fix --> structure of species data in main dist batch dashboard

apps/tag/services/tag_batch_service.py

@@ -0,0 +1,22 @@
+from apps.authentication.models import Organization
+from apps.authentication.services.service import get_all_org_child
+from apps.tag.models import TagBatch
+
+
+class TagBatchService:
+    """
+    services of tag batch
+    """
+
+    def main_dashboard(self, org: Organization = None):
+        """
+        dashboard data of batch main page
+        """
+
+        tag_batches = TagBatch.objects.select_related('organization').prefetch_related('tag')
+
+        if org.type.key != 'ADM':
+            # get batches with org & their child
+            child_org = get_all_org_child(org)
+            child_org.append(org)
+            tag_batches = tag_batches.filter(organization_id__in=[child.id for child in child_org])

apps/tag/services/tag_distribution_services.py

@@ -191,12 +191,14 @@ class TagDistributionService:
         species = LiveStockSpecies.objects.values('value')
 
         for spec in species:
-            items_list.append({
-                spec.get('value'): distributions.aggregate(
+            dist_data = distributions.aggregate(
                 dist_count=Count('id', filter=Q(species_code=spec.get('value'))),
-                    tag_count=Sum('distributed_number', filter=Q(species_code=spec.get('value')))
-                ),
-            })
+                tag_count=Coalesce(
+                    Sum('distributed_number', filter=Q(species_code=spec.get('value'))), 0
+                )
+            )
+            dist_data.update({'species_code': spec.get('value')})  # add species code to data
+            items_list.append(dist_data)
 
         data.update({'items': items_list})