feat(dref): add event on dref

Author: sudip-khanal

api/serializers.py

@@ -1078,6 +1078,7 @@ class ListEventSerializer(ModelSerializer):
     dtype = DisasterTypeSerializer(required=False)
     ifrc_severity_level_display = serializers.CharField(source="get_ifrc_severity_level_display", read_only=True)
     active_deployments = serializers.IntegerField(read_only=True)
+    visibility_display = serializers.CharField(source="get_visibility_display", read_only=True)
 
     class Meta:
         model = Event
@@ -1107,6 +1108,8 @@ class Meta:
             "tab_three_title",
             "emergency_response_contact_email",
             "active_deployments",
+            "visibility",
+            "visibility_display",
         )
 
 

assets

@@ -1,7 +1,7 @@
 import django_filters as filters
 from django.db import models
 
-from api.models import Country, DisasterType
+from api.models import Country, DisasterType, Event
 from dref.models import Dref, DrefFinalReport, DrefOperationalUpdate
 
 
@@ -39,6 +39,10 @@ class BaseDrefFilterSet(filters.FilterSet):
         field_name="disaster_type",
         queryset=DisasterType.objects.all(),
     )
+    event = filters.ModelChoiceFilter(
+        field_name="event",
+        queryset=Event.objects.all(),
+    )
     appeal_code = filters.CharFilter(field_name="appeal_code", lookup_expr="icontains")
 
 

dref/filter_set.py

@@ -0,0 +1,20 @@
+# Generated by Django 4.2.29 on 2026-04-06 08:02
+
+from django.db import migrations, models
+import django.db.models.deletion
+
+
+class Migration(migrations.Migration):
+
+    dependencies = [
+        ('api', '0230_alter_districtgeoms_district'),
+        ('dref', '0088_remove_identifiedneed_title_ar_and_more'),
+    ]
+
+    operations = [
+        migrations.AddField(
+            model_name='dref',
+            name='event',
+            field=models.ForeignKey(blank=True, null=True, on_delete=django.db.models.deletion.SET_NULL, related_name='dref_event', to='api.event', verbose_name='event'),
+        ),
+    ]

dref/migrations/0089_dref_event.py

@@ -11,7 +11,7 @@
 from django.utils.translation import gettext_lazy as _
 from pdf2image import convert_from_bytes
 
-from api.models import Country, DisasterType, District, FieldReport
+from api.models import Country, DisasterType, District, Event, FieldReport
 from deployments.models import Sector
 from main.fields import SecureFileField
 
@@ -295,6 +295,15 @@ class Status(models.IntegerChoices):
         related_name="modified_by_dref",
     )
     users = models.ManyToManyField(settings.AUTH_USER_MODEL, verbose_name=_("users"), blank=True, related_name="user_dref")
+
+    event = models.ForeignKey[Event](
+        Event,
+        verbose_name=_("event"),
+        on_delete=models.SET_NULL,
+        null=True,
+        blank=True,
+        related_name="dref_event",
+    )
     field_report = models.ForeignKey(
         FieldReport,
         verbose_name=_("field report"),

dref/models.py

@@ -11,9 +11,10 @@
 from drf_spectacular.utils import extend_schema_field
 from rest_framework import serializers
 
-from api.models import Appeal
+from api.models import Appeal, Event
 from api.serializers import (
     DisasterTypeSerializer,
+    ListEventSerializer,
     MiniCountrySerializer,
     MiniDistrictSerializer,
     UserNameSerializer,
@@ -217,6 +218,7 @@ class MiniDrefSerializer(serializers.ModelSerializer):
     operational_update_details = serializers.SerializerMethodField()
     final_report_details = serializers.SerializerMethodField()
     starting_language = serializers.CharField(read_only=True)
+    event_detail = ListEventSerializer(source="event", read_only=True)
 
     class Meta:
         model = Dref
@@ -248,6 +250,7 @@ class Meta:
             "status_display",
             "date_of_approval",
             "starting_language",
+            "event_detail",
         ]
 
     @extend_schema_field(MiniOperationalUpdateActiveSerializer(many=True))
@@ -431,6 +434,7 @@ class DrefSerializer(NestedUpdateMixin, NestedCreateMixin, ModelSerializer):
         source="contingency_plans_supporting_document", read_only=True, required=False, allow_null=True
     )
     proposed_action = ProposedActionSerializer(many=True, required=False)
+    event = serializers.PrimaryKeyRelatedField(queryset=Event.objects.all(), required=False)
 
     class Meta:
         model = Dref
@@ -1598,6 +1602,7 @@ class CompletedDrefOperationsSerializer(serializers.ModelSerializer):
     application_type = serializers.SerializerMethodField()
     application_type_display = serializers.SerializerMethodField()
     starting_language = serializers.CharField(read_only=True)
+    event_detail = ListEventSerializer(source="dref__event", read_only=True)
 
     class Meta:
         model = DrefFinalReport
@@ -1616,6 +1621,7 @@ class Meta:
             "status",
             "status_display",
             "starting_language",
+            "event_detail",
         )
 
     def get_application_type(self, obj) -> str:

dref/serializers.py

@@ -10,6 +10,7 @@
 from django.core import management
 from rest_framework import status
 
+from api.factories.event import EventFactory
 from api.models import Country, DisasterType, District, Region, RegionName
 from api.utils import get_model_name
 from deployments.factories.project import SectorFactory
@@ -119,6 +120,7 @@ def test_post_dref_creation(self, send_notification):
         old_count = Dref.objects.count()
         national_society = Country.objects.create(name="xzz")
         disaster_type = DisasterType.objects.create(name="abc")
+        event = EventFactory.create(name="Test event")
         data = {
             "title": "Dref test title",
             "type_of_onset": Dref.OnsetType.SLOW.value,
@@ -182,6 +184,7 @@ def test_post_dref_creation(self, send_notification):
             "originator_email": "test@gmail.com",
             "national_society": national_society.id,
             "disaster_type": disaster_type.id,
+            "event": event.id,
             # NOTE: Test Many to Many fields
             "risk_security": [
                 {"risk": "Test Risk 1", "mitigation_measure": "Test Mitigation Measure"},
@@ -246,6 +249,7 @@ def test_post_dref_creation(self, send_notification):
         response = self.client.post(url, data, format="json")
         self.assertEqual(response.status_code, 201)
         self.assertEqual(Dref.objects.count(), old_count + 1)
+        self.assertEqual(response.data["event"], event.id)
         instance = Dref.objects.get(id=response.data["id"])
         instance.users.add(self.user.id)
         instance_user_email = [user.email for user in instance.users.all()]
@@ -1928,10 +1932,14 @@ def test_completed_dref_operations(self):
     def test_filter_active_dref(self):
         country_1 = Country.objects.create(name="country1")
         country_2 = Country.objects.create(name="country2")
-
+        event = EventFactory.create(name="Test Event")
         # create some dref
         dref_1 = DrefFactory.create(
-            is_active=True, type_of_dref=Dref.DrefType.ASSESSMENT, country=country_1, created_by=self.root_user
+            is_active=True,
+            type_of_dref=Dref.DrefType.ASSESSMENT,
+            country=country_1,
+            created_by=self.root_user,
+            event=event,
         )
         dref_2 = DrefFactory.create(is_active=True, type_of_dref=Dref.DrefType.LOAN, country=country_2, created_by=self.root_user)
         # some dref final report
@@ -1968,6 +1976,12 @@ def test_filter_active_dref(self):
         self.assertEqual(len(response.data["results"]), 1)
         self.assertEqual(response.data["results"][0]["final_report_details"]["id"], dref_final_report.id)
 
+        # filter by event
+        url = f"/api/v2/active-dref/?event={event.id}"
+        response = self.client.get(url)
+        self.assertEqual(response.status_code, 200)
+        self.assertEqual(len(response.data["results"]), 1)
+
     def test_dref_share_users(self):
         user1 = UserFactory.create(
             username="user1@test.com",