free sale of inventory entry system deployment - add dhi state to rancher

apps/product/exceptions.py

@@ -10,6 +10,14 @@ class QuotaWeightException(APIException):
     default_code = 'error'
 
 
+class DistributionWeightException(APIException):
+    """ if sale transaction weight is more than distribution weight """
+
+    status_code = status.HTTP_400_BAD_REQUEST
+    default_detail = 'مقدار وزن وارد شده بیشتر از وزن سهمیه توزیع شده میباشد.'  # noqa
+    default_code = 'error'
+
+
 class QuotaClosedException(APIException):
     """ if quota is closed, operations can not be done """
 

apps/product/migrations/0073_historicalquotadistribution_free_sale_and_more.py

@@ -0,0 +1,33 @@
+# Generated by Django 5.0 on 2025-09-16 07:41
+
+from django.db import migrations, models
+
+
+class Migration(migrations.Migration):
+
+    dependencies = [
+        ('product', '0072_alter_quota_base_price_cooperative_and_more'),
+    ]
+
+    operations = [
+        migrations.AddField(
+            model_name='historicalquotadistribution',
+            name='free_sale',
+            field=models.BooleanField(default=False),
+        ),
+        migrations.AddField(
+            model_name='historicalquotadistribution',
+            name='pre_sale',
+            field=models.BooleanField(default=False),
+        ),
+        migrations.AddField(
+            model_name='quotadistribution',
+            name='free_sale',
+            field=models.BooleanField(default=False),
+        ),
+        migrations.AddField(
+            model_name='quotadistribution',
+            name='pre_sale',
+            field=models.BooleanField(default=False),
+        ),
+    ]

apps/product/signals.py

@@ -1,8 +1,10 @@
 from django.db.models import Sum, Q
 from django.db.models.signals import post_save, post_delete
+from django.contrib.auth.models import AnonymousUser
 from common.helpers import get_organization_by_user
 from rest_framework.exceptions import APIException
 from django.dispatch import receiver
+from apps.authentication.models import User
 from .models import (
     QuotaDistribution,
     Quota,
@@ -72,134 +74,136 @@ def update_quota_remaining(sender, instance, **kwargs):
 def update_product_stats(instance: Product, distribution: QuotaDistribution = None):
     """ update all stats of product  """
 
-    organization = get_organization_by_user(get_current_user())
-
-    if ProductStats.objects.filter(
-            organization=organization,
-            product=instance,
-            sale_unit=distribution.quota.sale_unit.unit
-    ):
-        stat = instance.stats.get(
-            organization=organization,
-            product=instance,
-            sale_unit=distribution.quota.sale_unit.unit
-        )
-    else:
-        stat = ProductStats.objects.create(
-            product=instance,
-            organization=organization,
-            sale_unit=distribution.quota.sale_unit.unit
-        )
-
-    # number of quotas
-
-    quota = Quota.objects.filter(
-        Q(
-            distributions_assigned__in=QuotaDistribution.objects.filter(
-                Q(assigned_organization=organization) |
-                Q(assigner_organization=organization) &
-                Q(parent_distribution__isnull=True)
+    user = get_current_user()  # get user object
+    if not isinstance(user, AnonymousUser):
+        organization = get_organization_by_user(user)
 
+        if ProductStats.objects.filter(
+                organization=organization,
+                product=instance,
+                sale_unit=distribution.quota.sale_unit.unit
+        ):
+            stat = instance.stats.get(
+                organization=organization,
+                product=instance,
+                sale_unit=distribution.quota.sale_unit.unit
+            )
+        else:
+            stat = ProductStats.objects.create(
+                product=instance,
+                organization=organization,
+                sale_unit=distribution.quota.sale_unit.unit
             )
-        ) |
-        Q(registerer_organization=organization),
-        product=instance
-    ).distinct()
 
-    quotas_count = quota.count()  # noqa
+        # number of quotas
 
-    total_quotas_weight = quota.aggregate(  # noqa
-        total=models.Sum('quota_weight')
-    )['total'] or 0
+        quota = Quota.objects.filter(
+            Q(
+                distributions_assigned__in=QuotaDistribution.objects.filter(
+                    Q(assigned_organization=organization) |
+                    Q(assigner_organization=organization) &
+                    Q(parent_distribution__isnull=True)
 
-    # total weight of product that assigned in quota
-    active_quotas_weight = quota.filter(is_closed=False).aggregate(
-        total=models.Sum('quota_weight')
-    )['total'] or 0
+                )
+            ) |
+            Q(registerer_organization=organization),
+            product=instance
+        ).distinct()
 
-    closed_quotas_weight = quota.filter(is_closed=True).aggregate(  # noqa
-        total=models.Sum('quota_weight')
-    )['total'] or 0
+        quotas_count = quota.count()  # noqa
 
-    # total remaining weight of product quotas
-    total_remaining_quotas_weight = quota.filter(is_closed=False).aggregate(  # noqa
-        total=models.Sum('remaining_weight')
-    )['total'] or 0
+        total_quotas_weight = quota.aggregate(  # noqa
+            total=models.Sum('quota_weight')
+        )['total'] or 0
 
-    received_distribution_weight = QuotaDistribution.objects.filter(
-        quota__product_id=instance.id,
-        quota__is_closed=False,
-        quota__sale_unit=distribution.quota.sale_unit,
-        assigned_organization=organization,
-        parent_distribution__isnull=True
-    )
+        # total weight of product that assigned in quota
+        active_quotas_weight = quota.filter(is_closed=False).aggregate(
+            total=models.Sum('quota_weight')
+        )['total'] or 0
 
-    received_distribution_number = received_distribution_weight.count()
+        closed_quotas_weight = quota.filter(is_closed=True).aggregate(  # noqa
+            total=models.Sum('quota_weight')
+        )['total'] or 0
 
-    received_distribution_weight = received_distribution_weight.aggregate(
-        total_weight=models.Sum('weight')
-    )['total_weight'] or 0
+        # total remaining weight of product quotas
+        total_remaining_quotas_weight = quota.filter(is_closed=False).aggregate(  # noqa
+            total=models.Sum('remaining_weight')
+        )['total'] or 0
 
-    # product total distributed weight from quota
-    given_distribution_weight = QuotaDistribution.objects.filter(
-        quota__product_id=instance.id,
-        quota__is_closed=False,
-        quota__sale_unit=distribution.quota.sale_unit,
-        assigner_organization=organization,
-        parent_distribution__isnull=True
-    )
+        received_distribution_weight = QuotaDistribution.objects.filter(
+            quota__product_id=instance.id,
+            quota__is_closed=False,
+            quota__sale_unit=distribution.quota.sale_unit,
+            assigned_organization=organization,
+            parent_distribution__isnull=True
+        )
 
-    given_distribution_number = given_distribution_weight.count()
-    given_distribution_weight = given_distribution_weight.aggregate(
-        total_weight=models.Sum('weight')
-    )['total_weight'] or 0
+        received_distribution_number = received_distribution_weight.count()
 
-    if received_distribution_weight > 0:
-        distribution_weight_balance = received_distribution_weight - given_distribution_weight
-    else:
-        distribution_weight_balance = given_distribution_weight
+        received_distribution_weight = received_distribution_weight.aggregate(
+            total_weight=models.Sum('weight')
+        )['total_weight'] or 0
 
-    # total sold of product from quota
-    total_sold = QuotaDistribution.objects.filter(
-        quota__product_id=instance.id,
-        quota__is_closed=False,
-        quota__sale_unit=distribution.quota.sale_unit,
-        assigned_organization=organization
-    ).aggregate(total_sold=models.Sum('been_sold'))['total_sold'] or 0
+        # product total distributed weight from quota
+        given_distribution_weight = QuotaDistribution.objects.filter(
+            quota__product_id=instance.id,
+            quota__is_closed=False,
+            quota__sale_unit=distribution.quota.sale_unit,
+            assigner_organization=organization,
+            parent_distribution__isnull=True
+        )
 
-    # total entry from product to inventory
-    total_warehouse_entry = QuotaDistribution.objects.filter(
-        quota__product_id=instance.id,
-        quota__is_closed=False,
-        quota__sale_unit=distribution.quota.sale_unit,
-        assigned_organization=organization
-    ).aggregate(total_entry=models.Sum('warehouse_entry'))['total_entry'] 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.quotas_number = quotas_count
-    stat.active_quotas_weight = active_quotas_weight
-    stat.closed_quotas_weight = closed_quotas_weight
-    stat.total_quota_weight = total_quotas_weight
-    stat.total_quota_remaining = total_remaining_quotas_weight
-    stat.total_remaining_distribution_weight = distribution_weight_balance
-    stat.received_distribution_weight = received_distribution_weight
-    stat.given_distribution_weight = given_distribution_weight
-    stat.received_distribution_number = received_distribution_number
-    stat.given_distribution_number = given_distribution_number
-    stat.total_warehouse_entry = total_warehouse_entry
-    stat.total_sold = total_sold
-    stat.save(update_fields=[
-        "quotas_number",
-        "active_quotas_weight",
-        "closed_quotas_weight",
-        "total_quota_weight",
-        "total_quota_remaining",
-        "total_remaining_distribution_weight",
-        "received_distribution_weight",
-        "given_distribution_weight",
-        "received_distribution_number",
-        "total_warehouse_entry",
-        "total_sold",
-    ])
+        if received_distribution_weight > 0:
+            distribution_weight_balance = received_distribution_weight - given_distribution_weight
+        else:
+            distribution_weight_balance = given_distribution_weight
+
+        # total sold of product from quota
+        total_sold = QuotaDistribution.objects.filter(
+            quota__product_id=instance.id,
+            quota__is_closed=False,
+            quota__sale_unit=distribution.quota.sale_unit,
+            assigned_organization=organization
+        ).aggregate(total_sold=models.Sum('been_sold'))['total_sold'] or 0
+
+        # total entry from product to inventory
+        total_warehouse_entry = QuotaDistribution.objects.filter(
+            quota__product_id=instance.id,
+            quota__is_closed=False,
+            quota__sale_unit=distribution.quota.sale_unit,
+            assigned_organization=organization
+        ).aggregate(total_entry=models.Sum('warehouse_entry'))['total_entry'] or 0
+
+        stat.quotas_number = quotas_count
+        stat.active_quotas_weight = active_quotas_weight
+        stat.closed_quotas_weight = closed_quotas_weight
+        stat.total_quota_weight = total_quotas_weight
+        stat.total_quota_remaining = total_remaining_quotas_weight
+        stat.total_remaining_distribution_weight = distribution_weight_balance
+        stat.received_distribution_weight = received_distribution_weight
+        stat.given_distribution_weight = given_distribution_weight
+        stat.received_distribution_number = received_distribution_number
+        stat.given_distribution_number = given_distribution_number
+        stat.total_warehouse_entry = total_warehouse_entry
+        stat.total_sold = total_sold
+        stat.save(update_fields=[
+            "quotas_number",
+            "active_quotas_weight",
+            "closed_quotas_weight",
+            "total_quota_weight",
+            "total_quota_remaining",
+            "total_remaining_distribution_weight",
+            "received_distribution_weight",
+            "given_distribution_weight",
+            "received_distribution_number",
+            "total_warehouse_entry",
+            "total_sold",
+        ])
 
 
 def update_quota_stats(instance: Quota):