Oh, this worked - thank you so much for the code help and explanation!
Much appreciated.
B
On Thursday, November 19, 2015 at 7:59:26 PM UTC-8, Andrew Farrell wrote:
>
> Hi Becka,
>
> So it seems like, from reading your code, that I can diagnose your issue.
> When a user clicks "sign up", in say the Thursday Shifts Available table,
> the browser sends a POST from this form:
> <form method="post">
> {% csrf_token %}
> <div class="hiddentext">
> {{shift.meal}}
> {{shift.meal}}
> {{shift.camper}}
> </div>
> <input type="submit" value="sign up">
> </form>
> This POST includes the keys 'csrf_token', 'camper, 'meal', & 'meal' but
> not 'shift_id'. Therefore, in
>
> if request.method == 'POST':
> shift_id = request.POST.get('shift_id')
> signup_for_shift(shift_id, request.user)
> return redirect('signup')
> request.POST.get('shift_id') returns None.
> When that gets passed to mealShifts.objects.get(pk=shift_id), it raises
> the error.
> You can confirm that by inserting the line
> import pdb;pdb.set_trace()
> before that line and run `print(request.POST.get('shift_id'))` when the
> django toy server hits that breakpoint.
>
> -- Andrew Farrell
>
> On Thu, Nov 19, 2015 at 9:31 PM, Becka R. <[email protected] <javascript:>
> > wrote:
>
>> Hi --
>>
>> I'm working on a personal project, and have been stuck on this problem
>> for a bit of time. There don't seem to be examples out there for editing
>> tables with data. Is this right? Am I looking in the right places? I'm
>> still pretty new at Django, and learning largely on my own.
>>
>> I have a template wherein people can sign up for meal shifts at Burning
>> Man. It doesn't use a form, because the table is populated with data, but
>> until someone signs up for a shift, "camper" is set to None. The page is
>> rendering and displaying data correctly, but when I go to add myself as a
>> logged in user, I get the following error:
>>
>> DoesNotExist at /signup/
>>
>> mealShifts matching query does not exist.
>>
>>
>> Code is below. Thanks for any help.
>>
>>
>> Signup is the name of the template and the view function. mealShifts
>> (which I know needs to be capitalized) is the name of the model.
>>
>> Here's the view:
>>
>> def signup_for_shift(shift_id, camper):
>> shift = mealShifts.objects.get(pk=shift_id)
>> if shift.camper is not None:
>> raise ValueError
>>
>> shift.camper = camper
>> shift.save()
>>
>>
>>
>> @login_required(login_url='login.html')
>> def signup(request):
>> model = mealShifts
>> user = request.user
>> poss_shifts = mealShifts.objects.all().order_by('day')
>> day_choices = range(0, 6)
>> meal_choices = ['Breakfast', 'Dinner']
>> shift_choices = ['Chef', 'Sous_Chef', 'KP']
>> username = None
>>
>>
>> sundayShiftsAvail = mealShifts.objects.filter(day=0, assigned=False)
>> sundayShiftsTaken = mealShifts.objects.filter(day=0, assigned=True)
>>
>> mondayShiftsAvail = mealShifts.objects.filter(day=1, assigned=False)
>> mondayShiftsTaken = mealShifts.objects.filter(day=1, assigned=True)
>>
>> tuesdayShiftsAvail = mealShifts.objects.filter(day=2, assigned=True)
>> tuesdayShiftsTaken = mealShifts.objects.filter(day=2, assigned=True)
>>
>> wednesdayShiftsAvail = mealShifts.objects.filter(day=3,
>> assigned=False)
>> wednesdayShiftsTaken = mealShifts.objects.filter(day=3, assigned=True)
>>
>> thursdayShiftsAvail = mealShifts.objects.filter(day=4, assigned=False)
>> thursdayShiftsTaken = mealShifts.objects.filter(day=4, assigned=True)
>>
>> fridayShiftsAvail = mealShifts.objects.filter(day=5, assigned=False)
>> fridayShiftsTaken = mealShifts.objects.filter(day=5, assigned=True)
>>
>> saturdayShiftsAvail = mealShifts.objects.filter(day=6, assigned=False)
>> saturdayShiftsTaken = mealShifts.objects.filter(day=6, assigned=True)
>>
>> saturdayShiftsAvail = mealShifts.objects.filter(day=7, assigned=False)
>> saturdayShiftsTaken = mealShifts.objects.filter(day=7, assigned=True)
>>
>> if request.method == 'POST':
>> shift_id = request.POST.get('shift_id')
>> signup_for_shift(shift_id, request.user)
>> return redirect('signup')
>>
>> context = RequestContext(request)
>> return render_to_response('signup.html',
>> RequestContext(request, {
>> 'username':username, 'poss_shifts':poss_shifts,
>> 'sundayShiftsAvail':sundayShiftsAvail,
>> 'sundayShiftsTaken':sundayShiftsTaken,
>> 'mondayShiftsTaken':mondayShiftsTaken,
>> 'mondayShiftsAvail':mondayShiftsAvail,
>> 'tuesdayShiftsTaken':tuesdayShiftsTaken,
>> 'tuesdayShiftsAvail':tuesdayShiftsAvail,
>> 'wednesdayShiftsTaken':wednesdayShiftsTaken,
>> 'wednesdayShiftsAvail':wednesdayShiftsAvail,
>> 'thursdayShiftsTaken':thursdayShiftsTaken,
>> 'thursdayShiftsAvail':thursdayShiftsAvail,
>> 'fridayShiftsTaken':fridayShiftsTaken,
>> 'fridayShiftsAvail':fridayShiftsAvail,
>> 'saturdayShiftsTaken':saturdayShiftsTaken,
>> 'saturdayShiftsAvail':saturdayShiftsAvail
>> },))
>>
>>
>>
>> Here is my model:
>>
>>
>> class mealShifts(models.Model):
>> Sunday = "Sunday"
>> Monday = "Monday"
>> Tuesday = "Tuesday"
>> Wednesday = "Wednesday"
>> Thursday = "Thursday"
>> Friday = "Friday"
>> Days = (
>> (0, "Sunday"),
>> (1, "Monday"),
>> (2, "Tuesday"),
>> (3, "Wednesday"),
>> (4, "Thursday"),
>> (5, "Friday"),
>> (6, "Saturday"),
>> )
>> Breakfast = "Breakfast"
>> Dinner = "Dinner"
>> Meals = (
>> (Breakfast, "Breakfast"),
>> (Dinner, "Dinner"),
>> )
>> Chef = "Chef"
>> Sous_Chef = "Sous-Chef"
>> KP ="KP"
>> Shifts = (
>> (Chef, "Chef"),
>> (Sous_Chef, "Sous_Chef"),
>> (KP, "KP"),
>> )
>> assigned = models.BooleanField(default=False)
>> day = models.IntegerField(choices=Days)
>> meal = models.CharField(max_length = 10, choices=Meals)
>> shift = models.CharField(max_length = 10, choices=Shifts, default=KP)
>> camper = models.ForeignKey(User, null=True, blank=True, default=None)
>>
>> class Meta:
>> unique_together = ("day", "meal", "shift")
>>
>> def __str__(self):
>> return '%s %s %s %s %s %s'%(self.id, self.assigned, self.day, self.meal,
>> self.shift, self.camper)
>>
>>
>> And my template:
>>
>> <div class="tablewrap">
>> <table class="gradienttable">
>> <thead>
>> <tr>
>> <th><p>Day</p></th>
>> <th><p>Meal</p></th>
>> <th><p>Shift</p></th>
>> <th><p>Camper</p></th>
>> <th><p>Camper</p></th>
>> </tr>
>> </thead>
>>
>> <div class="datatables" id="shiftsTaken">
>> {% for shift in sundayShiftsTaken %}
>> <tr class="datarow hideTable">
>> <td>Sunday</td>
>> <td>{{shift.meal}}</td>
>> <td>{{shift.shift}}</td>
>> <td>{{shift.camper}}</td>
>> </tr>
>> {% endfor %}
>> {% for shifts in mondayShiftsTaken %}
>> <tr class="datarow hideTable">
>> <td>Monday</td>
>> <td>{{shifts.meal}}</td>
>> <td>{{shifts.shift}}</td>
>> <td>{{shifts.camper}}</td>
>> </tr>
>> {% endfor %}
>> {% for shifts in tuesdayShiftsTaken %}
>> <tr class="datarow hideTable">
>> <td>Tuesday</td>
>> <td>{{shifts.meal}}</td>
>> <td>{{shifts.shift}}</td>
>> <td>{{shifts.camper}}</td>
>> </tr>
>> {% endfor %}
>> {% for shifts in wednesdayShiftsTaken %}
>> <tr class="datarow hideTable">
>> <td>Wednesday</td>
>> <td>{{shifts.meal}}</td>
>> <td>{{shifts.shift}}</td>
>> <td>{{shifts.camper}}</td>
>> </tr>
>> {% endfor %}
>> {% for shifts in thursdayShiftsTaken %}
>> <tr class="datarow hideTable">
>> <td>Thursday</td>
>> <td>{{shifts.meal}}</td>
>> <td>{{shifts.shift}}</td>
>> <td>{{shifts.camper}}</td>
>> </tr>
>> {% endfor %}
>> </div>
>>
>> <div class="showTable datatables" id="shiftsAvailable">
>> {% for shift in sundayShiftsAvail %}
>> <tr class="datarow showTable">
>> <td>Sunday</td>
>> <td>{{shift.meal}}</td>
>> <td>{{shift.shift}}</td>
>> <td>{{shift.camper}}</td>
>> <td>
>> <form method="post">
>> {% csrf_token %}
>> <div class="hiddentext">
>> {{shift.meal}}
>> {{shift.meal}}
>> {{shift.camper}}
>> </div>
>> <input type="submit" value="sign up">
>> </form>
>> </td>
>> </tr>
>> {% endfor %}
>> {% for shifts in mondayShiftsAvail %}
>> <tr class="datarow showTable">
>> <td>Monday</td>
>> <td>{{shifts.meal}}</td>
>> <td>{{shifts.shift}}</td>
>> <td>{{shifts.camper}}</td>
>> <td>
>> <form method="post">
>> {% csrf_token %}
>> <div class="hiddentext">
>> {{shift.meal}}
>> {{shift.meal}}
>> {{shift.camper}}
>> </div>
>> <input type="submit" value="sign up">
>> </form>
>> </td>
>> </tr>
>> {% endfor %}
>> {% for shifts in tuesdayShiftsAvail %}
>> <tr class="datarow showTable">
>> <td>Tuesday</td>
>> <td>{{shifts.meal}}</td>
>> <td>{{shifts.shift}}</td>
>> <td>{{shifts.camper}}</td>
>> <td>
>> <form method="post">
>> {% csrf_token %}
>> <div class="hiddentext">
>> {{shift.meal}}
>> {{shift.meal}}
>> {{shift.camper}}
>> </div>
>> <input type="submit" value="sign up">
>> </form>
>> </td>
>> </tr>
>> {% endfor %}
>> {% for shifts in wednesdayShiftsAvail %}
>> <tr class="datarow showTable">
>> <td>Wednesday</td>
>> <td>{{shifts.meal}}</td>
>> <td>{{shifts.shift}}</td>
>> <td>{{shifts.camper}}</td>
>> <td>
>> <form method="post">
>> {% csrf_token %}
>> <div class="hiddentext">
>> {{shift.meal}}
>> {{shift.meal}}
>> {{shift.camper}}
>> </div>
>> <input type="submit" value="sign up">
>> </form>
>> </td>
>> </tr>
>> {% endfor %}
>> {% for shifts in thursdayShiftsAvail %}
>> <tr class="datarow showTable">
>> <td>Wednesday</td>
>> <td>{{shifts.meal}}</td>
>> <td>{{shifts.shift}}</td>
>> <td>{{shifts.camper}}</td>
>> <td>
>> <form method="post">
>> {% csrf_token %}
>> <div class="hiddentext">
>> {{shift.meal}}
>> {{shift.meal}}
>> {{shift.camper}}
>> </div>
>> <input type="submit" value="sign up">
>> </form>
>> </td>
>> </tr>
>> {% endfor %}
>> {% for shifts in fridayShiftsAvail %}
>> <tr class="datarow showTable">
>> <td>Wednesday</td>
>> <td>{{shifts.meal}}</td>
>> <td>{{shifts.shift}}</td>
>> <td>{{shifts.camper}}</td>
>> <td>
>> <form method="post">
>> {% csrf_token %}
>> <div class="hiddentext">
>> {{shift.meal}}
>> {{shift.meal}}
>> {{shift.camper}}
>> </div>
>> <input type="submit" value="sign up">
>> </form>
>> </td>
>> </tr>
>> {% endfor %}
>> {% for shifts in saturdayShiftsAvail %}
>> <tr class="datarow showTable">
>> <td>Wednesday</td>
>> <td>{{shifts.meal}}</td>
>> <td>{{shifts.shift}}</td>
>> <td>{{shifts.camper}}</td>
>> <td>
>> <form method="post">
>> {% csrf_token %}
>> <div class="hiddentext">
>> {{shift.meal}}
>> {{shift.meal}}
>> {{shift.camper}}
>> </div>
>> <input type="submit" value="sign up">
>> </form>
>> </td>
>> </tr>
>> {% endfor %}
>> </div>
>>
>>
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