gf/util/gvalid/internal/builtin/builtin_lt.go
2022-09-26 22:11:13 +08:00

52 lines
1.2 KiB
Go

// Copyright GoFrame Author(https://goframe.org). All Rights Reserved.
//
// This Source Code Form is subject to the terms of the MIT License.
// If a copy of the MIT was not distributed with this file,
// You can obtain one at https://github.com/gogf/gf.
package builtin
import (
"errors"
"strconv"
"github.com/gogf/gf/v2/text/gstr"
"github.com/gogf/gf/v2/util/gconv"
"github.com/gogf/gf/v2/util/gutil"
)
// RuleLT implements `lt` rule:
// Lesser than `field`.
// It supports both integer and float.
//
// Format: lt:field
type RuleLT struct{}
func init() {
Register(RuleLT{})
}
func (r RuleLT) Name() string {
return "lt"
}
func (r RuleLT) Message() string {
return "The {field} value `{value}` must be lesser than field {field1} value `{value1}`"
}
func (r RuleLT) Run(in RunInput) error {
var (
fieldName, fieldValue = gutil.MapPossibleItemByKey(in.Data.Map(), in.RulePattern)
fieldValueN, err1 = strconv.ParseFloat(gconv.String(fieldValue), 10)
valueN, err2 = strconv.ParseFloat(in.Value.String(), 10)
)
if valueN >= fieldValueN || err1 != nil || err2 != nil {
return errors.New(gstr.ReplaceByMap(in.Message, map[string]string{
"{field1}": fieldName,
"{value1}": gconv.String(fieldValue),
}))
}
return nil
}