First version of blocking feature. Allows both time-based (for map protection) and...

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

diff --git a/app/models/changeset.rb b/app/models/changeset.rb
index fa2d556b10c00195a20d5f8670224a22475ebb7b..4efd4f9e7f755e0655d4ee89f55bfcf989e6ed62 100644 (file)
--- a/app/models/changeset.rb
+++ b/app/models/changeset.rb
@@ -89,6 +89,16 @@ class Changeset < ActiveRecord::Base
   def has_valid_bbox?
     not bbox.include? nil
   end
+  
+  ##
+  # returns area of the changset bbox as a rough comparitive quantity for use of changset displays
+  def area
+     if has_valid_bbox?
+            (max_lon - min_lon) * (max_lat - min_lat)
+     else
+            0
+     end
+  end
 
   ##
   # expand the bounding box to include the given bounding box. also, 
@@ -102,10 +112,10 @@ class Changeset < ActiveRecord::Base
 
     # FIXME - this looks nasty and violates DRY... is there any prettier 
     # way to do this? 
-    @bbox[0] = array[0] + EXPAND * (@bbox[0] - @bbox[2]) if array[0] < @bbox[0]
-    @bbox[1] = array[1] + EXPAND * (@bbox[1] - @bbox[3]) if array[1] < @bbox[1]
-    @bbox[2] = array[2] + EXPAND * (@bbox[2] - @bbox[0]) if array[2] > @bbox[2]
-    @bbox[3] = array[3] + EXPAND * (@bbox[3] - @bbox[1]) if array[3] > @bbox[3]
+    @bbox[0] = [-180 * GeoRecord::SCALE, array[0] + EXPAND * (@bbox[0] - @bbox[2])].max if array[0] < @bbox[0]
+    @bbox[1] = [ -90 * GeoRecord::SCALE, array[1] + EXPAND * (@bbox[1] - @bbox[3])].max if array[1] < @bbox[1]
+    @bbox[2] = [ 180 * GeoRecord::SCALE, array[2] + EXPAND * (@bbox[2] - @bbox[0])].min if array[2] > @bbox[2]
+    @bbox[3] = [  90 * GeoRecord::SCALE, array[3] + EXPAND * (@bbox[3] - @bbox[1])].min if array[3] > @bbox[3]
 
     # update active record. rails 2.1's dirty handling should take care of
     # whether this object needs saving or not.
@@ -144,19 +154,9 @@ class Changeset < ActiveRecord::Base
   end
 
   def save_with_tags!
-    t = Time.now.getutc
-
     # do the changeset update and the changeset tags update in the
     # same transaction to ensure consistency.
     Changeset.transaction do
-      # set the auto-close time to be one hour in the future unless
-      # that would make it more than 24h long, in which case clip to
-      # 24h, as this has been decided is a reasonable time limit.
-      if (closed_at - created_at) > (MAX_TIME_OPEN - IDLE_TIMEOUT)
-        self.closed_at = created_at + MAX_TIME_OPEN
-      else
-        self.closed_at = Time.now.getutc + IDLE_TIMEOUT
-      end
       self.save!
 
       tags = self.tags
@@ -171,6 +171,20 @@ class Changeset < ActiveRecord::Base
       end
     end
   end
+
+  ##
+  # set the auto-close time to be one hour in the future unless
+  # that would make it more than 24h long, in which case clip to
+  # 24h, as this has been decided is a reasonable time limit.
+  def before_save
+    if self.is_open?
+      if (closed_at - created_at) > (MAX_TIME_OPEN - IDLE_TIMEOUT)
+        self.closed_at = created_at + MAX_TIME_OPEN
+      else
+        self.closed_at = Time.now.getutc + IDLE_TIMEOUT
+      end
+    end
+  end
   
   def to_xml
     doc = OSM::API.new.get_xml_doc