Filter out nodes which are too far away

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

diff --git a/app/models/old_node.rb b/app/models/old_node.rb
index 2b18b819e896656e58a2ac5bbebef8a193685900..90304acae4c1f9dadbaceaecc37475703648cbdd 100644 (file)
--- a/app/models/old_node.rb
+++ b/app/models/old_node.rb
@@ -1,7 +1,30 @@
 class OldNode < ActiveRecord::Base
 class OldNode < ActiveRecord::Base

-  set_table_name 'nodes'
+  include GeoRecord
+  include ConsistencyValidations
+  include ObjectMetadata

 
 

-  belongs_to :user
+  self.table_name = "nodes"
+  self.primary_keys = "node_id", "version"
+
+  # 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
+  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

 
   def self.from_node(node)
     old_node = OldNode.new
 
   def self.from_node(node)
     old_node = OldNode.new


@@ -10,9 +33,77 @@ class OldNode < ActiveRecord::Base
     old_node.visible = node.visible
     old_node.tags = node.tags
     old_node.timestamp = node.timestamp
     old_node.visible = node.visible
     old_node.tags = node.tags
     old_node.timestamp = node.timestamp

-    old_node.user_id = node.user_id
-    old_node.id = node.id
+    old_node.changeset_id = node.changeset_id
+    old_node.node_id = node.id
+    old_node.version = node.version

     return old_node
   end
     return old_node
   end

+  
+  def to_xml
+    doc = OSM::API.new.get_xml_doc
+    doc.root << to_xml_node()
+    return doc
+  end
+
+  def to_xml_node(changeset_cache = {}, user_display_name_cache = {})
+    el = XML::Node.new 'node'
+    el['id'] = self.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
+    end
+
+    add_tags_to_xml_node(el, self.old_tags)

 
 

+    return 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|
+      tag = OldNodeTag.new
+      tag.k = k
+      tag.v = v
+      tag.node_id = self.node_id
+      tag.version = self.version
+      tag.save!
+    end
+  end
+
+  def tags
+    @tags ||= Hash[self.old_tags.collect { |t| [t.k, t.v] }]
+  end
+
+  def tags=(t)
+    @tags = t 
+  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 
+
+  # 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
+  end

 end
 end