Class: Objective::Filters::HashFilter

Inherits:
Objective::Filter show all
Defined in:
lib/objective/filters/hash_filter.rb

Instance Attribute Summary

Attributes inherited from Objective::Filter

#key, #sub_filters

Instance Method Summary collapse

Methods inherited from Objective::Filter

#default, #default?, #dup, #feed_empty, #feed_invalid, #feed_nil, #feed_none, #feed_result, filter_name, #handle_errors, inherited, #initialize, #options, #sub_filters_hash, #type_specific_options_hash, #validate

Constructor Details

This class inherits a constructor from Objective::Filter

Instance Method Details

#coerce(raw) ⇒ Object 



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# File 'lib/objective/filters/hash_filter.rb', line 33

def coerce(raw)
  raw.try(:with_indifferent_access)
end

#coerce_error(coerced) ⇒ Object 



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# File 'lib/objective/filters/hash_filter.rb', line 37

def coerce_error(coerced)
  return :hash unless coerced.is_a?(Hash)
end

#feed(raw) ⇒ Object 



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# File 'lib/objective/filters/hash_filter.rb', line 5

def feed(raw)
  result = super(raw)
  return result if result == Objective::DISCARD || result.errors || result.inputs.nil?

  errors = Objective::Errors::ErrorHash.new
  inputs = HashWithIndifferentAccess.new

  data = result.coerced
  sub_filters_hash.each_pair do |key, key_filter|
    datum = data.key?(key) ? data[key] : Objective::NONE
    key_filter_result = key_filter.feed(datum)
    next if key_filter_result == Objective::DISCARD

    sub_data = key_filter_result.inputs
    sub_error = key_filter_result.errors

    if sub_error.nil?
      inputs[key] = sub_data
    else
      errors[key] = key_filter.handle_errors(sub_error)
    end
  end

  result.inputs = inputs
  result.errors = errors.present? ? errors : nil
  result
end