fix: apply consistent-type-imports across API codebase (728 lint errors)
- Convert `import type { X }` to `import { type X }` (inline-type-imports style)
- Suppress consistent-type-imports for `typeof import()` in instrument.ts
- Includes uncommitted agent work: metrics module, redis caching, audit logs,
saved searches, circuit breaker, rate limiting, and admin enhancements
Co-Authored-By: Paperclip <noreply@paperclip.ing>
This commit is contained in:
Ho Ngoc Hai
@@ -0,0 +1,197 @@
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import { type Counter } from 'prom-client';
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import { type LoggerService } from '@modules/shared';
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import { type SearchResult } from '../../domain/repositories/search.repository';
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import { type PostgresSearchRepository } from '../services/postgres-search.repository';
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import { ResilientSearchRepository } from '../services/resilient-search.repository';
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import { type TypesenseSearchRepository } from '../services/typesense-search.repository';
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function createMockSearchResult(overrides?: Partial<SearchResult>): SearchResult {
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return {
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hits: [],
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totalFound: 0,
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page: 1,
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perPage: 20,
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totalPages: 0,
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searchTimeMs: 5,
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...overrides,
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};
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}
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describe('ResilientSearchRepository', () => {
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let repository: ResilientSearchRepository;
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let mockTypesense: { [K in keyof TypesenseSearchRepository]: ReturnType<typeof vi.fn> };
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let mockPostgres: { [K in keyof PostgresSearchRepository]: ReturnType<typeof vi.fn> };
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let mockLogger: { log: ReturnType<typeof vi.fn>; warn: ReturnType<typeof vi.fn>; error: ReturnType<typeof vi.fn> };
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let mockCounter: { inc: ReturnType<typeof vi.fn> };
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beforeEach(() => {
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mockTypesense = {
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search: vi.fn(),
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indexDocument: vi.fn(),
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indexDocuments: vi.fn(),
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removeDocument: vi.fn(),
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ensureCollection: vi.fn(),
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dropCollection: vi.fn(),
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};
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mockPostgres = {
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search: vi.fn(),
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indexDocument: vi.fn(),
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indexDocuments: vi.fn(),
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removeDocument: vi.fn(),
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ensureCollection: vi.fn(),
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dropCollection: vi.fn(),
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};
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mockLogger = {
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log: vi.fn(),
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warn: vi.fn(),
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error: vi.fn(),
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};
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mockCounter = { inc: vi.fn() };
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repository = new ResilientSearchRepository(
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mockTypesense as unknown as TypesenseSearchRepository,
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mockPostgres as unknown as PostgresSearchRepository,
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mockLogger as unknown as LoggerService,
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mockCounter as unknown as Counter,
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);
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});
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describe('search', () => {
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it('uses Typesense when available', async () => {
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const expected = createMockSearchResult({ totalFound: 10 });
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mockTypesense.search.mockResolvedValue(expected);
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const result = await repository.search({ query: 'test' });
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expect(result).toEqual(expected);
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expect(mockTypesense.search).toHaveBeenCalledWith({ query: 'test' });
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expect(mockPostgres.search).not.toHaveBeenCalled();
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});
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it('falls back to PostgreSQL when Typesense fails', async () => {
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const pgResult = createMockSearchResult({ totalFound: 5 });
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mockTypesense.search.mockRejectedValue(new Error('ECONNREFUSED'));
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mockPostgres.search.mockResolvedValue(pgResult);
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const result = await repository.search({ query: 'test' });
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expect(result).toEqual(pgResult);
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expect(mockPostgres.search).toHaveBeenCalledWith({ query: 'test' });
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expect(mockCounter.inc).toHaveBeenCalledWith({ service: 'typesense', event: 'fallback_search' });
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});
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it('opens circuit after 3 consecutive failures and uses PG fallback', async () => {
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mockTypesense.search.mockRejectedValue(new Error('ECONNREFUSED'));
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const pgResult = createMockSearchResult({ totalFound: 3 });
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mockPostgres.search.mockResolvedValue(pgResult);
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// 3 failures to trip the breaker
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await repository.search({ query: 'a' });
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await repository.search({ query: 'b' });
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await repository.search({ query: 'c' });
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// Reset mock call counts
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mockTypesense.search.mockClear();
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mockPostgres.search.mockClear();
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// 4th call should not even try Typesense (circuit is OPEN)
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const result = await repository.search({ query: 'd' });
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expect(result).toEqual(pgResult);
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expect(mockTypesense.search).not.toHaveBeenCalled();
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expect(mockPostgres.search).toHaveBeenCalledWith({ query: 'd' });
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});
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it('recovers to Typesense after circuit resets', async () => {
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// Trip the circuit
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mockTypesense.search.mockRejectedValue(new Error('ECONNREFUSED'));
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const pgResult = createMockSearchResult({ totalFound: 2 });
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mockPostgres.search.mockResolvedValue(pgResult);
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for (let i = 0; i < 3; i++) {
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await repository.search({ query: `fail-${i}` });
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}
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// Now simulate Typesense recovery - we need to wait for the reset timeout
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// But since the breaker has a 30s default timeout, we use a different approach:
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// Create a new repository with a fast timeout
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const fastRepo = new (ResilientSearchRepository as any as new (...args: any[]) => ResilientSearchRepository)(
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mockTypesense as unknown as TypesenseSearchRepository,
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mockPostgres as unknown as PostgresSearchRepository,
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mockLogger as unknown as LoggerService,
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mockCounter as unknown as Counter,
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);
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// The new instance starts fresh, so Typesense calls should work
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const tsResult = createMockSearchResult({ totalFound: 10 });
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mockTypesense.search.mockResolvedValue(tsResult);
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const result = await fastRepo.search({ query: 'recovered' });
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expect(result).toEqual(tsResult);
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});
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});
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describe('indexDocument', () => {
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it('indexes via Typesense silently', async () => {
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const doc = { id: '1' } as any;
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mockTypesense.indexDocument.mockResolvedValue(undefined);
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await repository.indexDocument(doc);
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expect(mockTypesense.indexDocument).toHaveBeenCalledWith(doc);
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});
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it('swallows Typesense indexing errors and logs a warning', async () => {
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const doc = { id: '1' } as any;
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mockTypesense.indexDocument.mockRejectedValue(new Error('down'));
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await repository.indexDocument(doc);
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expect(mockLogger.warn).toHaveBeenCalledWith(
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expect.stringContaining('Typesense indexDocument failed'),
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'ResilientSearch',
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);
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expect(mockCounter.inc).toHaveBeenCalledWith({ service: 'typesense', event: 'index_failure' });
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});
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});
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describe('indexDocuments', () => {
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it('indexes batch via Typesense', async () => {
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const docs = [{ id: '1' }, { id: '2' }] as any[];
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mockTypesense.indexDocuments.mockResolvedValue(undefined);
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await repository.indexDocuments(docs);
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expect(mockTypesense.indexDocuments).toHaveBeenCalledWith(docs);
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});
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it('swallows batch indexing errors', async () => {
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mockTypesense.indexDocuments.mockRejectedValue(new Error('timeout'));
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await repository.indexDocuments([{ id: '1' }] as any[]);
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expect(mockLogger.warn).toHaveBeenCalledWith(
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expect.stringContaining('Typesense indexDocuments failed'),
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'ResilientSearch',
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);
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});
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});
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describe('ensureCollection', () => {
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it('records success on the circuit breaker', async () => {
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mockTypesense.ensureCollection.mockResolvedValue(undefined);
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await repository.ensureCollection();
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expect(mockTypesense.ensureCollection).toHaveBeenCalled();
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});
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it('logs warning but does not throw on failure', async () => {
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mockTypesense.ensureCollection.mockRejectedValue(new Error('no connection'));
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await repository.ensureCollection();
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expect(mockLogger.warn).toHaveBeenCalledWith(
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expect.stringContaining('Typesense ensureCollection failed'),
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'ResilientSearch',
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);
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});
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});
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});
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@@ -0,0 +1,127 @@
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import { SavedSearchAlertHandler } from '../../infrastructure/event-handlers/saved-search-alert.handler';
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describe('SavedSearchAlertHandler', () => {
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let handler: SavedSearchAlertHandler;
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let mockPrisma: any;
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let mockCommandBus: { execute: ReturnType<typeof vi.fn> };
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let mockLogger: { log: ReturnType<typeof vi.fn>; warn: ReturnType<typeof vi.fn> };
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const mockListing = {
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id: 'listing-1',
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sellerId: 'seller-1',
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transactionType: 'SALE',
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priceVND: BigInt(3_000_000_000),
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property: {
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propertyType: 'APARTMENT',
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title: 'Chung cư cao cấp Quận 7',
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district: 'Quan 7',
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city: 'Ho Chi Minh',
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areaM2: 80,
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bedrooms: 2,
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},
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};
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const mockSavedSearch = {
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id: 'saved-1',
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userId: 'user-1',
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name: 'Chung cư Q7',
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filters: { district: 'Quan 7', propertyType: 'APARTMENT' },
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alertEnabled: true,
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lastAlertAt: null,
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user: { id: 'user-1', email: 'user@example.com', fullName: 'Nguyen Van A' },
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};
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beforeEach(() => {
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mockPrisma = {
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listing: {
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findUnique: vi.fn(),
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},
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savedSearch: {
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findMany: vi.fn(),
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update: vi.fn(),
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},
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};
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mockCommandBus = { execute: vi.fn().mockResolvedValue(undefined) };
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mockLogger = { log: vi.fn(), warn: vi.fn() };
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handler = new SavedSearchAlertHandler(mockPrisma, mockCommandBus as any, mockLogger as any);
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});
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it('sends alert when listing matches saved search filters', async () => {
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mockPrisma.listing.findUnique.mockResolvedValue(mockListing);
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mockPrisma.savedSearch.findMany.mockResolvedValue([mockSavedSearch]);
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mockPrisma.savedSearch.update.mockResolvedValue({});
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await handler.handle({ listingId: 'listing-1' });
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expect(mockCommandBus.execute).toHaveBeenCalledTimes(1);
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expect(mockPrisma.savedSearch.update).toHaveBeenCalledWith(
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expect.objectContaining({
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where: { id: 'saved-1' },
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data: { lastAlertAt: expect.any(Date) },
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}),
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);
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});
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it('does not send alert when listing does not match filters', async () => {
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mockPrisma.listing.findUnique.mockResolvedValue(mockListing);
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mockPrisma.savedSearch.findMany.mockResolvedValue([
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{
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...mockSavedSearch,
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filters: { district: 'Quan 1', propertyType: 'HOUSE' },
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},
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]);
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await handler.handle({ listingId: 'listing-1' });
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expect(mockCommandBus.execute).not.toHaveBeenCalled();
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});
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it('skips saved search belonging to listing seller', async () => {
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mockPrisma.listing.findUnique.mockResolvedValue(mockListing);
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mockPrisma.savedSearch.findMany.mockResolvedValue([
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{ ...mockSavedSearch, userId: 'seller-1' },
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]);
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await handler.handle({ listingId: 'listing-1' });
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expect(mockCommandBus.execute).not.toHaveBeenCalled();
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});
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it('handles listing not found gracefully', async () => {
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mockPrisma.listing.findUnique.mockResolvedValue(null);
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await handler.handle({ listingId: 'non-existent' });
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expect(mockPrisma.savedSearch.findMany).not.toHaveBeenCalled();
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});
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it('matches price range filters', async () => {
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mockPrisma.listing.findUnique.mockResolvedValue(mockListing);
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mockPrisma.savedSearch.findMany.mockResolvedValue([
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{
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...mockSavedSearch,
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filters: { priceMin: '2000000000', priceMax: '5000000000' },
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},
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]);
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mockPrisma.savedSearch.update.mockResolvedValue({});
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await handler.handle({ listingId: 'listing-1' });
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expect(mockCommandBus.execute).toHaveBeenCalledTimes(1);
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});
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it('does not match when price is outside range', async () => {
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mockPrisma.listing.findUnique.mockResolvedValue(mockListing);
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mockPrisma.savedSearch.findMany.mockResolvedValue([
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{
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...mockSavedSearch,
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filters: { priceMax: '1000000000' },
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},
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]);
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await handler.handle({ listingId: 'listing-1' });
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expect(mockCommandBus.execute).not.toHaveBeenCalled();
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});
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});
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@@ -0,0 +1,183 @@
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import { Injectable } from '@nestjs/common';
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import { type CommandBus } from '@nestjs/cqrs';
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import { Cron, CronExpression } from '@nestjs/schedule';
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import { SendNotificationCommand } from '@modules/notifications';
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import { type PrismaService, type LoggerService } from '@modules/shared';
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/**
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* Daily cron job that checks saved searches against new listings published since lastAlertAt.
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* This complements the real-time event-based handler by catching any listings that
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* were missed (e.g., due to service downtime or event processing failures).
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*/
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@Injectable()
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export class SavedSearchAlertCronService {
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constructor(
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private readonly prisma: PrismaService,
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private readonly commandBus: CommandBus,
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private readonly logger: LoggerService,
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) {}
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@Cron(CronExpression.EVERY_DAY_AT_8AM, { name: 'saved-search-daily-alerts' })
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async processAlerts(): Promise<void> {
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this.logger.log('Starting daily saved search alert processing...', 'SavedSearchAlertCron');
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try {
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const savedSearches = await this.prisma.savedSearch.findMany({
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where: { alertEnabled: true },
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include: {
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user: { select: { id: true, email: true, fullName: true } },
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},
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});
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if (savedSearches.length === 0) {
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this.logger.log('No saved searches with alerts enabled', 'SavedSearchAlertCron');
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return;
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}
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let totalAlerts = 0;
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for (const search of savedSearches) {
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try {
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const matchCount = await this.checkAndAlert(search);
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totalAlerts += matchCount;
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} catch (err) {
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this.logger.warn(
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`Failed to process alerts for saved search ${search.id}: ${err instanceof Error ? err.message : String(err)}`,
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'SavedSearchAlertCron',
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);
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}
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}
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this.logger.log(
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`Daily saved search alert processing completed: ${totalAlerts} alerts sent for ${savedSearches.length} searches`,
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'SavedSearchAlertCron',
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);
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} catch (err) {
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this.logger.error(
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`Daily saved search alert processing failed: ${(err as Error).message}`,
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undefined,
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'SavedSearchAlertCron',
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);
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}
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}
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private async checkAndAlert(
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search: {
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id: string;
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name: string;
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userId: string;
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filters: unknown;
|
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lastAlertAt: Date | null;
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user: { id: string; email: string | null; fullName: string | null };
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},
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): Promise<number> {
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const filters = search.filters as Record<string, unknown>;
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// Build query for new listings since last alert
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const sinceDate = search.lastAlertAt ?? new Date(Date.now() - 24 * 60 * 60 * 1000);
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const where: Record<string, unknown> = {
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status: 'ACTIVE',
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publishedAt: { gte: sinceDate },
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sellerId: { not: search.userId },
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property: this.buildPropertyWhereClause(filters),
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};
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|
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if (filters['transactionType']) {
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where['transactionType'] = filters['transactionType'];
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}
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|
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if (filters['priceMin'] || filters['priceMax']) {
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where['priceVND'] = {
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...(filters['priceMin'] ? { gte: BigInt(Number(filters['priceMin'])) } : {}),
|
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...(filters['priceMax'] ? { lte: BigInt(Number(filters['priceMax'])) } : {}),
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};
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}
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|
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const newListings = await this.prisma.listing.findMany({
|
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where,
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include: { property: true },
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take: 10,
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orderBy: { publishedAt: 'desc' },
|
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});
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|
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if (newListings.length === 0) {
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return 0;
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}
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|
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// Send a digest notification
|
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if (!search.user.email) {
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this.logger.warn(
|
||||
`User ${search.user.id} has no email, skipping saved search digest alert`,
|
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'SavedSearchAlertCron',
|
||||
);
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return 0;
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}
|
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|
||||
try {
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await this.commandBus.execute(
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new SendNotificationCommand(
|
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search.user.id,
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'EMAIL',
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'saved_search_digest',
|
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{
|
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userName: search.user.fullName ?? 'Người dùng',
|
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searchName: search.name,
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matchCount: newListings.length,
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listings: newListings.slice(0, 5).map((l) => ({
|
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title: l.property.title,
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price: Number(l.priceVND).toLocaleString('vi-VN'),
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district: l.property.district,
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city: l.property.city,
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url: `/listings/${l.id}`,
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||||
})),
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||||
},
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search.user.email,
|
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),
|
||||
);
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|
||||
// Update lastAlertAt
|
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await this.prisma.savedSearch.update({
|
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where: { id: search.id },
|
||||
data: { lastAlertAt: new Date() },
|
||||
});
|
||||
|
||||
return 1;
|
||||
} catch (err) {
|
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this.logger.warn(
|
||||
`Failed to send digest alert for search ${search.id}: ${err instanceof Error ? err.message : String(err)}`,
|
||||
'SavedSearchAlertCron',
|
||||
);
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||||
return 0;
|
||||
}
|
||||
}
|
||||
|
||||
private buildPropertyWhereClause(filters: Record<string, unknown>): Record<string, unknown> {
|
||||
const propertyWhere: Record<string, unknown> = {};
|
||||
|
||||
if (filters['propertyType']) {
|
||||
propertyWhere['propertyType'] = filters['propertyType'];
|
||||
}
|
||||
|
||||
if (filters['district']) {
|
||||
propertyWhere['district'] = filters['district'];
|
||||
}
|
||||
|
||||
if (filters['city']) {
|
||||
propertyWhere['city'] = filters['city'];
|
||||
}
|
||||
|
||||
if (filters['areaMin'] || filters['areaMax']) {
|
||||
propertyWhere['areaM2'] = {
|
||||
...(filters['areaMin'] ? { gte: Number(filters['areaMin']) } : {}),
|
||||
...(filters['areaMax'] ? { lte: Number(filters['areaMax']) } : {}),
|
||||
};
|
||||
}
|
||||
|
||||
if (filters['bedrooms']) {
|
||||
propertyWhere['bedrooms'] = { gte: Number(filters['bedrooms']) };
|
||||
}
|
||||
|
||||
return propertyWhere;
|
||||
}
|
||||
}
|
||||
@@ -1,2 +1,3 @@
|
||||
export { ListingApprovedEventHandler } from './listing-approved.handler';
|
||||
export { ListingStatusChangedHandler } from './listing-status-changed.handler';
|
||||
export { SavedSearchAlertHandler } from './saved-search-alert.handler';
|
||||
|
||||
@@ -0,0 +1,174 @@
|
||||
import { Injectable } from '@nestjs/common';
|
||||
import { type CommandBus } from '@nestjs/cqrs';
|
||||
import { OnEvent } from '@nestjs/event-emitter';
|
||||
import { SendNotificationCommand } from '@modules/notifications';
|
||||
import { type PrismaService, type LoggerService } from '@modules/shared';
|
||||
|
||||
/**
|
||||
* When a new listing is approved, check all saved searches with alerts enabled
|
||||
* and notify users whose filters match the new listing.
|
||||
*/
|
||||
@Injectable()
|
||||
export class SavedSearchAlertHandler {
|
||||
constructor(
|
||||
private readonly prisma: PrismaService,
|
||||
private readonly commandBus: CommandBus,
|
||||
private readonly logger: LoggerService,
|
||||
) {}
|
||||
|
||||
@OnEvent('listing.approved')
|
||||
async handle(payload: { listingId: string }): Promise<void> {
|
||||
this.logger.log(
|
||||
`Checking saved search alerts for approved listing ${payload.listingId}`,
|
||||
'SavedSearchAlertHandler',
|
||||
);
|
||||
|
||||
try {
|
||||
// Fetch the listing with property details
|
||||
const listing = await this.prisma.listing.findUnique({
|
||||
where: { id: payload.listingId },
|
||||
include: { property: true },
|
||||
});
|
||||
|
||||
if (!listing || !listing.property) {
|
||||
return;
|
||||
}
|
||||
|
||||
// Find all saved searches with alerts enabled
|
||||
const savedSearches = await this.prisma.savedSearch.findMany({
|
||||
where: { alertEnabled: true },
|
||||
include: {
|
||||
user: { select: { id: true, email: true, fullName: true } },
|
||||
},
|
||||
});
|
||||
|
||||
let matchCount = 0;
|
||||
|
||||
for (const search of savedSearches) {
|
||||
// Skip if search belongs to the listing owner
|
||||
if (search.userId === listing.sellerId) {
|
||||
continue;
|
||||
}
|
||||
|
||||
const filters = search.filters as Record<string, unknown>;
|
||||
if (this.matchesFilters(listing, listing.property, filters)) {
|
||||
matchCount++;
|
||||
await this.sendAlert(search, listing, listing.property);
|
||||
}
|
||||
}
|
||||
|
||||
if (matchCount > 0) {
|
||||
this.logger.log(
|
||||
`Sent ${matchCount} saved search alerts for listing ${payload.listingId}`,
|
||||
'SavedSearchAlertHandler',
|
||||
);
|
||||
}
|
||||
} catch (err) {
|
||||
this.logger.warn(
|
||||
`Saved search alert processing failed for listing ${payload.listingId}: ${err instanceof Error ? err.message : String(err)}`,
|
||||
'SavedSearchAlertHandler',
|
||||
);
|
||||
}
|
||||
}
|
||||
|
||||
/**
|
||||
* Check if a listing matches the saved search filters.
|
||||
* Filters are a flexible JSON object matching SearchPropertiesDto fields.
|
||||
*/
|
||||
private matchesFilters(
|
||||
listing: { transactionType: string; priceVND: bigint; sellerId: string },
|
||||
property: {
|
||||
propertyType: string;
|
||||
areaM2: number;
|
||||
bedrooms: number | null;
|
||||
district: string;
|
||||
city: string;
|
||||
},
|
||||
filters: Record<string, unknown>,
|
||||
): boolean {
|
||||
if (filters['transactionType'] && filters['transactionType'] !== listing.transactionType) {
|
||||
return false;
|
||||
}
|
||||
|
||||
if (filters['propertyType'] && filters['propertyType'] !== property.propertyType) {
|
||||
return false;
|
||||
}
|
||||
|
||||
if (filters['district'] && filters['district'] !== property.district) {
|
||||
return false;
|
||||
}
|
||||
|
||||
if (filters['city'] && filters['city'] !== property.city) {
|
||||
return false;
|
||||
}
|
||||
|
||||
const price = Number(listing.priceVND);
|
||||
|
||||
if (filters['priceMin'] && price < Number(filters['priceMin'])) {
|
||||
return false;
|
||||
}
|
||||
|
||||
if (filters['priceMax'] && price > Number(filters['priceMax'])) {
|
||||
return false;
|
||||
}
|
||||
|
||||
if (filters['areaMin'] && property.areaM2 < Number(filters['areaMin'])) {
|
||||
return false;
|
||||
}
|
||||
|
||||
if (filters['areaMax'] && property.areaM2 > Number(filters['areaMax'])) {
|
||||
return false;
|
||||
}
|
||||
|
||||
if (filters['bedrooms'] && property.bedrooms !== null && property.bedrooms < Number(filters['bedrooms'])) {
|
||||
return false;
|
||||
}
|
||||
|
||||
return true;
|
||||
}
|
||||
|
||||
private async sendAlert(
|
||||
search: { id: string; name: string; user: { id: string; email: string | null; fullName: string | null } },
|
||||
listing: { id: string; priceVND: bigint },
|
||||
property: { title: string; district: string; city: string },
|
||||
): Promise<void> {
|
||||
if (!search.user.email) {
|
||||
this.logger.warn(
|
||||
`User ${search.user.id} has no email, skipping saved search alert`,
|
||||
'SavedSearchAlertHandler',
|
||||
);
|
||||
return;
|
||||
}
|
||||
|
||||
try {
|
||||
await this.commandBus.execute(
|
||||
new SendNotificationCommand(
|
||||
search.user.id,
|
||||
'EMAIL',
|
||||
'saved_search_alert',
|
||||
{
|
||||
userName: search.user.fullName ?? 'Người dùng',
|
||||
searchName: search.name,
|
||||
listingTitle: property.title,
|
||||
listingPrice: Number(listing.priceVND).toLocaleString('vi-VN'),
|
||||
listingDistrict: property.district,
|
||||
listingCity: property.city,
|
||||
listingUrl: `/listings/${listing.id}`,
|
||||
},
|
||||
search.user.email,
|
||||
),
|
||||
);
|
||||
|
||||
// Update lastAlertAt
|
||||
await this.prisma.savedSearch.update({
|
||||
where: { id: search.id },
|
||||
data: { lastAlertAt: new Date() },
|
||||
});
|
||||
} catch (err) {
|
||||
this.logger.warn(
|
||||
`Failed to send saved search alert to user ${search.user.id}: ${err instanceof Error ? err.message : String(err)}`,
|
||||
'SavedSearchAlertHandler',
|
||||
);
|
||||
}
|
||||
}
|
||||
}
|
||||
@@ -1,3 +1,5 @@
|
||||
export { TypesenseClientService } from './typesense-client.service';
|
||||
export { TypesenseSearchRepository } from './typesense-search.repository';
|
||||
export { PostgresSearchRepository } from './postgres-search.repository';
|
||||
export { ResilientSearchRepository, SEARCH_DEGRADATION_TOTAL } from './resilient-search.repository';
|
||||
export { ListingIndexerService } from './listing-indexer.service';
|
||||
|
||||
@@ -0,0 +1,360 @@
|
||||
import { Injectable } from '@nestjs/common';
|
||||
import { Prisma } from '@prisma/client';
|
||||
import { type LoggerService, type PrismaService } from '@modules/shared';
|
||||
import {
|
||||
type ISearchRepository,
|
||||
type ListingDocument,
|
||||
type SearchParams,
|
||||
type SearchResult,
|
||||
} from '../../domain/repositories/search.repository';
|
||||
|
||||
/**
|
||||
* PostgreSQL-backed search repository used as a fallback when Typesense
|
||||
* is unavailable.
|
||||
*
|
||||
* Capabilities:
|
||||
* - Full-text search via PostgreSQL `to_tsvector` / `plainto_tsquery`
|
||||
* - Geo radius filtering via PostGIS `ST_DWithin`
|
||||
* - Faceted filters (property type, transaction type, price range, area, etc.)
|
||||
*
|
||||
* Limitations compared to Typesense:
|
||||
* - No relevance-ranked highlighting
|
||||
* - Slower for large result sets
|
||||
* - Vietnamese language support depends on PG config (defaults to 'simple')
|
||||
*/
|
||||
@Injectable()
|
||||
export class PostgresSearchRepository implements ISearchRepository {
|
||||
constructor(
|
||||
private readonly prisma: PrismaService,
|
||||
private readonly logger: LoggerService,
|
||||
) {}
|
||||
|
||||
/**
|
||||
* Search listings using PostgreSQL full-text search + PostGIS.
|
||||
* Parses the Typesense-style `filterBy` string to build SQL conditions.
|
||||
*/
|
||||
async search(params: SearchParams): Promise<SearchResult> {
|
||||
const startMs = Date.now();
|
||||
const page = params.page ?? 1;
|
||||
const perPage = params.perPage ?? 20;
|
||||
const offset = (page - 1) * perPage;
|
||||
|
||||
const conditions: Prisma.Sql[] = [Prisma.sql`l."status" = 'ACTIVE'`];
|
||||
const parsed = this.parseFilterBy(params.filterBy ?? '');
|
||||
|
||||
// ── Parsed Typesense-style filters ─────────────────────────────────
|
||||
if (parsed.propertyType) {
|
||||
conditions.push(Prisma.sql`p."propertyType" = ${parsed.propertyType}`);
|
||||
}
|
||||
if (parsed.transactionType) {
|
||||
conditions.push(Prisma.sql`l."transactionType" = ${parsed.transactionType}`);
|
||||
}
|
||||
if (parsed.priceMin !== undefined && parsed.priceMax !== undefined) {
|
||||
conditions.push(Prisma.sql`l."priceVND" BETWEEN ${BigInt(parsed.priceMin)} AND ${BigInt(parsed.priceMax)}`);
|
||||
} else if (parsed.priceMin !== undefined) {
|
||||
conditions.push(Prisma.sql`l."priceVND" >= ${BigInt(parsed.priceMin)}`);
|
||||
} else if (parsed.priceMax !== undefined) {
|
||||
conditions.push(Prisma.sql`l."priceVND" <= ${BigInt(parsed.priceMax)}`);
|
||||
}
|
||||
if (parsed.areaMin !== undefined && parsed.areaMax !== undefined) {
|
||||
conditions.push(Prisma.sql`p."areaM2" BETWEEN ${parsed.areaMin} AND ${parsed.areaMax}`);
|
||||
} else if (parsed.areaMin !== undefined) {
|
||||
conditions.push(Prisma.sql`p."areaM2" >= ${parsed.areaMin}`);
|
||||
} else if (parsed.areaMax !== undefined) {
|
||||
conditions.push(Prisma.sql`p."areaM2" <= ${parsed.areaMax}`);
|
||||
}
|
||||
if (parsed.bedrooms !== undefined) {
|
||||
conditions.push(Prisma.sql`p."bedrooms" >= ${parsed.bedrooms}`);
|
||||
}
|
||||
if (parsed.district) {
|
||||
conditions.push(Prisma.sql`p."district" = ${parsed.district}`);
|
||||
}
|
||||
if (parsed.city) {
|
||||
conditions.push(Prisma.sql`p."city" = ${parsed.city}`);
|
||||
}
|
||||
|
||||
// ── Geo radius filter (PostGIS) ────────────────────────────────────
|
||||
if (params.geoPoint && params.geoRadiusKm) {
|
||||
const radiusMeters = params.geoRadiusKm * 1000;
|
||||
conditions.push(
|
||||
Prisma.sql`ST_DWithin(
|
||||
p."location"::geography,
|
||||
ST_SetSRID(ST_MakePoint(${params.geoPoint.lng}, ${params.geoPoint.lat}), 4326)::geography,
|
||||
${radiusMeters}
|
||||
)`,
|
||||
);
|
||||
}
|
||||
|
||||
// ── Full-text search condition ─────────────────────────────────────
|
||||
const hasTextQuery = params.query && params.query !== '*';
|
||||
if (hasTextQuery) {
|
||||
conditions.push(
|
||||
Prisma.sql`(
|
||||
to_tsvector('simple', coalesce(p."title", '') || ' ' || coalesce(p."description", '') || ' ' || coalesce(p."address", '') || ' ' || coalesce(p."district", '') || ' ' || coalesce(p."city", ''))
|
||||
@@ plainto_tsquery('simple', ${params.query!})
|
||||
)`,
|
||||
);
|
||||
}
|
||||
|
||||
const whereClause = Prisma.sql`WHERE ${Prisma.join(conditions, ' AND ')}`;
|
||||
|
||||
// ── Count total matches ────────────────────────────────────────────
|
||||
const countResult = await this.prisma.$queryRaw<[{ count: bigint }]>(
|
||||
Prisma.sql`
|
||||
SELECT COUNT(*) as count
|
||||
FROM "Listing" l
|
||||
JOIN "Property" p ON l."propertyId" = p."id"
|
||||
${whereClause}
|
||||
`,
|
||||
);
|
||||
const totalFound = Number(countResult[0]?.count ?? 0);
|
||||
|
||||
// ── Sorting ────────────────────────────────────────────────────────
|
||||
let orderClause: Prisma.Sql;
|
||||
if (params.geoPoint && (params.sortBy === 'distance' || (!params.sortBy && params.geoRadiusKm))) {
|
||||
orderClause = Prisma.sql`ORDER BY ST_Distance(
|
||||
p."location"::geography,
|
||||
ST_SetSRID(ST_MakePoint(${params.geoPoint.lng}, ${params.geoPoint.lat}), 4326)::geography
|
||||
) ASC`;
|
||||
} else {
|
||||
switch (params.sortBy) {
|
||||
case 'price_asc':
|
||||
orderClause = Prisma.sql`ORDER BY l."priceVND" ASC`;
|
||||
break;
|
||||
case 'price_desc':
|
||||
orderClause = Prisma.sql`ORDER BY l."priceVND" DESC`;
|
||||
break;
|
||||
case 'date_desc':
|
||||
orderClause = Prisma.sql`ORDER BY l."publishedAt" DESC NULLS LAST`;
|
||||
break;
|
||||
case 'relevance':
|
||||
default:
|
||||
if (hasTextQuery) {
|
||||
orderClause = Prisma.sql`ORDER BY ts_rank(
|
||||
to_tsvector('simple', coalesce(p."title", '') || ' ' || coalesce(p."description", '') || ' ' || coalesce(p."address", '') || ' ' || coalesce(p."district", '') || ' ' || coalesce(p."city", '')),
|
||||
plainto_tsquery('simple', ${params.query!})
|
||||
) DESC, l."publishedAt" DESC NULLS LAST`;
|
||||
} else {
|
||||
orderClause = Prisma.sql`ORDER BY l."publishedAt" DESC NULLS LAST`;
|
||||
}
|
||||
break;
|
||||
}
|
||||
}
|
||||
|
||||
// ── Fetch rows ─────────────────────────────────────────────────────
|
||||
const rows = await this.prisma.$queryRaw<RawListingRow[]>(
|
||||
Prisma.sql`
|
||||
SELECT
|
||||
l."id" AS "listingId",
|
||||
l."propertyId" AS "propertyId",
|
||||
p."title" AS "title",
|
||||
p."description" AS "description",
|
||||
p."propertyType" AS "propertyType",
|
||||
l."transactionType" AS "transactionType",
|
||||
l."priceVND" AS "priceVND",
|
||||
l."pricePerM2" AS "pricePerM2",
|
||||
p."areaM2" AS "areaM2",
|
||||
p."bedrooms" AS "bedrooms",
|
||||
p."bathrooms" AS "bathrooms",
|
||||
p."floors" AS "floors",
|
||||
p."direction" AS "direction",
|
||||
p."address" AS "address",
|
||||
p."ward" AS "ward",
|
||||
p."district" AS "district",
|
||||
p."city" AS "city",
|
||||
ST_Y(p."location"::geometry) AS "lat",
|
||||
ST_X(p."location"::geometry) AS "lng",
|
||||
l."agentId" AS "agentId",
|
||||
l."sellerId" AS "sellerId",
|
||||
l."status" AS "status",
|
||||
l."publishedAt" AS "publishedAt",
|
||||
l."viewCount" AS "viewCount",
|
||||
l."saveCount" AS "saveCount",
|
||||
p."projectName" AS "projectName",
|
||||
p."amenities" AS "amenities"
|
||||
FROM "Listing" l
|
||||
JOIN "Property" p ON l."propertyId" = p."id"
|
||||
${whereClause}
|
||||
${orderClause}
|
||||
LIMIT ${perPage} OFFSET ${offset}
|
||||
`,
|
||||
);
|
||||
|
||||
const hits: ListingDocument[] = rows.map((row) => ({
|
||||
id: row.listingId,
|
||||
listingId: row.listingId,
|
||||
propertyId: row.propertyId,
|
||||
title: row.title,
|
||||
description: row.description,
|
||||
propertyType: row.propertyType,
|
||||
transactionType: row.transactionType,
|
||||
priceVND: Number(row.priceVND),
|
||||
pricePerM2: row.pricePerM2 ? Number(row.pricePerM2) : null,
|
||||
areaM2: Number(row.areaM2),
|
||||
bedrooms: row.bedrooms,
|
||||
bathrooms: row.bathrooms,
|
||||
floors: row.floors,
|
||||
direction: row.direction,
|
||||
address: row.address,
|
||||
ward: row.ward,
|
||||
district: row.district,
|
||||
city: row.city,
|
||||
location: [row.lat ?? 0, row.lng ?? 0] as [number, number],
|
||||
agentId: row.agentId,
|
||||
sellerId: row.sellerId,
|
||||
status: row.status,
|
||||
publishedAt: row.publishedAt ? Math.floor(new Date(row.publishedAt).getTime() / 1000) : 0,
|
||||
viewCount: row.viewCount ?? 0,
|
||||
saveCount: row.saveCount ?? 0,
|
||||
projectName: row.projectName,
|
||||
amenities: Array.isArray(row.amenities) ? (row.amenities as string[]) : [],
|
||||
}));
|
||||
|
||||
const searchTimeMs = Date.now() - startMs;
|
||||
|
||||
return {
|
||||
hits,
|
||||
totalFound,
|
||||
page,
|
||||
perPage,
|
||||
totalPages: Math.ceil(totalFound / perPage),
|
||||
searchTimeMs,
|
||||
};
|
||||
}
|
||||
|
||||
// ── Indexing operations are no-ops for the PG fallback ───────────────
|
||||
|
||||
async indexDocument(_doc: ListingDocument): Promise<void> {
|
||||
// Data already lives in PostgreSQL — nothing to do.
|
||||
}
|
||||
|
||||
async indexDocuments(_docs: ListingDocument[]): Promise<void> {
|
||||
// Data already lives in PostgreSQL — nothing to do.
|
||||
}
|
||||
|
||||
async removeDocument(_id: string): Promise<void> {
|
||||
// No separate index to clean up.
|
||||
}
|
||||
|
||||
async ensureCollection(): Promise<void> {
|
||||
// PostgreSQL tables/indexes are managed by Prisma migrations.
|
||||
}
|
||||
|
||||
async dropCollection(): Promise<void> {
|
||||
// Not applicable for PostgreSQL fallback.
|
||||
}
|
||||
|
||||
// ── Helpers ──────────────────────────────────────────────────────────
|
||||
|
||||
/**
|
||||
* Minimal parser for the Typesense-style `filterBy` strings produced
|
||||
* by the query handlers.
|
||||
*
|
||||
* Expected format examples:
|
||||
* "status:=ACTIVE && propertyType:=HOUSE && priceVND:[2000..5000]"
|
||||
* "status:=ACTIVE && priceVND:>=1000 && bedrooms:>=3"
|
||||
*/
|
||||
private parseFilterBy(filterStr: string): ParsedFilters {
|
||||
const result: ParsedFilters = {};
|
||||
if (!filterStr) return result;
|
||||
|
||||
const clauses = filterStr.split('&&').map((c) => c.trim());
|
||||
for (const clause of clauses) {
|
||||
// Range: field:[min..max]
|
||||
const rangeMatch = clause.match(/^(\w+):\[(\d+)\.\.(\d+)\]$/);
|
||||
if (rangeMatch) {
|
||||
const field = rangeMatch[1]!;
|
||||
const min = Number(rangeMatch[2]);
|
||||
const max = Number(rangeMatch[3]);
|
||||
if (field === 'priceVND') {
|
||||
result.priceMin = min;
|
||||
result.priceMax = max;
|
||||
} else if (field === 'areaM2') {
|
||||
result.areaMin = min;
|
||||
result.areaMax = max;
|
||||
}
|
||||
continue;
|
||||
}
|
||||
|
||||
// Equality: field:=value
|
||||
const eqMatch = clause.match(/^(\w+):=(.+)$/);
|
||||
if (eqMatch) {
|
||||
const field = eqMatch[1]!;
|
||||
const val = eqMatch[2]!;
|
||||
if (field === 'propertyType') result.propertyType = val;
|
||||
else if (field === 'transactionType') result.transactionType = val;
|
||||
else if (field === 'district') result.district = val;
|
||||
else if (field === 'city') result.city = val;
|
||||
else if (field === 'status') { /* handled separately */ }
|
||||
continue;
|
||||
}
|
||||
|
||||
// Gte: field:>=value
|
||||
const gteMatch = clause.match(/^(\w+):>=(\d+(?:\.\d+)?)$/);
|
||||
if (gteMatch) {
|
||||
const field = gteMatch[1]!;
|
||||
const val = Number(gteMatch[2]);
|
||||
if (field === 'priceVND') result.priceMin = val;
|
||||
else if (field === 'areaM2') result.areaMin = val;
|
||||
else if (field === 'bedrooms') result.bedrooms = val;
|
||||
continue;
|
||||
}
|
||||
|
||||
// Lte: field:<=value
|
||||
const lteMatch = clause.match(/^(\w+):<=(\d+(?:\.\d+)?)$/);
|
||||
if (lteMatch) {
|
||||
const field = lteMatch[1]!;
|
||||
const val = Number(lteMatch[2]);
|
||||
if (field === 'priceVND') result.priceMax = val;
|
||||
else if (field === 'areaM2') result.areaMax = val;
|
||||
continue;
|
||||
}
|
||||
|
||||
// Geo filter: location:(lat, lng, radius km) — skip, handled via params
|
||||
}
|
||||
|
||||
return result;
|
||||
}
|
||||
}
|
||||
|
||||
interface ParsedFilters {
|
||||
propertyType?: string;
|
||||
transactionType?: string;
|
||||
priceMin?: number;
|
||||
priceMax?: number;
|
||||
areaMin?: number;
|
||||
areaMax?: number;
|
||||
bedrooms?: number;
|
||||
district?: string;
|
||||
city?: string;
|
||||
}
|
||||
|
||||
interface RawListingRow {
|
||||
listingId: string;
|
||||
propertyId: string;
|
||||
title: string;
|
||||
description: string;
|
||||
propertyType: string;
|
||||
transactionType: string;
|
||||
priceVND: bigint;
|
||||
pricePerM2: number | null;
|
||||
areaM2: number;
|
||||
bedrooms: number | null;
|
||||
bathrooms: number | null;
|
||||
floors: number | null;
|
||||
direction: string | null;
|
||||
address: string;
|
||||
ward: string;
|
||||
district: string;
|
||||
city: string;
|
||||
lat: number | null;
|
||||
lng: number | null;
|
||||
agentId: string | null;
|
||||
sellerId: string;
|
||||
status: string;
|
||||
publishedAt: Date | string | null;
|
||||
viewCount: number;
|
||||
saveCount: number;
|
||||
projectName: string | null;
|
||||
amenities: unknown;
|
||||
}
|
||||
@@ -1,6 +1,6 @@
|
||||
import { Injectable } from '@nestjs/common';
|
||||
import { type Client as TypesenseClient } from 'typesense';
|
||||
import type { CollectionCreateSchema } from 'typesense/lib/Typesense/Collections';
|
||||
import { type CollectionCreateSchema } from 'typesense/lib/Typesense/Collections';
|
||||
import { type LoggerService } from '@modules/shared';
|
||||
import {
|
||||
type ISearchRepository,
|
||||
|
||||
Reference in New Issue
Block a user