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package funcs
import (
"context"
"github.com/hairyhenderson/gomplate/v4/conv"
"github.com/google/uuid"
)
// CreateUUIDFuncs -
func CreateUUIDFuncs(ctx context.Context) map[string]interface{} {
ns := &UUIDFuncs{ctx}
return map[string]interface{}{
"uuid": func() interface{} { return ns },
}
}
// UUIDFuncs -
type UUIDFuncs struct {
ctx context.Context
}
// V1 - return a version 1 UUID (based on the current MAC Address and the
// current date/time). Use V4 instead in most cases.
func (UUIDFuncs) V1() (string, error) {
u, err := uuid.NewUUID()
if err != nil {
return "", err
}
return u.String(), nil
}
// V4 - return a version 4 (random) UUID
func (UUIDFuncs) V4() (string, error) {
u, err := uuid.NewRandom()
if err != nil {
return "", err
}
return u.String(), nil
}
// Nil -
func (UUIDFuncs) Nil() (string, error) {
return uuid.Nil.String(), nil
}
// IsValid - checks if the given UUID is in the correct format. It does not
// validate whether the version or variant are correct.
func (f UUIDFuncs) IsValid(in interface{}) (bool, error) {
_, err := f.Parse(in)
return err == nil, nil
}
// Parse - parse a UUID for further manipulation or inspection.
//
// Both the standard UUID forms of xxxxxxxx-xxxx-xxxx-xxxx-xxxxxxxxxxxx and
// urn:uuid:xxxxxxxx-xxxx-xxxx-xxxx-xxxxxxxxxxxx are decoded as well as the
// Microsoft encoding {xxxxxxxx-xxxx-xxxx-xxxx-xxxxxxxxxxxx} and the raw hex
// encoding: xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx.
func (UUIDFuncs) Parse(in interface{}) (uuid.UUID, error) {
u, err := uuid.Parse(conv.ToString(in))
if err != nil {
return uuid.Nil, err
}
return u, err
}
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