67 lines
3.1 KiB
TypeScript
67 lines
3.1 KiB
TypeScript
import type { CanvasCapabilityClientCommand } from "@/lib/canvas/capabilities/client-command";
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import { mergeCanvasSnapshots } from "@/lib/video-canvas/merge-snapshot";
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import { useCanvasStore } from "@/store/canvas";
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import { formatRequestFailure, getRequestFailureDetails } from "@/lib/request-error";
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async function requestCapabilityResult(command: CanvasCapabilityClientCommand) {
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const endpoint = `/api/canvas/${command.projectId}/capabilities`;
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let payload: any = null;
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try {
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const response = await fetch(endpoint, {
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method: "POST",
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headers: { "Content-Type": "application/json" },
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body: JSON.stringify(command),
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});
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payload = await response.json().catch(() => null);
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if (payload?.success === false || (!response.ok && ![502, 503, 504, 524].includes(response.status))) {
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throw Object.assign(new Error(payload?.error || "图片处理请求未通过"), { confirmedRejection: true });
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}
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if (!response.ok) payload = null;
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} catch (error) {
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if ((error as { confirmedRejection?: boolean })?.confirmedRejection) throw error;
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}
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const deadline = Date.now() + 20 * 60 * 1000;
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while (Date.now() < deadline) {
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const task = payload?.task;
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if (task?.status === "succeeded") return payload;
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if (task?.status === "failed") throw new Error(task.error || "图片处理失败，请联系管理员核对任务结果");
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await new Promise(resolve => setTimeout(resolve, 1500));
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try {
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const response = await fetch(`${endpoint}?requestId=${encodeURIComponent(command.requestId)}`, { cache: "no-store", signal: AbortSignal.timeout(12_000) });
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payload = response.ok ? await response.json() : null;
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} catch {
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payload = null;
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}
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}
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throw new Error(formatRequestFailure(getRequestFailureDetails({ providerOutcomeUnknown: true }), command.requestId));
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}
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/** Runs after the editor has saved and while its save queue is reserved. */
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export async function executeCanvasToolbarCapability(
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command: CanvasCapabilityClientCommand,
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) {
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const projectId = command.projectId!;
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const before = useCanvasStore.getState();
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if (before.projectId !== projectId) throw new Error("画布已切换，请重新选择图片");
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const base = JSON.stringify({ canvasData: before.getCanvasState() });
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await requestCapabilityResult(command);
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const projectResponse = await fetch(`/api/canvas/${projectId}`);
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const result = await projectResponse.json();
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if (!projectResponse.ok || !result.success || !result.data?.canvasData) {
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throw new Error(result.error || "结果已生成，但画布同步失败");
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}
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const current = useCanvasStore.getState();
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if (current.projectId !== projectId) return;
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const merged = mergeCanvasSnapshots(
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base,
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JSON.stringify({ canvasData: current.getCanvasState() }),
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JSON.stringify({ canvasData: result.data.canvasData }),
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);
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if (merged.conflicts.length > 0) {
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throw new Error("结果已生成，但画布有冲突；请保留本地改动后刷新查看结果");
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}
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current.loadCanvas(JSON.parse(merged.snapshot).canvasData);
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current.setCanvasRevision(String(result.data.updatedAt), String(result.data.updatedAt));
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}
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