40 lines
1.3 KiB
TypeScript
40 lines
1.3 KiB
TypeScript
import { Client } from "https://deno.land/x/mysql/mod.ts";
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import config from "./config.json" assert { type: "json" };
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import {Maybe} from "./Maybe.ts";
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export type WithoutId<T> = Omit<T, "id">;
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export interface StoccaTreDbConn {
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query<T>(query: string): Promise<Maybe<T>>;
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}
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export default async function createNewDbConnection(): Promise<StoccaTreDbConn> {
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const mysqlClient = await new Client().connect({
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hostname: config.hostname,
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username: config.username,
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db: "stocca_tre",
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password: config.password,
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});
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return {
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query: async <T>(query: string): Promise<Maybe<T>> => {
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let errMessage: string;
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try {
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const result = await mysqlClient.query(query);
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return {
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just: result as T,
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};
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} catch (e: unknown) {
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if (e && typeof (e as { message?: any }).message === "string") {
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errMessage = (e as { message: string}).message;
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} else {
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errMessage = "An unknown error occurred in the database.";
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}
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}
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return {
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error: {
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message: errMessage
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},
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};
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}
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}
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}
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