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RasadDam_Backend/apps/product/services/quota_dashboard_service.py

120 lines
5.0 KiB
Python

from django.db import models
from django.db.models import Sum, Count, Q
from django.db.models.functions import Coalesce
from apps.authentication.models import Organization
from apps.core.services.filter.search import DynamicSearchService
from apps.product.models import OrganizationQuotaStats, QuotaDistribution
class QuotaDashboardService:
"""
dashboard of quota information
"""
@staticmethod
def get_dashboard(self, org: Organization, start_date: str = None, end_date: str = None,
search_fields: list[str] = None, quota_is_closed: bool = False, query_string: str = None):
if org.type.key == 'ADM':
org_quota_stats = OrganizationQuotaStats.objects.filter(stat_type='quota', quota__is_closed=quota_is_closed)
print(len(org_quota_stats), quota_is_closed)
else:
org_quota_stats = OrganizationQuotaStats.objects.filter(
organization=org,
quota__is_closed=quota_is_closed,
)
# filter queryset (transactions & items) by date
if (start_date and end_date) or query_string:
org_quota_stats = DynamicSearchService(
queryset=org_quota_stats,
start=start_date,
end=end_date,
date_field="create_date",
search_fields=search_fields,
query_string=query_string
).apply()
org_quota_stats = org_quota_stats.aggregate(
total_quotas=Count("quota", distinct=True),
total_distributed=Coalesce(Sum("total_distributed", ), 0),
remaining_amount=Coalesce(Sum("remaining_amount", ), 0),
inventory_received=Coalesce(Sum("inventory_received", ), 0),
sold_amount=Coalesce(Sum("sold_amount", ), 0),
total_amount=Coalesce(Sum("total_amount", ), 0),
inventory_entry_balance=Coalesce(Sum("inventory_entry_balance", ), 0),
)
return {
"quotas_summary": org_quota_stats,
}
@staticmethod
def get_dashboard_by_product(self, organization: Organization, products: dict):
stat_by_prod = []
for prod_name, prod_id in products.items():
org_quota_stat = OrganizationQuotaStats.objects.filter(
organization=organization,
quota__product_id=prod_id
)
product_stat_data = org_quota_stat.aggregate(
quotas_count=Count('id'),
total_quotas_weight=Coalesce(models.Sum('total_amount'), 0),
active_quotas_weight=Coalesce(models.Sum(
'total_amount', filter=Q(quota__is_closed=False)
), 0),
closed_quotas_weight=Coalesce(models.Sum(
'total_amount', filter=Q(quota__is_closed=True)
), 0),
total_remaining_quotas_weight=Coalesce(models.Sum('remaining_amount'), 0),
total_distributed=Coalesce(models.Sum('total_distributed'), 0),
total_warehouse_entry=Coalesce(models.Sum('inventory_received'), 0),
total_sold=Coalesce(models.Sum('sold_amount'), 0),
)
received_distribution_weight = QuotaDistribution.objects.select_related(
'quota', 'assigned_organization'
).filter(
quota__product_id=prod_id,
quota__is_closed=False,
assigned_organization=organization,
) if not organization.type.key == 'ADM' else QuotaDistribution.objects.select_related(
'quota', 'assigned_organization'
).filter(
quota__product_id=prod_id,
quota__is_closed=False,
)
# product total distributed weight from quota
given_distribution_weight = QuotaDistribution.objects.select_related(
'quota', 'assigned_organization'
).filter(
quota__product_id=prod_id,
quota__is_closed=False,
assigner_organization=organization,
) if not organization.type.key == 'ADM' else QuotaDistribution.objects.select_related(
'quota', 'assigned_organization'
).filter(
quota__product_id=prod_id,
quota__is_closed=False,
)
product_stat_data.update(
product_name=prod_name,
product_id=prod_id,
received_distribution_number=received_distribution_weight.count(),
received_distribution_weight=received_distribution_weight.aggregate(
total_weight=models.Sum('weight')
)['total_weight'] or 0,
given_distribution_number=given_distribution_weight.count(),
given_distribution_weight=given_distribution_weight.aggregate(
total_weight=models.Sum('weight')
)['total_weight'] or 0,
)
stat_by_prod.append(product_stat_data)
return stat_by_prod