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91 lines
2.4 KiB
TypeScript
91 lines
2.4 KiB
TypeScript
import { Client, Connection } from 'pg';
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import client from '../database';
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export type Product = {
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id?: number;
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name: string;
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price: number;
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}
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export class ProductStore {
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async index(): Promise<Product[]> {
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try {
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// @ts-ignore
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const conn = await client.connect()
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const sql = 'SELECT * FROM products;'
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const result = await conn.query(sql)
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conn.release()
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return result.rows
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} catch (err) {
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throw new Error(`Cannot get products ${err}`)
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}
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}
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async show(id: string): Promise<Product> {
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try {
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const sql = 'SELECT * FROM products where id=($1);'
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// @ts-ignore
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const conn = await client.connect()
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const result = await conn.query(sql, [id])
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conn.release()
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return result.rows[0]
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} catch (err) {
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throw new Error(`Could not find product ${id}. Error: ${err}`)
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}
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}
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async create(p: Product): Promise<Product> {
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try {
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const sql = 'INSERT INTO products (name, price) VALUES ($1, $2) RETURNING *;'
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// @ts-ignore
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const conn = await client.connect()
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const result = await conn.query(sql, [p.name, p.price])
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const product = result.rows[0]
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conn.release()
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return product
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} catch (err) {
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throw new Error(`Could not add new product ${p.name}. Error: ${err}`)
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}
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}
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async update(p: Product): Promise<Product> {
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try {
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const conn = await client.connect();
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const result = await conn.query(
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'UPDATE products SET name=$1, price=$2 WHERE id=$3 returning *;',
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[p.name, p.price, p.id]
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);
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conn.release()
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return result.rows[0]
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} catch (err) {
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throw new Error(`could not update product ${p.id}. Error: ${err}`)
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}
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}
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async delete(id: number): Promise<Product> {
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try {
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const sql = 'DELETE FROM products WHERE id=(1$)'
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// @ts-ignore
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const conn = await client.connect()
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const result = await conn.query(sql, [id])
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const product = result.rows[0]
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conn.release()
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return product
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} catch (err) {
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throw new Error(`Could not delete product ${id}. Error: ${err}`)
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}
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}
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}
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