Class: ForestLiana::HasManyDissociator

Inherits:
Object
  • Object
show all
Defined in:
app/services/forest_liana/has_many_dissociator.rb

Instance Method Summary collapse

Constructor Details

#initialize(resource, association, params) ⇒ HasManyDissociator

Returns a new instance of HasManyDissociator.



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# File 'app/services/forest_liana/has_many_dissociator.rb', line 3

def initialize(resource, association, params)
  @resource = resource
  @association = association
  @params = params
  @with_deletion = @params[:delete].to_s == 'true'
  @data = params['data']
end

Instance Method Details

#perform ⇒ Object 



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# File 'app/services/forest_liana/has_many_dissociator.rb', line 11

def perform
  @record = @resource.find(@params[:id])
  associated_records = @resource.find(@params[:id]).send(@association.name)

  remove_association = !@with_deletion || @association.macro == :has_and_belongs_to_many

  if remove_association
    if @data.is_a?(Array)
      @data.each do |record_deleted|
        associated_records.delete(@association.klass.find(record_deleted[:id]))
      end
    end
  end

  if @with_deletion
    if @data.is_a?(Array)
      record_ids = @data.map { |record| record[:id] }
      record_ids = record_ids.select { |record_id| @association.klass.exists?(record_id) }
      @association.klass.destroy(record_ids)
    end
  end
end