more diary entry tests, and a minor fix to the relation member that makes the code...

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

diff --git a/app/models/way.rb b/app/models/way.rb
index b413ccb280d24c4e56fdb287b4b57a3029298ed0..7c29a44b379857574a7327a6b2f458099916bf9a 100644 (file)
--- a/app/models/way.rb
+++ b/app/models/way.rb
@@ -101,7 +101,10 @@ class Way < ActiveRecord::Base
       user_display_name_cache[self.changeset.user_id] = nil
     end
 
-    el1['user'] = user_display_name_cache[self.changeset.user_id] unless user_display_name_cache[self.changeset.user_id].nil?
+    if not user_display_name_cache[self.changeset.user_id].nil?
+      el1['user'] = user_display_name_cache[self.changeset.user_id]
+      el1['uid'] = self.changeset.user_id.to_s
+    end
 
     # make sure nodes are output in sequence_id order
     ordered_nodes = []
@@ -113,7 +116,7 @@ class Way < ActiveRecord::Base
         end
       else
         # otherwise, manually go to the db to check things
-        if nd.node.visible? and nd.node.visible?
+        if nd.node and nd.node.visible?
           ordered_nodes[nd.sequence_id] = nd.node_id.to_s
         end
       end
@@ -179,9 +182,24 @@ class Way < ActiveRecord::Base
     @tags[k] = v
   end
 
+  ##
+  # the integer coords (i.e: unscaled) bounding box of the way, assuming
+  # straight line segments.
+  def bbox
+    lons = nodes.collect { |n| n.longitude }
+    lats = nodes.collect { |n| n.latitude }
+    [ lons.min, lats.min, lons.max, lats.max ]
+  end
+
   def save_with_history!
     t = Time.now
 
+    # update the bounding box, but don't save it as the controller knows the 
+    # lifetime of the change better. note that this has to be done both before 
+    # and after the save, so that nodes from both versions are included in the 
+    # bbox.
+    changeset.update_bbox!(bbox) unless nodes.empty?
+
     Way.transaction do
       self.version += 1
       self.timestamp = t
@@ -211,6 +229,11 @@ class Way < ActiveRecord::Base
       old_way = OldWay.from_way(self)
       old_way.timestamp = t
       old_way.save_with_dependencies!
+
+      # update and commit the bounding box, now that way nodes 
+      # have been updated and we're in a transaction.
+      changeset.update_bbox!(bbox) unless nodes.empty?
+      changeset.save!
     end
   end
 
@@ -238,6 +261,9 @@ class Way < ActiveRecord::Base
 
   def preconditions_ok?
     return false if self.nds.empty?
+    if self.nds.length > APP_CONFIG['max_number_of_way_nodes']
+      raise OSM::APITooManyWayNodesError.new(self.nds.count, APP_CONFIG['max_number_of_way_nodes'])
+    end
     self.nds.each do |n|
       node = Node.find(:first, :conditions => ["id = ?", n])
       unless node and node.visible
@@ -251,7 +277,7 @@ class Way < ActiveRecord::Base
     check_consistency(self, new_way, user)
     if self.visible
       if RelationMember.find(:first, :joins => "INNER JOIN current_relations ON current_relations.id=current_relation_members.id",
-                             :conditions => [ "visible = 1 AND member_type='way' and member_id=? ", self.id])
+                             :conditions => [ "visible = ? AND member_type='way' and member_id=? ", true, self.id])
         raise OSM::APIPreconditionFailedError
       else
         self.changeset_id = new_way.changeset_id
@@ -265,22 +291,24 @@ class Way < ActiveRecord::Base
     end
   end
 
-  # delete a way and it's nodes that aren't part of other ways, with history
+  # delete a way and its nodes that aren't part of other ways, with history
 
   # FIXME: merge the potlatch code to delete the relations
-  def delete_with_relations_and_nodes_and_history(user)
+  #        and refactor to use delete_with_history!
+  def delete_with_relations_and_nodes_and_history(changeset_id)
     # delete the nodes not used by other ways
     self.unshared_node_ids.each do |node_id|
       n = Node.find(node_id)
-      n.user_id = user.id
+      n.changeset_id = changeset_id
       n.visible = false
       n.save_with_history!
     end
     
-    # FIXME needs more information passed in so that the changeset can be updated
-    self.user_id = user.id
-
-    self.delete_with_history(user)
+    self.changeset_id = changeset_id
+    self.tags = []
+    self.nds = []
+    self.visible = false
+    self.save_with_history!
   end
 
   # Find nodes that belong to this way only