symfony - Get entity assert property in form view (or in form builder) to use with JS -

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i'm trying access assert information defined in entity class form

class myentity {   [...]   /*    * @assert\count(min="1", max="3")    */   protected $myfield;   [...] }

the purpose customize view. in example, display message said "you must enter between [min] , [max] items"

i var_dumped lot of variable in form_div_layout.html.twig i've tried explore formbuilder object haven't found this.

do know way achieve ?

ps: sorry poor english

edit after martin rios answer:

the goal not provide error message.

the final goal use these values construction of view.

for example, if use jquery plugin: sfprototypeman, can have "add item" link , "remove item".

if want disable "add item" link when collection reaches maximum size, need manipulate constraint property in javascript

i tried study plugin jsformvalidatorbundle didn't understood how works...

why don't validation in cookbook ?

is far more easier inside entities. , @ same time have benefit of not having entities coupled symfony.

# src/acme/blogbundle/resources/config/validation.yml acme\blogbundle\entity\myentity:     properties:         myfield:             - count:                min: 1                max: 3                minmessage: "you must specify @ least 1 item"                maxmessage: "you cannot specify more {{ limit }} items"

make sure property validating collection's (i.e. array or object implements countable)

edited after edition of chakhâl : don't need overcomplicate things, if want access somewhere keep values in parameters.yml , custom form validation afaik cannot use variable defined in parameters.yml on validation otherwise easy.

but try keep in mind, forms forms, , views different things. if want keep things simple, pass min / max values additional template array, , define in parameters.yml. if need go deeper, inject them in custom validator , have them in single place (but sounds overcomplicating things bit in personal opinion)


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