Excluded User Still Sees “Your Split” Label in Split Expense UI

src/libs/TransactionPreviewUtils.ts

@@ -5,6 +5,7 @@ import type {TranslationPaths} from '@src/languages/types';
 import ROUTES from '@src/ROUTES';
 import type * as OnyxTypes from '@src/types/onyx';
 import {isEmptyObject} from '@src/types/utils/EmptyObject';
+import {getCurrentUserAccountID} from './actions/Report';
 import {abandonReviewDuplicateTransactions, setReviewDuplicatesKey} from './actions/Transaction';
 import {convertToDisplayString} from './CurrencyUtils';
 import DateUtils from './DateUtils';
@@ -324,8 +325,8 @@ function createTransactionPreviewConditionals({
 
     // When there are no settled transactions in duplicates, show the "Keep this one" button
     const shouldShowKeepButton = areThereDuplicates;
-    const shouldShowSplitShare = isBillSplit && !!requestAmount && requestAmount > 0;
-
+    const participantAccountIDs = isMoneyRequestAction(action) && isBillSplit ? (getOriginalMessage(action)?.participantAccountIDs ?? []) : [];
+    const shouldShowSplitShare = isBillSplit && !!requestAmount && requestAmount > 0 && participantAccountIDs.includes(getCurrentUserAccountID());
     /*
  Show the merchant for IOUs and expenses only if:
  - the merchant is not empty, is custom, or is not related to scanning smartscan;

tests/unit/TransactionPreviewUtils.test.ts

@@ -175,6 +175,13 @@ describe('TransactionPreviewUtils', () => {
     });
 
     describe('createTransactionPreviewConditionals', () => {
+        beforeAll(() => {
+            Onyx.merge(ONYXKEYS.SESSION, {accountID: 999});
+        });
+        afterAll(() => {
+            Onyx.clear([ONYXKEYS.SESSION]);
+        });
+
         it('should determine RBR visibility according to violation and hold conditions', () => {
             const functionArgs = {
                 ...basicProps,
@@ -203,6 +210,15 @@ describe('TransactionPreviewUtils', () => {
                 transactionDetails: {
                     amount: 1,
                 },
+                action: {
+                    ...basicProps.action,
+                    originalMessage: {
+                        participantAccountIDs: [999],
+                        amount: 100,
+                        currency: 'USD',
+                        type: CONST.REPORT.ACTIONS.TYPE.IOU,
+                    },
+                },
             };
             const result = createTransactionPreviewConditionals(functionArgs);
             expect(result.shouldShowSplitShare).toBeTruthy();
@@ -256,6 +272,35 @@ describe('TransactionPreviewUtils', () => {
             const result = createTransactionPreviewConditionals(functionArgs);
             expect(result.shouldShowDescription).toBeTruthy();
         });
+
+        it('should show split share only if user is part of the split bill transaction', () => {
+            const functionArgs = {
+                ...basicProps,
+                isBillSplit: true,
+                transactionDetails: {amount: 100},
+                action: {
+                    ...basicProps.action,
+                    originalMessage: {
+                        participantAccountIDs: [999],
+                        amount: 100,
+                        currency: 'USD',
+                        type: CONST.REPORT.ACTIONS.TYPE.IOU,
+                    },
+                },
+            };
+            const result = createTransactionPreviewConditionals(functionArgs);
+            expect(result.shouldShowSplitShare).toBeTruthy();
+        });
+
+        it('should not show split share if user is not a participant', () => {
+            const functionArgs = {
+                ...basicProps,
+                isBillSplit: true,
+                transactionDetails: {amount: 100},
+            };
+            const result = createTransactionPreviewConditionals(functionArgs);
+            expect(result.shouldShowSplitShare).toBeFalsy();
+        });
     });
 
     describe('getViolationTranslatePath', () => {