From d12ac44fe16fc0369217dc8e05e22d714f6aa4bc Mon Sep 17 00:00:00 2001
From: 0xCA <undefined>
Date: Wed, 27 Dec 2023 08:26:41 +0500
Subject: [PATCH] Fix duplicated IP suggestions

---
 handler/routes.go | 11 +++++++++--
 1 file changed, 9 insertions(+), 2 deletions(-)

diff --git a/handler/routes.go b/handler/routes.go
index 1937985..0358750 100644
--- a/handler/routes.go
+++ b/handler/routes.go
@@ -1034,6 +1034,9 @@ func SuggestIPAllocation(db store.IStore) echo.HandlerFunc {
 			searchCIDRList = append(searchCIDRList, server.Interface.Addresses...)
 		}
 
+		// Save only unique IPs
+		ipSet := make(map[string]struct{})
+
 		for _, cidr := range searchCIDRList {
 			ip, err := util.GetAvailableIP(cidr, allocatedIPs, server.Interface.Addresses)
 			if err != nil {
@@ -1042,9 +1045,9 @@ func SuggestIPAllocation(db store.IStore) echo.HandlerFunc {
 			}
 			found = true
 			if strings.Contains(ip, ":") {
-				suggestedIPs = append(suggestedIPs, fmt.Sprintf("%s/128", ip))
+				ipSet[fmt.Sprintf("%s/128", ip)] = struct{}{}
 			} else {
-				suggestedIPs = append(suggestedIPs, fmt.Sprintf("%s/32", ip))
+				ipSet[fmt.Sprintf("%s/32", ip)] = struct{}{}
 			}
 		}
 
@@ -1055,6 +1058,10 @@ func SuggestIPAllocation(db store.IStore) echo.HandlerFunc {
 			})
 		}
 
+		for ip := range ipSet {
+			suggestedIPs = append(suggestedIPs, ip)
+		}
+
 		return c.JSON(http.StatusOK, suggestedIPs)
 	}
 }