1. For videos, blogs and photos rates:

1) user1 vote user2's item with 5 stars
2) user2 receive notification with "user1 vote your item(with link) X
stars"

2. For newsfeed's status and videos, blogs and photos comments:

Now in Oxwall notifications:

User1 post on newsfeedUser2 reply User1's postUser1 received notification that User2 reply own postUserX reply User1's postOnly User1 receive notification that UserX reply own post
Oxwall missing notifications:User1 post on newsfeedUser2 reply User1's postUser1 received notification that User2 reply own postUserX reply User1's postUser1 and User2 receive notification that UserX reply User1's post 
and go on...so UserN...X subcribe to notification of replyed post

Can anyone make a plugin for me?

How much it cost?

Thank you