Initial QSfera import

Server/services/graph/pkg/service/v0/sharedwithme.go

@@ -0,0 +1,104 @@
+package svc
+
+import (
+	"context"
+	"fmt"
+	"net/http"
+	"strings"
+
+	collaboration "github.com/cs3org/go-cs3apis/cs3/sharing/collaboration/v1beta1"
+	ocm "github.com/cs3org/go-cs3apis/cs3/sharing/ocm/v1beta1"
+	"github.com/go-chi/render"
+	libregraph "github.com/opencloud-eu/libre-graph-api-go"
+	"github.com/opencloud-eu/reva/v2/pkg/share"
+
+	"github.com/qsfera/server/services/graph/pkg/errorcode"
+	"github.com/qsfera/server/services/thumbnails/pkg/thumbnail"
+)
+
+// ListSharedWithMe lists the files shared with the current user.
+func (g Graph) ListSharedWithMe(w http.ResponseWriter, r *http.Request) {
+	ctx := r.Context()
+
+	expand := r.URL.Query().Get("$expand")
+	expandThumbnails := strings.Contains(expand, "thumbnails")
+
+	driveItems, err := g.listSharedWithMe(ctx, expandThumbnails)
+	if err != nil {
+		g.logger.Error().Err(err).Msg("listSharedWithMe failed")
+		errorcode.RenderError(w, r, err)
+		return
+	}
+
+	render.Status(r, http.StatusOK)
+	render.JSON(w, r, &ListResponse{Value: driveItems})
+}
+
+// listSharedWithMe is a helper function that lists the drive items shared with the current user.
+func (g Graph) listSharedWithMe(ctx context.Context, expandThumbnails bool) ([]libregraph.DriveItem, error) {
+	gatewayClient, err := g.gatewaySelector.Next()
+	if err != nil {
+		g.logger.Error().Err(err).Msg("could not select next gateway client")
+		return nil, err
+	}
+
+	listReceivedSharesResponse, err := gatewayClient.ListReceivedShares(ctx, &collaboration.ListReceivedSharesRequest{
+		Filters: []*collaboration.Filter{
+			share.SpaceRootFilter(false),
+		},
+	})
+	if err := errorcode.FromCS3Status(listReceivedSharesResponse.GetStatus(), err); err != nil {
+		g.logger.Error().Err(err).Msg("listing shares failed")
+		return nil, err
+	}
+	driveItems, err := cs3ReceivedSharesToDriveItems(ctx, g.logger, gatewayClient, g.identityCache, listReceivedSharesResponse.GetShares(), g.availableRoles)
+	if err != nil {
+		g.logger.Error().Err(err).Msg("could not convert received shares to drive items")
+		return nil, err
+	}
+
+	if g.config.IncludeOCMSharees {
+		listReceivedOCMSharesResponse, err := gatewayClient.ListReceivedOCMShares(ctx, &ocm.ListReceivedOCMSharesRequest{})
+		if err := errorcode.FromCS3Status(listReceivedSharesResponse.GetStatus(), err); err != nil {
+			g.logger.Error().Err(err).Msg("listing shares failed")
+			return nil, err
+		}
+		ocmDriveItems, err := cs3ReceivedOCMSharesToDriveItems(ctx, g.logger, gatewayClient, g.identityCache, listReceivedOCMSharesResponse.GetShares(), g.availableRoles)
+		if err != nil {
+			g.logger.Error().Err(err).Msg("could not convert received ocm shares to drive items")
+			return nil, err
+		}
+		driveItems = append(driveItems, ocmDriveItems...)
+	}
+
+	if expandThumbnails {
+		for k, item := range driveItems {
+			mt := item.GetFile().MimeType
+			if mt == nil {
+				continue
+			}
+
+			_, match := thumbnail.SupportedMimeTypes[*mt]
+			if match {
+				baseUrl := fmt.Sprintf("%s/dav/spaces/%s?scalingup=0&preview=1&processor=thumbnail",
+					g.config.Commons.QsferaURL,
+					item.RemoteItem.GetId())
+				smallUrl := baseUrl + "&x=36&y=36"
+				mediumUrl := baseUrl + "&x=48&y=48"
+				largeUrl := baseUrl + "&x=96&y=96"
+
+				item.SetThumbnails([]libregraph.ThumbnailSet{
+					{
+						Small:  &libregraph.Thumbnail{Url: &smallUrl},
+						Medium: &libregraph.Thumbnail{Url: &mediumUrl},
+						Large:  &libregraph.Thumbnail{Url: &largeUrl},
+					},
+				})
+
+				driveItems[k] = item // assign modified item back to the map
+			}
+		}
+	}
+
+	return driveItems, err
+}