From e2846fb6131b41205f2936c9369713cbf70c5249 Mon Sep 17 00:00:00 2001
From: Christian Raphael Heryanto <christian.raphael@ui.ac.id>
Date: Fri, 28 Mar 2025 11:44:53 +0800
Subject: [PATCH] Implement unsubscribe function in Notification service.

---
 src/service/notification.rs | 13 +++++++++++++
 1 file changed, 13 insertions(+)

diff --git a/src/service/notification.rs b/src/service/notification.rs
index ab5a592..e436841 100644
--- a/src/service/notification.rs
+++ b/src/service/notification.rs
@@ -16,4 +16,17 @@ impl NotificationService {
         let subscriber_result: Subscriber = SubscriberRepository::add(product_type_str, subscriber);
         return Ok(subscriber_result);
     }
+
+    pub fn unsubscribe(product_type: &str, url: &str) -> Result<Subscriber> {
+        let product_type_upper: String = product_type.to_uppercase();
+        let product_type_str: &str = product_type_upper.as_str();
+        let result: Option<Subscriber> = SubscriberRepository::delete(product_type_str, url);
+        if result.is_none() {
+            return Err(compose_error_response(
+                Status::NotFound,
+                String::from("Subscriber not found"),
+            ));
+        }
+        return Ok(result.unwrap());
+    }
 }
-- 
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