Exception: Instapaper::Error

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

Overview

Custom error class for rescuing from all Instapaper errors

Constant Summary collapse

ClientError = 
Class.new(self)
ServerError = 
Class.new(self)
ServiceUnavailableError = 
Class.new(self)
BookmarkError = 
Class.new(self)
FolderError = 
Class.new(self)
HighlightError = 
Class.new(self)
OAuthError = 
Class.new(self)
CLIENT_ERRORS = 
{
  400 => 'Bad Request',
  401 => 'Unauthorized',
  402 => 'Payment Required',
  403 => 'Forbidden',
  404 => 'Not Found',
  405 => 'Method Not Allowed',
}
SERVER_ERRORS = 
{
  500 => 'Internal Server Error',
  501 => 'Not Implemented',
  502 => 'Bad Gateway',
  503 => 'Service Unavailable',
  504 => 'Gateway Timeout',
}
SERVICE_ERRORS = 
{
  1040 => 'Rate-limit exceeded',
  1041 => 'Premium account required',
  1042 => 'Application is suspended',
  1500 => 'Unexpected service error',
  1550 => 'Error generating text version of this URL',
}
BOOKMARK_ERRORS = 
{
  1220 => 'Domain requires full content to be supplied',
  1221 => 'Domain has opted out of Instapaper compatibility',
  1240 => 'Invalid URL specified',
  1241 => 'Invalid or missing bookmark_id',
  1242 => 'Invalid or missing folder_id',
  1243 => 'Invalid or missing progress',
  1244 => 'Invalid or missing progress_timestamp',
  1245 => 'Private bookmarks require supplied content',
  1250 => 'Unexpected error when saving bookmark',
}
FOLDER_ERRORS = 
{
  1250 => 'Invalid or missing title',
  1251 => 'User already has a folder with this title',
  1252 => 'Cannot add bookmarks to this folder',
}
HIGHLIGHT_ERRORS = 
{
  1600 => 'Cannot create highlight with empty text',
  1601 => 'Duplicate highlight',
}
CODES = 
[
  CLIENT_ERRORS,
  SERVER_ERRORS,
  SERVICE_ERRORS,
  BOOKMARK_ERRORS,
  FOLDER_ERRORS,
  HIGHLIGHT_ERRORS,
].collect(&:keys).flatten
HTTP_ERRORS = 
CLIENT_ERRORS.merge(SERVER_ERRORS)

Instance Attribute Summary collapse

Class Method Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(message = '', code = nil) ⇒ Instapaper::Error

Initializes a new Error object

Parameters:

  • message (Exception, String) (defaults to: '')
  • code (Integer) (defaults to: nil) 


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# File 'lib/instapaper/error.rb', line 110

def initialize(message = '', code = nil)
  super(message)
  @code = code
end

Instance Attribute Details

#code ⇒ Integer (readonly)

Returns:

  • (Integer) 


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# File 'lib/instapaper/error.rb', line 5

def code
  @code
end

Class Method Details

.from_response(code, path) ⇒ Instapaper::Error

Create a new error from an HTTP response

Parameters:

Returns:



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# File 'lib/instapaper/error.rb', line 78

def self.from_response(code, path)
  if (HTTP_ERRORS.keys + SERVICE_ERRORS.keys).include?(code)
    from_response_code(code)
  else
    case path
    when /highlights/ then HighlightError.new(HIGHLIGHT_ERRORS[code], code)
    when /bookmarks/ then BookmarkError.new(BOOKMARK_ERRORS[code], code)
    when /folders/ then FolderError.new(FOLDER_ERRORS[code], code)
    else new('Unknown Error', code)
    end
  end
end

.from_response_code(code) ⇒ Instapaper::Error

Create a new error from an HTTP response code

Parameters:

  • code (Integer)

Returns:



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# File 'lib/instapaper/error.rb', line 95

def self.from_response_code(code)
  if CLIENT_ERRORS.keys.include?(code)
    ClientError.new(CLIENT_ERRORS[code], code)
  elsif SERVER_ERRORS.keys.include?(code)
    ServerError.new(SERVER_ERRORS[code], code)
  elsif SERVICE_ERRORS.keys.include?(code)
    new(SERVICE_ERRORS[code], code)
  end
end