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| 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 | 1x 1x 1x 1x 1x 1x 1x 1x 1x 1x 1x | import { inject, lifeCycleObserver, LifeCycleObserver } from '@loopback/core';
import { juggler } from '@loopback/repository';
import * as dotenv from 'dotenv';
import pg from 'pg';
// set parser for NUMERIC type
pg.types.setTypeParser(pg.types.builtins.NUMERIC, (value: string) => {
return parseFloat(value);
});
dotenv.config();
const config = {
name: 'logchain',
connector: 'postgresql',
url: '',
host: process.env.POSTGRES_HOST,
port: process.env.POSTGRES_PORT,
user: process.env.POSTGRES_USER,
password: process.env.POSTGRES_PASSWORD,
database: process.env.POSTGRES_DB,
};
// Observe application's life cycle to disconnect the datasource when
// application is stopped. This allows the application to be shut down
// gracefully. The `stop()` method is inherited from `juggler.DataSource`.
// Learn more at https://loopback.io/doc/en/lb4/Life-cycle.html
@lifeCycleObserver('datasource')
export class LogChainDataSource
extends juggler.DataSource
implements LifeCycleObserver {
static dataSourceName = 'logchain';
static readonly defaultConfig = config;
constructor(
@inject('datasources.config.logchain', { optional: true })
dsConfig: object = config,
) {
super(dsConfig);
}
}
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