private uploadFileSystemDirectoryEntry()

in src/app/files/files.service.ts [610:643]
32 lines of code
3 McCabe index (conditional complexity)

    private uploadFileSystemDirectoryEntry(fsDirectory: FileSystemDirectoryEntry, to: ApiFile): Promise<any> {
        let dir = new ApiFile();
        dir.type = ApiFileType.Directory;
        dir.name = fsDirectory.name;

        return this.createInternal(dir, to)
            .catch(e => {
                if (e.status != 409) {
                    throw e;
                }
                this._notificationService.clearWarnings();
                return this.getByPhysicalPath(to.physical_path + '\\' + dir.name);
            })
            .then(newDir => {
                return this.getChildItems(fsDirectory)
                    .then(entries => {
                        return this.uploadItemsInternal(entries, newDir)
                            .then(uploadItems => {
                                return this.getFileSystemEntryMetadata(fsDirectory)
                                    .then(metadata => {
                                        // Update LastModified
                                        return this.update(newDir, { last_modified: metadata.modificationTime });
                                    });
                            });
                    })
                    .catch(e => {
                        this.handleError(e);
                        if (newDir) {
                            this._notificationService.warn("An error occured while uploading " + dir.physical_path);
                        }
                        throw e;
                    });
            });
    }