import - rancher organization linked deploy --> with dashboards of cooperative management oage

apps/herd/services/rancher_org_link_services.py

@@ -0,0 +1,53 @@
+from django.db.models import Count
+
+from apps.authentication.models import Organization
+from apps.authentication.services.service import get_all_org_child
+from apps.herd.models import RancherOrganizationLink
+
+
+class RancherOrganizationService:
+    """
+    different services of ranchers linked to organization
+    """
+
+    def orgs_linked_rancher(self, org: Organization = None):
+        """
+        list of organizations with their information of rancher, herd, ....
+        """
+        if org.type.key != 'ADM':
+            organizations = get_all_org_child(org)
+        else:
+            organizations = Organization.objects.filter(type__key='CO')
+
+        linked_qs = RancherOrganizationLink.objects.select_related(
+            'rancher',
+            'organization'
+        ).filter(organization__in=organizations, organization__type__key='CO')
+
+        organizations = organizations.annotate(
+            rancher_count=Count(
+                'rancher_links__rancher',
+                distinct=True
+            ),
+            herd_count=Count(
+                'rancher_links__rancher__herd',
+                distinct=True
+            ),
+            livestock_count=Count(
+                'rancher_links__rancher__herd__live_stock_herd',
+                distinct=True
+            ),
+        )
+
+        return [
+            {
+                "id": org.id,
+                "name": org.name,
+                "province": org.province.name,
+                "city": org.city.name,
+                "rancher_count": org.rancher_count,
+                "herd_count": org.herd_count,
+                "livestock_count": org.livestock_count,
+            }
+            for org in organizations
+        ]