Once your have your folders downloaded, if using oDrive you will need to move them to a folder under Pictures and run First Aid on your disk otherwise you "have no permission to view the files" and you get no photos imported - this sucks and took me some time to find this out.
Then start Apple script load this file, then save it and hit execute, this will then ask your for a folder to import - this is the folder you moved your photos to with oDrive - select this folder and sit back and watch the magic
Download from Github
View GitHub Project
However, if you have High Sierra if you click File > Import when you select the folder choose "keep folder structure" and this imports folders as albums - sweet - however as this is a beta it sometimes ignores you and does not work.
High SIerra is a beta and it will be buggy, but its really buggy at the moment - do not get me started on the awful space reporting on APFS.