From 0492be9d4a6a5ca7e8f81ef8bf2e1e300349555f Mon Sep 17 00:00:00 2001
From: vicanso <tree.xie@outlook.com>
Date: Thu, 20 Apr 2023 21:02:49 +0800
Subject: [PATCH] refactor: uniq sub error

---
 .github/workflows/test.yml |  1 +
 http_errors.go             | 17 +++++++++++++++++
 2 files changed, 18 insertions(+)

diff --git a/.github/workflows/test.yml b/.github/workflows/test.yml
index d13a696..4f828d6 100644
--- a/.github/workflows/test.yml
+++ b/.github/workflows/test.yml
@@ -14,6 +14,7 @@ jobs:
     strategy:
       matrix:
         go:
+        - '1.20'
         - '1.19'
         - '1.18'
         - '1.17'
diff --git a/http_errors.go b/http_errors.go
index cceaf7d..3385ccf 100644
--- a/http_errors.go
+++ b/http_errors.go
@@ -157,6 +157,18 @@ func (e *Error) AddExtra(key string, value interface{}) {
 	e.Extra[key] = value
 }
 
+// Exists return true if it already exists
+func (e *Error) exists(he *Error) bool {
+	for _, item := range e.Errs {
+		if he.Title == item.Title &&
+			he.Message == item.Message &&
+			he.Category == item.Category {
+			return true
+		}
+	}
+	return false
+}
+
 // Add add error to error list
 func (e *Error) Add(errs ...error) {
 	if len(errs) == 0 {
@@ -181,6 +193,11 @@ func (e *Error) Add(errs ...error) {
 			}
 			continue
 		}
+		// 判断是否已存在相同的error
+		// 如果已有相同error，则不添加
+		if e.exists(he) {
+			continue
+		}
 
 		e.Errs = append(e.Errs, he)
 	}