CODEWITHSUNDEEP
ruby-on-railsruby
linkyndy
linkyndy

Reputation: 17910

Always apply scopes computed for a complex scenario when retrieving objects in Rails

I have several scopes that need to be applied for a complex scenario. But currently, I "store" this scenario in a method:

def search param1, param2
  results = Model.all
  if param1 == ...
    results = results.scope1
  else
    results = results.scope2
  end
  ...and so on...
end

However, I would like to define this complex scenario directly on the model, so that when I do Model.all or Model.where or whatever, these scopes should be automatically added.

But somehow, I also need to tweak the scenario with some parameters from the outside (see param1 and param2 from above).

How can I achieve this? If it is not possible, what's the best of adding complex filtering on a model when searching for results?

Upvotes: 0

Views: 36

Answers (1)

Andrius Buivydas
Andrius Buivydas

Reputation: 271

You can create a scope that takes arguments:

scope :search, ->(param1, param2) {
  if param1 == ...
    scope1
  else
    scope2
  end
  ...and so on...
}

Than you can write Model.search(param1, param2).scopex....

Upvotes: 1

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