def calc_cri_advanced(request):
"""Calculates complex CRI dosages based on multiple inputs.
GET parameters:
weight: weight in kgs
rate: current cri rate
volume: current iv volume in mL
infusion: target infusion rate
Context:
rx: calculated dosages rounded to 3 decimal places
"""
meds = CRI.objects.filter(calc_type='adv')
form = CRIAdvancedForm()
rx = dict()
for med in meds:
rx[med] = dict()
if request.method == 'GET' and request.is_ajax():
form = CRIAdvancedForm(data=request.GET)
if form.is_valid():
weight = float(request.GET['weight'])
rate = float(request.GET['rate'])
volume = float(request.GET['volume'])
infusion = float(request.GET['infusion'])
for med in meds:
rx[med] = {'maint': round((weight * 30 * 2.2)/24, 3),
'maint_plus': round((weight * 30 + 70)/24, 3),
'add': round(((weight * infusion * med.factor) / (rate/60)) * volume, 3)}
return render(request, 'calc/cri_advanced.html', {'navbar': 'calc',
'form': form,
'rx': rx})
def test_form_rejects_empty_string(self):
form = CRIAdvancedForm(data={'weight': '',
'rate': '',
'vol': '',
'replacement': ''})
self.assertFalse(form.is_valid())
def test_form_rejects_non_numeric_input(self):
form = CRIAdvancedForm(data={'weight': 'wait',
'rate': 'eight',
'vol': 'volume',
'replacement': 'enplacement'})
self.assertFalse(form.is_valid())