Class: RailsCoreExtensions::Sortable

Inherits:
Object
  • Object
show all
Defined in:
lib/rails_core_extensions/sortable.rb

Instance Method Summary collapse

Constructor Details

#initialize(params, controller_name) ⇒ Sortable

params is either: SIMPLE:

model_body (where model is the model name)

SCOPED:

scope (name of the scope, e.g. category_id)
category_id (or whatever the name of scope is)
model_1_body (or whatever id of scope id)



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# File 'lib/rails_core_extensions/sortable.rb', line 10

def initialize(params, controller_name)
  @params = params.permit!.to_h.symbolize_keys
  @controller_name = controller_name
  @klass = controller_name.classify.constantize
end

Instance Method Details

#sort ⇒ Object 



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# File 'lib/rails_core_extensions/sortable.rb', line 16

def sort
  scope = @params[:scope].try(:to_sym)
  @params[scope] = nil if @params[scope].blank?

  body_key = @controller_name.singularize + (@params[scope] ? "_#{@params[scope]}" : '')
  sorted_id_list = @params["#{body_key}_body".to_sym]
  if sorted_id_list.blank?
    sorted_id_list = @params["#{scope.to_s.gsub('_id', '')}_#{@params[scope]}_body".to_sym]
  end

  collection = @klass.reorder(:position)
  collection = collection.where(@params.slice(scope)) unless scope.blank?

  sort_collection(collection.find(sorted_id_list.map(&:to_i)), sorted_id_list.map(&:to_i))
end