From 8c72d66d872a14d0139f6c8a43b53b1a4c866985 Mon Sep 17 00:00:00 2001
From: Hayden <64056131+hay-kot@users.noreply.github.com>
Date: Mon, 6 Mar 2023 20:55:29 -0900
Subject: [PATCH] add custom validator

---
 backend/internal/sys/validate/validate.go | 41 ++++++++++++++++++++++-
 1 file changed, 40 insertions(+), 1 deletion(-)

diff --git a/backend/internal/sys/validate/validate.go b/backend/internal/sys/validate/validate.go
index 4a4b7a9..3943b48 100644
--- a/backend/internal/sys/validate/validate.go
+++ b/backend/internal/sys/validate/validate.go
@@ -1,11 +1,50 @@
 package validate
 
-import "github.com/go-playground/validator/v10"
+import (
+	"strings"
+
+	"github.com/go-playground/validator/v10"
+)
 
 var validate *validator.Validate
 
 func init() {
 	validate = validator.New()
+
+	validate.RegisterValidation("shoutrrr", func(fl validator.FieldLevel) bool {
+		prefixes := [...]string{
+			"discord://",
+			"smtp://",
+			"gotify://",
+			"googlechat://",
+			"ifttt://",
+			"join://",
+			"mattermost://",
+			"matrix://",
+			"opsgenie://",
+			"pushbullet://",
+			"pushover://",
+			"rocketchat://",
+			"slack://",
+			"teams://",
+			"telegram://",
+			"zulip://",
+		}
+
+		str := fl.Field().String()
+		if str == "" {
+			return false
+		}
+
+		for _, prefix := range prefixes {
+			if strings.HasPrefix(str, prefix) {
+				return true
+			}
+		}
+
+		return false
+	})
+
 }
 
 // Checks a struct for validation errors and returns any errors the occur. This