github.com/wangyougui/gf/v2@v2.6.5/util/gvalid/internal/builtin/builtin_before.go (about)

     1  // Copyright GoFrame Author(https://goframe.org). All Rights Reserved.
     2  //
     3  // This Source Code Form is subject to the terms of the MIT License.
     4  // If a copy of the MIT was not distributed with this file,
     5  // You can obtain one at https://github.com/wangyougui/gf.
     6  
     7  package builtin
     8  
     9  import (
    10  	"errors"
    11  
    12  	"github.com/wangyougui/gf/v2/text/gstr"
    13  	"github.com/wangyougui/gf/v2/util/gconv"
    14  	"github.com/wangyougui/gf/v2/util/gutil"
    15  )
    16  
    17  // RuleBefore implements `before` rule:
    18  // The datetime value should be after the value of field `field`.
    19  //
    20  // Format: before:field
    21  type RuleBefore struct{}
    22  
    23  func init() {
    24  	Register(RuleBefore{})
    25  }
    26  
    27  func (r RuleBefore) Name() string {
    28  	return "before"
    29  }
    30  
    31  func (r RuleBefore) Message() string {
    32  	return "The {field} value `{value}` must be before field {field1} value `{value1}`"
    33  }
    34  
    35  func (r RuleBefore) Run(in RunInput) error {
    36  	var (
    37  		fieldName, fieldValue = gutil.MapPossibleItemByKey(in.Data.Map(), in.RulePattern)
    38  		valueDatetime         = in.Value.Time()
    39  		fieldDatetime         = gconv.Time(fieldValue)
    40  	)
    41  	if valueDatetime.Before(fieldDatetime) {
    42  		return nil
    43  	}
    44  	return errors.New(gstr.ReplaceByMap(in.Message, map[string]string{
    45  		"{field1}": fieldName,
    46  		"{value1}": gconv.String(fieldValue),
    47  	}))
    48  }