73 lines
1.4 KiB
Go
73 lines
1.4 KiB
Go
package template
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import (
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"crypto/sha256"
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"fmt"
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"strconv"
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"strings"
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"time"
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UUID "github.com/hashicorp/go-uuid"
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)
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func unixTime() string {
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return strconv.FormatInt(time.Now().Unix(), 10)
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}
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func unixTimeMillis() string {
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return strconv.FormatInt(time.Now().UnixNano()/int64(time.Millisecond), 10)
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}
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func timestamp(format string) string {
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return time.Now().Format(format)
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}
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func truncate(maxLen int, str string) (string, error) {
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if maxLen <= 0 {
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return "", fmt.Errorf("max length must be > 0 but was %d", maxLen)
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}
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if len(str) > maxLen {
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return str[:maxLen], nil
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}
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return str, nil
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}
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const (
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sha256HashLen = 8
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)
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func truncateSHA256(maxLen int, str string) (string, error) {
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if maxLen <= 8 {
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return "", fmt.Errorf("max length must be > 8 but was %d", maxLen)
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}
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if len(str) <= maxLen {
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return str, nil
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}
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truncIndex := maxLen - sha256HashLen
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hash := hashSHA256(str[truncIndex:])
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result := fmt.Sprintf("%s%s", str[:truncIndex], hash[:sha256HashLen])
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return result, nil
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}
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func hashSHA256(str string) string {
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return fmt.Sprintf("%x", sha256.Sum256([]byte(str)))
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}
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func uppercase(str string) string {
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return strings.ToUpper(str)
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}
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func lowercase(str string) string {
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return strings.ToLower(str)
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}
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func replace(find string, replace string, str string) string {
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return strings.ReplaceAll(str, find, replace)
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}
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func uuid() (string, error) {
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return UUID.GenerateUUID()
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}
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