Ruby on Rails

On May 26, 2014, at 9:03 AM, Ronald Fischer wrote:

> Walter Davis wrote in post #1147113:
>> ActiveRecord already has a finder that can do all this in one line:
>> Assuming that's the only thing needed to create or find an existing
>> Dict, you should be all good there.
>
> No, it should not create one. If there is no suitable record, I want to
> display an error message to the user. Hence, find_or_create isn't
> suitable for me.
>
> BTW, I also tried
>
> Dict.find(:dictname => dict_name)
>
> but this too complained that there is a hash, which can't be converted
> to an integer.

Dict.find_by_dictname() will do that for you. If you add the bang to it, you will get a full-on error, if you don't you will get nil and no error is raised. If you are using the error to trigger your 404, then you want the bang version.

Walter

>
> Ronald
>
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