CODEWITHSUNDEEP
ruby-on-rails
Khundawg
Khundawg

Reputation: 17

How to check a model's attribute's value?

Hey and thanks for taking a sec to check out my question. Rails newb here and this should be easy but I have worked myself into total confusion.

I am trying to check if a boolean attribute of my model is set to false and if so, update it to true. Here is what I have now:

if @subscriber[ is_active: false ]

   @subscriber.update(is_active: true) 

   render 'exists_add'
end

I know this has to be a silly question but for some reason I cannot find a good answer in the docs or through Google.

Upvotes: 0

Views: 561

Answers (2)

Kirti Thorat
Kirti Thorat

Reputation: 53018

Assuming that you have a Subscriber model with attribute is_active.

Then, you could do this:

unless @subscriber.is_active    
   @subscriber.update(is_active: true)    
   render 'exists_add'
end

Provided you have set @subscriber and it points to a record in subscribers table.

Upvotes: 0

Mohamad
Mohamad

Reputation: 35349

Rails adds predicate methods to all your models attributes. So you can do this to any attribute. model.attribute_name?. Notice the question mark in the end. The same is also true for boolean methods. So you should be able to just do the following.

@subscriber.is_active?

Using your example:

@subscriber.update(is_active: true) unless @subscriber.is_active?

Upvotes: 1

Related Questions