Updated health_details and medical_history API

* Added vaccine, medical history nad disease model
* Added the migrations with function to migrate the data
* Added required serializers
* Reformatted the code

care/facility/admin.py

@@ -11,7 +11,7 @@
 
 from .models import (
     Building,
-    Disease,
+    Diseases,
     Facility,
     FacilityCapacity,
     FacilityInventoryItem,
@@ -201,7 +201,7 @@ class FacilityUserAdmin(DjangoQLSearchMixin, admin.ModelAdmin, ExportCsvMixin):
 admin.site.register(PatientRegistration, PatientAdmin)
 admin.site.register(PatientTeleConsultation)
 admin.site.register(PatientSample, PatientSampleAdmin)
-admin.site.register(Disease)
+admin.site.register(Diseases)
 admin.site.register(FacilityInventoryUnit)
 admin.site.register(FacilityInventoryUnitConverter)
 admin.site.register(FacilityInventoryItem)

care/facility/api/serializers/medical_history.py

@@ -0,0 +1,79 @@
+from django.db import transaction
+from rest_framework import serializers
+
+from care.facility.models import MedicalHistory, PatientRegistration
+from care.facility.models.patient import Diseases
+from care.facility.models.patient_consultation import PatientConsultation
+from care.utils.serializer.external_id_field import ExternalIdSerializerField
+
+
+class DiseaseSerializer(serializers.ModelSerializer):
+    date = serializers.DateField()
+
+    class Meta:
+        model = Diseases
+        fields = (
+            "disease",
+            "details",
+            "date",
+            "precision",
+        )
+
+
+class MedicalHistorySerializer(serializers.ModelSerializer):
+    id = serializers.CharField(source="external_id", read_only=True)
+
+    patient = ExternalIdSerializerField(
+        queryset=PatientRegistration.objects.all(), required=False
+    )
+
+    consultation = ExternalIdSerializerField(
+        queryset=PatientConsultation.objects.all(), required=False
+    )
+
+    patient_diseases = serializers.ListSerializer(
+        child=DiseaseSerializer(),
+        required=False,
+    )
+
+    class Meta:
+        model = MedicalHistory
+        exclude = ("deleted", "external_id")
+
+    def create(self, validated_data):
+        with transaction.atomic():
+            consultation = validated_data["consultation"]
+            patient_diseases = validated_data.pop("patient_diseases", [])
+            medical_history = super().create(validated_data)
+            diseases = []
+            for disease in patient_diseases:
+                diseases.append(
+                    Diseases(
+                        medical_history=medical_history,
+                        **disease,
+                    )
+                )
+            if diseases:
+                Diseases.objects.bulk_create(diseases, ignore_conflicts=True)
+            consultation.last_medical_history = medical_history
+            consultation.save(update_fields=["last_medical_history"])
+            return medical_history
+
+    def update(self, instance, validated_data):
+        with transaction.atomic():
+            patient_diseases = validated_data.pop("patient_diseases", [])
+            medical_history = super().update(instance, validated_data)
+            Diseases.objects.filter(medical_history=medical_history).update(
+                deleted=True
+            )
+            diseases = []
+            for disease in patient_diseases:
+                diseases.append(
+                    Diseases(
+                        medical_history=medical_history,
+                        **disease,
+                    )
+                )
+            if diseases:
+                Diseases.objects.bulk_create(diseases, ignore_conflicts=True)
+            return medical_history

care/facility/api/serializers/patient.py

@@ -15,7 +15,7 @@
 from care.facility.models import (
     DISEASE_CHOICES,
     GENDER_CHOICES,
-    Disease,
+    Diseases,
     Facility,
     FacilityPatientStatsHistory,
     PatientContactDetails,
@@ -259,9 +259,9 @@ def create(self, validated_data):
             diseases = []
 
             for disease in medical_history:
-                diseases.append(Disease(patient=patient, **disease))
+                diseases.append(Diseases(patient=patient, **disease))
             if diseases:
-                Disease.objects.bulk_create(diseases, ignore_conflicts=True)
+                Diseases.objects.bulk_create(diseases, ignore_conflicts=True)
 
             if meta_info:
                 meta_info_obj = PatientMetaInfo.objects.create(**meta_info)
@@ -305,12 +305,12 @@ def update(self, instance, validated_data):
                     self.check_external_entry(validated_data["srf_id"])
 
             patient = super().update(instance, validated_data)
-            Disease.objects.filter(patient=patient).update(deleted=True)
+            Diseases.objects.filter(patient=patient).update(deleted=True)
             diseases = []
             for disease in medical_history:
-                diseases.append(Disease(patient=patient, **disease))
+                diseases.append(Diseases(patient=patient, **disease))
             if diseases:
-                Disease.objects.bulk_create(diseases, ignore_conflicts=True)
+                Diseases.objects.bulk_create(diseases, ignore_conflicts=True)
 
             if meta_info:
                 for key, value in meta_info.items():