feature: version one notification feature implemented.

backend/src/modules/staff/staff.module.ts

@@ -1,10 +1,12 @@
 import { Module } from '@nestjs/common';
 import { PrismaService } from '../../../prisma/prisma.service';
+import { NotificationsModule } from '../notifications/notifications.module';
 import { StaffController } from './staff.controller';
 import { StaffService } from './staff.service';
 import { StaffWorkingHoursService } from './staff-working-hours.service';
 
 @Module({
+  imports: [NotificationsModule],
   controllers: [StaffController],
   providers: [StaffService, StaffWorkingHoursService, PrismaService],
   exports: [StaffWorkingHoursService],

backend/src/modules/staff/staff.service.ts

@@ -7,7 +7,7 @@ import {
 } from '@nestjs/common';
 import * as bcrypt from 'bcrypt';
 import { createHash, randomBytes } from 'crypto';
-import { Prisma } from '@prisma/client';
+import { Prisma, UserNotificationType } from '@prisma/client';
 import { PrismaService } from '../../../prisma/prisma.service';
 import { AcceptStaffInviteDto } from './dto/accept-staff-invite.dto';
 import { isUnlimitedSeats, normalizeTabPermissions } from '../../common/permissions';
@@ -17,10 +17,14 @@ import {
 } from '../../common/organization-type';
 import { InviteStaffDto } from './dto/invite-staff.dto';
 import { UpdateStaffMemberDto } from './dto/update-staff-member.dto';
+import { UserNotificationService } from '../notifications/user-notification.service';
 
 @Injectable()
 export class StaffService {
-  constructor(private readonly prisma: PrismaService) {}
+  constructor(
+    private readonly prisma: PrismaService,
+    private readonly userNotifications: UserNotificationService,
+  ) {}
 
   getOrganizationIdFromUser(user: { organizationId?: string }) {
     if (!user?.organizationId) {
@@ -217,6 +221,19 @@ export class StaffService {
       };
     });
 
+    void this.userNotifications.notify({
+      organizationId,
+      type: UserNotificationType.STAFF_INVITE,
+      href: '/staff',
+      actorUserId: userId,
+      payload: {
+        membershipId: result.membershipId,
+        staffInvitationId: result.invitationId,
+        email,
+      },
+      requiredPermission: 'TAB_STAFF_READ',
+    });
+
     return {
       success: true,
       data: {