Re: same card can belong to multiple users but only in different time periods

2018-10-09 Thread Devender Kumar
Hi, I think finding solution to this can consume time. Simply make a function which will change the user reference of the card over a given period of time. Regards Dev On Mon 8 Oct, 2018, 10:47 PM Derek, wrote: > Apart from setting up a unique key (user, card, start, end), you may also > want

Re: same card can belong to multiple users but only in different time periods

2018-10-08 Thread Derek
Apart from setting up a unique key (user, card, start, end), you may also want to check if the date range for that card overlaps with another date range; e.g. see https://stackoverflow.com/questions/9044084/efficient-date-range-overlap-calculation-in-python --> do that check in the clean meth

Re: same card can belong to multiple users but only in different time periods

2018-10-08 Thread Nelson Varela
Django has DateRangeField but that is only available if you are using postgres On Monday, October 8, 2018 at 1:10:04 PM UTC+2, Shareef 617 wrote: > > Consider a project where users can have many cards (or anything else, card > is just an example), and the same card can belong to multiple users *

Re: same card can belong to multiple users but only in different time periods

2018-10-08 Thread Jason
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