How to contrainst a thing when that day is already booked?

[viquarahmed07]

@Viktor
I think you need to use date ranges.
Here is the link which quietly resemble your scenario

[New Feature] Date and Number Range support

We’ve announced that we were working on this a few days ago. We’ve added two data types to Bubble and search support for them. You can define a date range (defined with 2 dates) and a number range. This will be especially useful if you want to build a booking system a la Airbnb, etc. To define a date range, you should define such a field on a type use two dates (for instance 2 inputs), and do this [image] Then to perform some searches, you can search for entries whose range are contained, …