add new app

core/apps/wherehouse/admin/__init__.py

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+from .wherehouse import *
+from .inventory import *
+from .stock_movement import *

core/apps/wherehouse/admin/inventory.py

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+from django.contrib import admin 
+
+from core.apps.wherehouse.models.inventory import Inventory
+
+
+@admin.register(Inventory)
+class InventoryAdmin(admin.ModelAdmin):
+    list_display = ['quantity', 'wherehouse', 'product']
+    

core/apps/wherehouse/admin/stock_movement.py

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+from django.contrib import admin
+
+from core.apps.wherehouse.models.stock_movemend import StockMovemend
+
+
+@admin.register(StockMovemend)
+class StockMovemendAdmin(admin.ModelAdmin):
+    list_display = ['wherehouse_to', 'wherehouse_from', 'product', 'quantity', 'movemend_type']

core/apps/wherehouse/admin/wherehouse.py

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+from django.contrib import admin 
+
+from core.apps.wherehouse.models.wherehouse import WhereHouse
+
+
+@admin.register(WhereHouse)
+class WhereHouseAdmin(admin.ModelAdmin):
+    list_display = ['name', 'address', 'branch']
+    search_fields = ['name', 'address']
+    list_filter = ['branch']

core/apps/wherehouse/apps.py

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+from django.apps import AppConfig
+
+
+class WherehouseConfig(AppConfig):
+    default_auto_field = 'django.db.models.BigAutoField'
+    name = 'core.apps.wherehouse'
+
+    def ready(self):
+        from . import admin

core/apps/wherehouse/migrations/0001_initial.py

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+# Generated by Django 5.2.4 on 2025-08-01 11:42
+
+import django.db.models.deletion
+import uuid
+from django.db import migrations, models
+
+
+class Migration(migrations.Migration):
+
+    initial = True
+
+    dependencies = [
+        ('company', '0002_rename_barnch_branch'),
+        ('products', '0001_initial'),
+    ]
+
+    operations = [
+        migrations.CreateModel(
+            name='WhereHouse',
+            fields=[
+                ('id', models.UUIDField(default=uuid.uuid4, editable=False, primary_key=True, serialize=False, unique=True)),
+                ('created_at', models.DateTimeField(auto_now_add=True)),
+                ('updated_at', models.DateTimeField(auto_now=True)),
+                ('name', models.CharField(max_length=200)),
+                ('address', models.CharField(max_length=200)),
+                ('branch', models.ForeignKey(on_delete=django.db.models.deletion.CASCADE, related_name='wherehouses', to='company.branch')),
+            ],
+            options={
+                'verbose_name': 'omborxona',
+                'verbose_name_plural': 'omborxonalar',
+            },
+        ),
+        migrations.CreateModel(
+            name='Inventory',
+            fields=[
+                ('id', models.UUIDField(default=uuid.uuid4, editable=False, primary_key=True, serialize=False, unique=True)),
+                ('created_at', models.DateTimeField(auto_now_add=True)),
+                ('updated_at', models.DateTimeField(auto_now=True)),
+                ('quantity', models.PositiveIntegerField(default=0)),
+                ('product', models.ForeignKey(on_delete=django.db.models.deletion.CASCADE, related_name='inventories', to='products.product')),
+                ('wherehouse', models.ForeignKey(on_delete=django.db.models.deletion.CASCADE, related_name='inventories', to='wherehouse.wherehouse')),
+            ],
+            options={
+                'verbose_name': 'inventar',
+                'verbose_name_plural': 'inventarlar',
+            },
+        ),
+    ]

core/apps/wherehouse/migrations/0002_stockmovemend.py

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+# Generated by Django 5.2.4 on 2025-08-01 14:37
+
+import django.db.models.deletion
+import uuid
+from django.db import migrations, models
+
+
+class Migration(migrations.Migration):
+
+    dependencies = [
+        ('products', '0002_alter_product_options'),
+        ('wherehouse', '0001_initial'),
+    ]
+
+    operations = [
+        migrations.CreateModel(
+            name='StockMovemend',
+            fields=[
+                ('id', models.UUIDField(default=uuid.uuid4, editable=False, primary_key=True, serialize=False, unique=True)),
+                ('created_at', models.DateTimeField(auto_now_add=True)),
+                ('updated_at', models.DateTimeField(auto_now=True)),
+                ('quantity', models.PositiveIntegerField(default=0)),
+                ('movemend_type', models.CharField(choices=[('IN', 'in'), ('OUT', 'out'), ('TRANSFER', 'transfer')], max_length=20)),
+                ('product', models.ForeignKey(on_delete=django.db.models.deletion.CASCADE, related_name='stocks', to='products.product')),
+                ('wherehouse_from', models.ForeignKey(on_delete=django.db.models.deletion.CASCADE, related_name='stocks_from', to='wherehouse.wherehouse')),
+                ('wherehouse_to', models.ForeignKey(on_delete=django.db.models.deletion.CASCADE, related_name='stocks_to', to='wherehouse.wherehouse')),
+            ],
+            options={
+                'verbose_name': 'Mahsulotlarni kochirish',
+                'verbose_name_plural': 'Mahsulotlarni kochirish',
+            },
+        ),
+    ]

core/apps/wherehouse/models/__init__.py

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+from .inventory import *
+from .wherehouse import *
+from .stock_movemend import *

core/apps/wherehouse/models/inventory.py

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+from django.db import models
+from django.utils.translation import gettext_lazy as _
+
+from core.apps.shared.models import BaseModel
+from core.apps.wherehouse.models.wherehouse import WhereHouse
+from core.apps.products.models.product import Product
+
+
+class Inventory(BaseModel):
+    wherehouse = models.ForeignKey(WhereHouse, on_delete=models.CASCADE, related_name='inventories')
+    quantity = models.PositiveIntegerField(default=0)
+    product = models.ForeignKey(Product, on_delete=models.CASCADE, related_name='inventories')
+
+    def __str__(self):
+        return f'{self.product} in {self.wherehouse}'
+
+    class Meta:
+        verbose_name = _('inventar')
+        verbose_name_plural = _("inventarlar")
+        

core/apps/wherehouse/models/stock_movemend.py

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+from django.db import models
+from django.utils.translation import gettext_lazy as _
+
+from core.apps.shared.models import BaseModel
+from core.apps.wherehouse.models.wherehouse import WhereHouse
+from core.apps.products.models.product import Product
+
+
+class StockMovemend(BaseModel):
+    TYPE = (
+        ('IN', 'in'),
+        ('OUT', 'out'),
+        ('TRANSFER', 'transfer'),
+    )
+
+    wherehouse_to = models.ForeignKey(
+        WhereHouse, on_delete=models.CASCADE, related_name='stocks_to'
+    )
+    wherehouse_from = models.ForeignKey(
+        WhereHouse, on_delete=models.CASCADE, related_name='stocks_from'
+    )
+    product = models.ForeignKey(
+        Product, on_delete=models.CASCADE, related_name='stocks'
+    )
+    quantity = models.PositiveIntegerField(default=0)
+    movemend_type = models.CharField(max_length=20, choices=TYPE)
+
+    def __str__(self):
+        return f'{self.product} send from {self.wherehouse_from} to {self.wherehouse_to}'
+    
+    class Meta:
+        verbose_name = _('Mahsulotlarni kochirish')
+        verbose_name_plural = _('Mahsulotlarni kochirish')

core/apps/wherehouse/models/wherehouse.py

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+from django.db import models
+from django.utils.translation import gettext_lazy as _
+
+from core.apps.shared.models import BaseModel
+from core.apps.company.models.branch import Branch
+
+
+class WhereHouse(BaseModel):
+    branch = models.ForeignKey(Branch, on_delete=models.CASCADE, related_name='wherehouses')
+    name = models.CharField(max_length=200)
+    address = models.CharField(max_length=200)
+
+    def __str__(self):
+        return self.name
+    
+    class Meta:
+        verbose_name = _('omborxona')
+        verbose_name_plural = _('omborxonalar')

core/apps/wherehouse/serializers/inventory.py

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+from rest_framework import serializers
+
+from core.apps.wherehouse.models.inventory import Inventory
+
+
+class WhereHouseInventoryListSerializer(serializers.ModelSerializer):
+    class Meta:
+        model = Inventory
+        fields = [
+            'id', 'quantity', 'product'
+        ]

core/apps/wherehouse/serializers/wherehouse.py

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+from rest_framework import serializers
+
+from core.apps.wherehouse.models.wherehouse import WhereHouse
+from core.apps.wherehouse.serializers.inventory import WhereHouseInventoryListSerializer
+from core.apps.company.serializers.branch import BranchListSerializer
+
+
+class WhereHouseListSerializer(serializers.ModelSerializer):
+    branch = BranchListSerializer()
+
+    class Meta:
+        model = WhereHouse
+        fields = [
+            'id', 'name', 'address', 'branch'
+        ]
+
+
+class WhereHouseDetailSerializer(serializers.ModelSerializer):
+    branch = BranchListSerializer()
+    inventories = WhereHouseInventoryListSerializer(many=True)
+
+    class Meta:
+        model = WhereHouse
+        fields = [
+            'id', 'name', 'address', 'branch', 'inventories'
+        ]
+

core/apps/wherehouse/urls.py

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+from django.urls import path, include
+
+from core.apps.wherehouse.views import wherehouse as wherehouse_views
+
+
+urlpatterns = [
+    path('wherehouse/', include(
+        [
+            path('list/', wherehouse_views.WhereHouseListApiView.as_view()),
+            path('<uuid:id>/', wherehouse_views.WhereHouseDetailApiView.as_view()),
+        ]
+    ))
+]

core/apps/wherehouse/views/wherehouse.py

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+from rest_framework import generics, status
+from rest_framework.response import Response
+
+from core.apps.wherehouse.models import WhereHouse, Inventory
+from core.apps.wherehouse.serializers import wherehouse as serializers
+from core.apps.accounts.permissions.permissions import HasRolePermission
+
+
+class WhereHouseListApiView(generics.ListAPIView):
+    serializer_class = serializers.WhereHouseListSerializer
+    queryset = WhereHouse.objects.select_related('branch')
+    permission_classes = [HasRolePermission]
+    required_permissions = []
+
+
+class WhereHouseDetailApiView(generics.RetrieveAPIView):
+    serializer_class = serializers.WhereHouseDetailSerializer
+    queryset = WhereHouse.objects.select_related('branch').prefetch_related('inventories')
+    permission_classes = [HasRolePermission]
+    required_permissions = []
+    lookup_field = 'id'