Rails instance method to edit data object

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I am trying to condense a large dataset with some rules and then return object.

What I´ve done inside a model is this:

class Network < ActiveRecord::Base
    def condense
      self.each do |row|
        #Maybe delete row
      end
      return self
    end
end

So maybe I have misunderstood but calling Network.all.condense does not work.

undefined method `condense' for #<Network::ActiveRecord_Relation

Maybe some more enlightened rails guru can help me :)

asked 31 secs ago

Jonas Ulveseth

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Rails instance method to edit data object