Import x-panel source

util/common/err.go

@@ -0,0 +1,28 @@
+package common
+
+import (
+	"errors"
+	"fmt"
+
+	"x-ui/logger"
+)
+
+func NewErrorf(format string, a ...any) error {
+	msg := fmt.Sprintf(format, a...)
+	return errors.New(msg)
+}
+
+func NewError(a ...any) error {
+	msg := fmt.Sprintln(a...)
+	return errors.New(msg)
+}
+
+func Recover(msg string) any {
+	panicErr := recover()
+	if panicErr != nil {
+		if msg != "" {
+			logger.Error(msg, "panic:", panicErr)
+		}
+	}
+	return panicErr
+}

util/common/format.go

@@ -0,0 +1,17 @@
+package common
+
+import (
+	"fmt"
+)
+
+func FormatTraffic(trafficBytes int64) string {
+	units := []string{"B", "KB", "MB", "GB", "TB", "PB"}
+	unitIndex := 0
+	size := float64(trafficBytes)
+
+	for size >= 1024 && unitIndex < len(units)-1 {
+		size /= 1024
+		unitIndex++
+	}
+	return fmt.Sprintf("%.2f%s", size, units[unitIndex])
+}

util/common/multi_error.go

@@ -0,0 +1,30 @@
+package common
+
+import (
+	"strings"
+)
+
+type multiError []error
+
+func (e multiError) Error() string {
+	var r strings.Builder
+	r.WriteString("multierr: ")
+	for _, err := range e {
+		r.WriteString(err.Error())
+		r.WriteString(" | ")
+	}
+	return r.String()
+}
+
+func Combine(maybeError ...error) error {
+	var errs multiError
+	for _, err := range maybeError {
+		if err != nil {
+			errs = append(errs, err)
+		}
+	}
+	if len(errs) == 0 {
+		return nil
+	}
+	return errs
+}

util/common/random.go

@@ -0,0 +1,18 @@
+package common
+
+import (
+	"crypto/rand"
+	"math/big"
+)
+
+// RandomInt 返回一个 0 .. max-1 之间的随机整数（使用 crypto/rand）
+func RandomInt(max int) int {
+	if max <= 0 {
+		return 0
+	}
+	n, err := rand.Int(rand.Reader, big.NewInt(int64(max)))
+	if err != nil {
+		return 0
+	}
+	return int(n.Int64())
+}