fix - improve response time of org_linked_ranchers
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@@ -5,54 +5,146 @@ from apps.authentication.services.service import get_all_org_child
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from apps.herd.models import RancherOrganizationLink
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# class RancherOrganizationService:
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# """
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# different services of ranchers linked to organization
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# """
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#
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# def orgs_linked_rancher(self, org: Organization = None, org_type_key: str = None):
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# """
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# list of organizations with their information of rancher, herd, ....
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# """
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# if org.type.key != 'ADM':
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# organizations = get_all_org_child(org)
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# organizations = Organization.objects.filter(id__in=[item.id for item in organizations])
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# else:
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# organizations = Organization.objects.filter(type__key=org_type_key)
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#
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# linked_qs = RancherOrganizationLink.objects.select_related(
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# 'rancher',
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# 'organization'
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# ).filter(organization__in=organizations, organization__type__key=org_type_key)
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#
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# organizations = organizations.annotate(
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# rancher_count=Count(
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# 'rancher_links__rancher_id',
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# distinct=True
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# ),
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# herd_count=Count(
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# 'rancher_links__rancher__herd',
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# distinct=True
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# ),
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# livestock_count=Count(
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# 'rancher_links__rancher__herd__live_stock_herd',
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# distinct=True
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# ),
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# )
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#
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# return [
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# {
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# "id": org.id,
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# "name": org.name,
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# "org_service_area": [{'name': city.name, 'id': city.id} for city in org.service_area.all()],
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# "org_purchase_policy": org.purchase_policy,
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# "province": org.province.name,
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# "province_id": org.province.id,
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# "city": org.city.name,
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# "city_id": org.city.id,
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# "rancher_count": org.rancher_count,
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# "herd_count": org.herd_count,
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# "livestock_count": org.livestock_count,
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# }
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# for org in organizations
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# ]
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class RancherOrganizationService:
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"""
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different services of ranchers linked to organization
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"""
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def orgs_linked_rancher(self, org: Organization = None, org_type_key: str = None):
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"""
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list of organizations with their information of rancher, herd, ....
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"""
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def orgs_linked_rancher(self, org: Organization, org_type_key: str):
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# --------------------------------------------------
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# 1. Base organizations queryset
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# --------------------------------------------------
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if org.type.key != 'ADM':
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organizations = get_all_org_child(org)
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organizations = Organization.objects.filter(id__in=[item.id for item in organizations])
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child_orgs = get_all_org_child(org)
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org_ids = [o.id for o in child_orgs]
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else:
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organizations = Organization.objects.filter(type__key=org_type_key)
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org_ids = Organization.objects.filter(
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type__key=org_type_key
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).values_list('id', flat=True)
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linked_qs = RancherOrganizationLink.objects.select_related(
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'rancher',
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'organization'
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).filter(organization__in=organizations, organization__type__key=org_type_key)
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organizations = organizations.annotate(
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rancher_count=Count(
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'rancher_links__rancher',
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distinct=True
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),
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herd_count=Count(
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'rancher_links__rancher__herd',
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distinct=True
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),
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livestock_count=Count(
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'rancher_links__rancher__herd__live_stock_herd',
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distinct=True
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),
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organizations = (
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Organization.objects
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.filter(id__in=org_ids, type__key=org_type_key)
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.select_related('province', 'city')
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.prefetch_related('service_area')
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)
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return [
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{
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# --------------------------------------------------
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# 2. Rancher count per organization
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# --------------------------------------------------
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rancher_counts = {
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row['organization_id']: row['cnt']
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for row in (
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RancherOrganizationLink.objects
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.filter(organization_id__in=org_ids)
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.values('organization_id')
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.annotate(cnt=Count('rancher_id', distinct=True))
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)
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}
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# --------------------------------------------------
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# 3. Herd count per organization
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# --------------------------------------------------
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herd_counts = {
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row['organization_id']: row['cnt']
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for row in (
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RancherOrganizationLink.objects
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.filter(organization_id__in=org_ids)
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.values('organization_id')
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.annotate(cnt=Count('rancher__herd', distinct=True))
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)
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}
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# --------------------------------------------------
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# 4. Livestock count per organization
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# --------------------------------------------------
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livestock_counts = {
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row['organization_id']: row['cnt']
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for row in (
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RancherOrganizationLink.objects
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.filter(organization_id__in=org_ids)
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.values('organization_id')
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.annotate(
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cnt=Count(
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'rancher__herd__live_stock_herd',
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distinct=True
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)
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)
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)
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}
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# --------------------------------------------------
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# 5. Final response (merge in memory)
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# --------------------------------------------------
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response = []
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for org in organizations:
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response.append({
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"id": org.id,
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"name": org.name,
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"org_service_area": [{'name': city.name, 'id': city.id} for city in org.service_area.all()],
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"org_service_area": [
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{"id": city.id, "name": city.name}
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for city in org.service_area.all()
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],
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"org_purchase_policy": org.purchase_policy,
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"province": org.province.name,
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"province_id": org.province.id,
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"city": org.city.name,
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"city_id": org.city.id,
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"rancher_count": org.rancher_count,
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"herd_count": org.herd_count,
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"livestock_count": org.livestock_count,
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}
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for org in organizations
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]
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"rancher_count": rancher_counts.get(org.id, 0),
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"herd_count": herd_counts.get(org.id, 0),
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"livestock_count": livestock_counts.get(org.id, 0),
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})
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return response
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