delete network devices when deleting a network

src/db/models/wireguard.rs

@@ -942,6 +942,28 @@ impl WireguardNetwork<Id> {
             transfer_series,
         })
     }
+
+    pub async fn get_devices_by_type<'e, E>(
+        &self,
+        executor: E,
+        device_type: DeviceType,
+    ) -> Result<Vec<Device<Id>>, SqlxError>
+    where
+        E: PgExecutor<'e>,
+    {
+        query_as!(
+            Device,
+            "SELECT \
+                id, name, wireguard_pubkey, user_id, created, description, device_type \"device_type: DeviceType\", \
+                configured \
+            FROM device WHERE id in (SELECT device_id FROM wireguard_network_device WHERE wireguard_network_id = $1) \
+            AND device_type = $2",
+            self.id,
+            device_type as DeviceType
+        )
+        .fetch_all(executor)
+        .await
+    }
 }
 
 // [`IpNetwork`] does not implement [`Default`]

src/handlers/network_devices.rs

@@ -642,7 +642,7 @@ pub async fn modify_network_device(
         );
     }
 
-    let network_device_info = NetworkDeviceInfo::from_device(device, &mut *transaction).await?;
+    let network_device_info = NetworkDeviceInfo::from_device(device, &mut transaction).await?;
     transaction.commit().await?;
 
     Ok(ApiResponse {

src/handlers/wireguard.rs

@@ -217,7 +217,15 @@ pub async fn delete_network(
     );
     let network = find_network(network_id, &appstate.pool).await?;
     let network_name = network.name.clone();
-    network.delete(&appstate.pool).await?;
+    let mut transaction = appstate.pool.begin().await?;
+    let network_devices = network
+        .get_devices_by_type(&mut *transaction, DeviceType::Network)
+        .await?;
+    for device in network_devices {
+        device.delete(&mut *transaction).await?;
+    }
+    network.delete(&mut *transaction).await?;
+    transaction.commit().await?;
     appstate.send_wireguard_event(GatewayEvent::NetworkDeleted(network_id, network_name));
     info!(
         "User {} deleted WireGuard network {network_id}",