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options.go
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options.go
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package models
import (
"errors"
"time"
"github.com/diadata-org/diadata/pkg/dia"
)
func (datastore *DB) SetOptionMeta(optionMeta *dia.OptionMeta) error {
if datastore.redisClient == nil {
return errors.New("datastore has no redis client")
}
key := "dia_optionMeta_" + optionMeta.BaseCurrency
log.Debug("setting ", key, optionMeta)
err := datastore.redisClient.SAdd(key, optionMeta).Err()
if err != nil {
log.Printf("Error: %v on SetOptionMeta %v\n", err, key)
}
return err
}
func (datastore *DB) RemoveExpiredOptionMeta(baseCurrency string) error {
if datastore.redisClient == nil {
return errors.New("datastore has no redis client")
}
optionsMeta, err := datastore.GetOptionMeta(baseCurrency)
if err != nil {
return err
}
key := "dia_optionMeta_" + baseCurrency
for _, optionMeta := range optionsMeta {
if optionMeta.ExpirationTime.Before(time.Now()) {
err = datastore.redisClient.SRem(key, optionMeta).Err()
if err != nil {
return err
}
}
}
return nil
}
func (datastore *DB) GetOptionMeta(baseCurrency string) ([]dia.OptionMeta, error) {
var result []dia.OptionMeta
if datastore.redisClient == nil {
return result, errors.New("datastore has no redis client")
}
key := "dia_optionMeta_" + baseCurrency
resultStrings, err := datastore.redisClient.SMembers(key).Result()
if err != nil {
log.Error("GetOptionMeta: ", err)
}
for _, v := range resultStrings {
currentOM := dia.OptionMeta{}
err = currentOM.UnmarshalBinary([]byte(v))
if err != nil {
log.Error("GetOptionMeta: ", err)
}
result = append(result, currentOM)
}
return result, err
}