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# ❓questions
  • u
    Are there any docs about how to implement Vue logic to a Custom CMS page? https://twill.io/docs/#custom-cms-pages I see the last section mentioning the possibility to use Vue components but how can I attach methods like data(), methods, etc
    p
    • 1
    • 9
  • a
    Hello, Does twill support a callback function for the update of a post? So when I update the post, I can create a file for instance or add other data to the database.
  • c
    By default on create or update Twill will fire an event 'cms-module.saved' - but it wouldn't be easy to tell whether the module had been created or updated (or even which module had triggered it
  • c
    your best bet would be to create a trait which you would use in the repository and then you can hook into the save/update process by creating methods with specific method names (e.g. 
    afterSaveHandle{{yourTraitName}}
    )
  • c
    if you have a browse of the methods in the base Twill ModuleRepository you'll see what methods you can 'hook' into
  • a
    Inside the ModuleController.php should I also add the trait itself? But if yes, what if I update twill?
  • p
    @User In 
    afterSave...()
    , you can also differentiate between created and updated items with 
    wasRecentlyCreated
    :
    Copy code
    public function afterSaveHandleFormTemplates($object, $fields)
    {
        if ($object->wasRecentlyCreated) {
            // this is a create request
        } else {
            // this is an update request
        }
    }
  • i
    @aleksdish what @chrispymm describes doesn't happen in twill sources, it would be in your project. In your case, in PostRepository. Creating a trait would be if you want to reuse the code across multiple modules.
  • i
    Copy code
    public function afterSave($object, $fields) {
    // $object is your post
    // Create your file here
    parent::afterSave($object, $fields);
}
  • p
    custom-pages-vue-components
  • p
    map-field-structured-data
  • a
    Hello, Is there any possibility for the browser field to get the name of the module? Or identify which module was used in the code?
  • i
    Hi @aleksdish at which point to you want to do this? When pulling the data from the model/block?
  • a
    Yes, exactly.
  • i
    how are you pulling the data? If you're getting a collection of models, the model class itself is the singular version of the module name
  • a
    I use this form field and was thinking of getting the name of the module used. @formField('browser', [ 'modules' => $modules, 'label' => 'Linked Page', 'max' => 1, 'name' => 'browser' ])
  • a
    And thought to use a variable in the name which is the name of the module selected.
  • a
    And not sure if you mean I get the name of the module used inside the module itself which was used??
  • i
    ok we're not talking about the same thing it seems. Are you asking how to dynamically set your 
    modules
    variable ?
  • a
    No I already did it. I am asking how to set the name, which I put a static name 'browser', to get the name of the module itself. So when I get the data, I know which module it was.
  • a
    @formField('browser', [ 'modules' => $modules, 'label' => 'Linked Page', 'max' => 1, 'name' => $dynamicallyNameTheSelectedModuleHere ])
  • a
    Like this.
  • i
    in the frontend you're going to pull the attached records using 
    $object->getRelated('browser')
    which will return a collection of models or a single model, I'm not sure why you want to use a name that depends on the module selected.
  • i
    Can you explain the use case you're trying to achieve by doing this?
  • a
    I want to insert the module used in the database as a name so I know if I picked a post or page.
  • a
    Because it doesn't show me the name of the module used
  • i
    what doesnt show you anything?
  • i
    when you have a model in a variable you can check if it's a page or a post, why do you need to save that in db in a separate column?
  • a
    Ok, but which variable you mean?
  • a
    $modules?
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