77 lines
2.1 KiB
TypeScript
77 lines
2.1 KiB
TypeScript
import { BadRequestException, Injectable } from '@nestjs/common';
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import { OracleDBService } from 'src/db/db.service';
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import { AuthLoginDTO } from './auth.dto';
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import * as oracledb from 'oracledb';
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@Injectable()
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export class AuthService {
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constructor(private readonly oracleDBService: OracleDBService) { }
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async login(body: AuthLoginDTO) {
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let connection;
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let rows = [];
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try {
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connection = await this.oracleDBService.getConnection();
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if (!connection) {
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throw new Error('No DB Connected');
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}
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const result = await connection.execute(
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`BEGIN
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USERLOGIN_PKG.ValidateUser(:p_emailaddr,:p_password,:p_login_cursor);
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END;`,
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{
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p_emailaddr: {
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val: body.p_emailaddr,
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type: oracledb.DB_TYPE_NVARCHAR,
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},
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p_password: {
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val: body.p_password,
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type: oracledb.DB_TYPE_NVARCHAR,
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},
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p_login_cursor: {
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type: oracledb.CURSOR,
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dir: oracledb.BIND_OUT,
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},
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},
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{
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outFormat: oracledb.OUT_FORMAT_OBJECT,
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},
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);
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if (result.outBinds && result.outBinds.p_login_cursor) {
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const cursor = result.outBinds.p_login_cursor;
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let rowsBatch;
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do {
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rowsBatch = await cursor.getRows(100);
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rows = rows.concat(rowsBatch);
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} while (rowsBatch.length > 0);
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await cursor.close();
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} else {
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throw new BadRequestException({
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Error: 'Error executing request try after some time!',
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});
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}
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if (rows[0]['ERRORMESG']) {
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throw new BadRequestException({ error: 'Invalid username or password!' });
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}
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return { msg: 'Logged in successfully' };
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} catch (err) {
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console.error('Error fetching users: ', err.message);
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throw new BadRequestException({ error: 'Invalid username or password' });
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}
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finally {
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if (connection) {
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try {
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await connection.close();
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} catch (closeErr) {
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console.error('Failed to close connection:', closeErr);
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}
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}
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}
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}
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}
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