redisdb/get_by_key.go

package redisdb

import (
	"context"
	"encoding/json"
	"errors"
)

// GetValueByKey ...
func (s Server) GetValueByKey(ctx context.Context, key string) string {
	cmd := s.rdb.Get(ctx, key)
	if cmd == nil {
		return ""
	}
	value, _ := cmd.Result()
	return value
}

// GetValueByKeyWithBindData ...
func (s Server) GetValueByKeyWithBindData(ctx context.Context, key string, result interface{}) error {
	v := s.GetValueByKey(ctx, key)
	if v == "" {
		return errors.New("key not found")
	}
	return json.Unmarshal([]byte(v), &result)
}