mirror of https://github.com/Xhofe/alist
feat(drivers): alias a new storage with multi path (close #3248)
Andy Hsu
parent
3b2703a5e5
commit
301756ba03
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@ -0,0 +1,106 @@
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package alias
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import (
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"context"
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"errors"
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"strings"
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"github.com/alist-org/alist/v3/internal/driver"
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"github.com/alist-org/alist/v3/internal/errs"
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"github.com/alist-org/alist/v3/internal/model"
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"github.com/alist-org/alist/v3/pkg/utils"
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)
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type Alias struct {
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model.Storage
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Addition
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pathMap map[string][]string
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}
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func (d *Alias) Config() driver.Config {
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return config
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}
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func (d *Alias) GetAddition() driver.Additional {
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return &d.Addition
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}
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func (d *Alias) Init(ctx context.Context) error {
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if d.Paths == "" {
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return errors.New("paths is required")
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}
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d.pathMap = make(map[string][]string)
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for _, path := range strings.Split(d.Paths, "\n") {
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path = strings.TrimSpace(path)
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if path == "" {
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continue
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}
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k, v := getPair(path)
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d.pathMap[k] = append(d.pathMap[k], v)
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}
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return nil
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}
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func (d *Alias) Drop(ctx context.Context) error {
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d.pathMap = nil
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return nil
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}
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func (d *Alias) Get(ctx context.Context, path string) (model.Obj, error) {
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if utils.PathEqual(path, "/") {
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return &model.Object{
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Name: "Root",
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IsFolder: true,
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Path: "/",
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}, nil
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}
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root, sub := getRootAndPath(path)
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dsts, ok := d.pathMap[root]
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if !ok {
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return nil, errs.ObjectNotFound
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}
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for _, dst := range dsts {
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obj, err := d.get(ctx, path, dst, sub)
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if err == nil {
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return obj, nil
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}
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}
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return nil, errs.ObjectNotFound
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}
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func (d *Alias) List(ctx context.Context, dir model.Obj, args model.ListArgs) ([]model.Obj, error) {
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path := dir.GetPath()
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if utils.PathEqual(path, "/") {
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return d.listRoot(), nil
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}
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root, sub := getRootAndPath(path)
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dsts, ok := d.pathMap[root]
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if !ok {
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return nil, errs.ObjectNotFound
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}
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var objs []model.Obj
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for _, dst := range dsts {
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tmp, err := d.list(ctx, dst, sub)
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if err == nil {
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objs = append(objs, tmp...)
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}
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}
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return objs, nil
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}
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func (d *Alias) Link(ctx context.Context, file model.Obj, args model.LinkArgs) (*model.Link, error) {
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root, sub := getRootAndPath(file.GetPath())
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dsts, ok := d.pathMap[root]
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if !ok {
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return nil, errs.ObjectNotFound
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}
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for _, dst := range dsts {
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link, err := d.link(ctx, dst, sub, args)
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if err == nil {
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return link, nil
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}
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}
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return nil, errs.ObjectNotFound
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}
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var _ driver.Driver = (*Alias)(nil)
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@ -0,0 +1,27 @@
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package alias
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import (
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"github.com/alist-org/alist/v3/internal/driver"
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"github.com/alist-org/alist/v3/internal/op"
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)
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type Addition struct {
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// Usually one of two
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// driver.RootPath
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// define other
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Paths string `json:"paths" required:"true" type:"text"`
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}
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var config = driver.Config{
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Name: "Alias",
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LocalSort: true,
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NoCache: true,
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NoUpload: true,
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DefaultRoot: "/",
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}
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func init() {
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op.RegisterDriver(func() driver.Driver {
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return &Alias{}
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})
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}
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@ -0,0 +1 @@
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package alias
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@ -0,0 +1,81 @@
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package alias
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import (
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"context"
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stdpath "path"
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"strings"
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"github.com/alist-org/alist/v3/internal/fs"
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"github.com/alist-org/alist/v3/internal/model"
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"github.com/alist-org/alist/v3/pkg/utils"
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)
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func (d *Alias) listRoot() []model.Obj {
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var objs []model.Obj
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for k, _ := range d.pathMap {
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obj := model.Object{
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Name: k,
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IsFolder: true,
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Modified: d.Modified,
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}
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objs = append(objs, &obj)
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}
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return objs
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}
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// do others that not defined in Driver interface
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func getPair(path string) (string, string) {
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//path = strings.TrimSpace(path)
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if strings.Contains(path, ":") {
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pair := strings.SplitN(path, ":", 2)
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if !strings.Contains(pair[0], "/") {
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return pair[0], pair[1]
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}
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}
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return stdpath.Base(path), path
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}
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func getRootAndPath(path string) (string, string) {
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path = strings.TrimPrefix(path, "/")
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parts := strings.SplitN(path, "/", 2)
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if len(parts) == 1 {
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return parts[0], ""
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}
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return parts[0], parts[1]
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}
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func (d *Alias) get(ctx context.Context, path string, dst, sub string) (model.Obj, error) {
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obj, err := fs.Get(ctx, stdpath.Join(dst, sub))
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if err != nil {
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return nil, err
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}
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return &model.Object{
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Path: path,
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Name: obj.GetName(),
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Size: obj.GetSize(),
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Modified: obj.ModTime(),
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IsFolder: obj.IsDir(),
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}, nil
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}
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func (d *Alias) list(ctx context.Context, dst, sub string) ([]model.Obj, error) {
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objs, err := fs.List(ctx, stdpath.Join(dst, sub))
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// the obj must implement the model.SetPath interface
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// return objs, err
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if err != nil {
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return nil, err
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}
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return utils.SliceConvert(objs, func(obj model.Obj) (model.Obj, error) {
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return &model.Object{
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Name: obj.GetName(),
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Size: obj.GetSize(),
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Modified: obj.ModTime(),
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IsFolder: obj.IsDir(),
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}, nil
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})
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}
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func (d *Alias) link(ctx context.Context, dst, sub string, args model.LinkArgs) (*model.Link, error) {
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link, _, err := fs.Link(ctx, stdpath.Join(dst, sub), args)
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return link, err
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}
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@ -6,6 +6,7 @@ import (
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_ "github.com/alist-org/alist/v3/drivers/139"
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_ "github.com/alist-org/alist/v3/drivers/189"
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_ "github.com/alist-org/alist/v3/drivers/189pc"
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_ "github.com/alist-org/alist/v3/drivers/alias"
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_ "github.com/alist-org/alist/v3/drivers/alist_v2"
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_ "github.com/alist-org/alist/v3/drivers/alist_v3"
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_ "github.com/alist-org/alist/v3/drivers/aliyundrive"
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@ -32,42 +32,42 @@ func (d *Template) Drop(ctx context.Context) error {
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}
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func (d *Template) List(ctx context.Context, dir model.Obj, args model.ListArgs) ([]model.Obj, error) {
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// TODO return the files list
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// TODO return the files list, required
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return nil, errs.NotImplement
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}
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func (d *Template) Link(ctx context.Context, file model.Obj, args model.LinkArgs) (*model.Link, error) {
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// TODO return link of file
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// TODO return link of file, required
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return nil, errs.NotImplement
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}
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func (d *Template) MakeDir(ctx context.Context, parentDir model.Obj, dirName string) error {
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// TODO create folder
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// TODO create folder, optional
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return errs.NotImplement
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}
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func (d *Template) Move(ctx context.Context, srcObj, dstDir model.Obj) error {
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// TODO move obj
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// TODO move obj, optional
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return errs.NotImplement
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}
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func (d *Template) Rename(ctx context.Context, srcObj model.Obj, newName string) error {
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// TODO rename obj
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// TODO rename obj, optional
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return errs.NotImplement
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}
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func (d *Template) Copy(ctx context.Context, srcObj, dstDir model.Obj) error {
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// TODO copy obj
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// TODO copy obj, optional
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return errs.NotImplement
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}
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func (d *Template) Remove(ctx context.Context, obj model.Obj) error {
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// TODO remove obj
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// TODO remove obj, optional
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return errs.NotImplement
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}
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func (d *Template) Put(ctx context.Context, dstDir model.Obj, stream model.FileStreamer, up driver.UpdateProgress) error {
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// TODO upload file
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// TODO upload file, optional
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return errs.NotImplement
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}
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@ -14,14 +14,17 @@ type Addition struct {
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}
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var config = driver.Config{
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Name: "Template",
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LocalSort: false,
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OnlyLocal: false,
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OnlyProxy: false,
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NoCache: false,
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NoUpload: false,
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NeedMs: false,
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DefaultRoot: "root, / or other",
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Name: "Template",
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LocalSort: false,
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OnlyLocal: false,
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OnlyProxy: false,
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NoCache: false,
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NoUpload: false,
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NeedMs: false,
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DefaultRoot: "root, / or other",
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CheckStatus: false,
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Alert: "",
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NoOverwriteUpload: false,
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}
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func init() {
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