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has_many :through and callbacks

Reading this a little bit earlier would have saved me a lot of time. In short: callbacks such as :before_add does not work with has_many :through, and the documentation does not tell you that. To get callbacks, add them to the join model.

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This entry was posted on Friday, April 27th, 2007 at 16:47 and is filed under Programming, Ruby. You can follow any responses to this entry through the RSS 2.0 feed. You can leave a response, or trackback from your own site.

One Response to “has_many :through and callbacks”

  1. Ross Says:
    May 29th, 2007 at 13:08

    Oh FFS! That’s at the rails docs and not you. You get a “I wish I’d read that sooner as well”.

    Thanks!

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