44 lines
2.1 KiB
TypeScript
44 lines
2.1 KiB
TypeScript
import { parseBackendGenerationResult } from "@/services/api/generation-task";
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import type { GenerationTask } from "@/services/api/task-center";
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export type RecoverableCreationTextMessage = {
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mode?: string;
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status?: string;
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content: string;
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error?: string;
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taskIds?: string[];
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};
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export type CreationTextTaskRecovery = {
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status: "done" | "error" | "cancelled";
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content: string;
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error?: string;
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taskIds: string[];
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};
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// 页面重载后只依赖后端任务终态恢复消息，不复用已经中断的浏览器请求。
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export function recoverCreationTextTask(message: RecoverableCreationTextMessage, tasks: GenerationTask[]): CreationTextTaskRecovery | null {
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if (message.mode !== "text" || (message.status !== "streaming" && message.status !== "pending")) return null;
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const taskIds = new Set(message.taskIds || []);
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const matches = tasks.filter((task) => taskIds.has(task.id));
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if (!matches.length || matches.some((task) => task.status === "queued" || task.status === "running")) return null;
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const nextTaskIds = Array.from(new Set([...(message.taskIds || []), ...matches.map((task) => task.id)]));
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const succeeded = matches.find((task) => task.status === "succeeded");
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if (succeeded) {
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try {
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const text = parseBackendGenerationResult(succeeded).text;
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if (!text?.trim()) throw new Error("后端任务没有返回文本");
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return { status: "done", content: text, error: undefined, taskIds: nextTaskIds };
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} catch (error) {
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return { status: "error", content: "生成失败", error: error instanceof Error ? error.message : "文本任务结果格式错误", taskIds: nextTaskIds };
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}
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}
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if (matches.every((task) => task.status === "cancelled")) {
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return { status: "cancelled", content: "已停止", error: undefined, taskIds: nextTaskIds };
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}
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const failed = matches.find((task) => task.status === "failed");
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return { status: "error", content: "生成失败", error: failed?.error || "文本任务已失败", taskIds: nextTaskIds };
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}
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