mirror of
https://github.com/nalgeon/redka.git
synced 2025-10-11 02:40:14 +08:00
45 lines
834 B
Go
45 lines
834 B
Go
package key
|
|
|
|
import (
|
|
"time"
|
|
|
|
"github.com/nalgeon/redka/internal/core"
|
|
"github.com/nalgeon/redka/internal/redis"
|
|
)
|
|
|
|
// Returns the expiration time in seconds of a key.
|
|
// TTL key
|
|
// https://redis.io/commands/ttl
|
|
type TTL struct {
|
|
redis.BaseCmd
|
|
key string
|
|
}
|
|
|
|
func ParseTTL(b redis.BaseCmd) (*TTL, error) {
|
|
cmd := &TTL{BaseCmd: b}
|
|
if len(cmd.Args()) != 1 {
|
|
return cmd, redis.ErrInvalidArgNum
|
|
}
|
|
cmd.key = string(cmd.Args()[0])
|
|
return cmd, nil
|
|
}
|
|
|
|
func (cmd *TTL) Run(w redis.Writer, red redis.Redka) (any, error) {
|
|
k, err := red.Key().Get(cmd.key)
|
|
if err == core.ErrNotFound {
|
|
w.WriteInt(-2)
|
|
return -2, nil
|
|
}
|
|
if err != nil {
|
|
w.WriteError(cmd.Error(err))
|
|
return nil, err
|
|
}
|
|
if k.ETime == nil {
|
|
w.WriteInt(-1)
|
|
return -1, nil
|
|
}
|
|
ttl := int(*k.ETime/1000 - time.Now().Unix())
|
|
w.WriteInt(ttl)
|
|
return ttl, nil
|
|
}
|