Module: Effective::Resources::Instance

Included in:
Effective::Resource
Defined in:
app/models/effective/resources/instance.rb

Instance Attribute Summary collapse

Instance Method Summary collapse

Instance Attribute Details

#instance ⇒ Object

This is written for use by effective_logging and effective_trash



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# File 'app/models/effective/resources/instance.rb', line 8

def instance
  @instance
end

Instance Method Details

#instance_attributes(include_associated: true, include_nested: true) ⇒ Object

called by effective_trash and effective_logging



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# File 'app/models/effective/resources/instance.rb', line 13

def instance_attributes(include_associated: true, include_nested: true)
  return {} unless instance.present?

  attributes = { attributes: instance.attributes }

  # Collect to_s representations of all belongs_to associations
  if include_associated
    belong_tos.each do |association|
      attributes[association.name] = instance.send(association.name).to_s
    end
  end

  if include_associated || include_nested
    nested_resources.each do |association|
      attributes[association.name] ||= {}

      next if association.options[:through]

      Array(instance.send(association.name)).each_with_index do |child, index|
        resource = Effective::Resource.new(child)
        attributes[association.name][index] = resource.instance_attributes(include_associated: include_associated, include_nested: include_nested)
      end
    end
  end

  if include_associated
    has_ones.each do |association|
      attributes[association.name] = instance.send(association.name).to_s
    end

    has_manys.each do |association|
      attributes[association.name] = instance.send(association.name).map { |obj| obj.to_s }
    end

    has_and_belongs_to_manys.each do |association|
      attributes[association.name] = instance.send(association.name).map { |obj| obj.to_s }
    end
  end

  attributes.delete_if { |_, value| value.blank? }
end

#instance_changes ⇒ Object

used by effective_logging



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# File 'app/models/effective/resources/instance.rb', line 56

def instance_changes
  return {} unless (instance.present? && instance.changes.present?)

  changes = instance.changes.delete_if do |attribute, (before, after)|
    begin
      (before.kind_of?(ActiveSupport::TimeWithZone) && after.kind_of?(ActiveSupport::TimeWithZone) && before.to_i == after.to_i) ||
      (before == nil && after == false) || (before == nil && after == ''.freeze)
    rescue => e
      true
    end
  end

  # Log to_s changes on all belongs_to associations
  belong_tos.each do |association|
    if (change = changes.delete(association.foreign_key)).present?
      changes[association.name] = [(association.klass.find_by_id(change.first) if changes.first), instance.send(association.name)]
    end
  end

  changes
end