Merge pull request #318 from pagopa/IOBP-347-idpay-barcode-generation…

…-dev-server

[IOBP-347] addition of IDPAY barcode

src/persistence/idpay.ts

@@ -31,6 +31,10 @@ import { WalletV2 } from "../../generated/definitions/pagopa/WalletV2";
 import { ioDevServerConfig } from "../config";
 import { getRandomEnumValue } from "../payloads/utils/random";
 import { getWalletV2 } from "../routers/walletsV2";
+import {
+  StatusEnum,
+  TransactionBarCodeResponse
+} from "../../generated/definitions/idpay/TransactionBarCodeResponse";
 
 const idPayConfig = ioDevServerConfig.features.idpay;
 const { idPay: walletConfig } = ioDevServerConfig.wallet;
@@ -526,3 +530,40 @@ export const enrollCodeToInitiative = (initiativeId: string): boolean => {
 
   return true;
 };
+
+// eslint-disable-next-line functional/no-let
+let barcodeTransactions: {
+  [initiativeID: string]: TransactionBarCodeResponse;
+} = {};
+
+export const getIdPayBarcodeTransaction = (
+  initiativeId: string,
+  trxExpirationMinutes: number = 1
+): TransactionBarCodeResponse => {
+  const currentBarcode = barcodeTransactions[initiativeId];
+  if (currentBarcode === undefined) {
+    const newBarcodeTransaction: TransactionBarCodeResponse = {
+      id: ulid(),
+      trxCode: faker.random.alphaNumeric(8),
+      initiativeId,
+      status: StatusEnum.CREATED,
+      trxDate: new Date(),
+      trxExpirationMinutes
+    };
+    barcodeTransactions = {
+      ...barcodeTransactions,
+      [initiativeId]: newBarcodeTransaction
+    };
+    return newBarcodeTransaction;
+  } else {
+    const timeDiff = new Date().getTime() - currentBarcode.trxDate.getTime();
+    // trxExpirationMinutes is in minutes, timeDiff is in milliseconds
+    const isExpired = timeDiff > trxExpirationMinutes * 60 * 1000;
+    if (isExpired) {
+      // eslint-disable-next-line functional/immutable-data
+      delete barcodeTransactions[initiativeId];
+      return getIdPayBarcodeTransaction(initiativeId, trxExpirationMinutes);
+    }
+    return currentBarcode;
+  }
+};

src/routers/features/idpay/barcode.ts

@@ -0,0 +1,33 @@
+import * as O from "fp-ts/lib/Option";
+
+import { pipe } from "fp-ts/lib/function";
+import { TransactionBarCodeRequest } from "../../../../generated/definitions/idpay/TransactionBarCodeRequest";
+import { getIdPayError } from "../../../payloads/features/idpay/error";
+import { getWalletDetailResponse } from "../../../payloads/features/idpay/get-wallet-detail";
+import { getIdPayBarcodeTransaction } from "../../../persistence/idpay";
+import { addIdPayHandler } from "./router";
+
+addIdPayHandler("post", "/payment/bar-code", (req, res) =>
+  pipe(
+    TransactionBarCodeRequest.decode(req.body),
+    O.fromEither,
+    O.map(data => data.initiativeId),
+    O.fold(
+      () => res.status(400).json(getIdPayError(400)),
+      initiativeId =>
+        pipe(
+          getWalletDetailResponse(initiativeId),
+          O.fold(
+            () => res.status(404).json(getIdPayError(404)),
+            () => {
+              const barcodeTransaction = getIdPayBarcodeTransaction(
+                initiativeId,
+                2
+              );
+              return res.status(201).json(barcodeTransaction);
+            }
+          )
+        )
+    )
+  )
+);

src/routers/features/idpay/index.ts

@@ -3,5 +3,6 @@ import "./iban";
 import "./wallet";
 import "./timeline";
 import "./payment";
+import "./barcode";
 
 export { idpayRouter } from "./router";