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Asked: 2026-05-13T06:26:53+00:00

i want to implement a digg-like vote up/down method in my rails application using

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i want to implement a digg-like vote up/down method in my rails application using ajax. and i found that link_to_remote can do just that. but i want to check whether there’s already a vote by the current user so that no user can vote up twice or more. how can i do that – how can i return values based on some condition so that an forbidden vote action triggers link_to_remote :failure condition??

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  1. Editorial Team

    You need to set the HTTP status code appropriately (not in the 200 range, you probably want 403 (forbidden, http://www.w3.org/Protocols/rfc2616/rfc2616-sec10.html) unless you handle that separately in your app — it doesn’t really matter what the code is, just that it’s not in 200 range).

    To set the status code, in your render line, you add 

    :status => 403

    It seems like you are all set for the rest of this (i.e., specifying and implementing the failure condition, etc. etc.)

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