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import { OperationError } from "../types/walletTypes";
/*
This file is part of GNU Taler
(C) 2019 GNUnet e.V.
GNU Taler is free software; you can redistribute it and/or modify it under the
terms of the GNU General Public License as published by the Free Software
Foundation; either version 3, or (at your option) any later version.
GNU Taler is distributed in the hope that it will be useful, but WITHOUT ANY
WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR
A PARTICULAR PURPOSE. See the GNU General Public License for more details.
You should have received a copy of the GNU General Public License along with
GNU Taler; see the file COPYING. If not, see <http://www.gnu.org/licenses/>
*/
/**
* This exception is there to let the caller know that an error happened,
* but the error has already been reported by writing it to the database.
*/
export class OperationFailedAndReportedError extends Error {
constructor(message: string) {
super(message);
// Set the prototype explicitly.
Object.setPrototypeOf(this, OperationFailedAndReportedError.prototype);
}
}
/**
* This exception is thrown when an error occured and the caller is
* responsible for recording the failure in the database.
*/
export class OperationFailedError extends Error {
constructor(message: string, public err: OperationError) {
super(message);
// Set the prototype explicitly.
Object.setPrototypeOf(this, OperationFailedError.prototype);
}
}
/**
* Run an operation and call the onOpError callback
* when there was an exception or operation error that must be reported.
* The cause will be re-thrown to the caller.
*/
export async function guardOperationException<T>(
op: () => Promise<T>,
onOpError: (e: OperationError) => Promise<void>,
): Promise<T> {
try {
return await op();
} catch (e) {
console.log("guard: caught exception");
if (e instanceof OperationFailedAndReportedError) {
throw e;
}
if (e instanceof OperationFailedError) {
await onOpError(e.err);
throw new OperationFailedAndReportedError(e.message);
}
if (e instanceof Error) {
console.log("guard: caught Error");
await onOpError({
type: "exception",
message: e.message,
details: {},
});
throw new OperationFailedAndReportedError(e.message);
}
console.log("guard: caught something else");
await onOpError({
type: "exception",
message: "non-error exception thrown",
details: {
value: e.toString(),
},
});
throw new OperationFailedAndReportedError(e.message);
}
}
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