Files
redka/internal/command/zset/zincrby.go
2024-04-30 02:01:19 +05:00

40 lines
852 B
Go

package zset
import (
"github.com/nalgeon/redka/internal/parser"
"github.com/nalgeon/redka/internal/redis"
)
// Increments the score of a member in a sorted set.
// ZINCRBY key increment member
// https://redis.io/commands/zincrby
type ZIncrBy struct {
redis.BaseCmd
Key string
Delta float64
Member string
}
func ParseZIncrBy(b redis.BaseCmd) (*ZIncrBy, error) {
cmd := &ZIncrBy{BaseCmd: b}
err := parser.New(
parser.String(&cmd.Key),
parser.Float(&cmd.Delta),
parser.String(&cmd.Member),
).Required(3).Run(cmd.Args())
if err != nil {
return nil, err
}
return cmd, nil
}
func (cmd *ZIncrBy) Run(w redis.Writer, red redis.Redka) (any, error) {
score, err := red.ZSet().Incr(cmd.Key, cmd.Member, cmd.Delta)
if err != nil {
w.WriteError(cmd.Error(err))
return nil, err
}
redis.WriteFloat(w, score)
return score, nil
}