103 lines
2.1 KiB
Go
103 lines
2.1 KiB
Go
// Copyright (c) 2025 Probo Inc <hello@getprobo.com>.
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//
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// Permission to use, copy, modify, and/or distribute this software for any
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// purpose with or without fee is hereby granted, provided that the above
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// copyright notice and this permission notice appear in all copies.
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//
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// THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES WITH
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// REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY
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// AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY SPECIAL, DIRECT,
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// INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM
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// LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR
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// OTHER TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR
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// PERFORMANCE OF THIS SOFTWARE.
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package gid
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import (
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"database/sql/driver"
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"encoding/base64"
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"encoding/binary"
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"fmt"
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"go.gearno.de/crypto/uuid"
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)
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type (
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GID uuid.UUID
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)
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var (
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Nil = GID(uuid.Nil)
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)
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func ParseGID(encoded string) (GID, error) {
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gid := GID{}
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err := gid.UnmarshalText([]byte(encoded))
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if err != nil {
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return Nil, err
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}
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return gid, nil
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}
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func NewGID(et uint32) (GID, error) {
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id, err := uuid.NewV7()
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if err != nil {
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return Nil, err
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}
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binary.BigEndian.PutUint32(id[10:14], et)
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return GID(id), nil
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}
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func (gid GID) Value() (driver.Value, error) {
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return gid.String(), nil
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}
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func (gid GID) EntityType() uint32 {
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return binary.BigEndian.Uint32(gid[10:14])
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}
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func (gid *GID) Scan(value interface{}) error {
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switch v := value.(type) {
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case string:
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enc := base64.RawURLEncoding
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id, err := enc.DecodeString(v)
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if err != nil {
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return err
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}
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*gid = GID(id)
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default:
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return fmt.Errorf("invalid type for GID: expected string, got %T", value)
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}
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return nil
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}
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func (gid GID) String() string {
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return base64.RawURLEncoding.EncodeToString(gid[:])
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}
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func (gid GID) MarshalText() ([]byte, error) {
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enc := base64.RawURLEncoding
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buf := make([]byte, enc.EncodedLen(len(gid)))
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enc.Encode(buf, gid[:])
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return buf, nil
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}
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func (gid *GID) UnmarshalText(encoded []byte) error {
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enc := base64.RawURLEncoding
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_, err := enc.Decode(gid[:], encoded)
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if err != nil {
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return err
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}
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return nil
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}
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