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utils.server.ts
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utils.server.ts
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import { PrismaClient } from "@prisma/client";
import { UserSession } from "./pages/api/auth/[...nextauth]";
import { getSession as nextAuthGetSession } from "next-auth/react";
import Boom from "@hapi/boom";
import { NextApiRequest, NextApiResponse } from "next";
import nc from 'next-connect'
export const singleton = async <T>(id: string, fn: () => Promise<T>) => {
if (process.env.NODE_ENV === "production") {
return await fn()
} else {
if (!global[id]) {
global[id] = await fn()
}
return global[id] as T;
}
};
export const singletonSync = <T>(id: string, fn: () => T) => {
if (process.env.NODE_ENV === "production") {
return fn();
} else {
if (!global[id]) {
global[id] = fn();
}
return global[id] as T;
}
};
export const prisma = singletonSync("prisma", () => {
return new PrismaClient();
});
export function initMiddleware(middleware) {
return (req, res) =>
new Promise((resolve, reject) => {
middleware(req, res, (result) => {
if (result instanceof Error) {
return reject(result);
}
return resolve(result);
});
});
}
export const getSession = async (req) => {
return (await nextAuthGetSession({ req }));
};
export const HTTPException = Boom;
export const apiHandler = () => nc<NextApiRequest, NextApiResponse>({
onError(e, req: NextApiRequest, res: NextApiResponse) {
if (Boom.isBoom(e)) {
res.status(e.output.payload.statusCode);
res.json({
error: e.output.payload.error,
message: e.output.payload.message,
});
} else {
res.status(500);
res.json({
message: "Unexpected error",
});
console.error(e);
// unexcepted error
}
},
});