56 lines
1.4 KiB
TypeScript
56 lines
1.4 KiB
TypeScript
import sqlite3 from "sqlite3";
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const DATABASE_PATH = "catalogue.db";
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export async function getBook(id: number): Promise<DetailedBook> {
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const database = new sqlite3.Database(DATABASE_PATH, sqlite3.OPEN_READONLY);
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const sql =
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"SELECT isbn, lccn, title, subtitle, authors, edition, publisher, publish_year, publish_month, publish_location, pages, pagination, weight, last_updated, deleted FROM books WHERE id = ? ";
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const book: Promise<DetailedBook> = new Promise((resolve, reject) => {
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database.get(sql, [id], (err: Error | null, book: DetailedBook) => {
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if (err) {
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reject(err);
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}
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if (book) {
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resolve(book);
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} else {
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reject(new Error("Not a valid id"));
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}
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});
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});
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// .then((newBook) => {
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// book = new Promise((resolve) => {
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// resolve(newBook);
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// });
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// })
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// .catch((err) => {
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// console.error(err);
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// })
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// .finally(() => {
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// database.close();
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// });
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database.close();
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return book;
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}
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export interface DetailedBook {
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isbn: string | null;
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lccn: string | null;
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title: string | null;
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authors: string | null;
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edition: string | null;
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publisher: string | null;
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publish_year: string | null;
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publish_month: string | null;
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publish_location: string | null;
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pages: string | null;
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pagination: string | null;
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weight: string | null;
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last_updated: Date | null;
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deleted: boolean | null;
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}
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