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  • Dec 13 15:58
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  • Dec 11 08:31

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  • Dec 10 23:46
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Piotr Solnica
@solnic
NAMING
;(
otoh it should be private
we want access to successes and failures
@timriley btw how does successes sound?
Tim Riley
@timriley
Sounds fine to me.
Piotr Solnica
@solnic
ok :)
Tim Riley
@timriley
It’s clear.
Piotr Solnica
@solnic
I’m about to break things /cc @timriley @kwando
timriley @timriley stops upgrading ;)
Piotr Solnica
@solnic
schema.messages(input) => schema.(input).messages
YOU CAN UPGRADE USING sed OK?!
Tim Riley
@timriley
oh, this is a nice upgrade!
Piotr Solnica
@solnic
almost there with refactor
Piotr Solnica
@solnic
so, for fun, I stubbed I18n in AM::V and ran the benchmark
Calculating -------------------------------------
ActiveModel::Validations
                       628.000  i/100ms
      dry-validation     1.948k i/100ms
-------------------------------------------------
ActiveModel::Validations
                          5.933k (± 1.5%) i/s -     30.144k
      dry-validation     20.386k (± 7.6%) i/s -    103.244k

Comparison:
      dry-validation:    20385.8 i/s
ActiveModel::Validations:     5932.6 i/s - 3.44x slower
this is AM::V WITHOUT COERCION AND WITHOUT I18n
BUT
dry-v is WITH coercion and WITH message compilation
and it’s ~3.5x faster :joy:
Tim Riley
@timriley
:tada:
Piotr Solnica
@solnic
@timriley @AMHOL dryrb/dry-validation#23
as discussed with Andy we will be able to configure error compiler per schema, so ie you can set up a schema with I18n-compatible compiler and your localized errors will be used
Tim Riley
@timriley
This makes a lot of sense.
Piotr Solnica
@solnic
there’s a bit more to it, but it’s a bigger subject: validation hints :)
in the near future we’re gonna have a way to generate user-friendly representation of validation rules, even for those that were not used in the validation process
Tim Riley
@timriley
Yeah, that sounds handy!
Piotr Solnica
@solnic
so ie when you have age.int? & age.gt?(18) and it turned out to be an empty string we still need to provide meaningful info to the user
since we have access to all the rules we can simply use the same technique to produce validation hints (as I call it)
we can automatically drop type expectations, since it’s too low level IMO, and just do things like gt?(18) => “age must be greater than 18”
Tim Riley
@timriley
Wonderful :)
Piotr Solnica
@solnic
we can actually be pretty precise here, and take into consideration whether or not a value was present
so ie pattern match on input and have things like “oops, you forgot to fill in age"
or “hey, sorry but your age must be greater than 18, you gotta wait 2 years” :D
hints will be useful when there are many rules though, so we want to be smart and display only what’s relevant to the user
ie displaying ‘age can’t be blank’ and ‘age must be greater than 18’ is redundant from the user pov
I mean the former msg is redundant
since the latter implies the former
Tim Riley
@timriley
Yeah. Many of those decisions you could make programatically, but in some schemas, it may be hard to guess correctly.
Piotr Solnica
@solnic
common stuff should be simple
filled? vs more specific predicates is a good example, I think
so ie if filled? failed but we have more rules, then we’re gonna be interested in error msgs for the other rules
or I should say, validation hints, those won’t be errors since filled? failure is the only error when a value is blank, the rest is just providing hints for the value and its constraints
actually, it’s probably a good idea to always ignore filled? failure when there are other rules, can’t think of any reason why you would want to display age cannot be blank + more info about other rules
Tim Riley
@timriley
Yeah.
Filip Bartuzi
@Bartuz
hello
Piotr Solnica
@solnic
hey ho
Filip Bartuzi
@Bartuz
have you already started working on i18n support? Is there dedicated branch for that?
Piotr Solnica
@solnic
not yet
Filip Bartuzi
@Bartuz
Ok, great. I would like to contribute