feat: [IOBP-652,IOBP-656] Add biz-events transaction download pdf (#382)

* feat: Add transactions biz-events definitions & apis

* chore: Renamed folder from `wallet` to `payments`

* chore: changed prefix of biz events transactions

* feat: Pagination transactions

* chore: updated biz events apis

* chore: prettify

* fix: linter

* chore: add bizevents basepath

* chore: added continuation header token

* chore: Add random cart creation

* chore: upgraded biz-events definitions

* chore: Adapted new swagger

* chore: Add calculate total

* fix: total amount calculation

* chore: transaction generation refinements

* chore: Add random date past generation

* chore: prettify

* feat: Add download biz-events transaction receipt pdf

* chore: prettify

* chore: upgrade definition openapi

* chore: prettify

Author: Hantex9

assets/payments/receipts/loremIpsum.pdf

@@ -1,6 +1,7 @@
 import * as O from "fp-ts/lib/Option";
 import { pipe } from "fp-ts/lib/function";
 import TransactionsDB from "../persistence/transactions";
+import { sendFileFromRootPath } from "../../../utils/file";
 
 import { TransactionListWrapResponse } from "../../../../generated/definitions/pagopa/transactions/TransactionListWrapResponse";
 import { addTransactionHandler } from "./router";
@@ -64,3 +65,29 @@ addTransactionHandler("get", "/transactions/:transactionId", (req, res) => {
     )
   );
 });
+
+addTransactionHandler("get", "/transactions/:transactionId/pdf", (req, res) => {
+  pipe(
+    req.params.transactionId,
+    O.fromNullable,
+    O.fold(
+      () => res.sendStatus(400),
+      transactionId => {
+        const transaction = TransactionsDB.getTransactionDetails(transactionId);
+        return pipe(
+          transaction,
+          O.fold(
+            () => res.sendStatus(404),
+            _ => {
+              sendFileFromRootPath(
+                "assets/payments/receipts/loremIpsum.pdf",
+                res
+              );
+              return res;
+            }
+          )
+        );
+      }
+    )
+  );
+});