Feat: List files in OneDrive

pkg/filesystem/driver/onedrive/api.go

@@ -26,6 +26,8 @@ const (
 	SmallFileSize uint64 = 4 * 1024 * 1024
 	// ChunkSize 分片上传分片大小
 	ChunkSize uint64 = 10 * 1024 * 1024
+	// ListRetry 列取请求重试次数
+	ListRetry = 1
 )
 
 // GetSourcePath 获取文件的绝对路径
@@ -59,6 +61,43 @@ func (client *Client) getRequestURL(api string) string {
 	return base.String()
 }
 
+// ListChildren 根据路径列取子对象
+func (client *Client) ListChildren(ctx context.Context, path string) ([]FileInfo, error) {
+	var requestURL string
+	dst := strings.TrimPrefix(path, "/")
+	if dst == "" {
+		requestURL = client.getRequestURL("me/drive/root/children")
+	} else {
+		requestURL = client.getRequestURL("me/drive/root:/" + dst + ":/children")
+	}
+
+	res, err := client.requestWithStr(ctx, "GET", requestURL+"?$top=999999999", "", 200)
+	if err != nil {
+		retried := 0
+		if v, ok := ctx.Value(fsctx.RetryCtx).(int); ok {
+			retried = v
+		}
+		if retried < ListRetry {
+			retried++
+			util.Log().Debug("路径[%s]列取请求失败[%s]，5秒钟后重试", path, err)
+			time.Sleep(time.Duration(5) * time.Second)
+			return client.ListChildren(context.WithValue(ctx, fsctx.RetryCtx, retried), path)
+		}
+		return nil, err
+	}
+
+	var (
+		decodeErr error
+		fileInfo  ListResponse
+	)
+	decodeErr = json.Unmarshal([]byte(res), &fileInfo)
+	if decodeErr != nil {
+		return nil, decodeErr
+	}
+
+	return fileInfo.Value, nil
+}
+
 // Meta 根据资源ID或文件路径获取文件元信息
 func (client *Client) Meta(ctx context.Context, id string, path string) (*FileInfo, error) {
 	var requestURL string

pkg/filesystem/driver/onedrive/handler.go

@@ -12,6 +12,9 @@ import (
 	"github.com/HFO4/cloudreve/pkg/serializer"
 	"io"
 	"net/url"
+	"path"
+	"path/filepath"
+	"strings"
 	"time"
 )
 
@@ -22,8 +25,49 @@ type Driver struct {
 	HTTPClient request.Client
 }
 
-func (handler Driver) List(ctx context.Context, path string, recursive bool) ([]response.Object, error) {
-	panic("implement me")
+// List 列取项目
+func (handler Driver) List(ctx context.Context, base string, recursive bool) ([]response.Object, error) {
+	base = strings.TrimPrefix(base, "/")
+	// 列取子项目
+	objects, _ := handler.Client.ListChildren(ctx, base)
+
+	// 获取真实的列取起始根目录
+	rootPath := base
+	if realBase, ok := ctx.Value(fsctx.PathCtx).(string); ok {
+		rootPath = realBase
+	} else {
+		ctx = context.WithValue(ctx, fsctx.PathCtx, base)
+	}
+
+	// 整理结果
+	res := make([]response.Object, 0, len(objects))
+	for _, object := range objects {
+		source := path.Join(base, object.Name)
+		rel, err := filepath.Rel(rootPath, source)
+		if err != nil {
+			continue
+		}
+		res = append(res, response.Object{
+			Name:         object.Name,
+			RelativePath: filepath.ToSlash(rel),
+			Source:       source,
+			Size:         object.Size,
+			IsDir:        object.Folder != nil,
+			LastModify:   time.Now(),
+		})
+	}
+
+	// 递归列取子目录
+	if recursive {
+		for _, object := range objects {
+			if object.Folder != nil {
+				sub, _ := handler.List(ctx, path.Join(base, object.Name), recursive)
+				res = append(res, sub...)
+			}
+		}
+	}
+
+	return res, nil
 }
 
 // Get 获取文件

pkg/filesystem/driver/onedrive/types.go

@@ -32,6 +32,16 @@ type FileInfo struct {
 	Image           imageInfo       `json:"image"`
 	ParentReference parentReference `json:"parentReference"`
 	DownloadURL     string          `json:"@microsoft.graph.downloadUrl"`
+	File            *file           `json:"file"`
+	Folder          *folder         `json:"folder"`
+}
+
+type file struct {
+	MimeType string `json:"mimeType"`
+}
+
+type folder struct {
+	ChildCount int `json:"childCount"`
 }
 
 type imageInfo struct {
@@ -83,6 +93,12 @@ type ThumbResponse struct {
 	URL   string                   `json:"url"`
 }
 
+// ListResponse 列取子项目响应
+type ListResponse struct {
+	Value   []FileInfo `json:"value"`
+	Context string     `json:"@odata.context"`
+}
+
 // Chunk 文件分片
 type Chunk struct {
 	Offset    int