app/medwings/models.py

@@ -65,4 +65,57 @@ class MewsRecord(models.Model):
     blood_pressure_record = models.ForeignKey(BloodPressureRecord, on_delete=models.CASCADE)
     body_temp_record = models.ForeignKey(BodyTempRecord, on_delete=models.CASCADE)
     heart_rate_record = models.ForeignKey(HeartRateRecord, on_delete=models.CASCADE)
-    respiration_score_record = models.ForeignKey(Spo2LevelRecord, on_delete=models.CASCADE)
+    spo2_level_record = models.ForeignKey(Spo2LevelRecord, on_delete=models.CASCADE)
+    respiration_score_record = models.ForeignKey(RespirationScoreRecord, on_delete=models.CASCADE)
+
+
+    @staticmethod
+    def calculate_mews_value(
+        blood_pressure_systolic_value_mmhg: int,
+        body_temp_value_celsius: float,
+        heart_rate_value_bpm: int,
+        spo2_level_value_percent: int,
+        respiration_score_value_severity: int,
+        ):
+        mews_value = 0
+
+        if blood_pressure_systolic_value_mmhg <= 70:
+            mews_value += 3
+        elif blood_pressure_systolic_value_mmhg <= 80:
+            mews_value += 2
+        elif blood_pressure_systolic_value_mmhg <= 100:
+            mews_value += 1
+        elif blood_pressure_systolic_value_mmhg < 200:
+            mews_value += 0
+        else:
+            mews_value += 2
+
+        if heart_rate_value_bpm < 40:
+            mews_value += 2
+        elif heart_rate_value_bpm <= 50:
+            mews_value += 1
+        elif heart_rate_value_bpm <= 100:
+            mews_value += 0
+        elif heart_rate_value_bpm <= 110:
+            mews_value += 1
+        elif heart_rate_value_bpm < 130:
+            mews_value += 2
+        else:
+            mews_value += 3
+
+        if respiration_score_value_severity == 1:
+            mews_value += 1
+        elif respiration_score_value_severity == 2:
+            mews_value += 2
+
+        if spo2_level_value_percent < 90:
+            mews_value += 2
+        elif spo2_level_value_percent < 95:
+            mews_value += 1
+
+        if body_temp_value_celsius < 35:
+            mews_value += 2
+        elif body_temp_value_celsius <= 38.4:
+            mews_value += 0
+        else:
+            mews_value += 2

app/medwings/urls.py

@@ -5,4 +5,5 @@ from . import views
 urlpatterns = [
     path("", views.index, name="home"),
     path("dashboard/", views.dashboard, name="dashboard"),
+    path("mews/status/", views.mews_status, name="mews-status"),
 ]

app/medwings/views.py

@@ -1,8 +1,67 @@
+from datetime import timedelta
+
 from django.shortcuts import render
+from django.http import HttpResponse, JsonResponse
+from django.contrib.auth.decorators import login_required
+from django.views.decorators.http import require_http_methods
+from django.utils import timezone
+
+from . import models
 
 
+@require_http_methods(["GET"])
 def index(request):
     return render(request, 'medwings/index.html')
 
+
+@require_http_methods(["GET"])
 def dashboard(request):
     return render(request, 'medwings/dashboard.html')
+
+@require_http_methods(["GET"])
+def mews_status(request):
+    if not request.user.is_authenticated:
+        return HttpResponse('Unauthorized', status=401)
+
+    request.user.apiaccount.update_records()
+    
+    ten_minutes_ago = timezone.now() - timedelta(minutes=10)
+    blood_pressure_record = models.BloodPressureRecord.objects.filter(user=request.user).filter(recorded__gte=ten_minutes_ago).order_by('-recorded').first()
+    body_temp_record = models.BodyTempRecord.objects.filter(user=request.user).filter(recorded__gte=ten_minutes_ago).order_by('-recorded').first()
+    heart_rate_record = models.HeartRateRecord.objects.filter(user=request.user).filter(recorded__gte=ten_minutes_ago).order_by('-recorded').first()
+    spo2_level_record = models.Spo2LevelRecord.objects.filter(user=request.user).filter(recorded__gte=ten_minutes_ago).order_by('-recorded').first()
+    respiration_score_record = models.RespirationScoreRecord.objects.filter(user=request.user).filter(recorded__gte=ten_minutes_ago).order_by('-recorded').first()
+
+    data = {
+        'blood_pressure_value': blood_pressure_record.value_systolic_mmhg if blood_pressure_record else None,
+        'body_temp_value': body_temp_record.value_celsius if body_temp_record else None,
+        'heart_rate_value': heart_rate_record.value_bpm if heart_rate_record else None,
+        'spo2_level_value': spo2_level_record.value_percent if spo2_level_record else None,
+        'respiration_score_value': respiration_score_record.value_severity if respiration_score_record else None,
+        'mews_value': None,
+    }
+
+    if (blood_pressure_record
+        and body_temp_record
+        and heart_rate_record
+        and spo2_level_record
+        and respiration_score_record
+    ):
+        mews_record = models.MewsRecord(
+            user=request.user, recorded=timezone.now(),
+            value_n=models.MewsRecord.calculate_mews_value(
+                blood_pressure_record.value_systolic_mmhg,
+                body_temp_record.value_celsius,
+                heart_rate_record.value_bpm,
+                spo2_level_record.value_percent,
+                respiration_score_record.value_severity
+            ),
+            blood_pressure_record=blood_pressure_record,
+            body_temp_record=body_temp_record,
+            heart_rate_record=heart_rate_record,
+            respiration_score_record=respiration_score_record,
+        )
+        mews_record.save()
+        data['mews_value'] = mews_record.value_n
+
+    return JsonResponse(data)