[优化] 代码优化

openflare_server/utils/slice.go

@@ -1,5 +1,7 @@
 package utils
 
+import "strings"
+
 // Unique returns a new slice containing only the unique elements of the input slice,
 // preserving their original order.
 func Unique[T comparable](slice []T) []T {
@@ -17,3 +19,28 @@ func Unique[T comparable](slice []T) []T {
 	}
 	return result
 }
+
+// UniqueAndCleanStringSlice trims spaces, removes empty elements, and returns only the unique elements
+// of the input string slice. It preserves order and returns nil if the resulting slice is empty.
+func UniqueAndCleanStringSlice(slice []string) []string {
+	if slice == nil {
+		return nil
+	}
+	seen := make(map[string]struct{})
+	result := make([]string, 0)
+	for _, item := range slice {
+		trimmed := strings.TrimSpace(item)
+		if trimmed == "" {
+			continue
+		}
+		if _, ok := seen[trimmed]; ok {
+			continue
+		}
+		seen[trimmed] = struct{}{}
+		result = append(result, trimmed)
+	}
+	if len(result) == 0 {
+		return nil
+	}
+	return result
+}