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84 lines
2.0 KiB
TypeScript
84 lines
2.0 KiB
TypeScript
import { Client } from 'pg';
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import client from '../database';
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//import { Books } from '../types';
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export type Book = {
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id: number;
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title: string;
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author: string;
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price: number;
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summary: string;
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}
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export class BookStore {
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async index(): Promise<Book[]> {
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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 books'
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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 any books ${err}`)
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}
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}
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async show(id: string): Promise<Book> {
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try {
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const sql = 'SELECT * FROM books 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 book ${id}. Error: ${err}`)
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}
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}
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async create(b: Book): Promise<Book> {
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try {
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const sql = 'INSERT INTO books (title, author, price, summary) VALUES ($1, $2, $3, $4) 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, [b.title, b.author, b.price, b.summary])
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const book = result.rows[0]
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conn.release()
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return book
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} catch (err) {
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throw new Error(`Could not add new book ${title}. Error: ${err}`)
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}
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}
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async delete(id: string): Promise<Book> {
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try {
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const sql = 'DELETE FROM books WHERE id=(1$)'
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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 book = result.rows[0]
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conn.release()
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return book
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} catch (err) {
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throw new Error(`Could not delete book ${id}. Error: ${err}`)
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}
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}
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}
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