11 Jan '18, 4am

Build your own Ruby on Rails validations and use them like the default ones #ruby #rails

Build your own Ruby on Rails validations and use them like the default ones #ruby #rails

Sometimes built in validations are not enough so we have to write our own validation rules. Because of this, our models can become fat really quick so the best idea to avoid it is to extract validation logic to separated classes. Such approach makes the code more clean, isolated and reusable. Model validations To demonstrate the process of isolating validation code let’s build a sample model class and put there simple validation rule: class User It’s a nice and clean validation rule, however, we can’t reuse it elsewhere. This is the moment when we should consider building validator class. Let’s take a look at the official documentation and find out what they said about it: The easiest way to add custom validators for validating individual attributes is with the convenient ActiveModel::EachValidator Custom validator rules Rules for building custom validator are following: 1...

Full article: http://pdabrowski.com/blog/ruby-on-rails/validations/buil...

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Build your own Ruby on Rails validations and us...

stream.rubydaily.org 11 Jan '18, 10am

Build your own Ruby on Rails validations and use them like the default ones by @pdabrowski_k1 Sometimes built in validatio...

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youtube.com 14 Jan '18, 10pm

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#TechCareers

#TechCareers

skillcrush.com 16 Jan '18, 2pm

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