utils.go

package audit_log

import (
	"net/http"
	"reflect"
	"regexp"
	"strings"
)

func contains(array interface{}, val interface{}) (index int) {
	index = -1
	switch reflect.TypeOf(array).Kind() {
	case reflect.Slice:
		{
			s := reflect.ValueOf(array)
			for i := 0; i < s.Len(); i++ {
				if reflect.DeepEqual(val, s.Index(i).Interface()) {
					index = i
					return
				}
			}
		}
	}
	return
}

func toSnakeCase(str string) string {
	var matchFirstCap = regexp.MustCompile("(.)([A-Z][a-z]+)")
	var matchAllCap = regexp.MustCompile("([a-z0-9])([A-Z])")
	snake := matchFirstCap.ReplaceAllString(str, "${1}_${2}")
	snake = matchAllCap.ReplaceAllString(snake, "${1}_${2}")
	return strings.ToLower(snake)
}

func removeRepeat(slc []string) []string {
	result := []string{}
	tempMap := map[string]byte{}
	for _, e := range slc {
		l := len(tempMap)
		tempMap[e] = 0
		if len(tempMap) != l {
			result = append(result, e)
		}
	}
	return result
}

func convIP(header http.Header) string {
	xff, ok := header["X-Forwarded-For"]
	if !ok {
		return "127.0.0.1"
	}
	if len(xff) == 0 {
		return "127.0.0.1"
	}
	ipArray := strings.Split(xff[0], ",")
	ip := ipArray[0]
	return ip
}