influxdb/crud_log.go

76 lines
1.6 KiB
Go

package influxdb
import (
"encoding/json"
"errors"
"time"
)
// CRUDLogSetter is the interface to set the crudlog.
type CRUDLogSetter interface {
SetCreatedAt(now time.Time)
SetUpdatedAt(now time.Time)
}
// CRUDLog is the struct to store crud related ops.
type CRUDLog struct {
CreatedAt time.Time `json:"createdAt"`
UpdatedAt time.Time `json:"updatedAt"`
}
// SetCreatedAt set the created time.
func (log *CRUDLog) SetCreatedAt(now time.Time) {
log.CreatedAt = now
}
// SetUpdated set the updated time.
func (log *CRUDLog) SetUpdatedAt(now time.Time) {
log.UpdatedAt = now
}
// TimeGenerator represents a generator for now.
type TimeGenerator interface {
// Now creates the generated time.
Now() time.Time
}
// RealTimeGenerator will generate the real time.
type RealTimeGenerator struct{}
// Now returns the current time.
func (g RealTimeGenerator) Now() time.Time {
return time.Now()
}
// Duration is based on time.Duration to embed in any struct.
type Duration struct {
time.Duration
}
// MarshalJSON implements json.Marshaler interface.
func (d Duration) MarshalJSON() ([]byte, error) {
return json.Marshal(d.String())
}
// UnmarshalJSON implements json.Unmarshaler interface.
func (d *Duration) UnmarshalJSON(b []byte) error {
var v interface{}
if err := json.Unmarshal(b, &v); err != nil {
return err
}
switch value := v.(type) {
case float64:
d.Duration = time.Duration(value)
return nil
case string:
var err error
d.Duration, err = time.ParseDuration(value)
if err != nil {
return err
}
return nil
default:
return errors.New("invalid duration")
}
}