47 lines
1.2 KiB
Go
47 lines
1.2 KiB
Go
package storage
|
|
|
|
import (
|
|
"errors"
|
|
"strings"
|
|
|
|
"github.com/redis/go-redis/v9"
|
|
)
|
|
|
|
const (
|
|
cacheUserHandleToIdPrefix = "acc-name-to-id:"
|
|
cacheUserIdToAccPrefix = "acc-id-to-data:"
|
|
)
|
|
|
|
var errCacheNotFound = errors.New("not found in cache")
|
|
|
|
// Find an account id in cache using a given user handle
|
|
func (s *Storage) cacheHandleToAccUid(handle string) (*string, error) {
|
|
// Where to put the data (in case it's found)
|
|
var target string
|
|
found, err := s.cache.Get(cacheUserHandleToIdPrefix+strings.TrimLeft(handle, "@"), &target)
|
|
// If nothing was found, check error
|
|
if !found {
|
|
// Case error is set and NOT redis' error for nothing found: Return that error
|
|
if err != nil && !errors.Is(err, redis.Nil) {
|
|
return nil, err
|
|
} else {
|
|
// Else return errCacheNotFound
|
|
return nil, errCacheNotFound
|
|
}
|
|
}
|
|
return &target, nil
|
|
}
|
|
|
|
// Find an account's data in cache using a given account id
|
|
func (s *Storage) cacheAccIdToData(id string) (*Account, error) {
|
|
var target Account
|
|
found, err := s.cache.Get(cacheUserIdToAccPrefix+id, &target)
|
|
if !found {
|
|
if err != nil && !errors.Is(err, redis.Nil) {
|
|
return nil, err
|
|
} else {
|
|
return nil, errCacheNotFound
|
|
}
|
|
}
|
|
return &target, nil
|
|
}
|