automated email user updates

apps/backend/src/emails/emailTemplates.ts

@@ -98,4 +98,25 @@ export const emailTemplates = {
       <p>Best regards,<br />The Securing Safe Food Team</p>
     `,
   }),
+
+  volunteerPantryAssignmentChanged: (params: {
+    volunteerName: string;
+  }): EmailTemplate => ({
+    subject: 'Your SSF Pantry Assignment has been updated',
+    bodyHTML: `
+      <p>Hi ${params.volunteerName},</p>
+      <p>
+        Your pantry assignment with SSF has been updated. Please log into the platform
+        to review your current assignments and any active requests that may require your attention.
+      </p>
+      <p>
+        Thank you for your continued support of our partners and mission.
+      </p>
+      <p>Best regards,<br />The Securing Safe Food Team</p>
+      <p>
+        To view your pantry assignments, please click the following link:
+        <a href="${EMAIL_REDIRECT_URL}/volunteer-assigned-pantries">${EMAIL_REDIRECT_URL}/volunteer-assigned-pantries</a>
+      </p>
+    `,
+  }),
 };

apps/backend/src/volunteers/volunteers.module.ts

@@ -8,6 +8,7 @@ import { VolunteersService } from './volunteers.service';
 import { UsersModule } from '../users/users.module';
 import { RequestsModule } from '../foodRequests/request.module';
 import { OrdersModule } from '../orders/order.module';
+import { EmailsModule } from '../emails/email.module';
 
 @Module({
   imports: [
@@ -17,6 +18,7 @@ import { OrdersModule } from '../orders/order.module';
     forwardRef(() => AuthModule),
     RequestsModule,
     OrdersModule,
+    EmailsModule,
   ],
   controllers: [VolunteersController],
   providers: [VolunteersService],

apps/backend/src/volunteers/volunteers.service.ts

@@ -9,6 +9,8 @@ import { PantriesService } from '../pantries/pantries.service';
 import { UsersService } from '../users/users.service';
 import { Assignments, VolunteerOrder } from './types';
 import { RequestsService } from '../foodRequests/request.service';
+import { EmailsService } from '../emails/email.service';
+import { emailTemplates } from '../emails/emailTemplates';
 import { OrdersService } from '../orders/order.service';
 import { FoodRequestSummaryDto } from '../foodRequests/dtos/food-request-summary.dto';
 
@@ -20,6 +22,7 @@ export class VolunteersService {
     private usersService: UsersService,
     private pantriesService: PantriesService,
     private requestsService: RequestsService,
+    private emailsService: EmailsService,
     private ordersService: OrdersService,
   ) {}
 
@@ -85,7 +88,15 @@ export class VolunteersService {
     );
 
     volunteer.pantries = [...existingPantries, ...newPantries];
-    return this.repo.save(volunteer);
+    const saved = await this.repo.save(volunteer);
+
+    const { subject, bodyHTML } =
+      emailTemplates.volunteerPantryAssignmentChanged({
+        volunteerName: `${volunteer.firstName} ${volunteer.lastName}`,
+      });
+    await this.emailsService.sendEmails([volunteer.email], subject, bodyHTML);
+
+    return saved;
   }
 
   async findRequestsByVolunteer(