api06: Preliminary support for diff uploading. This will not return anything
[rails.git] / app / models / node.rb
index 5a8e03ef170ca49880524c3541f6598f47d29137..872c5c9228f941e30b0afcb87a074b2afff73001 100644 (file)
@@ -55,40 +55,43 @@ class Node < GeoRecord
       p = XML::Parser.new
       p.string = xml
       doc = p.parse
-  
-      node = Node.new
 
       doc.find('//osm/node').each do |pt|
-        node.lat = pt['lat'].to_f
-        node.lon = pt['lon'].to_f
-
-        return nil unless node.in_world?
+       return Node.from_xml_node(pt, create)
+      end
+    rescue
+      return nil
+    end
+  end
 
-        unless create
-          if pt['id'] != '0'
-            node.id = pt['id'].to_i
-          end
-        end
+  def self.from_xml_node(pt, create=false)
+    node = Node.new
 
-        node.visible = pt['visible'] and pt['visible'] == 'true'
+    node.lat = pt['lat'].to_f
+    node.lon = pt['lon'].to_f
 
-        if create
-          node.timestamp = Time.now
-        else
-          if pt['timestamp']
-            node.timestamp = Time.parse(pt['timestamp'])
-          end
-        end
+    return nil unless node.in_world?
 
-        tags = []
+    unless create
+      if pt['id'] != '0'
+       node.id = pt['id'].to_i
+      end
+    end
 
-        pt.find('tag').each do |tag|
-          node.add_tag_key_val(tag['k'],tag['v'])
-        end
+    node.visible = pt['visible'] and pt['visible'] == 'true'
 
+    if create
+      node.timestamp = Time.now
+    else
+      if pt['timestamp']
+       node.timestamp = Time.parse(pt['timestamp'])
       end
-    rescue
-      node = nil
+    end
+
+    tags = []
+
+    pt.find('tag').each do |tag|
+      node.add_tag_key_val(tag['k'],tag['v'])
     end
 
     return node
@@ -96,35 +99,27 @@ class Node < GeoRecord
 
   def save_with_history!
     t = Time.now
-
-    Node.transaction do 
-      # apply timestamp to the new node
+    Node.transaction do
+      self.version += 1
       self.timestamp = t
       self.save!
-    end
 
-    # Create a NodeTag
-    NodeTag.transaction do 
+      # Create a NodeTag
       tags = self.tags
-
       NodeTag.delete_all(['id = ?', self.id])
-
-      sequence_id = 1
       tags.each do |k,v|
-        tag = NodeTag.new
-        tag.k = k 
-        tag.v = v 
-        tag.id = self.id
-        tag.sequence_id = sequence_id
-        tag.save!
-        sequence_id += 1
+       tag = NodeTag.new
+       tag.k = k 
+       tag.v = v 
+       tag.id = self.id
+       tag.save!
       end 
-    end 
-    # Create an OldNode
-    old_node = OldNode.from_node(self)
-    old_node.timestamp = t
-    old_node.save_with_dependencies!
 
+      # Create an OldNode
+      old_node = OldNode.from_node(self)
+      old_node.timestamp = t
+      old_node.save_with_dependencies!
+    end
   end
 
   def to_xml
@@ -160,6 +155,7 @@ class Node < GeoRecord
 
     el1['visible'] = self.visible.to_s
     el1['timestamp'] = self.timestamp.xmlschema
+    el1['version'] = self.version.to_s
     return el1
   end