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65 lines
1.4 KiB
Go
65 lines
1.4 KiB
Go
// Copyright GoFrame Author(https://goframe.org). All Rights Reserved.
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//
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// This Source Code Form is subject to the terms of the MIT License.
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// If a copy of the MIT was not distributed with this file,
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// You can obtain one at https://github.com/gogf/gf.
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package builtin
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import (
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"errors"
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"strconv"
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"strings"
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"github.com/gogf/gf/v2/text/gstr"
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"github.com/gogf/gf/v2/util/gconv"
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)
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// RuleLength implements `length` rule:
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// Length between :min and :max.
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// The length is calculated using unicode string, which means one chinese character or letter both has the length of 1.
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//
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// Format: length:min,max
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type RuleLength struct{}
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func init() {
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Register(RuleLength{})
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}
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func (r RuleLength) Name() string {
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return "length"
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}
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func (r RuleLength) Message() string {
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return "The {field} value `{value}` length must be between {min} and {max}"
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}
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func (r RuleLength) Run(in RunInput) error {
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var (
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valueRunes = gconv.Runes(in.Value.String())
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valueLen = len(valueRunes)
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)
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var (
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min = 0
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max = 0
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array = strings.Split(in.RulePattern, ",")
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)
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if len(array) > 0 {
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if v, err := strconv.Atoi(strings.TrimSpace(array[0])); err == nil {
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min = v
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}
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}
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if len(array) > 1 {
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if v, err := strconv.Atoi(strings.TrimSpace(array[1])); err == nil {
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max = v
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}
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}
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if valueLen < min || valueLen > max {
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return errors.New(gstr.ReplaceByMap(in.Message, map[string]string{
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"{min}": strconv.Itoa(min),
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"{max}": strconv.Itoa(max),
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}))
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}
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return nil
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}
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