On Monday, April 30, 2018 at 8:49:20 AM UTC-4, Walter Lee Davis wrote:
>
>
> > On Apr 30, 2018, at 5:07 AM, fugee ohu <fuge...@gmail.com <javascript:>>
> wrote:
> >
> > I've been putting options for select lists in my models but I haven't
> been able to do this with option/value pairs Anyone know how? The code
> below doesn't work
> >
> > DURATION_TYPES = [['7 days', '7' ],['14 days', '14'], ['21
> days','21'], ['30 days','30']]
> > validates :duration, inclusion: { in: DURATION_TYPES }
> >
> >
>
> When this validator runs, what is it comparing? The label or the value?
> You are passing a combination of the two into your validator and expecting
> it to guess. You could try either using a hash for the data structure, and
> being explicit about what you want it to compare:
>
> DURATION_TYPES = {'7 days' => 7, '14 days' => 14 ... }
> validates :duration, inclusion: { in: DURATION_TYPES.values }
>
> or you could extract just the second value out each pair (using your
> existing nested array):
>
> validates :duration, inclusion: { in: DURATION_TYPES.map(&:last) }
>
> Please google "Ruby symbol to Proc" to better understand how that last one
> works. If you use the first approach, then you will need to change the way
> you access the constant's values in your select list constructor.
>
> Walter
>
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> Before being able to continue with option/value pairs I actually can't get
this working in a simpler way just the options and values being the same, I
still get 'not included in the list' error In my schema, duration is a
string column
DURATION_TYPES = ['7 days', '14 days']
validates :duration, inclusion: DURATION_TYPES
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