Hi Peter, thanks for your reply. Sorry I have m2m relationship of User model with Song model and I am using m2m_changes signal for it but still not giving me the desired output.
On Fri, Jul 9, 2021 at 9:20 PM Sebastian Jung <sebastian.ju...@gmail.com> wrote: > Hello Peter, > > ich would make it with a signal. > > Here a another example to use a post save signal: > > from django.db.models.signals import post_savefrom django.dispatch import > receiver > class TransactionDetail(models.Model): > product = models.ForeignKey(Product) > # method for updating@receiver(post_save, sender=TransactionDetail, > dispatch_uid="update_stock_count")def update_stock(sender, instance, > **kwargs): > instance.product.stock -= instance.amount > instance.product.save() > > > Please write me if you don't understand these example. > > > P.S. i have no idea why you have a foreignkey relation. Why you save words > not in another column in String class? > > Regards > > > Am Fr., 9. Juli 2021 um 17:30 Uhr schrieb 'Peter van der Does' via Django > users <django-users@googlegroups.com>: > >> Overwrite the save method on the String model and when you hit save you >> split and save the words in the S_W_C model. This does mean when you update >> the String record all the words are added to the S_W_C model as well, as >> there is no correlation between the two model you don't know if that String >> was already counted. >> On 7/8/21 10:26 PM, DJANGO DEVELOPER wrote: >> >> is there anyone who can help me here? >> >> On Fri, Jul 9, 2021 at 2:51 AM DJANGO DEVELOPER <abubakarbr...@gmail.com> >> wrote: >> >>> let suppose I have 2 models: >>> *class String(models.model):* >>> * string = models.textarea(null = True, blank = True)* >>> * user = models.ForeignKey(user, on_delete=models.CASCADE)* >>> * def __str__(self):* >>> * return self.string* >>> >>> and >>> >>> >>> *class Song_Words_Count(models.model):* >>> * song = models.ForeignKey(user, on_delete=models.SET_NULL)* >>> * def __str__(self):* >>> * return self.song* >>> >>> now what I want to do at django admin side that the string added in* >>> "String" *model should be saved in Song_Wors_count model and string >>> should be splitted in a single word and frequency should be counted this >>> way: >>> >>> word word_freq >>> word1 10 >>> word2 15 >>> word3 20 >>> >>> I need Urgent help please. >>> -- >>> 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 view this discussion on the web visit >>> https://groups.google.com/d/msgid/django-users/f53fc668-ca86-4c51-8d4c-673dee3d180cn%40googlegroups.com >>> <https://groups.google.com/d/msgid/django-users/f53fc668-ca86-4c51-8d4c-673dee3d180cn%40googlegroups.com?utm_medium=email&utm_source=footer> >>> . >>> >> -- >> 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 view this discussion on the web visit >> https://groups.google.com/d/msgid/django-users/CAKPY9pkPqSbN0OoxVyQ%2BYcfqq2fRX1NDWqpdyo-KmOG2X_vYeQ%40mail.gmail.com >> <https://groups.google.com/d/msgid/django-users/CAKPY9pkPqSbN0OoxVyQ%2BYcfqq2fRX1NDWqpdyo-KmOG2X_vYeQ%40mail.gmail.com?utm_medium=email&utm_source=footer> >> . >> >> -- >> >> *Peter van der Does o: **410-584-2500* >> * m: 732-425-3102 ONeil Interactive, Inc oneilinteractive.com >> <http://www.oneilinteractive.com/> * >> >> -- >> 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 view this discussion on the web visit >> https://groups.google.com/d/msgid/django-users/3921f39e-60d9-0e67-87ff-c8684bafc8f4%40oneilinteractive.com >> <https://groups.google.com/d/msgid/django-users/3921f39e-60d9-0e67-87ff-c8684bafc8f4%40oneilinteractive.com?utm_medium=email&utm_source=footer> >> . >> > -- > 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 view this discussion on the web visit > https://groups.google.com/d/msgid/django-users/CAKGT9mzRGUFn4%3D29wi%2BZc%2BgosXhpuKMmjXRcefx2ZCnDOoQc4w%40mail.gmail.com > <https://groups.google.com/d/msgid/django-users/CAKGT9mzRGUFn4%3D29wi%2BZc%2BgosXhpuKMmjXRcefx2ZCnDOoQc4w%40mail.gmail.com?utm_medium=email&utm_source=footer> > . > -- 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 view this discussion on the web visit https://groups.google.com/d/msgid/django-users/CAKPY9pmz3Zi17Zf8tYWVzECbjwuGokPkQSJqpOtt%2Bc7S2HCrVQ%40mail.gmail.com.
