def view(request):
'''
The BMI calculator detail page
'''
context = {}
form_data = {'height': request.user.userprofile.height,
'weight': request.user.userprofile.weight}
context['form'] = BmiForm(initial=form_data)
return render(request, 'bmi/form.html', context)
def calculate(request):
'''
Calculates the BMI
'''
data = []
form = BmiForm(request.POST, instance=request.user.userprofile)
if form.is_valid():
form.save()
# Create a new weight entry as needed
request.user.userprofile.user_bodyweight(form.cleaned_data['weight'])
bmi = request.user.userprofile.calculate_bmi()
result = {'bmi': '{0:.2f}'.format(bmi),
'weight': form.cleaned_data['weight'],
'height': request.user.userprofile.height}
data = json.dumps(result, cls=helpers.DecimalJsonEncoder)
# Return the results to the client
return HttpResponse(data, 'application/json')
def calculate(request):
'''
Calculates the BMI
'''
data = []
form = BmiForm(request.POST, instance=request.user.userprofile)
if form.is_valid():
form.save()
# Create a new weight entry as needed
request.user.userprofile.user_bodyweight(form.cleaned_data['weight'])
bmi = request.user.userprofile.calculate_bmi()
result = {'bmi': '{0:.2f}'.format(bmi),
'weight': form.cleaned_data['weight'],
'height': request.user.userprofile.height}
data = json.dumps(result, cls=helpers.DecimalJsonEncoder)
# Return the results to the client
return HttpResponse(data, 'application/json')
def calculate(request):
'''
Calculates the BMI
'''
data = []
form = BmiForm(request.POST, instance=request.user.userprofile)
if form.is_valid():
form.save()
# Create a new weight entry as needed
if (not WeightEntry.objects.filter(user=request.user).exists()
or (datetime.date.today()
- WeightEntry.objects.filter(user=request.user).latest().creation_date
> datetime.timedelta(1))):
entry = WeightEntry()
entry.weight = form.cleaned_data['weight']
entry.user = request.user
entry.creation_date = datetime.date.today()
entry.save()
# Update the last entry
else:
entry = WeightEntry.objects.filter(user=request.user).latest()
entry.weight = form.cleaned_data['weight']
entry.save()
bmi = request.user.userprofile.calculate_bmi()
result = {'bmi': '{0:.2f}'.format(bmi),
'weight': form.cleaned_data['weight'],
'height': request.user.userprofile.height}
data = json.dumps(result, cls=helpers.DecimalJsonEncoder)
# Return the results to the client
return HttpResponse(data, 'application/json')
