X-Git-Url: https://git.openstreetmap.org/rails.git/blobdiff_plain/fa13a11a94a96e47582483503753ced3db438f6f..3a599519eb49c2211bbb513fbbda65a05068b9e5:/app/models/relation.rb

diff --git a/app/models/relation.rb b/app/models/relation.rb
index 8078cf860..32dab6254 100644
--- a/app/models/relation.rb
+++ b/app/models/relation.rb
@@ -218,11 +218,6 @@ class Relation < ActiveRecord::Base
     # in the hash to be overwritten.
     raise OSM::APIDuplicateTagsError.new("relation", self.id, k) if @tags.include? k
 
-    # check tag size here, as we don't create a RelationTag object until
-    # just before we save...
-    raise OSM::APIBadUserInput.new("Relation #{self.id} has a tag with too long a key, '#{k}'.") if k.length > 255
-    raise OSM::APIBadUserInput.new("Relation #{self.id} has a tag with too long a value, '#{k}'='#{v}'.") if v.length > 255
-
     @tags[k] = v
   end
 
@@ -245,6 +240,7 @@ class Relation < ActiveRecord::Base
     # provide repeatable reads for the used-by checks. this means it
     # shouldn't be possible to get race conditions.
     Relation.transaction do
+      self.lock!
       check_consistency(self, new_relation, user)
       # This will check to see if this relation is used by another relation
       rel = RelationMember.find(:first, :joins => :relation, 
@@ -260,16 +256,19 @@ class Relation < ActiveRecord::Base
   end
 
   def update_from(new_relation, user)
-    check_consistency(self, new_relation, user)
-    unless new_relation.preconditions_ok?(self.members)
-      raise OSM::APIPreconditionFailedError.new("Cannot update relation #{self.id}: data or member data is invalid.")
+    Relation.transaction do
+      self.lock!
+      check_consistency(self, new_relation, user)
+      unless new_relation.preconditions_ok?(self.members)
+        raise OSM::APIPreconditionFailedError.new("Cannot update relation #{self.id}: data or member data is invalid.")
+      end
+      self.changeset_id = new_relation.changeset_id
+      self.changeset = new_relation.changeset
+      self.tags = new_relation.tags
+      self.members = new_relation.members
+      self.visible = true
+      save_with_history!
     end
-    self.changeset_id = new_relation.changeset_id
-    self.changeset = new_relation.changeset
-    self.tags = new_relation.tags
-    self.members = new_relation.members
-    self.visible = true
-    save_with_history!
   end
   
   def create_with_history(user)