Exception: Card::Error

Inherits:
StandardError
  • Object
show all
Defined in:
lib/card/error.rb

Overview

exceptions and errors. (arguably most of these should be Card::Exception)

Direct Known Subclasses

BadAddress, BadContent, BadQuery, PermissionDenied

Defined Under Namespace

Classes: Abort, BadAddress, BadContent, BadQuery, CodenameNotFound, NotFound, PermissionDenied

Class Method Summary collapse

Class Method Details

.exception_view(card, exception) ⇒ Object

NOTE: arguably the view and status should be handled in each error class status is currently defined in the view



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# File 'lib/card/error.rb', line 58

def exception_view card, exception
  self.current = exception
  simple_exception_view(card, exception) ||
    problematic_exception_view(card, exception)
end

.problematic_exception_view(card, exception) ⇒ Object

indicates a code problem and therefore require full logging



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# File 'lib/card/error.rb', line 81

def problematic_exception_view card, exception
  card&.notable_exception_raised

  if exception.is_a? ActiveRecord::RecordInvalid
    :errors
  elsif Rails.logger.level.zero?
    # raise error loudly when not in production (could be a better test!)
    raise exception
  else
    :server_error
  end
end

.simple_exception_view(card, exception) ⇒ Object 



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# File 'lib/card/error.rb', line 64

def simple_exception_view card, exception
  # "simple" error messages are visible to end users and are generally not
  # treated as software bugs (though they may be "ruler" bugs)
  case exception
  when BadContent, BadQuery
    card.errors.add :exception, exception.message
    :errors
  when BadAddress
    :bad_address
  when PermissionDenied
    :denial
  when NotFound, ActiveRecord::RecordNotFound, ActionController::MissingFile
    :not_found
  end
end

.view_and_status(card) ⇒ Object

card view and HTTP status code associate with errors on card TODO: should prioritize certain error classes



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# File 'lib/card/error.rb', line 96

def view_and_status card
  card.errors.keys.each do |key|
    if (view_and_status = Card.error_codes[key])
      return view_and_status
    end
  end
  nil
end