ivasilov/promised-twitter

'use strict';

var _ = require("lodash");


module.exports.process = function(error) {
  if (_.isEqual(error, [{ message: 'Rate limit exceeded', code: 88 }])) {
    return new LimitExceededError();
  } else if (_.isEqual(error, [{ message: 'Sorry, that page does not exist', code: 34 }])) {
    return new DoesNotExistError(error[0]);
  } else if (_.isEqual(error, [ { message: 'Invalid or expired token.', code: 89 }])) {
    return new InvalidTokenError(error[0]);
  } else {
    return error;
  }
};


var inherits = function(SubClass, SuperClass) {
  if (SuperClass.constructor === Function) {
    // Normal Inheritance
    SubClass.prototype = new SuperClass();
    SubClass.prototype.constructor = SubClass;
    SubClass.prototype.parent = SuperClass.prototype;
  } else {
    // Pure Virtual Inheritance
    SubClass.prototype = SuperClass;
    SubClass.prototype.constructor = SubClass;
    SubClass.prototype.parent = SuperClass;
  }

  return SubClass;
};


var BaseError = function() {
  var tmp = Error.apply(this, arguments);
  tmp.name = this.name = 'TwitterBaseError';

  this.message = tmp.message;
  if (Error.captureStackTrace)
    Error.captureStackTrace(this, this.constructor);
};
inherits(BaseError, Error);


var LimitExceededError = function (parent) {
  BaseError.apply(this, ["Rate limit exceeded."]);
  this.name = 'TwitterLimitExceededError';
};
inherits(LimitExceededError, BaseError);
module.exports.LimitExceededError = LimitExceededError;


var DoesNotExistError = function (parent) {
  BaseError.apply(this, ["Sorry, that page does not exist."]);
  this.name = 'TwitterDoesNotExistError';
};
inherits(DoesNotExistError, BaseError);
module.exports.DoesNotExistError = DoesNotExistError;


var InvalidTokenError = function (parent) {
  BaseError.apply(this, ["Invalid or expired token."]);
  this.name = "TwitterInvalidTokenError";
};
inherits(InvalidTokenError, BaseError);
module.exports.InvalidTokenError = InvalidTokenError;