fix(donation): set minimum amount as the donation amount if it is less than the min amount, when saving the donation.

[emgk]

User Story

As an Admin, I don't want minimum amount more than the donation amount at all so that the donor cannot proceed the donation with the less amount than the actual minimum amount.

Current Behavior

I currently can make the donation if the donation amount is less than the minimum amount and if I don't change the amount field on the front-end.

Expected Behavior

When saving the donation form in the backend and if the set donation amount is less than the minimum amount then make the minimum amount same as the actual donation amount.

Possible Solution

Make the minimum amount same as the donation amount if the donation amount is less than the donation minimum amount.

Visuals

[raftaar1191]

Finding

This is not working when the Donation Option is set as Multi-level Donation

We can used give_get_lowest_price_option function to get he lowest price

[ravinderk]

@raftaar1191 It is fine. Multi level does not follow this minimum donation rule. You can set level with donation amount minimum then custom donation amount.
We follow same rule in js also. You can process donation whatever set as level.

[ravinderk]

@raftaar1191 I am able to reproduce this

[emgk]

Re-opening this issue because:

1. This issue must be solved for Set Donation donation form's type only, and not for the multi-level donation form.
2. found !empty( $post_data['give-price-id'] ) which is wrong so need to test it.