Fixed problem where tag lengths were generating a 422 error with no message. They...

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

diff --git a/app/models/way.rb b/app/models/way.rb
index 64b3991336c7d9bf21664f4c0979405550a805ab..92d8f735a6e83cebb0561d50c7000955d7201c4f 100644 (file)
--- a/app/models/way.rb
+++ b/app/models/way.rb
@@ -191,6 +191,11 @@ class Way < ActiveRecord::Base
     # in the hash to be overwritten.
     raise OSM::APIDuplicateTagsError.new("way", self.id, k) if @tags.include? k
 
+    # check tag size here, as we don't create a WayTag object until
+    # just before we save...
+    raise OSM::APIBadUserInput.new("Way #{self.id} has a tag with too long a key, '#{k}'.") if k.length > 255
+    raise OSM::APIBadUserInput.new("Way #{self.id} has a tag with too long a value, '#{k}'='#{v}'.") if v.length > 255
+
     @tags[k] = v
   end
 
@@ -235,7 +240,7 @@ class Way < ActiveRecord::Base
     self.nds.each do |n|
       node = Node.find(:first, :conditions => ["id = ?", n])
       unless node and node.visible
-        raise OSM::APIPreconditionFailedError.new("The node with id #{n} either does not exist, or is not visible")
+        raise OSM::APIPreconditionFailedError.new("Way #{self.id} requires the node with id #{n}, which either does not exist, or is not visible.")
       end
     end
     return true
@@ -251,18 +256,17 @@ class Way < ActiveRecord::Base
     # shouldn't be possible to get race conditions.
     Way.transaction do
       check_consistency(self, new_way, user)
-      if RelationMember.find(:first, :joins => :relation,
+      rel = RelationMember.find(:first, :joins => :relation,
                              :conditions => [ "visible = ? AND member_type='Way' and member_id=? ", true, self.id])
-        raise OSM::APIPreconditionFailedError.new("You need to make sure that the way with id: #{self.id} is not a member of a relation.")
-      else
-        self.changeset_id = new_way.changeset_id
-        self.changeset = new_way.changeset
-
-        self.tags = []
-        self.nds = []
-        self.visible = false
-        save_with_history!
-      end
+      raise OSM::APIPreconditionFailedError.new("Way #{self.id} still used by relation #{rel.relation.id}.") if rel
+      
+      self.changeset_id = new_way.changeset_id
+      self.changeset = new_way.changeset
+
+      self.tags = []
+      self.nds = []
+      self.visible = false
+      save_with_history!
     end
   end