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adopted-ember-addons / ember-cp-validations

Ember computed property based validations

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Multiple conditionally required fields validation

nicpalard opened this issue · comments

commented

Environment

  • Ember Version: 3.4.4
  • Ember CLI Version: 3.4.4
  • Ember CP Validations Version: 4.0.0-beta.10

I have done several simple validations that are working perfectly but now I need to perform a more complex validation over 3 conditionally required fields with the following logic:

I have 3 fields that are conditionally required based on each others value:

  • Field A (a belongsTo field) is optional but should be specified if field B is empty
  • Field B (a belongsTo field) is also optional but should be specified alongside field C if field A is empty
  • Field C (a string attribute) is optional but should be specified when field B is specified.

In other words one should specify A or (B and C).
Also: A and B and C is not valid

I can not seem to find any example for my use case. I have read about custom validators but I can't seem to make it work for that particular logic.
With custom validation I can partially achieve what I want to but how can I trigger the others field to be validated when a specific field changes ?