feat(roles): let each section decide who may assign work to others

Section access now only creates a record for yourself. Assigning it to a colleague requires a separate permission on that section.

Co-authored-by: Cursor <cursoragent@cursor.com>

apps/api/src/common/assign-access.ts

@@ -0,0 +1,62 @@
+import { ForbiddenException } from '@nestjs/common';
+import {
+  ASSIGN_SECTION_PERMISSION,
+  type AssignSection,
+} from '@mento/shared';
+import type { PrismaService } from '../prisma/prisma.service';
+import { elevated } from './record-scope';
+
+const ASSIGN_NOUN: Record<AssignSection, string> = {
+  customers: 'مشتری',
+  leads: 'لید',
+  sales: 'معامله',
+  activities: 'فعالیت',
+  routines: 'کار روتین',
+  projects: 'کارت پروژه',
+  tickets: 'تیکت',
+};
+
+type AssignActor = { userId: string; role: string; organizationId: string };
+
+export function assignOthersDeniedMessage(section: AssignSection): string {
+  return `تخصیص ${ASSIGN_NOUN[section]} به دیگران برای نقش شما مجاز نیست. فقط می‌توانید برای خودتان ثبت کنید.`;
+}
+
+export async function actorCanAssignToOthers(
+  prisma: PrismaService,
+  actor: AssignActor,
+  section: AssignSection,
+): Promise<boolean> {
+  if (elevated(actor.role)) return true;
+  const membership = await prisma.membership.findFirst({
+    where: {
+      userId: actor.userId,
+      organizationId: actor.organizationId,
+      isActive: true,
+    },
+    select: { orgRole: { select: { permissions: true } } },
+  });
+  const permissions = membership?.orgRole?.permissions;
+  const key = ASSIGN_SECTION_PERMISSION[section];
+  return Array.isArray(permissions) && permissions.includes(key);
+}
+
+/**
+ * بدون مجوز همان بخش، مجموعهٔ مسئولانِ غیر از خود کاربر نباید عوض شود.
+ * ثبت تازه یعنی قبلی خالی است، پس فقط خود کاربر مجاز است.
+ */
+export async function assertAssigneeSet(
+  prisma: PrismaService,
+  actor: AssignActor,
+  section: AssignSection,
+  nextIds: Array<string | null | undefined>,
+  previousIds: Array<string | null | undefined> = [],
+): Promise<void> {
+  if (await actorCanAssignToOthers(prisma, actor, section)) return;
+  const prev = new Set(
+    previousIds.filter((id): id is string => Boolean(id) && id !== actor.userId),
+  );
+  const next = nextIds.filter((id): id is string => Boolean(id) && id !== actor.userId);
+  const changed = next.length !== prev.size || next.some((id) => !prev.has(id));
+  if (changed) throw new ForbiddenException(assignOthersDeniedMessage(section));
+}

apps/api/src/common/record-scope.ts

@@ -225,8 +225,10 @@ export function noteAccessWhere(
 export function resolveOwnerId(
   actor: Pick<Actor, 'userId' | 'role'>,
   requested?: string | null,
+  allowOthers?: boolean,
 ): string {
-  if (elevated(actor.role) && requested?.trim()) {
+  const allowed = allowOthers ?? elevated(actor.role);
+  if (allowed && requested?.trim()) {
     return requested.trim();
   }
   return actor.userId;