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Filter to exclude a related entities instances

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  • tanya
    replied
    As I understand, you want, SIM has only one FORMREGO
    than you need a hook for SIM and checking looks like this
    Code:
    $regoformId = $entity->get('fORMREGOId')
    if ($regoformId) {
       throw \Error('This SIM is used in other FORMREGO');
    }
    (https://github.com/php-fig/fig-stand...ng-standard.md)

    Leave a comment:


  • iceman17
    replied
    Hi Tanya,
    Thank you for responding.

    How do a check if the linked field is null?.
    Here are my entities and the hook I created.
    Click image for larger version

Name:	ESPOCRM- FORMREGO-HOOK-BEFORESAVE.png
Views:	340
Size:	38.8 KB
ID:	31621
    Click image for larger version

Name:	ESPOCRM- FORMREGO-fields.png
Views:	315
Size:	75.2 KB
ID:	31622Click image for larger version

Name:	ESPOCRM-SIM-fields.png
Views:	325
Size:	71.3 KB
ID:	31624
    Attached Files

    Leave a comment:


  • tanya
    replied
    Hello Samantha.

    You can create a filter for SIM where you check if registrationId is null. http://forum.espocrm.com/forum/devel...-custom-entity http://forum.espocrm.com/forum/devel...-for-drop-down
    And you can create beforeSave hook, where you check if registrationId is changed. If yes, throw an error https://www.espocrm.com/documentatio...lopment/hooks/

    Leave a comment:


  • iceman17
    started a topic Filter to exclude a related entities instances

    Filter to exclude a related entities instances


    I create two entities "Registration" and "SIM". Then set a relationship between them, One-to-Many. ie. "Registration" (1 <----------> M) "SIM"

    How can I prevent an instance of SIM to be linked to Registration a second time? for example, say if (SIM instance #1) 78880183 is linked to Registration(instance #1) then (Registration instance #2) should not be able to link (SIM instance #1) 78880183 again.

    Kind regards
    Samantha
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