feat(115_open): implement Getter interface

drivers/115_open/driver.go

@@ -4,6 +4,8 @@ import (
 	"context"
 	"fmt"
 	"net/http"
+	stdpath "path"
+	"slices"
 	"strconv"
 	"strings"
 	"time"
@@ -131,6 +133,46 @@ func (d *Open115) Link(ctx context.Context, file model.Obj, args model.LinkArgs)
 	}, nil
 }
 
+func (d *Open115) Get(ctx context.Context, path string) (model.Obj, error) {
+	if err := d.WaitLimit(ctx); err != nil {
+		return nil, err
+	}
+
+	// add parent path
+	if d.GetRootId() != d.Config().DefaultRoot {
+		folderInfo, err := d.client.GetFolderInfo(ctx, d.GetRootId())
+		if err != nil {
+			return nil, err
+		}
+
+		if folderInfo.FileID != d.Config().DefaultRoot {
+			path = stdpath.Join(folderInfo.FileName, path)
+		}
+
+		parentPaths := folderInfo.Paths
+		slices.Reverse(parentPaths)
+		for _, parentPathInfo := range parentPaths {
+			if parentPathInfo.FileID == d.Config().DefaultRoot {
+				path = stdpath.Join("/", path)
+			} else {
+				path = stdpath.Join("/", parentPathInfo.FileName, path)
+			}
+		}
+	}
+
+	resp, err := d.client.GetFolderInfoByPath(ctx, path)
+	if err != nil {
+		return nil, err
+	}
+	return &Obj{
+		Fid:  resp.FileID,
+		Fn:   resp.FileName,
+		Fc:   resp.FileCategory,
+		Sha1: resp.Sha1,
+		Pc:   resp.PickCode,
+	}, nil
+}
+
 func (d *Open115) MakeDir(ctx context.Context, parentDir model.Obj, dirName string) (model.Obj, error) {
 	if err := d.WaitLimit(ctx); err != nil {
 		return nil, err