Syncano-v3-error-handling.js

//this function uses callback object, containing sucess and error functions inside it
function GetOne_Callback_Object(DATA_ID) {
	//define callback object
	var callback = {};
	
	//add to id success function - will be called on succesful calls
	callback.success = function(data) {
		console.log('Get one with ID  ' + DATA_ID + ' titled: ' + data.title);
	};
	
	//add to it error function - will be called if there was an error
	callback.error = function(data) {
		console.log('Get One Fail! - ' + data);
	};
	
	//pass here the callback object, which contains both success and error functions
	syncano.Data.getOne(PROJECT_ID, COLLECTION_ID, DATA_ID, callback);
}

//this functions uses passing sucess function as callback, and error notification for error handling 
function GetOne_Notification(DATA_ID) {
	//will be called once for the next error
	syncano.once("syncano:error", function(data) {
		console.log('Get One Fail! - ' + data);
	})
	
	//pass here function object, will be called on success
	syncano.Data.getOne(PROJECT_ID, COLLECTION_ID, DATA_ID, function(data) {
		//this function body will be called only on success
		console.log('Get one with ID  ' + DATA_ID + ' titled: ' + data.title);
	});
}

//this function uses passing success function as callback, and has no error handling
function GetOne_Success(DATA_ID) {
	//pass here function object, will be called on success
	syncano.Data.getOne(PROJECT_ID, COLLECTION_ID, DATA_ID, function(data) {
		//this function body will be called only on success
		console.log('Sucess only - Get one with ID  ' + DATA_ID + ' titled: ' + data.title);
	});
}

var authData = {
	api_key: "API_KEY",
	instance: "YOUR_INSTANCE"
};

var PROJECT_ID = 1234;
var COLLECTION_ID = 1234;

syncano.connect(authData, function(auth) {
	console.log("Connected");
	GetOne_Callback_Object(1234); //not existing object ID - will use callback.error() if object not found
	GetOne_Notification(1234); //not existing object ID - will use once("syncano:error", callback()) notification if object not found
});

//global error handling
//instead of above connection method, use this one:

//register for handling all error notifications
syncano.on("syncano:error", function(data) {
	//this function will be called on every Syncano error
	console.log('Syncano Error! - ' + data);
})

syncano.connect(authData, function(auth) {
	console.log("Connected");
	GetOne_Success(1234); //not existing object ID - for error will use notification syncano.on("syncano:error", callback()) - it will be called on every error
});