create folders if they are not existing

Signed-off-by: jkoberg <jkoberg@owncloud.com>

services/graph/pkg/service/v0/personaldata.go

@@ -2,14 +2,15 @@ package svc
 
 import (
 	"bytes"
+	"context"
 	"encoding/json"
 	"fmt"
 	"io"
 	"net/http"
 	"path/filepath"
 	"strconv"
-	"time"
 
+	gateway "github.com/cs3org/go-cs3apis/cs3/gateway/v1beta1"
 	user "github.com/cs3org/go-cs3apis/cs3/identity/user/v1beta1"
 	rpc "github.com/cs3org/go-cs3apis/cs3/rpc/v1beta1"
 	provider "github.com/cs3org/go-cs3apis/cs3/storage/provider/v1beta1"
@@ -59,13 +60,8 @@ func (g Graph) ExportPersonalData(w http.ResponseWriter, r *http.Request) {
 	}
 
 	// touch file
-	gwc := g.GetGatewayClient()
-	resp, err := gwc.TouchFile(ctx, &provider.TouchFileRequest{
-		Opaque: utils.AppendPlainToOpaque(nil, "markprocessing", "true"),
-		Ref:    ref,
-	})
-	if err != nil || resp.GetStatus().GetCode() != rpc.Code_CODE_OK {
-		g.logger.Error().Err(err).Str("status", resp.GetStatus().GetMessage()).Msg("error touching file")
+	if err := mustTouchFile(ctx, ref, g.GetGatewayClient()); err != nil {
+		g.logger.Error().Err(err).Msg("error touching file")
 		w.WriteHeader(http.StatusInternalServerError)
 		return
 	}
@@ -78,9 +74,6 @@ func (g Graph) ExportPersonalData(w http.ResponseWriter, r *http.Request) {
 
 // GatherPersonalData will all gather all personal data of the user and save it to a file in the users personal space
 func (g Graph) GatherPersonalData(usr *user.User, ref *provider.Reference, token string, marsh Marshaller) {
-	// TMP - Delay processing - comment if you read this on PR
-	time.Sleep(10 * time.Second)
-
 	// create data
 	data := make(map[string]interface{})
 
@@ -146,6 +139,58 @@ func (g Graph) upload(u *user.User, data []byte, ref *provider.Reference, th str
 	return nil
 }
 
+// touches the file, creating folders if neccessary
+func mustTouchFile(ctx context.Context, ref *provider.Reference, gwc gateway.GatewayAPIClient) error {
+	if err := touchFile(ctx, ref, gwc); err == nil {
+		return nil
+	}
+
+	if err := createFolders(ctx, ref, gwc); err != nil {
+		return err
+	}
+
+	return touchFile(ctx, ref, gwc)
+}
+
+func touchFile(ctx context.Context, ref *provider.Reference, gwc gateway.GatewayAPIClient) error {
+	resp, err := gwc.TouchFile(ctx, &provider.TouchFileRequest{
+		Opaque: utils.AppendPlainToOpaque(nil, "markprocessing", "true"),
+		Ref:    ref,
+	})
+	if err != nil {
+		return err
+	}
+	if resp.GetStatus().GetCode() != rpc.Code_CODE_OK {
+		return fmt.Errorf("unexpected statuscode while touching file: %d %s", resp.GetStatus().GetCode(), resp.GetStatus().GetMessage())
+	}
+	return nil
+}
+
+func createFolders(ctx context.Context, ref *provider.Reference, gwc gateway.GatewayAPIClient) error {
+	var pathes []string
+	p := filepath.Dir(ref.GetPath())
+	for p != "." {
+		pathes = append([]string{p}, pathes...)
+		fmt.Println(pathes)
+		p = filepath.Dir(p)
+	}
+
+	for _, p := range pathes {
+		r := &provider.Reference{ResourceId: ref.GetResourceId(), Path: p}
+		resp, err := gwc.CreateContainer(ctx, &provider.CreateContainerRequest{Ref: r})
+		if err != nil {
+			return err
+		}
+
+		code := resp.GetStatus().GetCode()
+		if code != rpc.Code_CODE_OK && code != rpc.Code_CODE_ALREADY_EXISTS {
+			return fmt.Errorf("unexpected statuscode while creating folder: %d %s", code, resp.GetStatus().GetMessage())
+		}
+	}
+	return nil
+
+}
+
 func getLocation(r *http.Request) string {
 	// from body
 	var req ExportPersonalDataRequest