Thanks, now is working fine.
On 27 ago, 19:22, lingrlongr <[EMAIL PROTECTED]> wrote:
> The error is generated because you have two fields in the Swap model
> that refer to the User model, and two that refer to the Shifts model.
> As the error states you need to specify the related_name value for
> those ForeignKeys. Take a look at the documentation for related_name
> here:http://www.djangoproject.com/documentation/model-api/#many-to-one-rel...
>
> class Swaps(models.Model):
> origin_shift = models.ForeignKey(Shifts,
> related_name='origin_shift')
> origin_user = models.ForeignKey(User,
> related_name='origin_user')
> destination_shift = models.ForeignKey(Shifts,
> related_name='destination_shift')
> state = models.CharField(maxlength=25)
> swap_user = models.ForeignKey(User, related_name='swap_user')
>
> HTH
>
> Keith
>
> On Aug 27, 11:42 am, "Daniel A." <[EMAIL PROTECTED]> wrote:
>
> > Hi! I'm a switcher from Rails and I'm learning Django. I'm stuck with
> > something I thing should be easy but for some reason I can't find the
> > error.
>
> > I'm trying to define a model to manage shifts for volunteers. I have
> > three diferent models, Shifts, Users and Swaps. A User have many
> > Shifts and a Shift have many Swaps, while a Shift only have one User,
> > and a Swap only have one Shift. A Shift have two users. Well, then I
> > wrote something like this:
>
> > from django.db import models
> > from django.contrib.auth.models import User
>
> > # Create your models here.
> > class Shifts(models.Model):
> > date = models.DateField()
> > user_1 = models.ForeignKey(User)
> > user_2 = models.ForeignKey(User)
> > turno = models.IntegerField()
>
> > class Swaps(models.Model):
> > origin_shift = models.ForeignKey(Shifts)
> > origin_user = models.ForeignKey(User)
> > destination_shift = models.ForeignKey(Shifts)
> > state = models.CharField(maxlength=25)
> > swap_user = models.ForeignKey(User)
>
> > Does anybody knows what I'm doing wrong? I get messages of validation
> > like this:
>
> > turno.shifts: Accessor for field 'user_1' clashes with related field
> > 'User.shifts_set'. Add a related_name argument to the definition for
> > 'user_1'.
> > turno.shifts: Accessor for field 'user_2' clashes with related field
> > 'User.shifts_set'. Add a related_name argument to the definition for
> > 'user_2'.
> > turno.swaps: Accessor for field 'origin_shift' clashes with related
> > field 'Shifts.swaps_set'. Add a related_name argument to the
> > definition for 'origin_shift'.
> > turno.swaps: Accessor for field 'origin_user' clashes with related
> > field 'User.swaps_set'. Add a related_name argument to the definition
> > for 'origin_user'.
> > turno.swaps: Accessor for field 'destination_shift' clashes with
> > related field 'Shifts.swaps_set'. Add a related_name argument to the
> > definition for 'destination_shift'.
> > turno.swaps: Accessor for field 'swap_user' clashes with related field
> > 'User.swaps_set'. Add a related_name argument to the definition for
> > 'swap_user'.
>
> > Thanks in advance.
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