docs: add cashback summary changelog

Reviewed-on: #42

CHANGELOG.md

@@ -1,5 +1,11 @@
 # Changelog
 
+## [Frontend 0.11.2 / Backend 0.10.5 / Shared 0.5.1] - 2026-08-26
+
+### Added
+
+- Show cashback separately in the cash-flow summary alongside interest income.
+
 ## [Backend 0.10.3] - 2026-08-24
 
 ### Fixed

backend/package.json

@@ -1,6 +1,6 @@
 {
   "name": "@family-budget/backend",
-  "version": "0.10.3",
+  "version": "0.10.5",
   "private": true,
   "scripts": {
     "dev": "tsx watch src/app.ts",

backend/src/services/analytics.integration.test.ts

@@ -26,6 +26,10 @@ async function testQueries(): Promise<void> {
       "INSERT INTO transactions (account_id, operation_at, amount_signed, commission, description, direction, fingerprint, category_id, is_category_confirmed) VALUES ($1, '2026-07-06T12:00:00+03:00', 1_500, 0, 'Начисление процентов', 'transfer', 'analytics-test-interest', $2, TRUE)",
       [accountId, categoryId.transfer],
     );
+    await client.query(
+      "INSERT INTO transactions (account_id, operation_at, amount_signed, commission, description, direction, fingerprint, category_id, is_category_confirmed) VALUES ($1, '2026-07-06T12:00:00+03:00', 0, 200, 'Зачисление кэшбека', 'income', 'analytics-test-cashback', $2, TRUE)",
+      [accountId, categoryId.income],
+    );
     await insert(otherAccountId, '2026-07-01T12:00:00+03:00', -99_000, categoryId.expense, 'analytics-test-6');
     await insert(accountId, '2026-08-01T12:00:00+03:00', -7_000, categoryId.expense, 'analytics-test-7');
     await client.query(
@@ -35,7 +39,7 @@ async function testQueries(): Promise<void> {
 
     const params = { from: '2026-07-01', to: '2026-07-31', accountId, onlyConfirmed: true };
     const summary = await getSummary(params, client);
-    assert.deepEqual({ expense: summary.totalExpense, income: summary.totalIncome, net: summary.net, transferOut: summary.transferOutflow, interest: summary.interestIncome }, { expense: 6_000, income: 15_000, net: 9_000, transferOut: 3_000, interest: 1_500 });
+    assert.deepEqual({ expense: summary.totalExpense, income: summary.totalIncome, net: summary.net, transferOut: summary.transferOutflow, interest: summary.interestIncome, cashback: summary.cashbackIncome }, { expense: 6_000, income: 15_200, net: 9_200, transferOut: 3_000, interest: 1_500, cashback: 200 });
     const categorySummary = await getSummary({ ...params, categoryId: categoryId.expense }, client);
     assert.deepEqual({ expense: categorySummary.totalExpense, income: categorySummary.totalIncome }, { expense: 6_000, income: 0 });
     const uncategorized = await getSummary({ ...params, categoryId: 0, onlyConfirmed: false }, client);

backend/src/services/analytics.ts

@@ -33,7 +33,11 @@ function analyticsTransactions(where: string): string {
         CASE WHEN a.account_type = 'savings'
                   AND ${effectiveAmount} > 0
                   AND (t.description ILIKE '%процент%' OR t.description ILIKE '%выплата %' OR t.description LIKE '%\%%' ESCAPE '\\')
-             THEN ${effectiveAmount} ELSE 0 END AS interest_income
+             THEN ${effectiveAmount} ELSE 0 END AS interest_income,
+        CASE WHEN t.amount_signed = 0
+                  AND t.commission > 0
+                  AND t.description ILIKE '%зачисление%'
+             THEN t.commission ELSE 0 END AS cashback_income
       FROM transactions t
       LEFT JOIN categories c ON c.id = t.category_id
       LEFT JOIN accounts a ON a.id = t.account_id
@@ -87,7 +91,8 @@ export async function getSummary(
     `${analyticsTransactions(where)},
      category_net AS (
        SELECT category_id, category_name, analytic_type, SUM(effective_amount)::bigint AS amount,
-              SUM(interest_income)::bigint AS interest_income
+              SUM(interest_income)::bigint AS interest_income,
+              SUM(cashback_income)::bigint AS cashback_income
        FROM analytics_transactions
        GROUP BY category_id, category_name, analytic_type
      )
@@ -98,7 +103,8 @@ export async function getSummary(
        COALESCE((SELECT SUM(GREATEST(-effective_amount, 0)) FROM analytics_transactions), 0)::bigint AS cash_outflow,
        COALESCE((SELECT SUM(GREATEST(effective_amount, 0)) FROM analytics_transactions WHERE analytic_type = 'transfer'), 0)::bigint AS transfer_inflow,
        COALESCE((SELECT SUM(GREATEST(-effective_amount, 0)) FROM analytics_transactions WHERE analytic_type = 'transfer'), 0)::bigint AS transfer_outflow,
-       COALESCE(SUM(interest_income), 0)::bigint AS interest_income
+       COALESCE(SUM(interest_income), 0)::bigint AS interest_income,
+       COALESCE(SUM(cashback_income), 0)::bigint AS cashback_income
      FROM category_net`,
     values,
   );
@@ -110,6 +116,7 @@ export async function getSummary(
   const transferInflow = Number(totalsResult.rows[0].transfer_inflow);
   const transferOutflow = Number(totalsResult.rows[0].transfer_outflow);
   const interestIncome = Number(totalsResult.rows[0].interest_income);
+  const cashbackIncome = Number(totalsResult.rows[0].cashback_income);
 
   const topResult = await db.query(
     `${analyticsTransactions(where)}
@@ -140,6 +147,7 @@ export async function getSummary(
     transferOutflow,
     cashNet: cashInflow - cashOutflow,
     interestIncome,
+    cashbackIncome,
     topCategories,
   };
 }

backend/src/services/import.integration.test.ts

@@ -8,6 +8,21 @@ const makeStatement = (sourceIds: string[]) => ({
   transactions: sourceIds.map((sourceId) => ({ operationAt: '2026-08-20T10:00:00+03:00', amountSigned: 100, commission: 0, description: 'Пополнение', sourceId })),
 });
 
+const duplicateStatement = {
+  schemaVersion: '1.0', bank: 'TEST',
+  statement: { accountNumber: 'fingerprint-test', currency: 'RUB', openingBalance: 0, closingBalance: 200, exportedAt: '2026-08-20T12:00:00+03:00' },
+  transactions: Array.from({ length: 2 }, () => ({ operationAt: '2026-08-20T00:00:00+03:00', amountSigned: 100, commission: 0, description: 'Пополнение' })),
+};
+const overlapStatement = {
+  ...duplicateStatement,
+  statement: { ...duplicateStatement.statement, accountNumber: 'overlap-test' },
+};
+const singleStatement = {
+  ...overlapStatement,
+  statement: { ...overlapStatement.statement, closingBalance: 100 },
+  transactions: overlapStatement.transactions.slice(0, 1),
+};
+
 async function run(): Promise<void> {
   try {
     await importStatement(makeStatement(['first', 'first-second']));
@@ -18,11 +33,32 @@ async function run(): Promise<void> {
     await importStatement(makeStatement(['second']));
     const result = await pool.query('SELECT account_type, status FROM accounts WHERE id = $1', [account.rows[0].id]);
     assert.deepEqual(result.rows[0], { account_type: 'savings', status: 'closed' });
+    const duplicateResult = await importStatement(duplicateStatement);
+    if ('status' in duplicateResult) throw new Error(duplicateResult.message);
+    assert.deepEqual(duplicateResult, {
+      accountId: duplicateResult.accountId,
+      isNewAccount: true,
+      accountNumberMasked: 'fingerp******test',
+      imported: 2,
+      duplicatesSkipped: 0,
+      totalInFile: 2,
+    });
+    await importStatement(singleStatement);
+    const overlapResult = await importStatement(overlapStatement);
+    if ('status' in overlapResult) throw new Error(overlapResult.message);
+    assert.deepEqual(overlapResult, {
+      accountId: overlapResult.accountId,
+      isNewAccount: false,
+      accountNumberMasked: 'overla******test',
+      imported: 1,
+      duplicatesSkipped: 1,
+      totalInFile: 2,
+    });
     console.log('import metadata SQL: OK');
   } finally {
-    await pool.query('DELETE FROM transactions WHERE account_id IN (SELECT id FROM accounts WHERE bank = \'TEST\' AND account_number = \'metadata-test\')');
-    await pool.query("DELETE FROM imports WHERE account_id IN (SELECT id FROM accounts WHERE bank = 'TEST' AND account_number = 'metadata-test')");
-    await pool.query("DELETE FROM accounts WHERE bank = 'TEST' AND account_number = 'metadata-test'");
+    await pool.query("DELETE FROM transactions WHERE account_id IN (SELECT id FROM accounts WHERE bank = 'TEST' AND account_number IN ('metadata-test', 'fingerprint-test', 'overlap-test'))");
+    await pool.query("DELETE FROM imports WHERE account_id IN (SELECT id FROM accounts WHERE bank = 'TEST' AND account_number IN ('metadata-test', 'fingerprint-test', 'overlap-test'))");
+    await pool.query("DELETE FROM accounts WHERE bank = 'TEST' AND account_number IN ('metadata-test', 'fingerprint-test', 'overlap-test')");
     await pool.end();
   }
 }

backend/src/services/import.test.ts

@@ -1,10 +1,12 @@
 import assert from 'node:assert/strict';
-import { determineDirection } from './import';
+import { computeFingerprint, determineDirection } from './import';
 
 assert.equal(determineDirection(1, 'Перечисление средств на счет N 123 со счета N 456'), 'transfer');
 assert.equal(determineDirection(1, 'Перечисление средств на вклад N 123'), 'transfer');
 assert.equal(determineDirection(-1, 'Перечисление суммы вклада при закрытии'), 'transfer');
 assert.equal(determineDirection(-1, 'Оплата покупки'), 'expense');
 assert.equal(determineDirection(1, 'Выплата процентов'), 'income');
+const duplicateTransaction = { operationAt: '2026-08-20T00:00:00+03:00', amountSigned: 100, commission: 0, description: 'Пополнение' };
+assert.notEqual(computeFingerprint('fingerprint-test', duplicateTransaction, 0), computeFingerprint('fingerprint-test', duplicateTransaction, 1));
 
 console.log('import direction: OK');

backend/src/services/import.ts

@@ -14,9 +14,10 @@ const TRANSFER_PHRASES = [
 const CASHBACK_KEYWORD = 'зачисление';
 const UUID_RE = /^[0-9a-f]{8}-[0-9a-f]{4}-[1-5][0-9a-f]{3}-[89ab][0-9a-f]{3}-[0-9a-f]{12}$/i;
 
-function computeFingerprint(
+export function computeFingerprint(
   accountNumber: string,
   tx: { operationAt: string; amountSigned: number; commission: number; description: string; sourceId?: string },
+  sourcePosition?: number,
 ): string {
   if (tx.sourceId) {
     const raw = [accountNumber, tx.sourceId.trim()].join('|');
@@ -29,6 +30,7 @@ function computeFingerprint(
     String(tx.amountSigned),
     String(tx.commission),
     tx.description.trim(),
+    ...(sourcePosition === undefined ? [] : [String(sourcePosition)]),
   ].join('|');
   const hash = crypto.createHash('sha256').update(raw, 'utf-8').digest('hex');
   return `sha256:${hash}`;
@@ -139,7 +141,7 @@ function validateSemantics(data: StatementFile): ValidationError | null {
   const operationIds = new Set<string>();
   for (let i = 0; i < data.transactions.length; i++) {
     const fp = computeFingerprint(data.statement.accountNumber, data.transactions[i]);
-    if (fps.has(fp)) {
+    if (data.transactions[i].sourceId && fps.has(fp)) {
       return { status: 422, error: 'VALIDATION_ERROR', message: `Duplicate fingerprint found within file at transaction index ${i}` };
     }
     fps.add(fp);
@@ -221,9 +223,15 @@ export async function importStatement(
 
     // Insert transactions
     const insertedIds: number[] = [];
+    const fallbackFingerprintOccurrences = new Map<string, number>();
 
     for (const [sourcePosition, tx] of data.transactions.entries()) {
-      const fp = computeFingerprint(data.statement.accountNumber, tx);
+      const fallbackFingerprint = computeFingerprint(data.statement.accountNumber, tx);
+      const occurrence = fallbackFingerprintOccurrences.get(fallbackFingerprint) ?? 0;
+      fallbackFingerprintOccurrences.set(fallbackFingerprint, occurrence + 1);
+      const fp = !tx.sourceId && occurrence > 0
+        ? computeFingerprint(data.statement.accountNumber, tx, occurrence)
+        : fallbackFingerprint;
       const isCashbackCommissionImport =
         tx.amountSigned === 0 &&
         tx.commission > 0 &&

docs/backlog/api_import.md

@@ -91,7 +91,7 @@
 
 - `statement.currency` соответствует допустимому коду валюты (MVP: `"RUB"`).
 - `operationAt` у всех транзакций — валидная дата (парсится без ошибок).
-- Отсутствуют дубликаты fingerprint внутри одного файла.
+- Повторяющиеся `sourceId` внутри одного файла отклоняются; одинаковые операции без `sourceId` различаются по позиции в массиве `transactions`.
 
 Ответ при ошибке:
 
@@ -120,10 +120,11 @@
 Для каждой транзакции вычисляется SHA-256 от полей, соединённых разделителем `|`:
 
 ```text
-accountNumber|operationAt|amountSigned|commission|normalizedDescription
+accountNumber|operationAt|amountSigned|commission|normalizedDescription[|sourcePosition]
 ```
 
 - `normalizedDescription` — `description` после `trim`.
+- `sourcePosition` — порядковый номер повторяющейся операции в массиве `transactions`; добавляется, только если одинаковые операции без `sourceId` повторяются в одном файле.
 - Суммы подставляются в том виде, в котором пришли в JSON (числовое представление).
 - Разделитель `|` исключает коллизии при склейке полей разной длины.
 

frontend/package.json

@@ -1,6 +1,6 @@
 {
   "name": "@family-budget/frontend",
-  "version": "0.11.1",
+  "version": "0.11.2",
   "private": true,
   "type": "module",
   "scripts": {

frontend/src/components/SummaryCards.tsx

@@ -41,6 +41,7 @@ export function SummaryCards({ summary }: Props) {
         <div className="summary__subvalue">Поступило: {formatAmount(summary.cashInflow)}</div>
         <div className="summary__subvalue">Списано: {formatAmount(summary.cashOutflow)}</div>
         <div className="summary__subvalue">Доход от процентов: {formatAmount(summary.interestIncome)}</div>
+        <div className="summary__subvalue">Кэшбек: {formatAmount(summary.cashbackIncome)}</div>
         {(summary.transferInflow > 0 || summary.transferOutflow > 0) && (
           <div className="summary__subvalue">
             Переводы: {formatAmount(summary.transferInflow)} / {formatAmount(summary.transferOutflow)}

shared/package.json

@@ -1,6 +1,6 @@
 {
   "name": "@family-budget/shared",
-  "version": "0.5.0",
+  "version": "0.5.1",
   "private": true,
   "main": "dist/index.js",
   "types": "dist/index.d.ts",

shared/src/types/analytics.ts

@@ -25,6 +25,7 @@ export interface AnalyticsSummaryResponse {
   transferOutflow: number;
   cashNet: number;
   interestIncome: number;
+  cashbackIncome: number;
   topCategories: TopCategory[];
 }