Got 'undefined' parse error for service

[hb condo]

I'm trying to setup / consume a Yahoo! RESTful service that has a callback and I am running into some issues:

• Per the attached screenshot, the service test screen returns a response but is showing an error when attempting to automatically create a service response.

  

  To get around this, I manually created the Response.

  

• When invoking the service, the Success event is not triggered but the Complete event is.

  How can I setup and consume this service? Any help is appreciated. Thanks.

[Evgene Karachevtsev]

Hello,

You get no JSON but JSONP in reply. You should remove request parameter callbackand and put in the configuration Data Type=JSONP Here you may find more info:
http://devcenter.appery.io/documentat...

[hb condo]

Hi, Evgene. Thank you for your reply. If I specify JSONP as the data type, then the callback parameter value is auto-generated which the RESTful service rejects. If I create a callback request parameter, then two callback values are passed. Is there a way to have a JSONP data type and a custom callback value? For this RESTful service, the callback must equal "YAHOO.Finance.SymbolSuggest.ssCallback".

[Yurii Orishchuk]

Hello,

Yes you can invoke "YAHOO.Finance.SymbolSuggest.ssCallback" in service "success" event.

So add JS event handler on success event for your service and populate it with following code:

pre

YAHOO.Finance.SymbolSuggest.ssCallback(data);

/pre

See details on scrren shot: http://prntscr.com/42s0in/direct

Regards.

[hb condo]

Thanks for the screenshot, Yurii. I added the code but I'm not sure how to implement the actual callback function. Can you advise on the next steps on how to work with the data parameter?

[Yurii Orishchuk]

If you don't need invoke "YAHOO.Finance.SymbolSuggest.ssCallback" event handler you can work with returned data directly in the "success" event handler.

For example:

pre

//This line of code will print to the debug console. Please check it out to see what is in your "data" returned object.
condole.log(data);

alert(data);

alert(data.length);

/pre

Also if it will not help please specify what exactly you want to do.

Thanks & regards.

[hb condo]

Thank you for the quick reply. Below is how I call the service in jQuery, how can I incorporate this into Appery?
code
$.ajax({
type: "GET",
dataType: "jsonp",
jsonp: "callback",
jsonpCallback: "YAHOO.Finance.SymbolSuggest.ssCallback",
data: {
query: "msft"
},
url: "http://autoc.finance.yahoo.com/autoc"
});
/code
code
YAHOO.Finance.SymbolSuggest.ssCallback = function (data) {
alert(data.ResultSet.Result);
}
/code

[Kateryna Grynko]

Hello,

You can add this code to custom realization of Generic service: http://devcenter.appery.io/documentat...

[hb condo]

We have tried the Generic service but we are having trouble getting it to work. Could you provide guidance based on the js provided above how we would setup a generic service?

Ideally, we would like to use a REST service configuration so could you be able to answer part of my question of Is there a way to have a JSONP data type and a custom callback value?

[Yurii Orishchuk]

Hello,

Please follow the solution below:

1 Create generic service http://prntscr.com/434glf/direct.

2 Click "Add custom implementation"

3 Choose "new javascript" with name "genericService1JS". http://prntscr.com/434h6f/direct

4 Use following code in "JS" implementation:

pre

//Note replace "genericService1JS" with your value.
Appery.genericService1JS = Appery.createClass(null, {

Code: Select all

 init : function(requestOptions) { 
     this.__requestOptions = $.extend({}, requestOptions); 
 }, 

 process : function(settings) { 

     if(!self.YAHOO || !YAHOO.Finance || !YAHOO.Finance.SymbolSuggest) 
         self.YAHOO = {Finance: {SymbolSuggest: {} } }; 

     $.ajax({ 
         type: "GET", 
         dataType: "jsonp", 
         jsonp: "callback", 
         jsonpCallback: "YAHOO.Finance.SymbolSuggest.ssCallback", 
         data: { 
             query: "msft" 
         }, 
         url: "http://autoc.finance.yahoo.com/autoc" 
     }); 

     YAHOO.Finance.SymbolSuggest.ssCallback = function (data) { 
         alert(data.ResultSet.Result); 

         settings.beforeSend(settings); 

         settings.success(data.ResultSet.Result); 

         settings.complete('success'); 
     } 

 } 

});

/pre

Regards.