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36 lines
1.5 KiB
36 lines
1.5 KiB
import fs from "node:fs";
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import path from "node:path";
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import { sendStream, setHeader } from "h3";
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import { getExportTaskForUser } from "#server/service/export/jobs";
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export default defineWrappedResponseHandler(async (event) => {
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const user = await event.context.auth.requireUser();
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const idRaw = getRouterParam(event, "id");
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const taskId = Number(idRaw);
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if (!Number.isInteger(taskId) || taskId < 1) {
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throw createError({ statusCode: 400, statusMessage: "无效的任务 id" });
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}
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const task = await getExportTaskForUser(taskId, user.id);
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if (!task) {
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throw createError({ statusCode: 404, statusMessage: "导出任务不存在" });
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}
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if (task.status !== "succeeded") {
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throw createError({ statusCode: 409, statusMessage: "导出任务尚未完成" });
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}
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if (!task.expiresAt || task.expiresAt.getTime() <= Date.now()) {
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throw createError({ statusCode: 410, statusMessage: "导出结果已过期" });
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}
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if (!task.outputDir || !task.outputName) {
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throw createError({ statusCode: 500, statusMessage: "导出结果缺失" });
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}
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const manifestPath = path.resolve(task.outputDir, "manifest.json");
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if (!fs.existsSync(manifestPath)) {
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throw createError({ statusCode: 404, statusMessage: "导出文件不存在" });
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}
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setHeader(event, "Content-Type", "application/json; charset=utf-8");
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setHeader(event, "Content-Disposition", `attachment; filename="${task.outputName}-manifest.json"`);
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return sendStream(event, fs.createReadStream(manifestPath));
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});
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