Code

  /*
    * Calls the LINE Pay API and "reserves" a payment transaction
    * It wil also redirect to the LINE Pay screen
    * */
    async Reserve(userProfile)
    {
        console.log("");
        console.log("linepaymodule.Reserve");

        /*
        * These are the URLs that need to be put into a webview
        * These will be the URLs the app will redirect to when the user
        * either confirms or cancels the payment at the LINE Pay service
        * */

        let queryString = this.PrepareQueryString(userProfile);

        //Change to LIFF URL here
        //confirmURL = 'line://app/1595088973-yBZmjZ6M' + "?" + queryString;
        let confirmURL = process.env.BASE_URL + "/linepay_service/confirm";
        let cancelURL = process.env.BASE_URL + "/linepay_service/cancel";
        confirmURL = confirmURL + "?" + queryString;
        cancelURL = cancelURL + "?" + queryString;

        let sqlvariables = [
            userProfile.botID,
            userProfile.userID,
            userProfile.language
        ];

        try
        {
            /*
* Get the cart contents from the database
* It should be a specialized JSON, as LINE Pay has a specific JSON style to follow
* */
            let returnedValue = await dbModule.useDBFunction(dbModule.SQLStrings.view_cart, sqlvariables);
            console.log(JSON.stringify(returnedValue));

            //For debugging purposes, this will be the JSON returned for now
            let jsonReturned = {
                "amount" : 100,
                "currency" : "USD",
                "orderId" : "MKSI_S_20180904_1000001",
                "packages" : [
                    {
                        "id" : "1",
                        "amount": 100,
                        "products" : [
                            {
                                "name" : "Pen Brown",
                                "quantity" : 2,
                                "price" : 50
                            }
                        ]
                    }
                ],
                "redirectUrls" : {
                    "confirmUrl" : confirmURL,
                    "cancelUrl" : cancelURL
                }
            };
            jsonReturned.redirectUrls.confirmUrl = confirmURL;
            jsonReturned.redirectUrls.confirmUrl = cancelURL;

            //To skip CaptureAPI
            jsonReturned.options.payment.capture = true;

            let apiResponse = await sendClassObj.LinePay_Reserve(jsonReturned);
            console.log("API Response: ", apiResponse);

            //Save Transaction ID into database
            let jsonObject = await dbModule.useDBFunction(dbModule.SQLStrings.view_cart, sqlvariables);

            //Display the cards with the API Response content

            // let apiResponse = {
            //     webURL: body.info.paymentUrl.web,
            //     appURL: body.info.paymentUrl.app,
            //     transactionID: body.info.transactionId,
            //     paymentAccessToken: body.info.paymentAccessToken
            // };

            let urlObject = {
                buildurl: apiResponse.webURL
            };

            jsonObject.urlObject = urlObject;

            //let messageType = this._FixMessageType(jsonObject);
            //displayModule.displayBuilder(userProfile, jsonObject, messageType);

            //FOR DEBUGGING
            //Maybe get this JSON from the database? For better customization?
            let json = {
                "type": "bubble",
                "styles": {
                    "body": {
                        "backgroundColor": "#FFFFFF"
                    },
                    "footer": {
                        "backgroundColor": "#FFFFFF",
                        "separator": true,
                        "separatorColor": "#000000"
                    }
                },
                "body": {
                    "type": "box",
                    "layout": "vertical",
                    "contents": [
                        {
                            "type": "text",
                            "text": "Payment",
                            "weight": "bold",
                            "color": "#000000",
                            "wrap": true,
                            "size": "md"
                        },
                        {
                            "type": "text",
                            "text": "Please press the button to complete proceed.",
                            "color": "#000000",
                            "wrap": true,
                            "size": "sm"
                        },
                        {
                            "type": "spacer",
                            "size": "xl"
                        }
                    ]
                },
                "footer": {
                    "type": "box",
                    "layout": "vertical",
                    "spacing": "sm",
                    "contents": [
                        {
                            "type": "button",
                            "style": "primary",
                            "action": {
                                "type": "uri",
                                "label": "LINE Pay",
                                "uri": apiResponse.webURL
                            }
                        }
                    ]
                }
            };

            displayModule.sendRawJSON(userProfile, json);
        }
        catch (err)
        {
            console.log("");
            console.log("linepaymodule.Reserve ERROR!");
            console.log(err);
            this.DisplayErrorMessage(userProfile, "linepaymodule.Reserve", err);
        }
    }