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fluxer_api/src/errors/FluxerAPIError.ts

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+/*
+ * Copyright (C) 2026 Fluxer Contributors
+ *
+ * This file is part of Fluxer.
+ *
+ * Fluxer is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU Affero General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * Fluxer 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 Affero General Public License for more details.
+ *
+ * You should have received a copy of the GNU Affero General Public License
+ * along with Fluxer. If not, see <https://www.gnu.org/licenses/>.
+ */
+
+import {HTTPException} from 'hono/http-exception';
+
+type ErrorStatusCode = 202 | 400 | 401 | 403 | 404 | 423 | 429 | 500;
+
+export type FluxerErrorData = Record<string, unknown>;
+
+export class FluxerAPIError extends HTTPException {
+	code: string;
+	override message: string;
+	override status: ErrorStatusCode;
+	data?: FluxerErrorData;
+	headers?: Record<string, string>;
+
+	constructor({
+		code,
+		message,
+		status,
+		data,
+		headers,
+	}: {
+		code: string;
+		message: string;
+		status: ErrorStatusCode;
+		data?: FluxerErrorData;
+		headers?: Record<string, string>;
+	}) {
+		super(status, {message});
+		this.code = code;
+		this.message = message;
+		this.status = status;
+		this.data = data;
+		this.headers = headers;
+		this.name = 'FluxerAPIError';
+	}
+
+	override getResponse(): Response {
+		return new Response(
+			JSON.stringify({
+				code: this.code,
+				message: this.message,
+				...this.data,
+			}),
+			{
+				status: this.status,
+				headers: {
+					'Content-Type': 'application/json',
+					...this.headers,
+				},
+			},
+		);
+	}
+}