dcumcTest/lib/errors.js

let Errors = {
	unknown: [
		'An unknown error occured on our end. Please try again later',
		500
	],
	accountAlreadyCreated: [
		'This account has already been created',
		400
	],
	categoryAlreadyExists: [
		'This category has already been created',
		400
	],
	accountDoesNotExist: [
		'This account does not exist',
		400
],
	invalidCategory: [
		'This category does not exist',
		400
	],
	invalidLoginCredentials: [
		'The username or password provided was incorrect',
		401
	],
	requestNotAuthorized: [
		'The request was not authorized',
		401
	],
	invalidToken: [
		'The token provided was not valid',
		401
	],
	noSettings: [
		'You haven\'t added any settings yet',
		500
	],
	passwordSame: [
		'You can\'t set it to the same password',
		400
	],
	cannotLikeOwnPost: [
		'You can\'t like your own post',
		400
	],
	threadLocked: [
		'You can\'t post to a locked thread',
		400
	],
	postRemoved: [
		'You can\'t reply to a removed post',
		400
	]
}

function processErrors(errorName) {
	let arr = Errors[errorName]

	temp = {}
	temp.name = errorName
	temp.message = arr[0]
	temp.status = arr[1]

	return {
		name: errorName,
		message: arr[0],
		status: arr[1]
	}
}

let ProcessedErrors = {}

for(var errorName in Errors) {
	ProcessedErrors[errorName] = processErrors(errorName)
}

ProcessedErrors.VALIDATION_ERROR = 'VALIDATION_ERROR';

ProcessedErrors.invalidParameter = function (param, message) {
	let punctuatedMessage = '';
	if(message) {
		punctuatedMessage = ': ' + message;
	}

	return {
		name: errorName,
		message: `${param} is invalid${punctuatedMessage}`,
		status: 400,
		parameter: param
	};
}

ProcessedErrors.sequelizeValidation = (sequelize, obj) => {
	return new sequelize.ValidationError(obj.error, [
		new sequelize.ValidationErrorItem(
			obj.error,
			'Validation error',
			obj.path,
			obj.value
		)
	])
}

module.exports = ProcessedErrors