stash/pkg/manager/import.go

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package manager
import (
"fmt"
"github.com/stashapp/stash/pkg/logger"
"github.com/stashapp/stash/pkg/models"
)
type importer interface {
PreImport() error
PostImport(id int) error
Name() string
FindExistingID() (*int, error)
Create() (*int, error)
Update(id int) error
}
func performImport(i importer, duplicateBehaviour models.ImportDuplicateEnum) error {
if err := i.PreImport(); err != nil {
return err
}
// try to find an existing object with the same name
name := i.Name()
existing, err := i.FindExistingID()
if err != nil {
return fmt.Errorf("error finding existing objects: %s", err.Error())
}
var id int
if existing != nil {
if duplicateBehaviour == models.ImportDuplicateEnumFail {
return fmt.Errorf("existing object with name '%s'", name)
} else if duplicateBehaviour == models.ImportDuplicateEnumIgnore {
logger.Info("Skipping existing object")
return nil
}
// must be overwriting
id = *existing
if err := i.Update(id); err != nil {
return fmt.Errorf("error updating existing object: %s", err.Error())
}
} else {
// creating
createdID, err := i.Create()
if err != nil {
return fmt.Errorf("error creating object: %s", err.Error())
}
id = *createdID
}
if err := i.PostImport(id); err != nil {
return err
}
return nil
}