Fixing a bug in my foreign keys. I can now upload and download nodes and ways using...

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

diff --git a/app/models/node.rb b/app/models/node.rb
index b027f2fd49f47bfacab2e9581fa0761c676626d2..2f3001a49a8c627c571f45bd2ed2c68711026a8f 100644 (file)
--- a/app/models/node.rb
+++ b/app/models/node.rb
@@ -1,28 +1,35 @@
-class Node < GeoRecord
+class Node < ActiveRecord::Base
   require 'xml/libxml'
 
+  include GeoRecord
+
   set_table_name 'current_nodes'
   
-  validates_presence_of :user_id, :timestamp
+  validates_presence_of :changeset_id, :timestamp
   validates_inclusion_of :visible, :in => [ true, false ]
   validates_numericality_of :latitude, :longitude
   validate :validate_position
 
+  belongs_to :changeset
+
   has_many :old_nodes, :foreign_key => :id
+
   has_many :way_nodes
+  has_many :ways, :through => :way_nodes
+
   has_many :node_tags, :foreign_key => :id
-  belongs_to :user
- 
+  
+  has_many :old_way_nodes
+  has_many :ways_via_history, :class_name=> "Way", :through => :old_way_nodes, :source => :way
+
+  has_many :containing_relation_members, :class_name => "RelationMember", :as => :member
+  has_many :containing_relations, :class_name => "Relation", :through => :containing_relation_members, :source => :relation, :extend => ObjectFinder
+
+  # Sanity check the latitude and longitude and add an error if it's broken
   def validate_position
     errors.add_to_base("Node is not in the world") unless in_world?
   end
 
-  def in_world?
-    return false if self.lat < -90 or self.lat > 90
-    return false if self.lon < -180 or self.lon > 180
-    return true
-  end
-
   #
   # Search for nodes matching tags within bounding_box
   #
@@ -57,7 +64,7 @@ class Node < GeoRecord
       doc = p.parse
 
       doc.find('//osm/node').each do |pt|
-       return Node.from_xml_node(pt, create)
+        return Node.from_xml_node(pt, create)
       end
     rescue
       return nil
@@ -70,12 +77,13 @@ class Node < GeoRecord
     node.version = pt['version']
     node.lat = pt['lat'].to_f
     node.lon = pt['lon'].to_f
+    node.changeset_id = pt['changeset'].to_i
 
     return nil unless node.in_world?
 
     unless create
       if pt['id'] != '0'
-       node.id = pt['id'].to_i
+        node.id = pt['id'].to_i
       end
     end
 
@@ -85,7 +93,7 @@ class Node < GeoRecord
       node.timestamp = Time.now
     else
       if pt['timestamp']
-       node.timestamp = Time.parse(pt['timestamp'])
+        node.timestamp = Time.parse(pt['timestamp'])
       end
     end
 
@@ -109,11 +117,11 @@ class Node < GeoRecord
       tags = self.tags
       NodeTag.delete_all(['id = ?', self.id])
       tags.each do |k,v|
-       tag = NodeTag.new
-       tag.k = k 
-       tag.v = v 
-       tag.id = self.id
-       tag.save!
+        tag = NodeTag.new
+        tag.k = k 
+        tag.v = v 
+        tag.id = self.id
+        tag.save!
       end 
 
       # Create an OldNode
@@ -144,7 +152,8 @@ class Node < GeoRecord
       raise OSM::APIVersionMismatchError.new(new_node.version, version)
     end
 
-    self.user_id = user.id
+    # FIXME logic need looked at
+    self.changeset_id = user.id
     self.latitude = new_node.latitude 
     self.longitude = new_node.longitude
     self.tags = new_node.tags
@@ -166,15 +175,15 @@ class Node < GeoRecord
 
     user_display_name_cache = {} if user_display_name_cache.nil?
 
-    if user_display_name_cache and user_display_name_cache.key?(self.user_id)
+    if user_display_name_cache and user_display_name_cache.key?(self.changeset.user_id)
       # use the cache if available
-    elsif self.user.data_public?
-      user_display_name_cache[self.user_id] = self.user.display_name
+    elsif self.changeset.user.data_public?
+      user_display_name_cache[self.changeset.user_id] = self.changeset.user.display_name
     else
-      user_display_name_cache[self.user_id] = nil
+      user_display_name_cache[self.changeset.user_id] = nil
     end
 
-    el1['user'] = user_display_name_cache[self.user_id] unless user_display_name_cache[self.user_id].nil?
+    el1['user'] = user_display_name_cache[self.changeset.user_id] unless user_display_name_cache[self.changeset.user_id].nil?
 
     self.tags.each do |k,v|
       el2 = XML::Node.new('tag')
@@ -212,6 +221,4 @@ class Node < GeoRecord
     @tags[k] = v
   end
 
-
-
 end