CODEWITHSUNDEEP
ruby-on-rails
Dimitri de Ruiter
Dimitri de Ruiter

Reputation: 745

Rails - how to store collections for forms

How can I best work with collections for input in forms? I re-use them in several forms. i.e. where to store and how to use in a DRY way?

Examples

Thanks for helping out.

Upvotes: 0

Views: 41

Answers (1)

Uzbekjon
Uzbekjon

Reputation: 11813

Basically, you want to share data among your views? The simplest solution would be to define helper methods in ApplicationHelper.

module ApplicationHelper
  def languages
    [:NL, :EN]
  end

  def document_annotations(sender_id, document_type_id)
    Annotation.order(:name).where(:sender => sender_id, :documenttype => document_type_id)
  end
end

On the other note, it seems like your array might logically belong to one of your classes in your domain. If there is a class that can it belongs to then use constants:

class SomeModelProbably
    LANGS = [:NL, :EN]
end

# Then access it like this:
SomeModelProbably::LANGS

Also, that Annotation filtering would probably be better rewritten as a scope:

class Annotation
  scope :by_sender_and_doc_type, ->(doc) { order(:name).where(:sender => doc.sender_id, :documenttype => doc.document_type_id) }
end

# Then access it like this:
Annotation.by_sender_and_doc_type(@document)

Upvotes: 1

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