Urgent Opencart Event & Wishlist Modification

I need immediate help modifying the Event or wishlist feature on my Opencart marketplace website. I have a highly customized opencart marketplace website. Among the 100s of custom works for me, there is this EVENTS which is like advance Wish List!! Customers can create Private and Public Events and add as many products as they like to this Event or Wish list. When customer create Event or wishlist, he can set the shipping address for his Event or wishlist items so, if anybody bought anything from this Event or wishlist, it must be shipped to the Event or Wishlist owner, not to the customer who bought it. It seems, there are some modifications or fixes needed for this Events or Wishlist. 1- In Admin, Seller, Customer and new order emails order details pages, orders made from this Event or Wishlist should show Event Owner shipping address so that these items can be shipped to Event or Wishlist owner. 2- In ALL order details page, it must very clearly show that this items is Bought for Events Owner and must be shipped to Event owner. 3- Once all required quantity from the Events or Wishlist is bought, Add to Cart button in Events or Wishlist must change to All Bought button. You will be working or testing your works on one of my clones [login to view URL] and once its good for me, you can apply or add the same work to my main site. Here is a link of the Events or Wishlist for you to see. [login to view URL] Please make sure your modifications wont break any other works in my website. If any such is noticed, you must fix that issue. You must send a copy of the modification as XML file so that I can keep it as a backup. All I can share is FTP and admin details, NO cPANEL access is available. Please dont request for cPanel access. Please do not make any PLACEHOLDER bids. You bid price is FINAL. As my website has lots of custom works, this project is ONLY for experienced developers. This is an urgent project. I'm looking for a developer with solid experience in customizing Opencart websites and working on event pages and wishlist features. It's important that you can deliver high-quality work quickly.