feat: Pagination transactions

pagopa · May 7, 2024 · b12da06 · b12da06
1 parent 960d424
commit b12da06
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Showing 4 changed files with 18 additions and 3 deletions.
diff --git a/src/config.ts b/src/config.ts
@@ -173,6 +173,9 @@ const defaultConfig: IoDevServerConfig = {
     allowRandomValues: true
   },
   features: {
+    payments: {
+      numberOfTransactions: 12,
+    },
     bonus: {
       cgn: {
         isCgnEligible: true,

diff --git a/src/features/payments/persistence/transactions.ts b/src/features/payments/persistence/transactions.ts
@@ -5,6 +5,7 @@ import { TransactionListItem } from "../../../../generated/definitions/pagopa/tr
 import { TransactionDetailResponse } from "../../../../generated/definitions/pagopa/transactions/TransactionDetailResponse";
 import { TransactionInfo } from "../../../../generated/definitions/pagopa/ecommerce/TransactionInfo";
 import { generateRandomInfoTransaction } from "../utils/transactions";
+import { ioDevServerConfig } from "../../../config";
 
 type TransactionId = TransactionListItem["transactionId"];
 
@@ -78,7 +79,10 @@ const generateUserTransaction = (
 };
 
 const generateUserTransactionData = () => {
-  generateUserTransaction("1");
+  // eslint-disable-next-line functional/no-let
+  for (let i = 0; i < ioDevServerConfig.features.payments.numberOfTransactions; i = i + 1) {
+    generateUserTransaction(faker.datatype.uuid());
+  }
 };
 
 // At server startup

diff --git a/src/features/payments/routers/transactions.ts b/src/features/payments/routers/transactions.ts
@@ -4,9 +4,13 @@ import TransactionsDB from "../persistence/transactions";
 
 import { addTransactionHandler } from "./router";
 
+const CONTINUATION_TOKEN_HEADER = "x-continuation-token";
+
 addTransactionHandler("get", "/transactions", (req, res) => {
   const size = req.query.size ? Number(req.query.size) : 10;
-  const transactions = TransactionsDB.getUserTransactions().slice(0, size);
+  const offset = req.headers[CONTINUATION_TOKEN_HEADER] ? Number(req.headers[CONTINUATION_TOKEN_HEADER]) : 0;
+  const transactions = TransactionsDB.getUserTransactions().slice(offset, (offset + size));
+  const continuationTokenHeader = { [CONTINUATION_TOKEN_HEADER]: TransactionsDB.getUserTransactions().length > (offset + size) ? (offset + size) : null };
   pipe(
     transactions,
     O.fromPredicate(transactions => transactions.length > 0),
@@ -16,7 +20,7 @@ addTransactionHandler("get", "/transactions", (req, res) => {
         status: 404,
         detail: "No transactions found for the user"
       }),
-      transactions => res.status(200).json(transactions)
+      transactions => res.status(200).set(continuationTokenHeader).json(transactions)
     )
   );
 });

diff --git a/src/types/config.ts b/src/types/config.ts
@@ -187,6 +187,10 @@ export const IoDevServerConfig = t.interface({
   ]),
   features: t.intersection([
     t.interface({
+      payments: t.interface({
+        // the number of transactions to generate at the beginning
+        numberOfTransactions: t.number
+      }),
       bonus: t.interface({
         // defines the special configuration for cgn eligibility
         cgn: t.intersection([