55 lines
1.3 KiB
TypeScript
55 lines
1.3 KiB
TypeScript
import knex, { type Knex } from 'knex';
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import ClientPgLite from 'knex-pglite';
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import { PGlite } from '@electric-sql/pglite';
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import { vector } from '@electric-sql/pglite/vector';
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import { destroy, type Services } from '../../utils/utils.services.js';
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import { migrationSource } from './migrations/migrations.js';
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class DatabaseService {
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#services: Services;
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#instance?: Promise<Knex>;
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constructor(services: Services) {
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this.#services = services;
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}
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#setup = async () => {
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const pglite = new PGlite({
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extensions: { vector },
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});
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const instance = knex({
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client: ClientPgLite,
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dialect: 'postgres',
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connection: () => ({ pglite }) as object,
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});
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await instance.raw(`CREATE EXTENSION IF NOT EXISTS vector`);
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await instance.migrate.latest({
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migrationSource: migrationSource({ services: this.#services }),
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});
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return instance;
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};
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public getInstance = () => {
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if (!this.#instance) {
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this.#instance = this.#setup();
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}
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return this.#instance;
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};
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[destroy] = async () => {
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if (!this.#instance) {
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return;
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}
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const instance = await this.#instance;
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await instance.destroy();
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};
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}
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export { type TableRows, tableNames } from './migrations/migrations.js';
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export { DatabaseService };
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