email service and template using resend

features/admin/actions.ts

@@ -6,6 +6,8 @@ import { authOptions } from "@/lib/auth";
 import { isAdminEmail } from "@/lib/admin";
 import { userService } from "@/server/services/user.service";
 import { auditLog } from "@/server/services/audit-log.service";
+import { emailService } from "@/lib/email/send";
+import { userRepo } from "@/server/repositories/user.repo";
 
 export async function suspendUserAction(userId: string, reason: string) {
   const session = await getServerSession(authOptions);
@@ -29,6 +31,10 @@ export async function suspendUserAction(userId: string, reason: string) {
       entityId: userId,
       payload: { reason: reason.trim() },
     });
+
+    // Notif email user — due process: kasih tahu alasan + cara appeal.
+    void notifySuspended(userId, reason.trim());
+
     revalidatePath("/admin/users");
     revalidatePath(`/admin/users/${userId}`);
     return { success: true as const };
@@ -37,6 +43,21 @@ export async function suspendUserAction(userId: string, reason: string) {
   }
 }
 
+async function notifySuspended(userId: string, reason: string) {
+  const target = await userRepo.findById(userId);
+  if (!target) return;
+  await emailService.send({
+    to: target.email,
+    // Suspend bisa di-trigger berulang — sertakan timestamp supaya tiap suspend
+    // baru dapat email baru.
+    idempotencyKey: `account_suspended-${userId}-${Date.now()}`,
+    template: {
+      template: "account_suspended",
+      data: { userName: target.name, reason },
+    },
+  });
+}
+
 export async function unsuspendUserAction(userId: string) {
   const session = await getServerSession(authOptions);
   if (!session?.user) {