449 lines
24 KiB
TypeScript
449 lines
24 KiB
TypeScript
import crypto from "node:crypto";
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import type { CanvasConnection, CanvasNode, CanvasSnapshot } from "./types.js";
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export type CanvasResourceSummary = {
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nodeId: string;
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nodeTitle: string;
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nodeType: CanvasNode["type"];
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status?: string;
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resourceId?: string;
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storageKey?: string;
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assetId?: string;
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assetCategory?: string;
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mimeType?: string;
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bytes?: number;
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width?: number;
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height?: number;
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durationMs?: number;
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isReady: boolean;
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};
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export type CanvasGenerationTaskSummary = {
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taskId: string;
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nodeId: string;
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nodeTitle: string;
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mode?: string;
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nodeStatus: string;
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status: string;
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progress?: number;
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stage?: string;
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provider?: string;
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errorCode?: string;
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officialStatus?: string;
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resourceReady: boolean;
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};
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export type CanvasContext = {
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schemaVersion: 1;
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revision: number;
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stateHash: string;
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canvas: {
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projectId?: string;
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domainProjectId?: string;
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title?: string;
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viewport?: CanvasSnapshot["viewport"];
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nodeCount: number;
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connectionCount: number;
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selectedNodeCount: number;
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nodeTypeCounts: Record<string, number>;
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};
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selection: ReturnType<typeof compactContextNode>[];
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nodes: ReturnType<typeof compactContextNode>[];
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connections: Array<{
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id: string;
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fromNodeId: string;
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fromTitle: string;
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toNodeId: string;
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toTitle: string;
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fromHandleId?: string;
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toHandleId?: string;
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}>;
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resources: CanvasResourceSummary[];
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warnings: string[];
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};
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export function buildCanvasContext(state: CanvasSnapshot | null): CanvasContext {
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if (!state) throw new Error("当前没有已连接画布");
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const nodes = state.nodes || [];
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const nodeById = new Map(nodes.map((node) => [node.id, node]));
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const selectedIds = new Set(state.selectedNodeIds || []);
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const nodeTypeCounts = nodes.reduce<Record<string, number>>((counts, node) => {
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counts[node.type] = (counts[node.type] || 0) + 1;
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return counts;
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}, {});
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const resources = nodes.flatMap((node) => {
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const resource = resourceSummary(node);
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return resource ? [resource] : [];
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});
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const warnings: string[] = [];
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if (!nodes.length) warnings.push("画布为空；创建前先确认用户要放置的区域或使用默认网格布局。");
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if (nodes.some((node) => node.metadata?.status === "error")) warnings.push("画布中存在生成失败节点；重试前应读取节点的 errorDetails 或 generationErrorCode。");
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if (resources.some((resource) => !resource.isReady)) warnings.push("存在尚未就绪或缺少持久化资源引用的媒体节点；不要把占位节点当作可用参考素材。");
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return {
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schemaVersion: 1,
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revision: state.revision ?? 0,
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stateHash: hashState(state),
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canvas: {
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projectId: state.projectId,
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domainProjectId: state.domainProjectId,
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title: state.title,
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viewport: state.viewport,
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nodeCount: nodes.length,
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connectionCount: (state.connections || []).length,
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selectedNodeCount: selectedIds.size,
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nodeTypeCounts,
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},
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selection: nodes.filter((node) => selectedIds.has(node.id)).map(compactContextNode),
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nodes: nodes.map(compactContextNode),
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connections: (state.connections || []).map((connection) => connectionSummary(connection, nodeById)),
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resources,
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warnings,
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};
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}
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export function findCanvasNodes(state: CanvasSnapshot | null, input: { query?: string; ids?: string[]; types?: string[]; statuses?: string[]; resourceOnly?: boolean; limit?: number }) {
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if (!state) throw new Error("当前没有已连接画布");
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const query = input.query?.trim().toLocaleLowerCase();
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const ids = input.ids?.length ? new Set(input.ids) : null;
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const types = input.types?.length ? new Set(input.types) : null;
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const statuses = input.statuses?.length ? new Set(input.statuses) : null;
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const limit = Math.min(Math.max(input.limit || 50, 1), 200);
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const nodes = (state.nodes || []).filter((node) => {
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const metadata = node.metadata || {};
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if (ids && !ids.has(node.id)) return false;
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if (types && !types.has(node.type)) return false;
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if (statuses && !statuses.has(String(metadata.status || "idle"))) return false;
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if (input.resourceOnly && !resourceSummary(node)) return false;
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if (!query) return true;
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return [node.id, node.title, metadata.content, metadata.prompt, metadata.composerContent, metadata.assetId, Array.isArray(metadata.assetTags) ? metadata.assetTags.join(" ") : "", metadata.workflowKind, metadata.workflowTitle, metadata.characterName]
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.some((value) => String(value || "").toLocaleLowerCase().includes(query));
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});
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return { query: input.query || "", total: nodes.length, truncated: nodes.length > limit, nodes: nodes.slice(0, limit).map(compactContextNode) };
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}
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export function getCanvasNode(state: CanvasSnapshot | null, input: { id: string }) {
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if (!state) throw new Error("当前没有已连接画布");
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const node = (state.nodes || []).find((candidate) => candidate.id === input.id);
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if (!node) return { found: false, id: input.id, node: null, connections: [] };
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const nodeById = new Map((state.nodes || []).map((candidate) => [candidate.id, candidate]));
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const connections = (state.connections || [])
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.filter((connection) => connection.fromNodeId === node.id || connection.toNodeId === node.id)
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.map((connection) => connectionSummary(connection, nodeById));
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return {
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found: true,
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id: node.id,
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node: compactContextNode(node),
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resource: resourceSummary(node),
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connections,
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};
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}
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export function getCanvasConnection(state: CanvasSnapshot | null, input: { id: string }) {
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if (!state) throw new Error("当前没有已连接画布");
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const connection = (state.connections || []).find((candidate) => candidate.id === input.id);
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if (!connection) return { found: false, id: input.id, connection: null };
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const nodeById = new Map((state.nodes || []).map((candidate) => [candidate.id, candidate]));
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return {
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found: true,
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id: connection.id,
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connection: connectionSummary(connection, nodeById),
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fromNode: nodeById.get(connection.fromNodeId) ? compactContextNode(nodeById.get(connection.fromNodeId)!) : null,
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toNode: nodeById.get(connection.toNodeId) ? compactContextNode(nodeById.get(connection.toNodeId)!) : null,
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};
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}
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export function getCanvasGenerationTasks(state: CanvasSnapshot | null, input: { status?: string; nodeIds?: string[]; limit?: number }) {
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if (!state) throw new Error("当前没有已连接画布");
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const nodeIds = input.nodeIds?.length ? new Set(input.nodeIds) : null;
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const tasks = (state.nodes || []).flatMap<CanvasGenerationTaskSummary>((node) => {
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const metadata = node.metadata || {};
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const taskId = stringValue(metadata.taskId);
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if (!taskId || (nodeIds && !nodeIds.has(node.id))) return [];
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const status = stringValue(metadata.taskStatus) || stringValue(metadata.status) || "unknown";
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if (input.status && status !== input.status) return [];
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const resource = resourceSummary(node);
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return [{
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taskId,
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nodeId: node.id,
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nodeTitle: node.title || "未命名节点",
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mode: stringValue(metadata.generationMode),
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nodeStatus: stringValue(metadata.status) || "idle",
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status,
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progress: numberValue(metadata.taskProgress ?? metadata.progress),
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stage: stringValue(metadata.taskStage),
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provider: stringValue(metadata.taskProvider),
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errorCode: stringValue(metadata.taskErrorCode || metadata.generationErrorCode),
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officialStatus: stringValue(metadata.taskOfficialStatus),
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resourceReady: Boolean(resource?.isReady),
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}];
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});
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const limit = Math.min(Math.max(input.limit || 100, 1), 200);
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return { total: tasks.length, truncated: tasks.length > limit, tasks: tasks.slice(0, limit) };
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}
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export function getCanvasResources(state: CanvasSnapshot | null, input: { nodeIds?: string[]; status?: string; limit?: number }) {
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if (!state) throw new Error("当前没有已连接画布");
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const nodeIds = input.nodeIds?.length ? new Set(input.nodeIds) : null;
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const limit = Math.min(Math.max(input.limit || 100, 1), 300);
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const resources = (state.nodes || []).flatMap((node) => {
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if (nodeIds && !nodeIds.has(node.id)) return [];
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const resource = resourceSummary(node);
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if (!resource || (input.status && resource.status !== input.status)) return [];
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return [resource];
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});
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return { total: resources.length, truncated: resources.length > limit, resources: resources.slice(0, limit) };
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}
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export function validateCanvasOps(state: CanvasSnapshot | null, ops: unknown[]) {
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if (!state) throw new Error("当前没有已连接画布");
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const nodes = state.nodes || [];
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const nodeIds = new Set(nodes.map((node) => node.id));
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const connectionKeys = new Set((state.connections || []).map(connectionKey));
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const liveConnections = new Map<string, { key: string; fromNodeId: string; toNodeId: string }>();
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(state.connections || []).forEach((connection) => {
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liveConnections.set(connection.id, { key: connectionKey(connection), fromNodeId: connection.fromNodeId, toNodeId: connection.toNodeId });
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});
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const issues: Array<{ index: number; severity: "error" | "warning"; message: string }> = [];
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const addedIds = new Set<string>();
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const liveNodeIds = new Set(nodeIds);
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const removeConnection = (id: string) => {
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const connection = liveConnections.get(id);
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if (!connection) return;
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liveConnections.delete(id);
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if (![...liveConnections.values()].some((item) => item.key === connection.key)) connectionKeys.delete(connection.key);
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};
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const requireNode = (index: number, id: unknown, label: string) => {
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if (typeof id !== "string" || !id) issues.push({ index, severity: "error", message: `${label} 缺少节点 id` });
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else if (!liveNodeIds.has(id)) issues.push({ index, severity: "error", message: `${label}「${id}」不在当前画布状态中；先重新读取 canvas_get_context 或 canvas_find_nodes` });
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};
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ops.forEach((raw, index) => {
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if (!raw || typeof raw !== "object" || Array.isArray(raw)) {
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issues.push({ index, severity: "error", message: "操作必须是对象" });
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return;
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}
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const op = raw as Record<string, unknown>;
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switch (op.type) {
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case "add_node":
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if (op.nodeType !== undefined && !["image", "text", "script", "config", "video", "audio", "frame"].includes(String(op.nodeType))) issues.push({ index, severity: "error", message: `新增节点类型「${String(op.nodeType)}」不受支持` });
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validateFiniteNumber(issues, index, op.x, "x 坐标");
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validateFiniteNumber(issues, index, op.y, "y 坐标");
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validatePosition(issues, index, op.position, "position");
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validatePositiveNumber(issues, index, op.width, "节点宽度");
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validatePositiveNumber(issues, index, op.height, "节点高度");
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if (typeof op.id === "string") {
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if (nodeIds.has(op.id) || addedIds.has(op.id)) issues.push({ index, severity: "error", message: `新增节点 id「${op.id}」重复` });
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addedIds.add(op.id);
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liveNodeIds.add(op.id);
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}
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break;
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case "update_node": {
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requireNode(index, op.id, "更新目标");
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const targetNode = nodes.find((node) => node.id === op.id);
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if (op.patch && typeof op.patch === "object" && !Array.isArray(op.patch)) {
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const patch = op.patch as Record<string, unknown>;
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if ("id" in patch || "type" in patch) issues.push({ index, severity: "error", message: "不能通过 update_node 修改节点 id 或类型" });
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validateFiniteNumber(issues, index, patch.x, "节点 x 坐标");
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validateFiniteNumber(issues, index, patch.y, "节点 y 坐标");
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validatePosition(issues, index, patch.position, "节点 position");
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validatePositiveNumber(issues, index, patch.width, "节点宽度");
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validatePositiveNumber(issues, index, patch.height, "节点高度");
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}
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const metadata = op.metadata && typeof op.metadata === "object" && !Array.isArray(op.metadata) ? op.metadata as Record<string, unknown> : null;
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const patchMetadata = op.patch && typeof op.patch === "object" && !Array.isArray(op.patch) && (op.patch as Record<string, unknown>).metadata && typeof (op.patch as Record<string, unknown>).metadata === "object" && !Array.isArray((op.patch as Record<string, unknown>).metadata) ? (op.patch as Record<string, unknown>).metadata as Record<string, unknown> : null;
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if (isMediaNodeType(targetNode?.type) && ((metadata && "status" in metadata) || (patchMetadata && "status" in patchMetadata))) issues.push({ index, severity: "error", message: "不能直接修改媒体节点 status；生成状态必须由任务结果回写" });
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break;
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}
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case "run_generation":
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requireNode(index, op.nodeId, "生成目标");
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if (typeof op.mode === "string") {
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const node = nodes.find((item) => item.id === op.nodeId);
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if (node && op.mode !== node.type && !(op.mode === "text" && node.type === "script")) issues.push({ index, severity: "error", message: `生成模式「${op.mode}」与节点类型「${node.type}」不匹配` });
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}
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break;
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case "delete_node": {
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const ids = Array.isArray(op.ids) ? op.ids : (typeof op.id === "string" ? [op.id] : op.nodeType ? nodes.filter((node) => node.type === op.nodeType).map((node) => node.id) : []);
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if (!ids.length) issues.push({ index, severity: "error", message: "删除节点必须提供 id、ids 或 nodeType" });
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const unique = new Set(ids);
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if (unique.size !== ids.length) issues.push({ index, severity: "error", message: "删除节点 id 不能重复" });
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ids.forEach((id) => requireNode(index, id, "删除目标"));
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ids.forEach((id) => liveNodeIds.delete(id));
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for (const [connectionId, connection] of liveConnections) if (ids.includes(connection.fromNodeId) || ids.includes(connection.toNodeId)) removeConnection(connectionId);
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break;
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}
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case "connect_nodes": {
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requireNode(index, op.fromNodeId, "连接起点");
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requireNode(index, op.toNodeId, "连接终点");
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if (op.fromNodeId === op.toNodeId) issues.push({ index, severity: "error", message: "不能连接节点自身" });
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if (typeof op.id === "string" && liveConnections.has(op.id)) issues.push({ index, severity: "error", message: `连线 id「${op.id}」重复` });
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const key = connectionKey(op as CanvasConnection);
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if (connectionKeys.has(key)) issues.push({ index, severity: "error", message: "相同端点和 handle 的连线已存在" });
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connectionKeys.add(key);
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liveConnections.set(typeof op.id === "string" ? op.id : `__anonymous_${index}`, { key, fromNodeId: String(op.fromNodeId), toNodeId: String(op.toNodeId) });
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break;
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}
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case "select_nodes":
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if (Array.isArray(op.ids)) op.ids.forEach((id) => requireNode(index, id, "选区节点"));
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break;
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case "delete_connections":
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if (op.all && (op.id || (Array.isArray(op.ids) && op.ids.length))) issues.push({ index, severity: "error", message: "delete_connections 不能同时使用 all 和 id/ids" });
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if (!op.all && !op.id && !(Array.isArray(op.ids) && op.ids.length)) issues.push({ index, severity: "error", message: "删除连线必须提供 id、ids 或 all=true" });
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const connectionTargets = Array.isArray(op.ids) ? op.ids : (typeof op.id === "string" ? [op.id] : []);
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if (new Set(connectionTargets).size !== connectionTargets.length) issues.push({ index, severity: "error", message: "删除连线 id 不能重复" });
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connectionTargets.filter((id) => !liveConnections.has(id)).forEach((id) => issues.push({ index, severity: "error", message: `连线「${id}」不存在，请先读取 canvas_get_context` }));
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if (op.all) [...liveConnections.keys()].forEach(removeConnection);
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else connectionTargets.forEach(removeConnection);
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break;
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case "set_viewport":
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if (!op.viewport || typeof op.viewport !== "object") issues.push({ index, severity: "error", message: "视口参数无效" });
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else {
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const viewport = op.viewport as Record<string, unknown>;
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validateFiniteNumber(issues, index, viewport.x, "视口 x");
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validateFiniteNumber(issues, index, viewport.y, "视口 y");
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validateFiniteNumber(issues, index, viewport.k, "视口缩放");
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if (typeof viewport.k === "number" && (viewport.k < 0.05 || viewport.k > 8)) issues.push({ index, severity: "error", message: "视口缩放 k 必须在 0.05 到 8 之间" });
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}
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break;
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default:
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issues.push({ index, severity: "error", message: `不支持的操作类型「${String(op.type)}」` });
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}
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});
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const errors = issues.filter((item) => item.severity === "error");
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return { ok: errors.length === 0, issues, operationCount: ops.length, currentStateHash: hashState(state) };
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}
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function validateFiniteNumber(issues: Array<{ index: number; severity: "error" | "warning"; message: string }>, index: number, value: unknown, label: string) {
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if (value !== undefined && (typeof value !== "number" || !Number.isFinite(value))) issues.push({ index, severity: "error", message: `${label}必须是有限数字` });
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}
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function validatePositiveNumber(issues: Array<{ index: number; severity: "error" | "warning"; message: string }>, index: number, value: unknown, label: string) {
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if (value !== undefined && (typeof value !== "number" || !Number.isFinite(value) || value <= 0)) issues.push({ index, severity: "error", message: `${label}必须是正数` });
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}
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function validatePosition(issues: Array<{ index: number; severity: "error" | "warning"; message: string }>, index: number, value: unknown, label: string) {
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if (value === undefined) return;
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if (!value || typeof value !== "object" || Array.isArray(value)) {
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issues.push({ index, severity: "error", message: `${label}必须是包含 x/y 的对象` });
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return;
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}
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const position = value as Record<string, unknown>;
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validateFiniteNumber(issues, index, position.x, `${label}.x`);
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validateFiniteNumber(issues, index, position.y, `${label}.y`);
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}
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function connectionKey(connection: Pick<CanvasConnection, "fromNodeId" | "toNodeId" | "fromHandleId" | "toHandleId">) {
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return [connection.fromNodeId, connection.toNodeId, connection.fromHandleId || "", connection.toHandleId || ""].join("\0");
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}
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function isMediaNodeType(type: CanvasNode["type"] | undefined) {
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return type === "image" || type === "video" || type === "audio";
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}
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export function hashState(state: CanvasSnapshot) {
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return crypto.createHash("sha256").update(stableStringify({
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projectId: state.projectId,
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domainProjectId: state.domainProjectId,
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title: state.title,
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nodes: state.nodes || [],
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connections: state.connections || [],
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selectedNodeIds: state.selectedNodeIds || [],
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viewport: state.viewport,
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})).digest("hex").slice(0, 16);
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}
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function compactContextNode(node: CanvasNode) {
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const metadata = node.metadata || {};
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const resource = resourceSummary(node);
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return {
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id: node.id,
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type: node.type,
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title: node.title || "未命名节点",
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position: node.position,
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size: { width: node.width, height: node.height },
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parentId: node.parentId,
|
||
status: String(metadata.status || "idle"),
|
||
content: preview(metadata.content, 240),
|
||
prompt: preview(metadata.prompt || metadata.composerContent, 300),
|
||
generation: metadata.generationMode || metadata.workflowKind || metadata.taskId ? {
|
||
mode: metadata.generationMode,
|
||
model: metadata.model,
|
||
workflowKind: metadata.workflowKind,
|
||
workflowTitle: metadata.workflowTitle,
|
||
taskId: metadata.taskId,
|
||
status: metadata.taskStatus || metadata.status,
|
||
progress: numberValue(metadata.taskProgress ?? metadata.progress),
|
||
stage: metadata.taskStage,
|
||
provider: metadata.taskProvider,
|
||
errorCode: metadata.taskErrorCode || metadata.generationErrorCode,
|
||
} : undefined,
|
||
error: metadata.status === "error" ? preview(metadata.errorDetails || metadata.generationErrorCode, 360) : undefined,
|
||
asset: metadata.assetId || metadata.characterAssetId ? {
|
||
assetId: metadata.assetId || metadata.characterAssetId,
|
||
versionId: metadata.characterVersionId,
|
||
category: metadata.assetCategory,
|
||
tags: metadata.assetTags,
|
||
characterName: metadata.characterName,
|
||
} : undefined,
|
||
resource: resource ? { resourceId: resource.resourceId, storageKey: resource.storageKey, mimeType: resource.mimeType, bytes: resource.bytes, width: resource.width, height: resource.height, durationMs: resource.durationMs, ready: resource.isReady } : undefined,
|
||
};
|
||
}
|
||
|
||
function resourceSummary(node: CanvasNode): CanvasResourceSummary | null {
|
||
const metadata = node.metadata || {};
|
||
const storageKey = stringValue(metadata.storageKey);
|
||
const resourceId = storageKey?.startsWith("resource:") ? storageKey.slice("resource:".length) : undefined;
|
||
const hasResourceSignal = Boolean(storageKey || metadata.resourceId || metadata.assetId || metadata.primaryImageId || metadata.mimeType || ["image", "video", "audio"].includes(node.type));
|
||
if (!hasResourceSignal) return null;
|
||
const status = stringValue(metadata.status) || "idle";
|
||
return {
|
||
nodeId: node.id,
|
||
nodeTitle: node.title || "未命名节点",
|
||
nodeType: node.type,
|
||
status,
|
||
resourceId: resourceId || stringValue(metadata.resourceId),
|
||
storageKey,
|
||
assetId: stringValue(metadata.assetId || metadata.characterAssetId),
|
||
assetCategory: stringValue(metadata.assetCategory),
|
||
mimeType: stringValue(metadata.mimeType),
|
||
bytes: numberValue(metadata.bytes),
|
||
width: numberValue(metadata.naturalWidth),
|
||
height: numberValue(metadata.naturalHeight),
|
||
durationMs: numberValue(metadata.durationMs),
|
||
isReady: status === "success" && Boolean(storageKey || metadata.resourceId || metadata.primaryImageId),
|
||
};
|
||
}
|
||
|
||
function connectionSummary(connection: CanvasConnection, nodeById: Map<string, CanvasNode>) {
|
||
return {
|
||
id: connection.id,
|
||
fromNodeId: connection.fromNodeId,
|
||
fromTitle: nodeById.get(connection.fromNodeId)?.title || "未知节点",
|
||
toNodeId: connection.toNodeId,
|
||
toTitle: nodeById.get(connection.toNodeId)?.title || "未知节点",
|
||
fromHandleId: connection.fromHandleId,
|
||
toHandleId: connection.toHandleId,
|
||
};
|
||
}
|
||
|
||
function preview(value: unknown, limit: number) {
|
||
if (typeof value !== "string") return undefined;
|
||
const text = value.trim();
|
||
if (!text) return undefined;
|
||
return text.length > limit ? `${text.slice(0, limit)}…` : text;
|
||
}
|
||
|
||
function stringValue(value: unknown) {
|
||
return typeof value === "string" && value.trim() ? value.trim() : undefined;
|
||
}
|
||
|
||
function numberValue(value: unknown) {
|
||
return typeof value === "number" && Number.isFinite(value) ? value : undefined;
|
||
}
|
||
|
||
function stableStringify(value: unknown): string {
|
||
if (Array.isArray(value)) return `[${value.map(stableStringify).join(",")}]`;
|
||
if (value && typeof value === "object") return `{${Object.entries(value as Record<string, unknown>).sort(([a], [b]) => a.localeCompare(b)).map(([key, item]) => `${JSON.stringify(key)}:${stableStringify(item)}`).join(",")}}`;
|
||
return JSON.stringify(value);
|
||
}
|