Thanks for the testing Stefan, I'm going to add your suggestion to
Hobocentral :).
Warm regards,
Ignacio
El 06/01/14 10:49, Stefan Haslinger escribió:
> Hi Ignacio,
>
> yes the scope issue is fixed. Thanks!
>
> Now I found a second thing around the reordering, which could be
> mentioned in the guide:
>
> If you intruduce a uniquness check like this
>
> validates :position, numericality: true, :uniqueness => {:scope =>
> :property_group_id}
>
> so checking the order in the scope of the parent instance, you get a
> validation error on reorderung, that this position is already taken.
>
> Started POST "/admin/properties/reorder" for 127.0.0.1 at
> 2014-01-06 10:34:29 +0100
>
> Processing by Admin::PropertiesController#reorder as JS
>
> Parameters: {"render"=>"none",
> "authenticity_token"=>"cNmtsEo+hhQLGy5nqw4AYRRFWBpGJzU3ReFOQ0ss83A=",
> "property_ordering"=>["82073", "82072"]}
>
> User Load (0.1ms) SELECT `users`.* FROM `users` WHERE
> `users`.`id` = 664 LIMIT 1
>
> Property Load (0.3ms) SELECT `properties`.* FROM `properties`
> WHERE `properties`.`id` = 82073 LIMIT 1
>
> (0.1ms) BEGIN
>
> Property Exists (0.3ms) SELECT 1 AS one FROM `properties`
> WHERE (`properties`.`position` = BINARY 1 AND `properties`.`id`
> != 82073 AND `properties`.`property_group_id` = 20567) LIMIT 1
>
> PropertyGroup Load (0.3ms) SELECT `property_groups`.* FROM
> `property_groups` WHERE `property_groups`.`id` = 20567 ORDER BY
> property_groups.position ASC LIMIT 1
>
> (0.1ms) ROLLBACK
>
> Completed 422 Unprocessable Entity in 17ms
>
>
> ActiveRecord::RecordInvalid - Gültigkeitsprüfung ist
> fehlgeschlagen: *Reihung ist bereits vergeben*:
>
> activerecord (4.0.2) lib/active_record/validations.rb:57:in
> `save!'
>
> activerecord (4.0.2)
> lib/active_record/attribute_methods/dirty.rb:41:in `save!'
>
> activerecord (4.0.2) lib/active_record/transactions.rb:275:in
> `block in save!'
>
>
>
> The validation is done against the position value in the database and
> not between the element of the parameters sent.
> So in short: don't validare uniqueness, if you want to reorder.
> (Even in the edit form you had to enter a new set of position integers,
> so this has nothing to do with the ajax part itself, it is just how
> Rails handles this kind of validations.)
>
> Greetings,
> Stefan
>
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--
Ignacio Huerta Arteche
http://www.ihuerta.net
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