Product base condition of Mycred points payment.

Hello,

I saw the similar project as following:
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https://www.freelancer.com/projects/Graphic-Design/Allow-user-pay-partial-payments/
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We need a plugin to extend payment, similar to the above one, and further more information of our demands as below:

As a payment gateway or a virtual currency, Mycred works globally, it is not so flexible for several situation. In online promoting marketing “game” or activities, we encourage customers to get mycred points by joining in online activities, and also encourage them to spend these points on our Woocommerce store, when I say we hope customer can partially pay via Mycred points, actually there are some potential conditions or situations:

1#. Firstly, Mycred points is not accept for Delivery Expense in any order or situations:

For any order and any products, even including the products which mycred points are allowed to use, the delivery expenses as part of an order is only accepted to be payed via the currency in payment method. That means Mycred points can not be used to pay for delivery expense in any order or any situation. Because we can give a customer a free promote product and afford the cost of a promote product, but it is not possible for us to afford all of delivery expenses, also because we have to pay the delivery carriers in advance of delivery, so we have to ask customer to pay for delivery expense via our currency when they place any orders. So, when we say the customer can pay vial Mycred points for partial of an order, we mean only the part of price of a product in an order, but not including the delivery expense of any orders, the customer must pay via currency both for the rest of the product and delivery expense of this order.

For example, there are three parts in a order:
A: the cost of product,
B:the profit margin of a product,
C: the delivery expense of an order
Mycred points could never be used for part C.

2#Secondly, Mycred points are only accepted for SOME SPECIFIC product.
I mean they can pay partially via Mycred points only when they place the orders upon with some specific products, not all of products in store. For some products, Mycred points would be never be accepted.

For example, there are product A and product B in a store, Mycred Point can be used pay for Product A, but can not be used for product B, if a customer place an order with both Product A and product B at the same time, the payment of the total balance of the order will show as:

X:the price of Product A: Mycred points
Y:the price of product B:Currency
Z:the delivery expenses of the order: Currency

The customer need pay via currency for Y+Z.

3# Even for the product which Mycred point is accepted, we still need Setting a specific percentage or a specific amount of product price need to be paid Via currency, or limit the percentage of Mycred points to be used in a single product.

Since delivery expense need to be paid via currency in any situation as 1#, for example, if the customer place order of product A, the total balance as following:

X% =percentage of the price, or the amount of the product price=the cost of product,
Y%=percentage of the price= the profit margin of product.
Z =delivery expense.

we need to set a minimum to be paid via currency:
X% product price+Z

I know there is plugin of WooCommerce Conditional Shipping and Payments at https://woocommerce.com/products/conditional-shipping-and-payments/, unfortunately, it does not support Mycred.

If you can do, please let me know.

Alex