Starting the Journeys Upgrade

I picked up a huge task. Its estimated duration is 40 hours and was said that it's likely an underestimate. Migrating the endpoints themselves isn't a difficult task. It's the dependency inversions. I spent the whole day and only ended up getting 2 out of so many done, mainly because I was stuck on some DI's.

Times like this I can't figure out what I'm doing wrong, but as of right now this is what I am getting: