def generate_discharge_report(patient_id, email):
patient = PatientRegistration.objects.get(id=patient_id)
consultations = PatientConsultation.objects.filter(
patient=patient).order_by("-created_date")
diseases = Disease.objects.filter(patient=patient)
if consultations.exists():
consultation = consultations.first()
samples = PatientSample.objects.filter(patient=patient,
consultation=consultation)
daily_rounds = DailyRound.objects.filter(consultation=consultation)
investigations = InvestigationValue.objects.filter(
consultation=consultation.id)
investigations = list(
filter(lambda inv: inv.value is not None or inv.notes is not None,
investigations))
else:
consultation = None
samples = None
daily_rounds = None
investigations = None
date = make_aware(datetime.datetime.now())
disease_status = DiseaseStatusEnum(
patient.disease_status).name.capitalize()
html_string = render_to_string(
"patient_pdf_template.html",
{
"patient": patient,
"samples": samples,
"consultation": consultation,
"consultations": consultations,
"dailyrounds": daily_rounds,
"date": date,
"diseases": diseases,
"investigations": investigations,
"disease_status": disease_status,
},
)
filename = str(int(round(time.time() * 1000))) + randomString(10) + ".pdf"
bytestring_to_pdf(
html_string.encode(),
default_storage.open(filename, "w+"),
**{
"no-margins": None,
"disable-gpu": None,
"disable-dev-shm-usage": False,
"window-size": "2480,3508"
},
)
file = default_storage.open(filename, "rb")
msg = EmailMessage(
"Patient Discharge Summary",
"Please find the attached file",
settings.DEFAULT_FROM_EMAIL,
(email, ),
)
msg.content_subtype = "html" # Main content is now text/html
msg.attach(patient.name + "-Discharge_Summary.pdf", file.read(),
"application/pdf")
msg.send()
default_storage.delete(filename)
def get(self, request, *args, **kwargs):
"""
Render page to the specified output filename using headless browser
"""
response = super(PDFViewMixin, self).get(request, *args, **kwargs)
if 'html' in request.GET:
return response
response.render()
output_file = NamedTemporaryFile()
extra_args = {}
if self.virtual_time_budget is not None:
extra_args.update(
{'virtual-time-budget': self.virtual_time_budget})
bytestring_to_pdf(response.content, output_file, **extra_args)
# Return the file
response = FileResponse(output_file, content_type="application/pdf")
atc = 'attachment;' if self.download_attachment else ''
response['Content-Disposition'] = '{}filename="{}"'.format(
atc, self.get_filename())
return response
def get_file_response(self, content, output_file, extra_args):
bytestring_to_pdf(content, output_file, **extra_args)
return FileResponse(output_file, content_type="application/pdf")