Added first attempt at bounding box support in changesets and tests for the same.

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

diff --git a/app/models/node.rb b/app/models/node.rb
index 67efeca2c1a471f2e78d3bc9e6b1ef0d7b3244d5..e58a1d8969cd7d39b3dc891e632e39df63cbde01 100644 (file)
--- a/app/models/node.rb
+++ b/app/models/node.rb
@@ -112,6 +112,12 @@ class Node < ActiveRecord::Base
     return node
   end
 
+  ##
+  # the bounding box around a node
+  def bbox
+    [ longitude, latitude, longitude, latitude ]
+  end
+
   def save_with_history!
     t = Time.now
     Node.transaction do
@@ -134,6 +140,9 @@ class Node < ActiveRecord::Base
       old_node = OldNode.from_node(self)
       old_node.timestamp = t
       old_node.save_with_dependencies!
+
+      # save the changeset in case of bounding box updates
+      changeset.save!
     end
   end
 
@@ -148,6 +157,10 @@ class Node < ActiveRecord::Base
       else
         self.changeset_id = new_node.changeset_id
         self.visible = 0
+
+        # update the changeset with the deleted position
+        changeset.update_bbox!(bbox)
+
         save_with_history!
       end
     else
@@ -158,12 +171,19 @@ class Node < ActiveRecord::Base
   def update_from(new_node, user)
     check_consistency(self, new_node, user)
 
+    # update changeset with *old* position first
+    changeset.update_bbox!(bbox);
+
     # FIXME logic needs to be double checked
     self.changeset_id = new_node.changeset_id
     self.latitude = new_node.latitude 
     self.longitude = new_node.longitude
     self.tags = new_node.tags
     self.visible = true
+
+    # update changeset with *new* position
+    changeset.update_bbox!(bbox);
+
     save_with_history!
   end
   
@@ -171,6 +191,10 @@ class Node < ActiveRecord::Base
     check_create_consistency(self, user)
     self.version = 0
     self.visible = true
+
+    # update the changeset to include the new location
+    changeset.update_bbox!(bbox)
+
     save_with_history!
   end