Decode category/tag strings before grouping in report layout

src/components/TransactionItemRow/DataCells/TagCell.tsx

@@ -8,6 +8,7 @@ import {useMemoizedLazyExpensifyIcons} from '@hooks/useLazyAsset';
 import useOnyx from '@hooks/useOnyx';
 import useThemeStyles from '@hooks/useThemeStyles';
 import {hasDependentTags} from '@libs/PolicyUtils';
+import {getDecodedTagName} from '@libs/TagUtils';
 import {getTagForDisplay} from '@libs/TransactionUtils';
 import ONYXKEYS from '@src/ONYXKEYS';
 import type TransactionDataCellProps from './TransactionDataCellProps';
@@ -32,7 +33,8 @@ function TagCell({canEdit, onSave, shouldUseNarrowLayout, shouldShowTooltip, tra
         cancelEditing();
     };
 
-    const tagForDisplay = getTagForDisplay(transactionItem);
+    // Decode HTML entities so tags stored with encoding are displayed properly (e.g. `uno & dos` display as `uno & dos`)
+    const tagForDisplay = getDecodedTagName(getTagForDisplay(transactionItem));
 
     const displayContent = shouldUseNarrowLayout ? (
         <TextWithIconCell

src/libs/PolicyUtils.ts

@@ -854,10 +854,11 @@ function getTagNamesFromTagsLists(policyTagLists: PolicyTagLists): string[] {
 }
 
 /**
- * Cleans up escaping of colons (used to create multi-level tags, e.g. "Parent: Child") in the tag name we receive from the backend
+ * Cleans up escaping of colons used to create multi-level tags (e.g. "Parent: Child"),
+ * and HTML-decodes the result so tags stored with encoded entities display correctly (e.g. `R&D`, renders as `R&D`)
  */
 function getCleanedTagName(tag: string) {
-    return tag?.replaceAll('\\:', CONST.COLON);
+    return Str.htmlDecode(tag?.replaceAll('\\:', CONST.COLON) ?? '');
 }
 
 /**

src/libs/ReportLayoutUtils.ts

@@ -4,7 +4,7 @@ import type {GroupedTransactions} from '@src/types/onyx';
 import type Report from '@src/types/onyx/Report';
 import type Transaction from '@src/types/onyx/Transaction';
 import {getDecodedCategoryName, isCategoryMissing} from './CategoryUtils';
-import {isTagMissing} from './TagUtils';
+import {getDecodedTagName, isTagMissing} from './TagUtils';
 import {getAmount, getCategory, getCurrency, getTag, isTransactionPendingDelete} from './TransactionUtils';
 
 /**
@@ -64,7 +64,7 @@ function groupTransactionsByCategory(transactions: Transaction[], report: OnyxEn
 
     for (const transaction of transactions) {
         const category = getCategory(transaction);
-        const categoryKey = isCategoryMissing(category) ? '' : category;
+        const categoryKey = isCategoryMissing(category) ? '' : getDecodedCategoryName(category);
 
         if (!groups.has(categoryKey)) {
             groups.set(categoryKey, []);
@@ -75,7 +75,7 @@ function groupTransactionsByCategory(transactions: Transaction[], report: OnyxEn
     const result: GroupedTransactions[] = [];
     for (const [categoryKey, transactionList] of groups) {
         result.push({
-            groupName: categoryKey ? getDecodedCategoryName(categoryKey) : categoryKey,
+            groupName: categoryKey,
             groupKey: categoryKey,
             transactions: transactionList,
             subTotalAmount: calculateGroupTotal(transactionList, reportCurrency),
@@ -99,7 +99,7 @@ function groupTransactionsByTag(transactions: Transaction[], report: OnyxEntry<R
 
     for (const transaction of transactions) {
         const tag = getTag(transaction);
-        const tagKey = isTagMissing(tag) ? '' : tag;
+        const tagKey = isTagMissing(tag) ? '' : getDecodedTagName(tag);
 
         if (!groups.has(tagKey)) {
             groups.set(tagKey, []);

src/libs/TagUtils.ts

@@ -1,3 +1,4 @@
+import {Str} from 'expensify-common';
 import CONST from '@src/CONST';
 
 /**
@@ -19,4 +20,12 @@ function trimTag(tag: string): string {
     return tagWithoutEscapedColons.replace(/:*$/, '').replaceAll('☢', '\\:');
 }
 
-export {isTagMissing, trimTag};
+/**
+ * HTML-decodes a tag name so values stored with different encodings are displayed correctly (e.g. `R&D` vs `R&D`)
+ * Mirrors getDecodedCategoryName in CategoryUtils.
+ */
+function getDecodedTagName(tagName: string): string {
+    return Str.htmlDecode(tagName);
+}
+
+export {isTagMissing, trimTag, getDecodedTagName};

tests/unit/ReportLayoutUtilsTest.ts

@@ -229,6 +229,21 @@ describe('groupTransactionsByCategory', () => {
         expect(travelGroup?.subTotalAmount).toBe(1000);
         expect(travelGroup?.transactions).toHaveLength(2);
     });
+
+    it('groups transactions with HTML-encoded and decoded category names into a single group', () => {
+        const report = createMockReport({currency: 'USD'});
+        const transactions = [
+            createMockTransaction({transactionID: '1', category: 'Auto (including Tolls & Parking)', amount: -1000, currency: 'USD'}),
+            createMockTransaction({transactionID: '2', category: 'Auto (including Tolls & Parking)', amount: -2000, currency: 'USD'}),
+        ];
+
+        const result = groupTransactionsByCategory(transactions, report, mockLocaleCompare);
+
+        expect(result).toHaveLength(1);
+        expect(result.at(0)?.groupKey).toBe('Auto (including Tolls & Parking)');
+        expect(result.at(0)?.transactions).toHaveLength(2);
+        expect(result.at(0)?.subTotalAmount).toBe(3000);
+    });
 });
 
 describe('groupTransactionsByTag', () => {
@@ -434,4 +449,19 @@ describe('groupTransactionsByTag', () => {
         expect(projectAGroup?.subTotalAmount).toBe(1000);
         expect(projectAGroup?.transactions).toHaveLength(2);
     });
+
+    it('groups transactions with HTML-encoded and decoded tag names into a single group', () => {
+        const report = createMockReport({currency: 'USD'});
+        const transactions = [
+            createMockTransaction({transactionID: '1', tag: 'R&D', amount: -1000, currency: 'USD'}),
+            createMockTransaction({transactionID: '2', tag: 'R&D', amount: -2000, currency: 'USD'}),
+        ];
+
+        const result = groupTransactionsByTag(transactions, report, mockLocaleCompare);
+
+        expect(result).toHaveLength(1);
+        expect(result.at(0)?.groupKey).toBe('R&D');
+        expect(result.at(0)?.transactions).toHaveLength(2);
+        expect(result.at(0)?.subTotalAmount).toBe(3000);
+    });
 });

tests/unit/TagUtilsTest.ts

@@ -1,4 +1,4 @@
-import {isTagMissing, trimTag} from '@libs/TagUtils';
+import {getDecodedTagName, isTagMissing, trimTag} from '@libs/TagUtils';
 import CONST from '@src/CONST';
 
 describe('TagUtils', () => {
@@ -68,4 +68,23 @@ describe('TagUtils', () => {
             expect(trimTag('tag\\:name\\\\::')).toBe('tag\\:name\\\\:');
         });
     });
+
+    describe('getDecodedTagName', () => {
+        it('decodes & to &', () => {
+            expect(getDecodedTagName('R&D')).toBe('R&D');
+        });
+
+        it('returns an unencoded string unchanged', () => {
+            expect(getDecodedTagName('R&D')).toBe('R&D');
+        });
+
+        it('returns an empty string when input is empty', () => {
+            expect(getDecodedTagName('')).toBe('');
+        });
+
+        it('decodes other common HTML entities', () => {
+            expect(getDecodedTagName('a &lt; b &gt; c')).toBe('a < b > c');
+            expect(getDecodedTagName('&quot;hello&quot;')).toBe('"hello"');
+        });
+    });
 });