Initial commit: Django inventory system

myproject/test_category_tree.py

@@ -0,0 +1,70 @@
+"""
+Test script to create category hierarchy for testing the tree view
+"""
+import os
+import django
+
+os.environ.setdefault('DJANGO_SETTINGS_MODULE', 'myproject.settings')
+django.setup()
+
+from products.models import ProductCategory
+
+print("Creating test category hierarchy...")
+print("="*60)
+
+# Get existing categories
+existing = list(ProductCategory.objects.all()[:3])
+
+if len(existing) >= 3:
+    cat1, cat2, cat3 = existing[0], existing[1], existing[2]
+
+    # Make sure they are root categories first
+    cat1.parent = None
+    cat2.parent = None
+    cat3.parent = None
+    cat1.save()
+    cat2.save()
+    cat3.save()
+
+    print(f"Root categories:")
+    print(f"  1. {cat1.name} (id={cat1.pk})")
+    print(f"  2. {cat2.name} (id={cat2.pk})")
+    print(f"  3. {cat3.name} (id={cat3.pk})")
+
+    # Create child for cat2 (if doesn't exist)
+    child1, created = ProductCategory.objects.get_or_create(
+        name="Test Child 1",
+        defaults={'parent': cat2, 'is_active': True}
+    )
+    if not created:
+        child1.parent = cat2
+        child1.save()
+
+    print(f"\nChild category:")
+    print(f"  - {child1.name} (id={child1.pk}, parent={cat2.name})")
+
+    # Create grandchild for child1 (if doesn't exist)
+    grandchild1, created = ProductCategory.objects.get_or_create(
+        name="Test Grandchild 1",
+        defaults={'parent': child1, 'is_active': True}
+    )
+    if not created:
+        grandchild1.parent = child1
+        grandchild1.save()
+
+    print(f"\nGrandchild category:")
+    print(f"  - {grandchild1.name} (id={grandchild1.pk}, parent={child1.name})")
+
+    print("\n" + "="*60)
+    print("Hierarchy created successfully!")
+    print("\nExpected tree structure:")
+    print(f"{cat1.name}")
+    print(f"{cat2.name}")
+    print(f"  {child1.name}")
+    print(f"    {grandchild1.name}")
+    print(f"{cat3.name}")
+    print("\nVisit http://127.0.0.1:8000/products/categories/ to see the tree view")
+
+else:
+    print("Not enough categories to create hierarchy")
+    print("Please create at least 3 categories first")