yans/internal/backend/storage_backend.go
2022-02-05 19:23:20 +03:00

25 lines
982 B
Go

package backend
import "github.com/ChronosX88/yans/internal/models"
const (
SupportedBackendList = "sqlite"
)
type StorageBackend interface {
ListGroups() ([]models.Group, error)
ListGroupsByPattern(pattern string) ([]models.Group, error)
GetGroup(groupName string) (models.Group, error)
GetNewGroupsSince(timestamp int64) ([]models.Group, error)
GetArticlesCount(g *models.Group) (int, error)
GetGroupLowWaterMark(g *models.Group) (int, error)
GetGroupHighWaterMark(g *models.Group) (int, error)
SaveArticle(article models.Article, groups []string) error
GetArticle(messageID string) (models.Article, error)
GetArticleByNumber(g *models.Group, num int) (models.Article, error)
GetArticleNumbers(g *models.Group, low, high int64) ([]int64, error)
GetNewArticlesSince(timestamp int64) ([]string, error)
GetLastArticleByNum(g *models.Group, a *models.Article) (models.Article, error)
GetNextArticleByNum(g *models.Group, a *models.Article) (models.Article, error)
}