715 lines
22 KiB
TypeScript
715 lines
22 KiB
TypeScript
import { NextResponse } from "next/server";
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import { z } from "zod";
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import { auth } from "@/app/(auth)/auth";
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import {
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getChatById,
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getMessagesByChatId,
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getSystemSetting,
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getUserById,
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saveChat,
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saveMessages,
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} from "@/lib/db/queries";
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import {
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normalizeOpenClawChatConfig,
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OPENCLAW_CHAT_CONFIG_KEY,
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} from "@/lib/openclaw-chat/config";
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import {
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buildClawdCancelKey,
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cancelClawdRequest,
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clearClawdRequestCancellation,
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isClawdRequestCanceled,
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registerActiveClawdRequest,
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unregisterActiveClawdRequest,
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} from "@/lib/openclaw-chat/cancel-registry";
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import {
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buildOpenClawDisplayMessage,
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buildOpenClawMessageWithSpreadsheetMarkdown,
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buildOpenClawSpreadsheetMarkdown,
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} from "@/lib/openclaw-chat/spreadsheet-markdown";
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import {
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normalizeOpenClawChatMediaAttachments,
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OPENCLAW_CHAT_MEDIA_MAX_ATTACHMENTS,
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type OpenClawChatMediaAttachment,
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} from "@/lib/openclaw-chat/media-attachments";
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import { generateUUID } from "@/lib/utils";
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const CLAW_UPGRADE_RETRY_MESSAGE = "claw正在升级更新稍等5分钟再试";
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const requestSchema = z.object({
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id: z.string().uuid(),
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message: z.string().trim().max(8000).optional().default(""),
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displayMessage: z.string().trim().max(8000).optional(),
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userMessageId: z.string().uuid().optional(),
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metadata: z.record(z.unknown()).optional(),
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attachments: z
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.array(z.unknown())
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.max(OPENCLAW_CHAT_MEDIA_MAX_ATTACHMENTS)
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.optional()
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.default([]),
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});
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type ParsedClawdChatRequest = Omit<
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z.infer<typeof requestSchema>,
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"attachments"
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> & {
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attachments: OpenClawChatMediaAttachment[];
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tableFiles: File[];
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};
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type ClawdSpreadsheetAttachment = {
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name: string;
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size: number;
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contentType: string;
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sheetCount: number;
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rowCount: number;
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truncated: boolean;
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};
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function buildChatTitle(message: string) {
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const normalized = message.replace(/\s+/g, " ").trim();
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if (!normalized) return "Claw 对话";
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return normalized.length > 80 ? `${normalized.slice(0, 80)}...` : normalized;
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}
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function createConversationId(userId: string, chatId: string) {
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return `site-user-${userId}-canvas-${chatId}`;
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}
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function getOpenClawUserName(user: {
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id: string;
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name?: string | null;
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email?: string | null;
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}) {
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const name = String(user.name || "").trim();
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if (name) return name;
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const email = String(user.email || "").trim();
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if (email) return email;
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return user.id;
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}
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function getOpenClawDepartmentName(department?: string | null) {
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return String(department || "").trim();
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}
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function isRequestFile(value: FormDataEntryValue): value is File {
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return (
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typeof value === "object" &&
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value !== null &&
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"arrayBuffer" in value &&
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"name" in value &&
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"size" in value
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);
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}
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async function parseClawdChatRequest(
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request: Request
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): Promise<ParsedClawdChatRequest | null> {
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const contentType = request.headers.get("content-type") || "";
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if (!contentType.includes("multipart/form-data")) {
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const parsed = requestSchema.safeParse(await request.json().catch(() => null));
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if (!parsed.success) return null;
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const attachments = normalizeOpenClawChatMediaAttachments(
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parsed.data.attachments
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);
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if (attachments.length !== parsed.data.attachments.length) {
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return null;
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}
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return { ...parsed.data, attachments, tableFiles: [] };
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}
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const formData = await request.formData().catch(() => null);
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if (!formData) return null;
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const metadataValue = formData.get("metadata");
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const attachmentsValue = formData.get("attachments");
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let metadata: Record<string, unknown> | undefined;
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let attachments: unknown[] = [];
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if (typeof metadataValue === "string" && metadataValue.trim()) {
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try {
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const parsedMetadata = JSON.parse(metadataValue);
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if (parsedMetadata && typeof parsedMetadata === "object") {
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metadata = parsedMetadata as Record<string, unknown>;
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} else {
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return null;
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}
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} catch {
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return null;
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}
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}
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if (typeof attachmentsValue === "string" && attachmentsValue.trim()) {
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try {
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const parsedAttachments = JSON.parse(attachmentsValue);
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if (!Array.isArray(parsedAttachments)) {
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return null;
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}
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attachments = parsedAttachments;
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} catch {
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return null;
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}
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}
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const parsed = requestSchema.safeParse({
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id: formData.get("id"),
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message: formData.get("message") || "",
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displayMessage: formData.get("displayMessage") || undefined,
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userMessageId: formData.get("userMessageId") || undefined,
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metadata,
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attachments,
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});
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if (!parsed.success) return null;
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const normalizedAttachments = normalizeOpenClawChatMediaAttachments(
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parsed.data.attachments
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);
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if (normalizedAttachments.length !== parsed.data.attachments.length) {
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return null;
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}
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const tableFiles = formData
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.getAll("tableFiles")
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.filter((entry): entry is File => isRequestFile(entry) && entry.size > 0);
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return {
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...parsed.data,
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attachments: normalizedAttachments,
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tableFiles,
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};
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}
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async function readOpenClawConfig() {
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const setting = await getSystemSetting({ key: OPENCLAW_CHAT_CONFIG_KEY }).catch(
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() => null
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);
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return normalizeOpenClawChatConfig(setting?.value);
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}
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function getOpenClawErrorCode(payload: unknown) {
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if (!payload || typeof payload !== "object") return "";
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const raw = payload as Record<string, unknown>;
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const nestedError =
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raw.error && typeof raw.error === "object"
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? (raw.error as Record<string, unknown>)
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: null;
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const code = nestedError?.code || raw.code;
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return typeof code === "string" ? code.trim() : "";
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}
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function getMetadataString(
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metadata: Record<string, unknown> | undefined,
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key: string
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) {
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const value = metadata?.[key];
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return typeof value === "string" ? value.trim() : "";
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}
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function createCanceledResponse() {
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return NextResponse.json({ canceled: true }, { status: 499 });
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}
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function encodeSseEvent(event: string, payload: unknown) {
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return `event: ${event}\ndata: ${JSON.stringify(payload)}\n\n`;
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}
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function parseSseBlock(block: string) {
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let event = "message";
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const dataLines: string[] = [];
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for (const line of block.split(/\r?\n/)) {
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if (line.startsWith("event:")) {
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event = line.slice(6).trim() || "message";
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} else if (line.startsWith("data:")) {
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dataLines.push(line.slice(5).trimStart());
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}
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}
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if (dataLines.length === 0) return null;
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try {
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return {
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event,
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data: JSON.parse(dataLines.join("\n")) as unknown,
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};
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} catch {
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return null;
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}
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}
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async function persistClawdResponse({
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assistantMessageId,
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attachments,
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chatId,
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conversationId,
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displayMessage,
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skillTagId,
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skillTagName,
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spreadsheetAttachments,
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upstreamPayload,
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userMessageId,
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}: {
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assistantMessageId: string;
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attachments: OpenClawChatMediaAttachment[];
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chatId: string;
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conversationId: string;
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displayMessage: string;
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skillTagId: string;
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skillTagName: string;
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spreadsheetAttachments: ClawdSpreadsheetAttachment[];
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upstreamPayload: Record<string, unknown>;
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userMessageId: string;
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}) {
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const answer = String(upstreamPayload.answer || "").trim();
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if (!answer) {
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throw new Error("OpenClaw returned an empty answer");
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}
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const existingMessages = await getMessagesByChatId({ id: chatId }).catch(
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() => []
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);
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const latestMessageTimestamp = existingMessages.reduce((latest, item) => {
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const timestamp =
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item.createdAt instanceof Date
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? item.createdAt.getTime()
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: Date.parse(String(item.createdAt || ""));
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return Number.isFinite(timestamp) ? Math.max(latest, timestamp) : latest;
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}, 0);
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const userCreatedAt = new Date(
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Math.max(Date.now(), latestMessageTimestamp + 1)
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);
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const assistantCreatedAt = new Date(userCreatedAt.getTime() + 1);
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const userMessage = {
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id: userMessageId,
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chatId,
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role: "user",
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parts: [{ type: "text", text: displayMessage }],
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attachments: attachments.map((attachment) => ({
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name:
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attachment.name ||
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(attachment.type === "video" ? "视频附件" : "图片附件"),
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url: attachment.url,
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contentType:
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attachment.content_type ||
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(attachment.type === "video" ? "video/mp4" : "image/jpeg"),
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})),
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createdAt: userCreatedAt,
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videoStorageStatus: null,
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temporaryVideoUrl: null,
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permanentVideoUrl: null,
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archivedAt: null,
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videoMetadata: {
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composerMode: "clawd",
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source: "openclaw",
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imageAttachmentCount: attachments.filter(
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(attachment) => attachment.type === "image"
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).length,
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videoAttachmentCount: attachments.filter(
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(attachment) => attachment.type === "video"
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).length,
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spreadsheetAttachmentCount: spreadsheetAttachments.length,
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spreadsheetAttachments,
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skillTagId: skillTagId || null,
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skillTagName: skillTagName || null,
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},
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};
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const assistantMessage = {
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id: assistantMessageId,
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chatId,
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role: "assistant",
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parts: [{ type: "text", text: answer }],
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attachments: [],
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createdAt: assistantCreatedAt,
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videoStorageStatus: null,
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temporaryVideoUrl: null,
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permanentVideoUrl: null,
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archivedAt: null,
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videoMetadata: {
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composerMode: "clawd",
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source: "openclaw",
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requestId: upstreamPayload.request_id || null,
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},
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};
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await saveMessages({ messages: [userMessage, assistantMessage] });
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return {
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conversationId,
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requestId: upstreamPayload.request_id || null,
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messages: [
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{
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id: userMessage.id,
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role: "user",
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parts: userMessage.parts,
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createdAt: userMessage.createdAt.toISOString(),
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metadata: {
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createdAt: userMessage.createdAt.toISOString(),
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composerMode: "clawd",
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spreadsheetAttachments,
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},
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attachments: userMessage.attachments,
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videoMetadata: userMessage.videoMetadata,
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},
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{
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id: assistantMessage.id,
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role: "assistant",
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parts: assistantMessage.parts,
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createdAt: assistantMessage.createdAt.toISOString(),
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metadata: {
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createdAt: assistantMessage.createdAt.toISOString(),
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composerMode: "clawd",
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},
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videoMetadata: assistantMessage.videoMetadata,
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},
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],
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};
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}
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export async function POST(request: Request) {
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const session = await auth().catch(() => null);
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if (!session?.user?.id) {
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return NextResponse.json({ error: "Unauthorized" }, { status: 401 });
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}
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const parsed = await parseClawdChatRequest(request);
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if (!parsed) {
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return NextResponse.json({ error: "请求参数不正确" }, { status: 400 });
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}
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if (
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!parsed.message &&
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parsed.tableFiles.length === 0 &&
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parsed.attachments.length === 0
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) {
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return NextResponse.json(
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{ error: "请输入问题或上传附件" },
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{ status: 400 }
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);
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}
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const config = await readOpenClawConfig();
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if (!config.enabled) {
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return NextResponse.json({ error: CLAW_UPGRADE_RETRY_MESSAGE }, { status: 503 });
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}
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if (!config.baseUrl || !config.token) {
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return NextResponse.json(
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{ error: CLAW_UPGRADE_RETRY_MESSAGE },
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{ status: 503 }
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);
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}
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const existingChat = await getChatById({ id: parsed.id }).catch(() => null);
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if (existingChat && existingChat.userId !== session.user.id) {
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return NextResponse.json({ error: "Forbidden" }, { status: 403 });
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}
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const userMessageId = parsed.userMessageId || generateUUID();
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const cancelKey = buildClawdCancelKey({
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userId: session.user.id,
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chatId: parsed.id,
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userMessageId,
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});
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if (isClawdRequestCanceled(cancelKey)) {
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return createCanceledResponse();
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}
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let spreadsheetMarkdownResult: Awaited<
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ReturnType<typeof buildOpenClawSpreadsheetMarkdown>
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> | null = null;
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if (parsed.tableFiles.length > 0) {
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try {
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spreadsheetMarkdownResult = await buildOpenClawSpreadsheetMarkdown(
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parsed.tableFiles
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);
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} catch (error) {
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return NextResponse.json(
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{
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error:
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error instanceof Error ? error.message : "表格解析失败，请检查文件格式",
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},
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{ status: 400 }
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);
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}
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}
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const displayMessage = buildOpenClawDisplayMessage({
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message: parsed.displayMessage || parsed.message,
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files: spreadsheetMarkdownResult?.files || [],
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});
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const upstreamMessage = buildOpenClawMessageWithSpreadsheetMarkdown({
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message: parsed.message,
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spreadsheetMarkdown: spreadsheetMarkdownResult?.markdown || "",
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});
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const spreadsheetAttachments: ClawdSpreadsheetAttachment[] = (
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spreadsheetMarkdownResult?.files || []
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).map((summary, index) => {
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const sourceFile = parsed.tableFiles[index];
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return {
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name: summary.fileName,
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size: sourceFile?.size || 0,
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contentType:
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sourceFile?.type ||
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(summary.fileName.toLowerCase().endsWith(".xlsx")
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? "application/vnd.openxmlformats-officedocument.spreadsheetml.sheet"
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: "text/csv"),
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sheetCount: summary.sheetCount,
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rowCount: summary.rowCount,
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truncated: summary.truncated,
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};
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});
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if (isClawdRequestCanceled(cancelKey)) {
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return createCanceledResponse();
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}
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if (!existingChat) {
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await saveChat({
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id: parsed.id,
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userId: session.user.id,
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title: buildChatTitle(displayMessage),
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visibility: "private",
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});
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}
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const assistantMessageId = generateUUID();
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const conversationId = createConversationId(session.user.id, parsed.id);
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const userProfile = await getUserById({ id: session.user.id }).catch(() => null);
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const openClawUserName = getOpenClawUserName({
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id: session.user.id,
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name: userProfile?.name ?? session.user.name,
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email: userProfile?.email ?? session.user.email,
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});
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const openClawDepartmentName = getOpenClawDepartmentName(userProfile?.department);
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const skillTagId = getMetadataString(parsed.metadata, "skillTagId");
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const skillTagName = getMetadataString(parsed.metadata, "skillTagName");
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const endpoint = `${config.baseUrl}/api/chat`;
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let upstreamPayload: unknown = null;
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let upstreamStatus = 502;
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if (isClawdRequestCanceled(cancelKey)) {
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return createCanceledResponse();
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}
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try {
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const controller = new AbortController();
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registerActiveClawdRequest(cancelKey, controller, config.timeoutMs);
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const timeout = setTimeout(() => controller.abort(), config.timeoutMs);
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const handleRequestAbort = () => {
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cancelClawdRequest(cancelKey);
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};
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request.signal.addEventListener("abort", handleRequestAbort, { once: true });
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const response = await fetch(endpoint, {
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method: "POST",
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headers: {
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Authorization: `Bearer ${config.token}`,
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"Content-Type": "application/json",
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},
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body: JSON.stringify({
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conversation_id: conversationId,
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user_id: session.user.id,
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user_name: openClawUserName,
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username: openClawUserName,
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department: openClawDepartmentName,
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department_name: openClawDepartmentName,
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user_department: openClawDepartmentName,
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skill_tag_id: skillTagId || undefined,
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skill_tag_name: skillTagName || undefined,
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message: upstreamMessage,
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attachments:
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parsed.attachments.length > 0 ? parsed.attachments : undefined,
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metadata: {
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source: "ai_chatbot_canvas",
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page: "/canvas",
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tenant: "default",
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chat_id: parsed.id,
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user_id: session.user.id,
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user_name: openClawUserName,
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username: openClawUserName,
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department: openClawDepartmentName,
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department_name: openClawDepartmentName,
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user_department: openClawDepartmentName,
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skill_tag_id: skillTagId || undefined,
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skill_tag_name: skillTagName || undefined,
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media_attachments:
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parsed.attachments.length > 0 ? parsed.attachments : undefined,
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spreadsheet_files: spreadsheetMarkdownResult?.files || undefined,
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spreadsheet_markdown_truncated:
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spreadsheetMarkdownResult?.truncated || undefined,
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...parsed.metadata,
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},
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stream_progress: true,
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}),
|
|
signal: controller.signal,
|
|
}).finally(() => {
|
|
clearTimeout(timeout);
|
|
request.signal.removeEventListener("abort", handleRequestAbort);
|
|
unregisterActiveClawdRequest(cancelKey);
|
|
});
|
|
|
|
upstreamStatus = response.status;
|
|
const upstreamContentType = response.headers.get("content-type") || "";
|
|
if (
|
|
response.ok &&
|
|
upstreamContentType.includes("text/event-stream") &&
|
|
response.body
|
|
) {
|
|
const encoder = new TextEncoder();
|
|
const decoder = new TextDecoder();
|
|
const stream = new ReadableStream<Uint8Array>({
|
|
async start(streamController) {
|
|
const reader = response.body!.getReader();
|
|
let buffer = "";
|
|
let finalReceived = false;
|
|
try {
|
|
while (true) {
|
|
const { done, value } = await reader.read();
|
|
buffer += decoder.decode(value || new Uint8Array(), {
|
|
stream: !done,
|
|
});
|
|
const blocks = buffer.split(/\r?\n\r?\n/);
|
|
buffer = blocks.pop() || "";
|
|
for (const block of blocks) {
|
|
const parsedEvent = parseSseBlock(block);
|
|
if (!parsedEvent) continue;
|
|
if (parsedEvent.event === "progress") {
|
|
streamController.enqueue(
|
|
encoder.encode(encodeSseEvent("progress", parsedEvent.data))
|
|
);
|
|
continue;
|
|
}
|
|
if (parsedEvent.event !== "final") continue;
|
|
const finalPayload =
|
|
parsedEvent.data &&
|
|
typeof parsedEvent.data === "object" &&
|
|
!Array.isArray(parsedEvent.data)
|
|
? (parsedEvent.data as Record<string, unknown>)
|
|
: {};
|
|
const persisted = await persistClawdResponse({
|
|
assistantMessageId,
|
|
attachments: parsed.attachments,
|
|
chatId: parsed.id,
|
|
conversationId,
|
|
displayMessage,
|
|
skillTagId,
|
|
skillTagName,
|
|
spreadsheetAttachments,
|
|
upstreamPayload: finalPayload,
|
|
userMessageId,
|
|
});
|
|
clearClawdRequestCancellation(cancelKey);
|
|
streamController.enqueue(
|
|
encoder.encode(encodeSseEvent("final", persisted))
|
|
);
|
|
finalReceived = true;
|
|
}
|
|
if (done) break;
|
|
}
|
|
if (!finalReceived) {
|
|
streamController.enqueue(
|
|
encoder.encode(
|
|
encodeSseEvent("error", {
|
|
error: CLAW_UPGRADE_RETRY_MESSAGE,
|
|
})
|
|
)
|
|
);
|
|
}
|
|
} catch (error) {
|
|
console.error("[ClawdChat API] OpenClaw stream failed:", error);
|
|
try {
|
|
streamController.enqueue(
|
|
encoder.encode(
|
|
encodeSseEvent("error", {
|
|
error: CLAW_UPGRADE_RETRY_MESSAGE,
|
|
})
|
|
)
|
|
);
|
|
} catch {
|
|
// The browser may have closed while the upstream task keeps running.
|
|
}
|
|
} finally {
|
|
try {
|
|
streamController.close();
|
|
} catch {
|
|
// The stream may already be canceled by the browser.
|
|
}
|
|
}
|
|
},
|
|
});
|
|
return new Response(stream, {
|
|
headers: {
|
|
"Cache-Control": "no-cache, no-store",
|
|
"Content-Type": "text/event-stream; charset=utf-8",
|
|
"X-Accel-Buffering": "no",
|
|
},
|
|
});
|
|
}
|
|
upstreamPayload = await response.json().catch(() => null);
|
|
|
|
if (!response.ok) {
|
|
const errorCode = getOpenClawErrorCode(upstreamPayload);
|
|
console.error("[ClawdChat API] OpenClaw upstream error:", {
|
|
status: response.status,
|
|
code: errorCode || undefined,
|
|
payload: upstreamPayload,
|
|
});
|
|
return NextResponse.json(
|
|
{
|
|
error: CLAW_UPGRADE_RETRY_MESSAGE,
|
|
code: errorCode || undefined,
|
|
},
|
|
{ status: response.status }
|
|
);
|
|
}
|
|
} catch (error) {
|
|
unregisterActiveClawdRequest(cancelKey);
|
|
const errorName =
|
|
error && typeof error === "object" && "name" in error
|
|
? String((error as { name?: unknown }).name || "")
|
|
: "";
|
|
const isAbortError = errorName === "AbortError";
|
|
if (isClawdRequestCanceled(cancelKey)) {
|
|
console.info("[ClawdChat API] OpenClaw request canceled:", {
|
|
chatId: parsed.id,
|
|
userMessageId,
|
|
});
|
|
return createCanceledResponse();
|
|
}
|
|
console.error("[ClawdChat API] OpenClaw request failed:", error);
|
|
return NextResponse.json(
|
|
{
|
|
error: CLAW_UPGRADE_RETRY_MESSAGE,
|
|
},
|
|
{ status: isAbortError ? 504 : upstreamStatus }
|
|
);
|
|
}
|
|
|
|
const answer =
|
|
upstreamPayload && typeof upstreamPayload === "object"
|
|
? String((upstreamPayload as Record<string, unknown>).answer || "").trim()
|
|
: "";
|
|
|
|
if (!answer) {
|
|
console.error("[ClawdChat API] OpenClaw empty answer:", upstreamPayload);
|
|
return NextResponse.json(
|
|
{ error: CLAW_UPGRADE_RETRY_MESSAGE },
|
|
{ status: 502 }
|
|
);
|
|
}
|
|
|
|
if (isClawdRequestCanceled(cancelKey)) {
|
|
return createCanceledResponse();
|
|
}
|
|
|
|
const persistedResponse = await persistClawdResponse({
|
|
assistantMessageId,
|
|
attachments: parsed.attachments,
|
|
chatId: parsed.id,
|
|
conversationId,
|
|
displayMessage,
|
|
skillTagId,
|
|
skillTagName,
|
|
spreadsheetAttachments,
|
|
upstreamPayload: upstreamPayload as Record<string, unknown>,
|
|
userMessageId,
|
|
});
|
|
clearClawdRequestCancellation(cancelKey);
|
|
return NextResponse.json(persistedResponse);
|
|
}
|