missing saved? when << a collection
Reported by Robert Sköld | November 27th, 2009 @ 10:05 AM
i have two models with has n through resource to each other: Tags and Post, and shouldn't this be possible to do?
post.tags << Tags.all( :name => ["yes","no"] )
i get this error:
NoMethodError: undefined method saved?' for
#<DataMapper::Collection:0x101b35248>
from /Users/slaskis/.gem/ruby/1.8/gems/extlib-0.9.13/lib/extlib/lazy_array.rb:418:in `method_missing'
from /Users/slaskis/.gem/ruby/1.8/gems/dm-core-0.10.1/lib/dm-core/collection.rb:1348:in `method_missing'
from /Users/slaskis/.gem/ruby/1.8/gems/dm-core-0.10.1/lib/dm-core/collection.rb:1207:in `resource_added'
from /Users/slaskis/.gem/ruby/1.8/gems/dm-core-0.10.1/lib/dm-core/associations/one_to_many.rb:314:in `resource_added'
from /Users/slaskis/.gem/ruby/1.8/gems/dm-core-0.10.1/lib/dm-core/collection.rb:467:in `<<'
from (irb):6
seems to me that i should be able to add a collection to a many-association.
and i believe this is where it all breaks? http://github.com/datamapper/dm-core/blob/next/lib/dm-core/collecti...
Comments and changes to this ticket
-
Dan Kubb (dkubb) November 27th, 2009 @ 12:36 PM
- State changed from “new” to “not-applicable”
The Collection#<< method accepts a Resource (or a Hash), not another Collection. If you wanted to concatenate two collections you'd use something like:
post.tags.concat(Tag.all(:name => %w[ yes no ]))See the Collection#<< docs for more information: http://github.com/datamapper/dm-core/blob/master/lib/dm-core/collec...
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Dan Kubb (dkubb)
Robert Sköld