Module: Railsful::Interceptors::Errors

Included in:
Serializer
Defined in:
lib/railsful/interceptors/errors.rb

Overview

This interceptor checks the given json object for an ‘errors’ array and checks if any errors are available.

Instance Method Summary collapse

Instance Method Details

#errors(raw_errors) ⇒ Object

Transform error output format into more “jsonapi” like.



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# File 'lib/railsful/interceptors/errors.rb', line 25

def errors(raw_errors)
  errors = []

  raw_errors.details.each do |field, array|
    errors += field_errors(field, array)
  end

  errors
end

#errors?(options) ⇒ Boolean

Checks if given renderable is an ActiveModel::Error

:reek:UtilityFunction

Returns:

  • (Boolean) 


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# File 'lib/railsful/interceptors/errors.rb', line 54

def errors?(options)
  return false unless options

  options.fetch(:json, nil).is_a?(ActiveModel::Errors)
end

#errors_options(options) ⇒ Object 



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# File 'lib/railsful/interceptors/errors.rb', line 14

def errors_options(options)
  return options unless errors?(options)

  # Fetch all the errors from the passed json value.
  errors = errors(options.fetch(:json))

  # Overwrite the json value and set the errors array.
  options.merge(json: { errors: errors })
end

#field_errors(field, array) ⇒ Object 



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# File 'lib/railsful/interceptors/errors.rb', line 35

def field_errors(field, array)
  array.map do |hash|
    formatted_error(hash, field)
  end
end

#formatted_error(hash, field) ⇒ Object

Format the error by adding additional status and field information.

:reek:UtilityFunction



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# File 'lib/railsful/interceptors/errors.rb', line 44

def formatted_error(hash, field)
  {
    status: '422',
    field: field
  }.merge(hash)
end

#render(options) ⇒ Object 



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# File 'lib/railsful/interceptors/errors.rb', line 10

def render(options)
  super(errors_options(options))
end