家长端新增家庭管理:成员列表+生成邀请码,第二位家长凭码注册加入

src/app/parent/actions.ts

@@ -5,7 +5,7 @@ import { and, eq, sql } from "drizzle-orm";
 import { revalidatePath } from "next/cache";
 import { z } from "zod";
 import { db } from "@/db";
-import { activationCodes, sessions, taskInstances, taskTemplates, users } from "@/db/schema";
+import { activationCodes, familyInvites, sessions, taskInstances, taskTemplates, users } from "@/db/schema";
 import { SUBJECT_VALUES } from "@/db/schema";
 import { todayStr } from "@/lib/dates";
 import { ensureDay } from "@/lib/tasks";
@@ -51,6 +51,21 @@ export async function createActivationCode(
   return { code, childName: child.displayName };
 }
 
+// xuchao: 生成家庭邀请码(6 位,15 分钟一次性),对方凭码在 /register 注册加入
+export async function generateFamilyInvite(): Promise<{ code?: string; error?: string }> {
+  const parent = await getSessionUser();
+  if (!parent || parent.role !== "parent") return { error: "请先以家长身份登录" };
+
+  const code = String(crypto.randomInt(0, 1_000_000)).padStart(6, "0");
+  await db.insert(familyInvites).values({
+    familyId: parent.familyId,
+    codeHash: hashCode(code),
+    createdBy: parent.id,
+    expiresAt: new Date(Date.now() + 15 * 60_000),
+  });
+  return { code };
+}
+
 // 家长补卡 / 撤销补卡:仅限过去的日期,补卡记录永久带标记
 export async function makeupTask(instanceId: number, done: boolean) {
   const parent = await getSessionUser();