github.com/wangyougui/gf/v2@v2.6.5/util/gvalid/internal/builtin/builtin_between.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  	"strconv"
    12  	"strings"
    13  
    14  	"github.com/wangyougui/gf/v2/text/gstr"
    15  )
    16  
    17  // RuleBetween implements `between` rule:
    18  // Range between :min and :max. It supports both integer and float.
    19  //
    20  // Format: between:min,max
    21  type RuleBetween struct{}
    22  
    23  func init() {
    24  	Register(RuleBetween{})
    25  }
    26  
    27  func (r RuleBetween) Name() string {
    28  	return "between"
    29  }
    30  
    31  func (r RuleBetween) Message() string {
    32  	return "The {field} value `{value}` must be between {min} and {max}"
    33  }
    34  
    35  func (r RuleBetween) Run(in RunInput) error {
    36  	var (
    37  		array = strings.Split(in.RulePattern, ",")
    38  		min   = float64(0)
    39  		max   = float64(0)
    40  	)
    41  	if len(array) > 0 {
    42  		if v, err := strconv.ParseFloat(strings.TrimSpace(array[0]), 10); err == nil {
    43  			min = v
    44  		}
    45  	}
    46  	if len(array) > 1 {
    47  		if v, err := strconv.ParseFloat(strings.TrimSpace(array[1]), 10); err == nil {
    48  			max = v
    49  		}
    50  	}
    51  	valueF, err := strconv.ParseFloat(in.Value.String(), 10)
    52  	if valueF < min || valueF > max || err != nil {
    53  		return errors.New(gstr.ReplaceByMap(in.Message, map[string]string{
    54  			"{min}": strconv.FormatFloat(min, 'f', -1, 64),
    55  			"{max}": strconv.FormatFloat(max, 'f', -1, 64),
    56  		}))
    57  	}
    58  	return nil
    59  }