phpprobid moduls

i need added models to phpprobid (B2B) the below is some items,but my web site very very bigger. Site B2B User can buy ,sell, auction like ebay-rent to each other Buy: Now explain buy-rent Buyer can buy with click at (added to basket or added ,..) every think from different category or different sellers go to one basket Why I tell above suggestion? Because for each order include for example 1000 products do not need choose shipping or payment ,for each products After finishing basket or buy or request send to seller Auction: exactly like eBay process for this reason do not explain more Buyer how search: From category Choose category or sub category or sub sub and begin look or filtering and added to basket From search Simple search ,can put one keyword or 2 or 3 ,…. And begin search at all category or 1 category or sub category Advance search: according table admin define for each category can search For example for all category admin define field key word-country-price-new or used or rebuild –seller id and …. etc At all category general information similar at all category put for advance search For example at category cloth for advance search buyer can put size-color-brand ,type, price-seller id-…. For example for category car ,type-brand-horse power-millage-painted-color-tire-inspection,….. So admin define each advance search depending category which field must have Bulk search: exactly like simple search ,only buyer can search many items at one time For example want search for 12345 and 67890 at one time For example have all need search at one excel and more than 100 items ,so copy and paste Search from catalogue Look at [login to view URL] We have many catalogue from different brands and buyer added products from catalogue and after finish added begin to search So different with catalogue search to other search (simple & advance & bulk) is choose from catalogue and after finish ,begin search at order status After finish search see result by user and according category can filter them Sell: Seller have auction exactly like ebay for this reason do not explain more At rent different price need for example price for 1 hour for 1 day ,1 week ,1 month ,.. Category and products Product can have standard definition like ebay or other web site Product depending as category can have different definition as table Related product For each product we can define different related products 1-old 2-new 3-simmilar 4-child 5-cross reference Product and related we can upload at excel or csv or anything u suggested When upload at csv or .. also if give link for pictures uploaded