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This commit is contained in:
chamikaJ
288
worklenz-backend/src/controllers/billing-controller.ts
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288
worklenz-backend/src/controllers/billing-controller.ts
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import { IWorkLenzRequest } from "../interfaces/worklenz-request";
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import { IWorkLenzResponse } from "../interfaces/worklenz-response";
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import db from "../config/db";
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import { ServerResponse } from "../models/server-response";
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import WorklenzControllerBase from "./worklenz-controller-base";
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import HandleExceptions from "../decorators/handle-exceptions";
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import { getTeamMemberCount } from "../shared/paddle-utils";
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import { generatePayLinkRequest, updateUsers } from "../shared/paddle-requests";
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import CryptoJS from "crypto-js";
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import moment from "moment";
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import axios from "axios";
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import crypto from "crypto";
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import fs from "fs";
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import path from "path";
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import { log_error } from "../shared/utils";
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import { sendEmail } from "../shared/email";
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export default class BillingController extends WorklenzControllerBase {
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public static async getInitialCharge(count: number) {
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if (!count) throw new Error("No selected plan detected.");
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const baseRate = 4990;
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const firstTier = 15;
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const secondTierEnd = 200;
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if (count <= firstTier) {
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return baseRate;
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} else if (count <= secondTierEnd) {
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return baseRate + (count - firstTier) * 300;
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}
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return baseRate + (secondTierEnd - firstTier) * 300 + (count - secondTierEnd) * 200;
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}
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public static async getBillingMonth() {
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const startDate = moment().format("YYYYMMDD");
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const endDate = moment().add(1, "month").subtract(1, "day").format("YYYYMMDD");
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return `${startDate} - ${endDate}`;
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}
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public static async chargeInitialPayment(signature: string, data: any) {
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const config = {
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method: "post",
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maxBodyLength: Infinity,
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url: process.env.DP_URL,
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headers: {
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"Content-Type": "application/json",
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"Signature": signature,
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"x-api-key": process.env.DP_API_KEY
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},
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data
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};
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axios.request(config)
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.then((response) => {
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console.log(JSON.stringify(response.data));
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})
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.catch((error) => {
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console.log(error);
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});
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}
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public static async saveLocalTransaction(signature: string, data: any) {
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try {
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const q = `INSERT INTO transactions (status, transaction_id, transaction_status, description, date_time, reference, amount, card_number)
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VALUES ($1, $2, $3);`;
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const result = await db.query(q, []);
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} catch (error) {
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log_error(error);
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}
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}
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@HandleExceptions()
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public static async upgradeToPaidPlan(req: IWorkLenzRequest, res: IWorkLenzResponse): Promise<IWorkLenzResponse> {
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const { plan, seatCount } = req.query;
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const teamMemberData = await getTeamMemberCount(req.user?.owner_id ?? "");
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teamMemberData.user_count = seatCount as string;
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const axiosResponse = await generatePayLinkRequest(teamMemberData, plan as string, req.user?.owner_id, req.user?.id);
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return res.status(200).send(new ServerResponse(true, axiosResponse.body));
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}
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@HandleExceptions()
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public static async addMoreSeats(req: IWorkLenzRequest, res: IWorkLenzResponse): Promise<IWorkLenzResponse> {
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const { seatCount } = req.body;
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const q = `SELECT subscription_id
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FROM licensing_user_subscriptions lus
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WHERE user_id = $1;`;
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const result = await db.query(q, [req.user?.owner_id]);
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const [data] = result.rows;
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const response = await updateUsers(data.subscription_id, seatCount);
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if (!response.body.subscription_id) {
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return res.status(200).send(new ServerResponse(false, null, response.message || "Please check your subscription."));
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}
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return res.status(200).send(new ServerResponse(true, null, "Your purchase has been successfully completed!").withTitle("Done"));
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}
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@HandleExceptions()
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public static async getDirectPayObject(req: IWorkLenzRequest, res: IWorkLenzResponse): Promise<IWorkLenzResponse> {
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const { seatCount } = req.query;
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if (!seatCount) return res.status(200).send(new ServerResponse(false, null));
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const email = req.user?.email;
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const name = req.user?.name;
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const amount = await this.getInitialCharge(parseInt(seatCount as string));
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const uniqueTimestamp = moment().format("YYYYMMDDHHmmss");
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const billingMonth = await this.getBillingMonth();
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const { DP_MERCHANT_ID, DP_SECRET_KEY, DP_STAGE } = process.env;
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const payload = {
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merchant_id: DP_MERCHANT_ID,
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amount: 10,
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type: "RECURRING",
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order_id: `WORKLENZ_${email}_${uniqueTimestamp}`,
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currency: "LKR",
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return_url: null,
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response_url: null,
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first_name: name,
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last_name: null,
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phone: null,
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email,
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description: `${name} (${email})`,
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page_type: "IN_APP",
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logo: "https://app.worklenz.com/assets/icons/icon-96x96.png",
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start_date: moment().format("YYYY-MM-DD"),
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do_initial_payment: 1,
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interval: 1,
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};
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const encodePayload = CryptoJS.enc.Base64.stringify(CryptoJS.enc.Utf8.parse(JSON.stringify(payload)));
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const signature = CryptoJS.HmacSHA256(encodePayload, DP_SECRET_KEY as string);
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return res.status(200).send(new ServerResponse(true, { signature: signature.toString(CryptoJS.enc.Hex), dataString: encodePayload, stage: DP_STAGE }));
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}
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@HandleExceptions()
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public static async saveTransactionData(req: IWorkLenzRequest, res: IWorkLenzResponse): Promise<IWorkLenzResponse> {
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const { status, card, transaction, seatCount } = req.body;
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const { DP_MERCHANT_ID, DP_STAGE } = process.env;
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const email = req.user?.email;
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const amount = await this.getInitialCharge(parseInt(seatCount as string));
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const uniqueTimestamp = moment().format("YYYYMMDDHHmmss");
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const billingMonth = await this.getBillingMonth();
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const values = [
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status,
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card?.id,
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card?.number,
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card?.brand,
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card?.type,
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card?.issuer,
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card?.expiry?.year,
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card?.expiry?.month,
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card?.walletId,
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transaction?.id,
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transaction?.status,
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transaction?.amount || 0,
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transaction?.currency || null,
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transaction?.channel || null,
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transaction?.dateTime || null,
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transaction?.message || null,
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transaction?.description || null,
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req.user?.id,
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req.user?.owner_id,
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];
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const q = `INSERT INTO licensing_lkr_payments (
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status, card_id, card_number, card_brand, card_type, card_issuer,
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card_expiry_year, card_expiry_month, wallet_id,
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transaction_id, transaction_status, transaction_amount,
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transaction_currency, transaction_channel, transaction_datetime,
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transaction_message, transaction_description, user_id, owner_id
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)
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VALUES (
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$1, $2, $3, $4, $5, $6, $7, $8, $9, $10, $11, $12, $13, $14, $15, $16, $17, $18, $19
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);`;
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await db.query(q, values);
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if (transaction.status === "SUCCESS") {
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const payload = {
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"merchantId": DP_MERCHANT_ID,
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"reference": `WORKLENZ_${email}_${uniqueTimestamp}`,
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"type": "CARD_PAY",
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"cardId": card.id,
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"refCode": req.user?.id,
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amount,
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"currency": "LKR"
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};
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const dataString = Object.values(payload).join("");
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const { DP_STAGE } = process.env;
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const pemFile = DP_STAGE === "PROD" ? "src/keys/PRIVATE_KEY_PROD.pem" : `src/keys/PRIVATE_KEY_DEV.pem`;
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const privateKeyTest = fs.readFileSync(path.resolve(pemFile), "utf8");
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const sign = crypto.createSign("SHA256");
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sign.update(dataString);
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sign.end();
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const signature = sign.sign(privateKeyTest);
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const byteArray = new Uint8Array(signature);
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let byteString = "";
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for (let i = 0; i < byteArray.byteLength; i++) {
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byteString += String.fromCharCode(byteArray[i]);
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}
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const base64Signature = btoa(byteString);
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this.chargeInitialPayment(base64Signature, payload);
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}
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return res.status(200).send(new ServerResponse(true, null, "Your purchase has been successfully completed!").withTitle("Done"));
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}
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@HandleExceptions()
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public static async getCardList(req: IWorkLenzRequest, res: IWorkLenzResponse): Promise<IWorkLenzResponse> {
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const payload = {
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"merchantId": "RT02300",
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"reference": "1234",
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"type": "LIST_CARD"
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};
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const { DP_STAGE } = process.env;
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const dataString = `RT023001234LIST_CARD`;
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const pemFile = DP_STAGE === "PROD" ? "src/keys/PRIVATE_KEY_PROD.pem" : `src/keys/PRIVATE_KEY_DEV.pem`;
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const privateKeyTest = fs.readFileSync(path.resolve(pemFile), "utf8");
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const sign = crypto.createSign("SHA256");
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sign.update(dataString);
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sign.end();
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const signature = sign.sign(privateKeyTest);
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const byteArray = new Uint8Array(signature);
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let byteString = "";
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for (let i = 0; i < byteArray.byteLength; i++) {
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byteString += String.fromCharCode(byteArray[i]);
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}
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const base64Signature = btoa(byteString);
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// const signature = CryptoJS.HmacSHA256(dataString, DP_SECRET_KEY as string).toString(CryptoJS.enc.Hex);
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return res.status(200).send(new ServerResponse(true, { signature: base64Signature, dataString }));
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}
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@HandleExceptions()
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public static async contactUs(req: IWorkLenzRequest, res: IWorkLenzResponse): Promise<IWorkLenzResponse> {
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const { contactNo } = req.query;
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if (!contactNo) {
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return res.status(200).send(new ServerResponse(false, null, "Contact number is required!"));
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}
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const html = `<!DOCTYPE html>
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<html lang="en">
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<head>
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<meta charset="UTF-8">
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<meta name="viewport" content="width=device-width, initial-scale=1.0">
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<title>Worklenz Local Billing - Contact Information</title>
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</head>
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<body>
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<div>
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<h1 style="text-align: center; margin-bottom: 20px;">Worklenz Local Billing - Contact Information</h1>
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<p><strong>Name:</strong> ${req.user?.name}</p>
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<p><strong>Contact No:</strong> ${contactNo as string}</p>
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<p><strong>Email:</strong> ${req.user?.email}</p>
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</div>
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</body>
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</html>`;
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const to = [process.env.CONTACT_US_EMAIL || "chamika@ceydigital.com"];
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sendEmail({
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to,
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subject: "Worklenz - Local billing contact.",
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html
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});
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return res.status(200).send(new ServerResponse(true, null, "Your contact information has been sent successfully."));
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}
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}
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