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To calculate the estimated delivery order wait time, you add the amount of time it takes to prepare delivery orders and the amount of time that restaurant employees have chosen to delay delivery order firing.
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deliveryPrepTime- The time it takes to prepare and deliver a delivery order. -
deliveryThrottlingTime- the time that restaurant employees have chosen to delay delivery orders.
For example, if deliveryPrepTime is 50 minutes, and
deliveryThrottlingTime is 10 minutes, then the total
estimated order wait time is 60 minutes.
If the current time is outside of the restaurant's hours of
operation, then you must include the amount of time until the restaurant
is open. You can use the restaurant openTime and
closeTime values to determine whether delivery service is
available. For example, if the current time is 10:00 AM, but the
restaurant does not open or accept delivery orders until 12:00 PM, then
you need to add two hours to the order wait time.
For a scheduled order, you must also make sure that
promisedDate is within the allowed maximum amount of time for
future orders. For example, a restaurant might not accept scheduled orders
for a date that is more than two weeks in the future.