Thanks heaps this should get me started On Wed, Apr 5, 2017 at 2:42 PM, Lachlan Musicman <data...@gmail.com> wrote:
> Well, if it's on the user model as a function, then it will happen as soon > as you call it. > > If they can have mulitple applications in process, then you will need to > program your function(s) to account for that. > > As they say "there's more than one way to do it". > > You could add a "remaining days" var to the user model and store the info > in there secretly. > You could get the function to programmatically work through the > applications for the user in the order in which they have been received? > ... > > cheers > L. > > > ------ > The most dangerous phrase in the language is, "We've always done it this > way." > > - Grace Hopper > > On 5 April 2017 at 13:21, sum abiut <suab...@gmail.com> wrote: > >> Thank for taking your time to respond. my problem is automating that, for >> example when a user apply for a leave i want the system to calculate and >> update the total balance automatically. But Since a user can apply for a >> leave more that once which mean a user can have more that one record of >> leave application on the database. My problem is having to figure out when >> was the last time that the user has launch his/her leave application so >> that i can minus num_days from the that total balance. >> >> >> thanks >> >> >> >> On Wed, Apr 5, 2017 at 12:20 PM, Lachlan Musicman <data...@gmail.com> >> wrote: >> >>> Depends on your models, but write a small function that returns the >>> balance? >>> >>> def balance(self): >>> return self.entitlement - self.num_days >>> >>> >>> (for instance) >>> >>> L. >>> >>> ------ >>> The most dangerous phrase in the language is, "We've always done it this >>> way." >>> >>> - Grace Hopper >>> >>> On 5 April 2017 at 10:49, sum abiut <suab...@gmail.com> wrote: >>> >>>> Hi, >>>> >>>> I am working on an leave management system and I am having a some >>>> difficulties trying to figure out how to accomplished this scenario. >>>> >>>> for example i have a table of. >>>> >>>> when a user apply for a leave i want to get the previous >>>> total_leave_balance of the applicant and minus his/her current num_days and >>>> assign the result to be the total_leave_balance. Please advise what would >>>> be the best way to approach this. >>>> >>>> >>>> *username* *first_name* *second_name* *num_days* *leave_entitlement* >>>> *beginning_bal* *Total_leave_balance* >>>> jtom james tom 3 12 23 20 >>>> tjohn tom john 2 2 5 7 >>>> atom anna tom 3 21 2 >>>> >>>> jtom james tom 3 4 2 >>>> >>>> atom anna tom 3 3 5 >>>> >>>> >>>> >>>> cheers, >>>> >>>> -- >>>> You received this message because you are subscribed to the Google >>>> Groups "Django users" group. >>>> To unsubscribe from this group and stop receiving emails from it, send >>>> an email to django-users+unsubscr...@googlegroups.com. >>>> To post to this group, send email to django-users@googlegroups.com. >>>> Visit this group at https://groups.google.com/group/django-users. >>>> To view this discussion on the web visit https://groups.google.com/d/ms >>>> gid/django-users/CAPCf-y562uvxRwTf0iFnT6Lcos8_nd3FD5u%3D7MVV >>>> p2yN4qAcDA%40mail.gmail.com >>>> <https://groups.google.com/d/msgid/django-users/CAPCf-y562uvxRwTf0iFnT6Lcos8_nd3FD5u%3D7MVVp2yN4qAcDA%40mail.gmail.com?utm_medium=email&utm_source=footer> >>>> . >>>> For more options, visit https://groups.google.com/d/optout. >>>> >>> >>> -- >>> You received this message because you are subscribed to the Google >>> Groups "Django users" group. >>> To unsubscribe from this group and stop receiving emails from it, send >>> an email to django-users+unsubscr...@googlegroups.com. >>> To post to this group, send email to django-users@googlegroups.com. >>> Visit this group at https://groups.google.com/group/django-users. >>> To view this discussion on the web visit https://groups.google.com/d/ms >>> gid/django-users/CAGBeqiN6th0dJWHTN0R--sehmD0B--DzbzUV6a5mXO >>> Lfz_5MHg%40mail.gmail.com >>> <https://groups.google.com/d/msgid/django-users/CAGBeqiN6th0dJWHTN0R--sehmD0B--DzbzUV6a5mXOLfz_5MHg%40mail.gmail.com?utm_medium=email&utm_source=footer> >>> . >>> For more options, visit https://groups.google.com/d/optout. >>> >> >> >> -- >> You received this message because you are subscribed to the Google Groups >> "Django users" group. >> To unsubscribe from this group and stop receiving emails from it, send an >> email to django-users+unsubscr...@googlegroups.com. >> To post to this group, send email to django-users@googlegroups.com. >> Visit this group at https://groups.google.com/group/django-users. >> To view this discussion on the web visit https://groups.google.com/d/ms >> gid/django-users/CAPCf-y5CNSJacdxNqL%2Bxwa0LkjAvsoT%3D1% >> 2B384hNJ0KxfhGi87A%40mail.gmail.com >> <https://groups.google.com/d/msgid/django-users/CAPCf-y5CNSJacdxNqL%2Bxwa0LkjAvsoT%3D1%2B384hNJ0KxfhGi87A%40mail.gmail.com?utm_medium=email&utm_source=footer> >> . >> >> For more options, visit https://groups.google.com/d/optout. >> > > -- > You received this message because you are subscribed to the Google Groups > "Django users" group. > To unsubscribe from this group and stop receiving emails from it, send an > email to django-users+unsubscr...@googlegroups.com. > To post to this group, send email to django-users@googlegroups.com. > Visit this group at https://groups.google.com/group/django-users. > To view this discussion on the web visit https://groups.google.com/d/ > msgid/django-users/CAGBeqiOv8VgHj7-BheSY9fHh2Y6eQk4JRv-oRFT49jQ_ > k7x%2BFg%40mail.gmail.com > <https://groups.google.com/d/msgid/django-users/CAGBeqiOv8VgHj7-BheSY9fHh2Y6eQk4JRv-oRFT49jQ_k7x%2BFg%40mail.gmail.com?utm_medium=email&utm_source=footer> > . > > For more options, visit https://groups.google.com/d/optout. > -- You received this message because you are subscribed to the Google Groups "Django users" group. 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