87 lines
3.1 KiB
Python
87 lines
3.1 KiB
Python
from django.db.models import Sum, Count, Q
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from django.db.models.functions import Coalesce
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from apps.herd.models import Rancher, Herd
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from apps.warehouse.models import InventoryQuotaSaleItem
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class RancherDashboardService:
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"""
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Rancher Dashboard Service
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"""
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@staticmethod
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def get_main_dashboard(
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self,
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rancher_search_fields: list[str] = None,
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herd_search_fields: list[str] = None,
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query_string: str = None
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):
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"""
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get ranchers main page dashboard
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"""
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ranchers = Rancher.objects.all()
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herds = Herd.objects.all()
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ranchers_data = ranchers.aggregate(
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total_ranchers_count=Coalesce(Count("id"), 0),
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total_with_herd=Coalesce(Count("id", filter=Q(without_herd=False)), 0),
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total_without_herd=Coalesce(Count("id", filter=Q(without_herd=True)), 0),
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total_natural_ranchers=Coalesce(Count("id", filter=Q(rancher_type='N')), 0),
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total_legal_ranchers=Coalesce(Count("id", filter=Q(rancher_type='L')), 0),
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total_industrial_ranchers=Coalesce(Count("id", filter=Q(activity='I')), 0),
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total_village_ranchers=Coalesce(Count("id", filter=Q(activity='V')), 0),
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total_nomadic_ranchers=Coalesce(Count("id", filter=Q(activity='N')), 0),
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)
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herds_data = herds.aggregate(
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total_herds_count=Coalesce(Count("id"), 0),
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total_industrial_herds_count=Coalesce(Count("id", filter=Q(activity='I')), 0),
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total_Village_herds_count=Coalesce(Count("id", filter=Q(activity='V')), 0),
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total_nomadic_herds_count=Coalesce(Count("id", filter=Q(activity='N')), 0),
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total_heavy_livestock_count=Coalesce(Sum("heavy_livestock_number"), 0),
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total_light_livestock_count=Coalesce(Sum("light_livestock_number"), 0),
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)
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return {"rancher_dashboard": ranchers_data, "herd_dashboard": herds_data}
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@staticmethod
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def get_rancher_dashboard(self, rancher: Rancher):
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"""
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get rancher dashboard
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"""
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rancher_data = rancher.herd.aggregate(
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total_herds_count=Coalesce(Count("id"), 0),
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total_heavy_livestock_count=Coalesce(Sum("heavy_livestock_number"), 0),
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total_light_livestock_count=Coalesce(Sum("light_livestock_number"), 0),
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)
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transaction_sale_items = InventoryQuotaSaleItem.objects.select_related(
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'transaction', 'quota_stat'
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).filter(
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transaction__rancher=rancher,
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# transaction__transaction_status='success',
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).aggregate(
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total_purchased_weight=Coalesce(Sum('weight'), 0),
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)
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rancher_data.update(transaction_sale_items)
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return rancher_data
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@staticmethod
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def rancher_dashboard_by_quota_usage(self, rancher: Rancher):
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"""
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get rancher dashboard by quota usage
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"""
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transaction_sale_items = InventoryQuotaSaleItem.objects.select_related(
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'transaction', 'quota_stat'
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).filter(
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transaction__rancher=rancher,
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transaction__transaction_status='success',
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)
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return
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