0.6 rust重构01

wolai-frontend/convex/_utils/documentRecord.ts

@@ -0,0 +1,73 @@
+type DocumentRecordLike = {
+  _id: unknown;
+  id?: string | null;
+  user_id?: string | null;
+  parent_id?: string | null;
+  deleted_at?: string | null;
+  created_at?: string | null;
+  updated_at?: string | null;
+};
+
+export function compareDocumentCanonicalOrder(a: DocumentRecordLike, b: DocumentRecordLike): number {
+  const aDeleted = a?.deleted_at != null;
+  const bDeleted = b?.deleted_at != null;
+  if (aDeleted !== bDeleted) {
+    return aDeleted ? 1 : -1;
+  }
+
+  const updatedA = String(a?.updated_at ?? "");
+  const updatedB = String(b?.updated_at ?? "");
+  if (updatedA !== updatedB) {
+    return updatedB.localeCompare(updatedA);
+  }
+
+  const createdA = String(a?.created_at ?? "");
+  const createdB = String(b?.created_at ?? "");
+  if (createdA !== createdB) {
+    return createdB.localeCompare(createdA);
+  }
+
+  return String(a?._id ?? "").localeCompare(String(b?._id ?? ""));
+}
+
+export function pickCanonicalDocumentRecord<T extends DocumentRecordLike>(records: T[]): T | null {
+  if (records.length === 0) return null;
+  return [...records].sort(compareDocumentCanonicalOrder)[0] ?? null;
+}
+
+export async function getCanonicalDocumentByBusinessId<T extends DocumentRecordLike>(
+  ctx: any,
+  documentId: string,
+): Promise<T | null> {
+  const records = await ctx.db
+    .query("documents")
+    .withIndex("by_document_id", (q: any) => q.eq("id", documentId))
+    .collect();
+  return pickCanonicalDocumentRecord(records) as T | null;
+}
+
+export async function getCanonicalParentDocumentId(
+  ctx: any,
+  documentId: string | null | undefined,
+): Promise<string | null> {
+  const normalizedId = String(documentId ?? "").trim();
+  if (!normalizedId) return null;
+
+  const doc = await getCanonicalDocumentByBusinessId<DocumentRecordLike>(ctx, normalizedId);
+  return doc?.parent_id ?? null;
+}
+
+export async function requireCanonicalOwnedDocument<T extends DocumentRecordLike & { user_id?: string | null }>(
+  ctx: any,
+  documentId: string,
+  userId: string,
+): Promise<T> {
+  const doc = await getCanonicalDocumentByBusinessId<T>(ctx, documentId);
+  if (!doc) {
+    throw new Error("页面不存在");
+  }
+  if (String(doc.user_id ?? "") !== String(userId)) {
+    throw new Error("无权限");
+  }
+  return doc;
+}