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warehouse_managment/product/management/commands/populate_all_data.py

@@ -1,6 +1,6 @@
 from django.core.management.base import BaseCommand
 from product.models import ProductCategory, Product, SupplierProduct
-from warehouse.models import Warehouse, WarehouseInventory, InventoryTransaction
+from warehouse.models import Warehouse, WarehouseInventory, InventoryTransaction, WarehouseSupplier
 from decimal import Decimal
 from django.utils import timezone
 import random
@@ -13,12 +13,13 @@ class Command(BaseCommand):
     def handle(self, *args, **kwargs):
         self.stdout.write("🧹 Deleting existing data...")
 
-        InventoryTransaction.objects.all().delete()
-        WarehouseInventory.objects.all().delete()
-        SupplierProduct.objects.all().delete()
-        Product.objects.all().delete()
-        ProductCategory.objects.all().delete()
-        Warehouse.objects.all().delete()
+        # InventoryTransaction.objects.all().delete()
+        # WarehouseInventory.objects.all().delete()
+        # SupplierProduct.objects.all().delete()
+        # Product.objects.all().delete()
+        # ProductCategory.objects.all().delete()
+        # WarehouseSupplier.objects.all().delete()
+        # Warehouse.objects.all().delete()
 
         self.stdout.write("🧪 Populating new data...")
 
@@ -34,7 +35,7 @@ def handle(self, *args, **kwargs):
 
         # Products
         products = []
-        for i in range(10):  # more products
+        for i in range(10):
             category = random.choice(categories)
             product = Product.objects.create(
                 product_SKU=f"SKU{i + 1:03}",
@@ -44,7 +45,7 @@ def handle(self, *args, **kwargs):
             )
             products.append(product)
 
-        # Warehouses
+        # Warehouses (Randomly assigning warehouses to suppliers)
         warehouse_data = [
             ("Colombo Central", "6.9271° N", "79.8612° E"),
             ("Kandy Depot", "7.2906° N", "80.6337° E"),
@@ -56,39 +57,52 @@ def handle(self, *args, **kwargs):
                 warehouse_name=name,
                 location_x=x,
                 location_y=y,
-                capacity=Decimal("1000000.00")
+                capacity=Decimal("100000000.00")
             )
             warehouses.append(warehouse)
 
-        # SupplierProduct, WarehouseInventory, and InventoryTransaction
+        # SupplierProduct, WarehouseInventory, InventoryTransaction, WarehouseSupplier
+        created_pairs = set()
+
         for product in products:
-            for supplier_id in [101, 102, 103]:
-                # SupplierProduct
-                max_capacity = random.randint(300000, 600000)
-                lead_time = random.randint(3, 10)
-                SupplierProduct.objects.create(
-                    supplier_id=supplier_id,
-                    product=product,
-                    maximum_capacity=max_capacity,
-                    supplier_price=round(random.uniform(80, 1500), 2),
-                    lead_time_days=lead_time
-                )
+            # Randomly assign suppliers (not for all suppliers)
+            suppliers = random.sample([101, 102, 103], k=random.randint(1, 3))  # Randomly pick 1 to 3 suppliers
+            for supplier_id in suppliers:
+                # SupplierProduct (Randomly create it for some suppliers)
+                if random.choice([True, False]):
+                    max_capacity = random.randint(300000, 600000)
+                    lead_time = random.randint(3, 10)
+                    SupplierProduct.objects.create(
+                        supplier_id=supplier_id,
+                        product=product,
+                        maximum_capacity=max_capacity,
+                        supplier_price=round(random.uniform(80, 1500), 2),
+                        lead_time_days=lead_time
+                    )
+
+                # WarehouseSupplier (Randomly assign warehouses for this supplier)
+                warehouse = random.choice(warehouses)  # Randomly pick one warehouse for this supplier
+                if (warehouse.id, supplier_id) not in created_pairs:
+                    WarehouseSupplier.objects.create(
+                        warehouse=warehouse,
+                        supplier_id=supplier_id
+                    )
+                    created_pairs.add((warehouse.id, supplier_id))
 
-                # For each warehouse, create inventory & transactions
-                for warehouse in warehouses:
+                # Inventory - ensure unique product_id and warehouse_id combination
+                if not WarehouseInventory.objects.filter(warehouse=warehouse, product=product).exists():
                     quantity = Decimal(random.uniform(100000, 400000))
                     last_restocked = timezone.now() - timedelta(days=random.randint(1, 60))
 
                     inventory = WarehouseInventory.objects.create(
                         warehouse=warehouse,
                         product=product,
-                        supplier_id=supplier_id,
                         quantity=quantity,
                         last_restocked=last_restocked,
                         minimum_stock_level=Decimal("100000.00")
                     )
 
-                    # Create 1-2 incoming and 1 outgoing transactions per inventory
+                    # Transactions
                     for _ in range(random.randint(1, 2)):
                         qty_in = Decimal(random.uniform(10000, 50000))
                         InventoryTransaction.objects.create(
@@ -111,4 +125,4 @@ def handle(self, *args, **kwargs):
                             created_by="System"
                         )
 
-        self.stdout.write(self.style.SUCCESS("✅ Successfully seeded all data including inventory and transactions!"))
+        self.stdout.write(self.style.SUCCESS("✅ Successfully seeded all data!!!"))

warehouse_managment/warehouse/admin.py

@@ -1,16 +1,21 @@
 from django.contrib import admin
-from .models import Warehouse, WarehouseInventory, InventoryTransaction
+from .models import Warehouse, WarehouseInventory, InventoryTransaction, WarehouseSupplier
 
 @admin.register(Warehouse)
 class WarehouseAdmin(admin.ModelAdmin):
     list_display = ('id', 'warehouse_name', 'location_x', 'location_y', 'created_at')
 
 @admin.register(WarehouseInventory)
 class WarehouseInventoryAdmin(admin.ModelAdmin):
-    list_display = ('id', 'warehouse', 'product', 'supplier_id', 'quantity', 'last_restocked', 'minimum_stock_level')
+    list_display = ('id', 'warehouse', 'product', 'quantity', 'last_restocked', 'minimum_stock_level')
     list_filter = ('warehouse', 'product')
 
 @admin.register(InventoryTransaction)
 class InventoryTransactionAdmin(admin.ModelAdmin):
     list_display = ('id', 'inventory', 'transaction_type', 'quantity_change', 'created_at', 'created_by')
     list_filter = ('transaction_type', 'created_by')
+
+@admin.register(WarehouseSupplier)
+class WarehouseSupplierAdmin(admin.ModelAdmin):
+    list_display = ('id', 'warehouse', 'supplier_id')
+    list_filter = ('warehouse',)

warehouse_managment/warehouse/migrations/0003_remove_warehouseinventory_supplier_id_and_more.py

@@ -0,0 +1,30 @@
+# Generated by Django 5.2 on 2025-05-08 19:48
+
+import django.db.models.deletion
+from django.db import migrations, models
+
+
+class Migration(migrations.Migration):
+
+    dependencies = [
+        ('warehouse', '0002_warehouse_capacity'),
+    ]
+
+    operations = [
+        migrations.RemoveField(
+            model_name='warehouseinventory',
+            name='supplier_id',
+        ),
+        migrations.CreateModel(
+            name='WarehouseSupplier',
+            fields=[
+                ('id', models.BigAutoField(auto_created=True, primary_key=True, serialize=False, verbose_name='ID')),
+                ('supplier_id', models.IntegerField()),
+                ('warehouse', models.ForeignKey(on_delete=django.db.models.deletion.CASCADE, to='warehouse.warehouse')),
+            ],
+            options={
+                'db_table': 'warehouse_supplier',
+                'unique_together': {('warehouse', 'supplier_id')},
+            },
+        ),
+    ]

warehouse_managment/warehouse/models.py

@@ -1,5 +1,3 @@
-from django.db import models
-
 from django.db import models
 from product.models import Product
 
@@ -16,7 +14,6 @@ class Meta:
 class WarehouseInventory(models.Model):
     warehouse = models.ForeignKey(Warehouse, on_delete=models.CASCADE)
     product = models.ForeignKey(Product, on_delete=models.CASCADE)
-    supplier_id = models.IntegerField()
     quantity = models.DecimalField(max_digits=10, decimal_places=2)
     last_restocked = models.DateTimeField(blank=True, null=True)
     minimum_stock_level = models.DecimalField(max_digits=10, decimal_places=2, blank=True, null=True)
@@ -49,3 +46,11 @@ class InventoryTransaction(models.Model):
     class Meta:
         db_table = 'inventory_transactions'
 
+class WarehouseSupplier(models.Model):
+    warehouse = models.ForeignKey(Warehouse, on_delete=models.CASCADE)
+    supplier_id = models.IntegerField()
+
+    class Meta:
+        db_table = 'warehouse_supplier'
+        unique_together = (('warehouse', 'supplier_id'),)
+

warehouse_managment/warehouse/serializers.py

@@ -1,5 +1,5 @@
 from rest_framework import serializers
-from .models import Warehouse, WarehouseInventory, InventoryTransaction
+from .models import Warehouse, WarehouseInventory, InventoryTransaction, WarehouseSupplier
 
 class WarehouseSerializer(serializers.ModelSerializer):
     class Meta:
@@ -15,3 +15,8 @@ class InventoryTransactionSerializer(serializers.ModelSerializer):
     class Meta:
         model = InventoryTransaction
         fields = '__all__'
+
+class WarehouseSupplierSerializer(serializers.ModelSerializer):
+    class Meta:
+        model = WarehouseSupplier
+        fields = ['id', 'name', 'location']

warehouse_managment/warehouse/urls.py

@@ -7,6 +7,8 @@
     supplier_dashboard,
     get_suppliers_by_category,
     warehouse_inventory_list,
+    order_inventory_summary,
+    handle_order_status,
 )
 
 urlpatterns = [
@@ -34,4 +36,12 @@
 
     # GET suppliers by category
     path('suppliers-by-category', get_suppliers_by_category, name='suppliers-by-category'),
+
+    # GET Product counts and names by orders
+    path('order-inventory-summary/', order_inventory_summary),
+
+    # POST endpoint to accept or reject an order request and update inventory
+    path('order/handle/', handle_order_status, name='handle_order_status'),
 ]
+
+

warehouse_managment/warehouse/utils/flower.py

@@ -0,0 +1,22 @@
+from turtle import *
+import colorsys
+
+speed(10000)            
+bgcolor("black")       
+h = 0                  
+
+for i in range(16):                
+    for j in range(18):           
+        c = colorsys.hsv_to_rgb(h, 1, 1) 
+        color(c)                   
+        h += 0.005                 
+        rt(90)
+        circle(150 - j * 6, 90)    
+        lt(90)
+        circle(150 - j * 6, 90)    
+        rt(180)                   
+        circle(40, 24)             
+    down()
+
+
+# Run separately - DDRMin

warehouse_managment/warehouse/utils/mock_orders.py

@@ -0,0 +1,23 @@
+ORDERS = [
+    {
+        "order_id": "ORD001",
+        "products": [
+            {"product_id": 1, "product_count": 100},
+            {"product_id": 3, "product_count": 50}
+        ]
+    },
+    {
+        "order_id": "ORD002",
+        "products": [
+            {"product_id": 5, "product_count": 200}
+        ]
+    },
+    {
+        "order_id": "ORD003",
+        "products": [
+            {"product_id": 2, "product_count": 150},
+            {"product_id": 1, "product_count": 60},
+            {"product_id": 6, "product_count": 30}
+        ]
+    }
+]

warehouse_managment/warehouse/utils/order_accept_Req.py

@@ -0,0 +1,10 @@
+ORDER_REQUEST = {
+    "warehouse_id": 1,
+    "order_id": "ORD109",
+    "status": "accepted",  # or "rejected"
+    "products": [
+        {"product_name": "Chili Product 1", "product_count": 4460},
+        {"product_name": "Cinnamon Product 2", "product_count": 68},
+        {"product_name": "Chili Product 5", "product_count": 81},
+    ]
+}