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task_import.go
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task_import.go
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package manager
import (
"archive/zip"
"context"
"errors"
"fmt"
"io"
"os"
"path/filepath"
"github.com/99designs/gqlgen/graphql"
"github.com/stashapp/stash/pkg/file"
"github.com/stashapp/stash/pkg/fsutil"
"github.com/stashapp/stash/pkg/gallery"
"github.com/stashapp/stash/pkg/image"
"github.com/stashapp/stash/pkg/logger"
"github.com/stashapp/stash/pkg/models"
"github.com/stashapp/stash/pkg/models/jsonschema"
"github.com/stashapp/stash/pkg/models/paths"
"github.com/stashapp/stash/pkg/movie"
"github.com/stashapp/stash/pkg/performer"
"github.com/stashapp/stash/pkg/scene"
"github.com/stashapp/stash/pkg/studio"
"github.com/stashapp/stash/pkg/tag"
)
type Resetter interface {
Reset() error
}
type ImportTask struct {
repository models.Repository
resetter Resetter
json jsonUtils
BaseDir string
TmpZip string
Reset bool
DuplicateBehaviour ImportDuplicateEnum
MissingRefBehaviour models.ImportMissingRefEnum
fileNamingAlgorithm models.HashAlgorithm
}
type ImportObjectsInput struct {
File graphql.Upload `json:"file"`
DuplicateBehaviour ImportDuplicateEnum `json:"duplicateBehaviour"`
MissingRefBehaviour models.ImportMissingRefEnum `json:"missingRefBehaviour"`
}
func CreateImportTask(a models.HashAlgorithm, input ImportObjectsInput) (*ImportTask, error) {
baseDir, err := instance.Paths.Generated.TempDir("import")
if err != nil {
logger.Errorf("error creating temporary directory for import: %v", err)
return nil, err
}
tmpZip := ""
if input.File.File != nil {
tmpZip = filepath.Join(baseDir, "import.zip")
out, err := os.Create(tmpZip)
if err != nil {
return nil, err
}
_, err = io.Copy(out, input.File.File)
out.Close()
if err != nil {
return nil, err
}
}
mgr := GetInstance()
return &ImportTask{
repository: mgr.Repository,
resetter: mgr.Database,
BaseDir: baseDir,
TmpZip: tmpZip,
Reset: false,
DuplicateBehaviour: input.DuplicateBehaviour,
MissingRefBehaviour: input.MissingRefBehaviour,
fileNamingAlgorithm: a,
}, nil
}
func (t *ImportTask) GetDescription() string {
return "Importing..."
}
func (t *ImportTask) Start(ctx context.Context) {
if t.TmpZip != "" {
defer func() {
err := fsutil.RemoveDir(t.BaseDir)
if err != nil {
logger.Errorf("error removing directory %s: %v", t.BaseDir, err)
}
}()
if err := t.unzipFile(); err != nil {
logger.Errorf("error unzipping provided file for import: %v", err)
return
}
}
t.json = jsonUtils{
json: *paths.GetJSONPaths(t.BaseDir),
}
// set default behaviour if not provided
if !t.DuplicateBehaviour.IsValid() {
t.DuplicateBehaviour = ImportDuplicateEnumFail
}
if !t.MissingRefBehaviour.IsValid() {
t.MissingRefBehaviour = models.ImportMissingRefEnumFail
}
if t.Reset {
err := t.resetter.Reset()
if err != nil {
logger.Errorf("Error resetting database: %v", err)
return
}
}
t.ImportTags(ctx)
t.ImportPerformers(ctx)
t.ImportStudios(ctx)
t.ImportMovies(ctx)
t.ImportFiles(ctx)
t.ImportGalleries(ctx)
t.ImportScenes(ctx)
t.ImportImages(ctx)
}
func (t *ImportTask) unzipFile() error {
defer func() {
err := os.Remove(t.TmpZip)
if err != nil {
logger.Errorf("error removing temporary zip file %s: %v", t.TmpZip, err)
}
}()
// now we can read the zip file
r, err := zip.OpenReader(t.TmpZip)
if err != nil {
return err
}
defer r.Close()
for _, f := range r.File {
fn := filepath.Join(t.BaseDir, f.Name)
if f.FileInfo().IsDir() {
if err := os.MkdirAll(fn, os.ModePerm); err != nil {
logger.Warnf("couldn't create directory %v while unzipping import file: %v", fn, err)
}
continue
}
if err := os.MkdirAll(filepath.Dir(fn), os.ModePerm); err != nil {
return err
}
o, err := os.OpenFile(fn, os.O_WRONLY|os.O_CREATE|os.O_TRUNC, f.Mode())
if err != nil {
return err
}
i, err := f.Open()
if err != nil {
o.Close()
return err
}
if _, err := io.Copy(o, i); err != nil {
o.Close()
i.Close()
return err
}
o.Close()
i.Close()
}
return nil
}
func (t *ImportTask) ImportPerformers(ctx context.Context) {
logger.Info("[performers] importing")
path := t.json.json.Performers
files, err := os.ReadDir(path)
if err != nil {
if !errors.Is(err, os.ErrNotExist) {
logger.Errorf("[performers] failed to read performers directory: %v", err)
}
return
}
r := t.repository
for i, fi := range files {
index := i + 1
performerJSON, err := jsonschema.LoadPerformerFile(filepath.Join(path, fi.Name()))
if err != nil {
logger.Errorf("[performers] failed to read json: %v", err)
continue
}
logger.Progressf("[performers] %d of %d", index, len(files))
if err := r.WithTxn(ctx, func(ctx context.Context) error {
importer := &performer.Importer{
ReaderWriter: r.Performer,
TagWriter: r.Tag,
Input: *performerJSON,
}
return performImport(ctx, importer, t.DuplicateBehaviour)
}); err != nil {
logger.Errorf("[performers] <%s> import failed: %v", fi.Name(), err)
}
}
logger.Info("[performers] import complete")
}
func (t *ImportTask) ImportStudios(ctx context.Context) {
pendingParent := make(map[string][]*jsonschema.Studio)
logger.Info("[studios] importing")
path := t.json.json.Studios
files, err := os.ReadDir(path)
if err != nil {
if !errors.Is(err, os.ErrNotExist) {
logger.Errorf("[studios] failed to read studios directory: %v", err)
}
return
}
r := t.repository
for i, fi := range files {
index := i + 1
studioJSON, err := jsonschema.LoadStudioFile(filepath.Join(path, fi.Name()))
if err != nil {
logger.Errorf("[studios] failed to read json: %v", err)
continue
}
logger.Progressf("[studios] %d of %d", index, len(files))
if err := r.WithTxn(ctx, func(ctx context.Context) error {
return t.importStudio(ctx, studioJSON, pendingParent)
}); err != nil {
if errors.Is(err, studio.ErrParentStudioNotExist) {
// add to the pending parent list so that it is created after the parent
s := pendingParent[studioJSON.ParentStudio]
s = append(s, studioJSON)
pendingParent[studioJSON.ParentStudio] = s
continue
}
logger.Errorf("[studios] <%s> failed to create: %v", fi.Name(), err)
continue
}
}
// create the leftover studios, warning for missing parents
if len(pendingParent) > 0 {
logger.Warnf("[studios] importing studios with missing parents")
for _, s := range pendingParent {
for _, orphanStudioJSON := range s {
if err := r.WithTxn(ctx, func(ctx context.Context) error {
return t.importStudio(ctx, orphanStudioJSON, nil)
}); err != nil {
logger.Errorf("[studios] <%s> failed to create: %v", orphanStudioJSON.Name, err)
continue
}
}
}
}
logger.Info("[studios] import complete")
}
func (t *ImportTask) importStudio(ctx context.Context, studioJSON *jsonschema.Studio, pendingParent map[string][]*jsonschema.Studio) error {
importer := &studio.Importer{
ReaderWriter: t.repository.Studio,
Input: *studioJSON,
MissingRefBehaviour: t.MissingRefBehaviour,
}
// first phase: return error if parent does not exist
if pendingParent != nil {
importer.MissingRefBehaviour = models.ImportMissingRefEnumFail
}
if err := performImport(ctx, importer, t.DuplicateBehaviour); err != nil {
return err
}
// now create the studios pending this studios creation
s := pendingParent[studioJSON.Name]
for _, childStudioJSON := range s {
// map is nil since we're not checking parent studios at this point
if err := t.importStudio(ctx, childStudioJSON, nil); err != nil {
return fmt.Errorf("failed to create child studio <%s>: %v", childStudioJSON.Name, err)
}
}
// delete the entry from the map so that we know its not left over
delete(pendingParent, studioJSON.Name)
return nil
}
func (t *ImportTask) ImportMovies(ctx context.Context) {
logger.Info("[movies] importing")
path := t.json.json.Movies
files, err := os.ReadDir(path)
if err != nil {
if !errors.Is(err, os.ErrNotExist) {
logger.Errorf("[movies] failed to read movies directory: %v", err)
}
return
}
r := t.repository
for i, fi := range files {
index := i + 1
movieJSON, err := jsonschema.LoadMovieFile(filepath.Join(path, fi.Name()))
if err != nil {
logger.Errorf("[movies] failed to read json: %v", err)
continue
}
logger.Progressf("[movies] %d of %d", index, len(files))
if err := r.WithTxn(ctx, func(ctx context.Context) error {
movieImporter := &movie.Importer{
ReaderWriter: r.Movie,
StudioWriter: r.Studio,
Input: *movieJSON,
MissingRefBehaviour: t.MissingRefBehaviour,
}
return performImport(ctx, movieImporter, t.DuplicateBehaviour)
}); err != nil {
logger.Errorf("[movies] <%s> import failed: %v", fi.Name(), err)
continue
}
}
logger.Info("[movies] import complete")
}
func (t *ImportTask) ImportFiles(ctx context.Context) {
logger.Info("[files] importing")
path := t.json.json.Files
files, err := os.ReadDir(path)
if err != nil {
if !errors.Is(err, os.ErrNotExist) {
logger.Errorf("[files] failed to read files directory: %v", err)
}
return
}
r := t.repository
pendingParent := make(map[string][]jsonschema.DirEntry)
for i, fi := range files {
index := i + 1
fileJSON, err := jsonschema.LoadFileFile(filepath.Join(path, fi.Name()))
if err != nil {
logger.Errorf("[files] failed to read json: %v", err)
continue
}
logger.Progressf("[files] %d of %d", index, len(files))
if err := r.WithTxn(ctx, func(ctx context.Context) error {
return t.importFile(ctx, fileJSON, pendingParent)
}); err != nil {
if errors.Is(err, file.ErrZipFileNotExist) {
// add to the pending parent list so that it is created after the parent
s := pendingParent[fileJSON.DirEntry().ZipFile]
s = append(s, fileJSON)
pendingParent[fileJSON.DirEntry().ZipFile] = s
continue
}
logger.Errorf("[files] <%s> failed to create: %v", fi.Name(), err)
continue
}
}
// create the leftover studios, warning for missing parents
if len(pendingParent) > 0 {
logger.Warnf("[files] importing files with missing zip files")
for _, s := range pendingParent {
for _, orphanFileJSON := range s {
if err := r.WithTxn(ctx, func(ctx context.Context) error {
return t.importFile(ctx, orphanFileJSON, nil)
}); err != nil {
logger.Errorf("[files] <%s> failed to create: %v", orphanFileJSON.DirEntry().Path, err)
continue
}
}
}
}
logger.Info("[files] import complete")
}
func (t *ImportTask) importFile(ctx context.Context, fileJSON jsonschema.DirEntry, pendingParent map[string][]jsonschema.DirEntry) error {
r := t.repository
fileImporter := &file.Importer{
ReaderWriter: r.File,
FolderStore: r.Folder,
Input: fileJSON,
}
// ignore duplicate files - don't overwrite
if err := performImport(ctx, fileImporter, ImportDuplicateEnumIgnore); err != nil {
return err
}
// now create the files pending this file's creation
s := pendingParent[fileJSON.DirEntry().Path]
for _, childFileJSON := range s {
// map is nil since we're not checking parent studios at this point
if err := t.importFile(ctx, childFileJSON, nil); err != nil {
return fmt.Errorf("failed to create child file <%s>: %v", childFileJSON.DirEntry().Path, err)
}
}
// delete the entry from the map so that we know its not left over
delete(pendingParent, fileJSON.DirEntry().Path)
return nil
}
func (t *ImportTask) ImportGalleries(ctx context.Context) {
logger.Info("[galleries] importing")
path := t.json.json.Galleries
files, err := os.ReadDir(path)
if err != nil {
if !errors.Is(err, os.ErrNotExist) {
logger.Errorf("[galleries] failed to read galleries directory: %v", err)
}
return
}
r := t.repository
for i, fi := range files {
index := i + 1
galleryJSON, err := jsonschema.LoadGalleryFile(filepath.Join(path, fi.Name()))
if err != nil {
logger.Errorf("[galleries] failed to read json: %v", err)
continue
}
logger.Progressf("[galleries] %d of %d", index, len(files))
if err := r.WithTxn(ctx, func(ctx context.Context) error {
galleryImporter := &gallery.Importer{
ReaderWriter: r.Gallery,
FolderFinder: r.Folder,
FileFinder: r.File,
PerformerWriter: r.Performer,
StudioWriter: r.Studio,
TagWriter: r.Tag,
Input: *galleryJSON,
MissingRefBehaviour: t.MissingRefBehaviour,
}
if err := performImport(ctx, galleryImporter, t.DuplicateBehaviour); err != nil {
return err
}
// import the gallery chapters
for _, m := range galleryJSON.Chapters {
chapterImporter := &gallery.ChapterImporter{
GalleryID: galleryImporter.ID,
Input: m,
MissingRefBehaviour: t.MissingRefBehaviour,
ReaderWriter: r.GalleryChapter,
}
if err := performImport(ctx, chapterImporter, t.DuplicateBehaviour); err != nil {
return err
}
}
return nil
}); err != nil {
logger.Errorf("[galleries] <%s> import failed to commit: %v", fi.Name(), err)
continue
}
}
logger.Info("[galleries] import complete")
}
func (t *ImportTask) ImportTags(ctx context.Context) {
pendingParent := make(map[string][]*jsonschema.Tag)
logger.Info("[tags] importing")
path := t.json.json.Tags
files, err := os.ReadDir(path)
if err != nil {
if !errors.Is(err, os.ErrNotExist) {
logger.Errorf("[tags] failed to read tags directory: %v", err)
}
return
}
r := t.repository
for i, fi := range files {
index := i + 1
tagJSON, err := jsonschema.LoadTagFile(filepath.Join(path, fi.Name()))
if err != nil {
logger.Errorf("[tags] failed to read json: %v", err)
continue
}
logger.Progressf("[tags] %d of %d", index, len(files))
if err := r.WithTxn(ctx, func(ctx context.Context) error {
return t.importTag(ctx, tagJSON, pendingParent, false)
}); err != nil {
var parentError tag.ParentTagNotExistError
if errors.As(err, &parentError) {
pendingParent[parentError.MissingParent()] = append(pendingParent[parentError.MissingParent()], tagJSON)
continue
}
logger.Errorf("[tags] <%s> failed to import: %v", fi.Name(), err)
continue
}
}
for _, s := range pendingParent {
for _, orphanTagJSON := range s {
if err := r.WithTxn(ctx, func(ctx context.Context) error {
return t.importTag(ctx, orphanTagJSON, nil, true)
}); err != nil {
logger.Errorf("[tags] <%s> failed to create: %v", orphanTagJSON.Name, err)
continue
}
}
}
logger.Info("[tags] import complete")
}
func (t *ImportTask) importTag(ctx context.Context, tagJSON *jsonschema.Tag, pendingParent map[string][]*jsonschema.Tag, fail bool) error {
importer := &tag.Importer{
ReaderWriter: t.repository.Tag,
Input: *tagJSON,
MissingRefBehaviour: t.MissingRefBehaviour,
}
// first phase: return error if parent does not exist
if !fail {
importer.MissingRefBehaviour = models.ImportMissingRefEnumFail
}
if err := performImport(ctx, importer, t.DuplicateBehaviour); err != nil {
return err
}
for _, childTagJSON := range pendingParent[tagJSON.Name] {
if err := t.importTag(ctx, childTagJSON, pendingParent, fail); err != nil {
var parentError tag.ParentTagNotExistError
if errors.As(err, &parentError) {
pendingParent[parentError.MissingParent()] = append(pendingParent[parentError.MissingParent()], childTagJSON)
continue
}
return fmt.Errorf("failed to create child tag <%s>: %v", childTagJSON.Name, err)
}
}
delete(pendingParent, tagJSON.Name)
return nil
}
func (t *ImportTask) ImportScenes(ctx context.Context) {
logger.Info("[scenes] importing")
path := t.json.json.Scenes
files, err := os.ReadDir(path)
if err != nil {
if !errors.Is(err, os.ErrNotExist) {
logger.Errorf("[scenes] failed to read scenes directory: %v", err)
}
return
}
r := t.repository
for i, fi := range files {
index := i + 1
logger.Progressf("[scenes] %d of %d", index, len(files))
sceneJSON, err := jsonschema.LoadSceneFile(filepath.Join(path, fi.Name()))
if err != nil {
logger.Infof("[scenes] <%s> json parse failure: %v", fi.Name(), err)
continue
}
if err := r.WithTxn(ctx, func(ctx context.Context) error {
sceneImporter := &scene.Importer{
ReaderWriter: r.Scene,
Input: *sceneJSON,
FileFinder: r.File,
FileNamingAlgorithm: t.fileNamingAlgorithm,
MissingRefBehaviour: t.MissingRefBehaviour,
GalleryFinder: r.Gallery,
MovieWriter: r.Movie,
PerformerWriter: r.Performer,
StudioWriter: r.Studio,
TagWriter: r.Tag,
}
if err := performImport(ctx, sceneImporter, t.DuplicateBehaviour); err != nil {
return err
}
// import the scene markers
for _, m := range sceneJSON.Markers {
markerImporter := &scene.MarkerImporter{
SceneID: sceneImporter.ID,
Input: m,
MissingRefBehaviour: t.MissingRefBehaviour,
ReaderWriter: r.SceneMarker,
TagWriter: r.Tag,
}
if err := performImport(ctx, markerImporter, t.DuplicateBehaviour); err != nil {
return err
}
}
return nil
}); err != nil {
logger.Errorf("[scenes] <%s> import failed: %v", fi.Name(), err)
}
}
logger.Info("[scenes] import complete")
}
func (t *ImportTask) ImportImages(ctx context.Context) {
logger.Info("[images] importing")
path := t.json.json.Images
files, err := os.ReadDir(path)
if err != nil {
if !errors.Is(err, os.ErrNotExist) {
logger.Errorf("[images] failed to read images directory: %v", err)
}
return
}
r := t.repository
for i, fi := range files {
index := i + 1
logger.Progressf("[images] %d of %d", index, len(files))
imageJSON, err := jsonschema.LoadImageFile(filepath.Join(path, fi.Name()))
if err != nil {
logger.Infof("[images] <%s> json parse failure: %v", fi.Name(), err)
continue
}
if err := r.WithTxn(ctx, func(ctx context.Context) error {
imageImporter := &image.Importer{
ReaderWriter: r.Image,
FileFinder: r.File,
Input: *imageJSON,
MissingRefBehaviour: t.MissingRefBehaviour,
GalleryFinder: r.Gallery,
PerformerWriter: r.Performer,
StudioWriter: r.Studio,
TagWriter: r.Tag,
}
return performImport(ctx, imageImporter, t.DuplicateBehaviour)
}); err != nil {
logger.Errorf("[images] <%s> import failed: %v", fi.Name(), err)
}
}
logger.Info("[images] import complete")
}