_position
     errors.add(:base, "Node is not in the world") unless in_world?
@@ -39,28 +68,6 @@ class OldNode < ActiveRecord::Base
     old_node
   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'] = node_id.to_s
-
-    add_metadata_to_xml_node(el, self, changeset_cache, user_display_name_cache)
-
-    if self.visible?
-      el['lat'] = lat.to_s
-      el['lon'] = lon.to_s
-    end
-
-    add_tags_to_xml_node(el, old_tags)
-
-    el
-  end
-
   def save_with_dependencies!
     save!
 
@@ -75,7 +82,7 @@ class OldNode < ActiveRecord::Base
   end
 
   def tags
-    @tags ||= Hash[old_tags.collect { |t| [t.k, t.v] }]
+    @tags ||= old_tags.to_h { |t| [t.k, t.v] }
   end
 
   attr_writer :tags
@@ -96,7 +103,7 @@ class OldNode < ActiveRecord::Base
 
   # check whether this element is the latest version - that is,
   # has the same version as its "current" counterpart.
-  def is_latest_version?
+  def latest_version?
     current_node.version == version
   end
 end