Woocommerce plugin price raise & drop. and force komment rating

I already have a design, I just need you to build it. I already have a design, I just need you to build it. The price of each (Produkt) file, which is uploaded, is initially free of charge. Of the Price is determined by the following factors: Evaluation of the file by previous buyers, as well as by demand. This means that each valuation depends on the stars a price increase to the Has a consequence. 1 star = 0.0005 francs 2 stars = 0.005 francs 3 stars = 0.015 francs 4 stars = 0.035 francs 5 stars = 0.05 francs If a file is no longer downloaded over a period of 5 days, The value drops and with it also the price of the file by 2 per cent per additional Elapsed until the file is either repurchased or dropped to zero Then free. All of these variables are later to be adjusted in the Wordpress WP Admin Panel To make necessary adjustments due to the user volume ------------------------------------------------------------- I already have a design, I just need you to build it. A. Because the price, as mentioned above, depends on the valuation of previous buyers , These should also evaluate the files. This must be enforced because that System otherwise not working. So the account of the buyer should be blocked until he The file has evaluated, then he may continue to use the offer of Pencil Case