Error Handler Service

errorhandler.service.js

// api service calling example

apiService.get()
	.then(response => {
		return response.data;
	})
	.catch(err => {
		return errorHandler(err);
	});


/// handler service pseudo code

function errorHandler() {
	var _err = {};

	function handler(err) {
		switch (err.status) {
			case '401':
				label = 'sorry! but you are unauthorized!'
				_err = {type: constant.WARNING, message: err.message}

			case '404':
				_err = {type: constant.WARNING, message: err.message}
				break;
			default:
				displayFatalDialog()
		}
	}

	function dialog(err) {
		handler(err)
		mdDialog(label)
	}

	function toast(err) {
		handler(err)
		showToast(label)
	}

	function getLabel(err) {
		handler(err)
		return label;
	}
}



const error ={
  ERROR:{color, size}
}


// my Ctrl

getSomething()
	.then(something => {
		// something
	})
	.catch(err => {
		// dialog
		errorServiceHandler.dialog(err);
	});


login()
	.then(token => {
		// token
	})
	.catch(err => {
		// dont want a dialog
		$scope.error = errorServiceHandler.getLabel(err);
	});

	<div>{{error}}<div>