Files
RasadDam_Backend/apps/product/services/services.py

147 lines
4.5 KiB
Python

from collections import defaultdict
from apps.product.models import (
Quota,
QuotaLivestockAllocation,
QuotaPriceCalculationItems,
QuotaFinalPriceTypes
)
from apps.warehouse.models import InventoryEntry
from apps.herd.models import Rancher
from django.db.models import Sum
import typing
def get_products_in_warehouse(organization_id):
""" get list of products from organization warehouse """
entries = InventoryEntry.objects.select_related(
'distribution__quota__product'
)
product_objects = [
entry.distribution.quota.product for entry in entries
]
return list(set(product_objects))
def quota_live_stock_allocation_info(quota: Quota) -> typing.Any:
""" information of quota live stock allocations """
allocations = quota.livestock_allocations.select_related('livestock_type')
if allocations:
allocations_list = [{
"name": alloc.livestock_type.name,
"quantity": alloc.quantity_kg,
"type": alloc.livestock_type.weight_type
} for alloc in allocations]
return allocations_list
def quota_incentive_plans_info(quota: Quota, rancher: Rancher) -> typing.Any:
""" information of quota incentive plans """
incentive_plans = quota.incentive_assignments.select_related("livestock_type", "incentive_plan")
if incentive_plans:
incentive_plans_list = []
for plan in incentive_plans:
rancher_plan = plan.incentive_plan.rancher_plans.select_related(
'rancher',
'livestock_type'
).filter(rancher=rancher, livestock_type=plan.livestock_type)
incentive_plans_data = {
'id': plan.incentive_plan.id,
'name': plan.incentive_plan.name,
'livestock_type': plan.livestock_type.name if plan.livestock_type else "",
'livestock_type_en': plan.livestock_type.en_name if plan.livestock_type else "",
'livestock_weight_type': plan.livestock_type.weight_type if plan.livestock_type else "",
'quantity_kg': plan.quantity_kg,
'rancher_license_count': rancher_plan.first().allowed_quantity if rancher_plan else 0,
}
incentive_plans_list.append(incentive_plans_data)
return incentive_plans_list
def quota_brokers_value(quota: Quota) -> typing.Any:
""" information of quota brokers with their quota value """
brokers = quota.broker_values.select_related("broker")
if brokers:
broker_values_list = [{
'name': broker.broker.name,
'amount': broker.value
} for broker in brokers]
return broker_values_list
def quota_attribute_value(quota: Quota) -> typing.Any:
""" information of quota pricing attribute values """
attributes = quota.attribute_values.select_related("attribute")
if attributes:
attribute_values_list = [{
'name': attr.attribute.name,
'amount': attr.value
} for attr in attributes]
return attribute_values_list
def quota_pricing_items_by_type(quota: Quota, sharing: list) -> typing.Any:
"""
information of quota pricing items by final price type
Optimized: fetch all pricing items once, group by pricing_type
"""
# calculate pos sharing accounts total price
# summation with bellow price items and set final total price in output
calculate_sharing_total_price = sum(item['amount'] for item in sharing)
items = (
QuotaPriceCalculationItems.objects.filter(quota=quota).select_related(
"pricing_type"
).values(
"pricing_type_id",
"pricing_type__en_name",
"pricing_type__name",
"name",
"value"
)
)
# split price items
grouped = defaultdict(list)
for item in items:
key = item["pricing_type__en_name"]
grouped[key].append({
"name": item["name"],
"value": item["value"]
})
# get total items price & final result
result = []
for en_name, group_items in grouped.items():
total_price = sum(i["value"] for i in group_items if i["value"])
fa_name = next(
(i["pricing_type__name"] for i in items if i["pricing_type__en_name"] == en_name),
en_name
)
result.append({
'id': en_name,
'items': group_items,
"name": fa_name,
"price": total_price,
"total_price": total_price + calculate_sharing_total_price
})
return result