pay.md

#.pay(product, callback)

Send a payment request, more details about Payments API can be found in the Facebook Official Payments Document

##Parameters

plugin.FacebookAgent.prototype.pay = function(product, callback){}

Name	Type	Required	Description
product	Object	Yes	The product informations as mentioned in Facebook Payments doc.
callback	Function	No	This callback will be invoked with a result code and a response object or an error message.

####product contents:

Name	Type	Required	Description
product	String	Yes	The URL of your og:product object that the user is looking to purchase.
quantity	Number	No	The amount of this item that user is looking to purchase.
quantity_min	Number	No	The minimum quantity of the item that user is able to purchase.
quantity_max	Number	No	The maximum quantity of the item that user is able to purchase.
request_id	String	No	The developer defined unique identifier for this transaction.
pricepoint_id	String	No	Used to shortcut a mobile payer directly to the mobile purchase flow at a given price point.
test_currency	String	No	This parameter can be used during debugging and testing your implementation to force the dialog to use a specific currency rather than the current user's preferred currency.

##Callback function and response object

The callback function definition is showing below, if the payment gets a response, the result code will be plugin.FacebookAgent.CODE_SUCCEED, otherwise, it will indicate the error code with an error message as the response parameter.

var callback = function (code, response) {}

Meanwhile, the response object is only available when a response is returned, here is an example:

// The response object 
{
    // TODO
}

##Example

var product = {
    product: 'https://www.cocos2d-x.org/demo/facebooktest/pay/item1.html'
};
facebook.pay(product, function(code, response){
    if (code == plugin.FacebookAgent.CODE_SUCCEED){
        if (response['status'] === 'completed')
            cc.log("Success: " + response['amount'] + response['currency']);
        else 
            cc.log("Abnormal: " + response['status'])
    } else {
        cc.log("Request send failed, error #" + code + ": " + response);
    }
});