feat(event): add latest field report on mini event endpoint

Author: susilnem

api/drf_views.py

@@ -59,7 +59,7 @@
 )
 from country_plan.models import CountryPlan
 from databank.serializers import CountryOverviewSerializer
-from deployments.models import ERU, EmergencyProject, Personnel
+from deployments.models import ERU, Personnel
 from deployments.serializers import ListDeployedERUByEventSerializer
 from dref.models import Dref, DrefFinalReport, DrefOperationalUpdate
 from main.enums import GlobalEnumSerializer, get_enum_values
@@ -754,7 +754,8 @@ def get_queryset(self, *args, **kwargs):
         qset = super().get_queryset()
         if self.action == "mini_events":
             # return Event.objects.filter(parent_event__isnull=True).select_related('dtype')
-            return qset.filter(parent_event__isnull=True).select_related("dtype")
+            return qset.filter(parent_event__isnull=True).select_related("dtype").prefetch_related("countries_for_preview")
+
         if self.action == "response_activity_events":
             return (
                 qset.filter(parent_event__isnull=True)
@@ -874,7 +875,11 @@ def retrieve(self, request, pk=None, *args, **kwargs):
     )
     @action(methods=["get"], detail=False, url_path="mini")
     def mini_events(self, request):
-        queryset = self.filter_queryset(self.get_queryset())
+        queryset = self.filter_queryset(self.get_queryset()).annotate(
+            latest_field_report_id=Subquery(
+                FieldReport.objects.filter(event=OuterRef("pk")).order_by("-updated_at").values("id")[:1]
+            )
+        )
         serializer = ListMiniEventSerializer(queryset, many=True)
         page = self.paginate_queryset(queryset)
         if page is not None:

api/serializers.py

@@ -1067,6 +1067,8 @@ class Meta:
 class ListMiniEventSerializer(ModelSerializer):
     dtype = DisasterTypeSerializer(required=False)
     countries_for_preview = MiniCountrySerializer(many=True, read_only=True)
+    latest_field_report_id = serializers.IntegerField(read_only=True)
+    source_display = serializers.CharField(source="get_source_display", read_only=True)
 
     class Meta:
         model = Event
@@ -1076,8 +1078,10 @@ class Meta:
             "slug",
             "dtype",
             "source",
+            "source_display",
             "emergency_response_contact_email",
             "countries_for_preview",
+            "latest_field_report_id",
         )
 
 

main/urls.py

@@ -269,6 +269,7 @@
     url(r"^api/v2/per-options/", per_views.PerOptionsView.as_view()),
     url(r"^api/v2/export-per/(?P<pk>\d+)/", per_views.ExportPerView.as_view()),
     url(r"^api/v2/local-units-options/", local_units_views.LocalUnitOptionsView.as_view()),
+    # NOTE: This should be removed as DefaultRouter should cover this.
     url(r"^api/v2/event/(?P<pk>\d+)", api_views.EventViewset.as_view({"get": "retrieve"})),
     url(r"^api/v2/event/(?P<slug>[-\w]+)", api_views.EventViewset.as_view({"get": "retrieve"}, lookup_field="slug")),
     url(r"^api/v2/delegation-office/(?P<pk>\d+)", DelegationOfficeDetailAPIView.as_view()),