77 lines
1.4 KiB
Go
77 lines
1.4 KiB
Go
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package main
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import (
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"crypto/sha1"
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"database/sql/driver"
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"encoding/hex"
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"fmt"
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"strings"
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)
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type uuid [16]byte
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var urlNS = uuid{0x6b, 0xa7, 0xb8, 0x10, 0x9d, 0xad, 0x11, 0xd1, 0x80, 0xb4, 0x00, 0xc0, 0x4f, 0xd4, 0x30, 0xc8}
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func (u uuid) UUID5(value string) uuid {
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h := sha1.New()
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h.Write(u[:])
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h.Write([]byte(value))
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return uuid(h.Sum(nil))
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}
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func (u *uuid) UnmarshalText(data string) error {
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data = strings.Trim(data, "{}")
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data = strings.ReplaceAll(data, "-", "")
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_, err := hex.Decode(u[:], []byte(data))
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return err
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}
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func (u uuid) MarshalText() string {
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s := hex.EncodeToString(u[:])
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return fmt.Sprintf("{%s-%s-%s-%s-%s}", s[:8], s[8:12], s[12:16], s[16:20], s[20:])
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}
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func (u uuid) Value() (driver.Value, error) {
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return u[:], nil
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}
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func (u *uuid) Scan(value any) error {
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if value == nil {
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return nil
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}
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*u = uuid(value.([]byte))
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return nil
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}
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type uuids []uuid
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func (lis uuids) ToStrList() strList {
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arr := make(strList, len(lis))
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for i, v := range lis {
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arr[i] = v.MarshalText()
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}
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return arr
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}
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type strList []string
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func (l *strList) Scan(value any) error {
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s := value.(string)
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s = strings.Trim(s, "[]")
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for _, v := range strings.Split(s, ",") {
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v = strings.TrimSpace(v)
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v = strings.Trim(v, "\",")
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*l = append(*l, v)
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}
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return nil
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}
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func (l strList) Value() (driver.Value, error) {
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arr := make([]string, len(l))
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for i, v := range l {
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arr[i] = "\""+v+"\""
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}
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return "["+strings.Join(arr, ",") +"]", nil
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}
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