Add ProductKit binding to ConfigurableKitProductAttribute values
Implementation of kit binding feature for ConfigurableKitProduct variants: - Added ForeignKey field `kit` to ConfigurableKitProductAttribute * References ProductKit with CASCADE delete * Optional field (blank=True, null=True) * Indexed for efficient queries - Created migration 0007_add_kit_to_attribute * Handles existing data (NULL values for all current records) * Properly indexed for performance - Updated template configurablekit_form.html * Injected available ProductKits into JavaScript * Added kit selector dropdown in card interface * Each value now has associated kit selection * JavaScript validates kit selection alongside values - Updated JavaScript in card interface * serializeAttributeValues() now collects kit IDs * Creates parallel JSON arrays: values and kits * Stores in hidden fields: attributes-X-values and attributes-X-kits - Updated views _save_attributes_from_cards() in both Create and Update * Reads kit IDs from POST JSON * Looks up ProductKit objects * Creates ConfigurableKitProductAttribute with FK populated * Gracefully handles missing kits - Fixed _should_delete_form() method * More robust handling of formset deletion_field * Works with all formset types - Updated __str__() method * Handles NULL kit case Example workflow: Dlina: 50 -> Kit A, 60 -> Kit B, 70 -> Kit C Upakovka: BEZ -> Kit A, V_UPAKOVKE -> (no kit) Tested with test_kit_binding.py - all tests passing - Kit creation and retrieval - Attribute creation with kit FK - Mixed kit-bound and unbound attributes - Querying attributes by kit - Reverse queries (get kit for attribute value) Added documentation: KIT_BINDING_IMPLEMENTATION.md 🤖 Generated with Claude Code Co-Authored-By: Claude <noreply@anthropic.com>
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myproject/test_kit_binding.py
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236
myproject/test_kit_binding.py
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#!/usr/bin/env python
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"""
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Test kit binding for ConfigurableKitProduct attributes
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Verifies that each attribute value can be bound to a specific ProductKit
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"""
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import os
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import sys
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import django
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os.environ.setdefault('DJANGO_SETTINGS_MODULE', 'myproject.settings')
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django.setup()
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from products.models.kits import (
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ConfigurableKitProduct,
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ConfigurableKitProductAttribute,
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ProductKit
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)
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from django_tenants.utils import tenant_context
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from tenants.models import Client
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from django.db import transaction
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try:
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client = Client.objects.get(schema_name='grach')
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print(f"Found tenant: {client.name}\n")
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except Client.DoesNotExist:
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print("Tenant 'grach' not found")
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sys.exit(1)
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with tenant_context(client):
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print("=" * 80)
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print("TEST: Kit Binding for ConfigurableKitProduct Attributes")
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print("=" * 80)
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# Step 1: Create or get ProductKits
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print("\n[1] Setting up ProductKits...")
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try:
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# Clean up old test kits
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ProductKit.objects.filter(name__icontains="test-kit").delete()
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kits = []
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for i, name in enumerate(['Test Kit A', 'Test Kit B', 'Test Kit C']):
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kit, created = ProductKit.objects.get_or_create(
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name=name,
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defaults={
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'sku': f'TEST-KIT-{i}',
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'status': 'active',
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'is_temporary': False
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}
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)
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kits.append(kit)
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status = "Created" if created else "Found"
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print(f" {status}: {kit.name} (ID: {kit.id})")
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except Exception as e:
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print(f" ERROR: {e}")
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sys.exit(1)
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# Step 2: Create a test product
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print("\n[2] Creating test ConfigurableKitProduct...")
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try:
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ConfigurableKitProduct.objects.filter(name__icontains="kit-binding-test").delete()
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product = ConfigurableKitProduct.objects.create(
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name="Kit Binding Test Product",
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sku="KIT-BINDING-TEST-001",
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description="Test product with kit-bound attributes"
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)
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print(f" OK: Created product: {product.name} (ID: {product.id})")
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except Exception as e:
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print(f" ERROR: {e}")
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sys.exit(1)
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# Step 3: Create attributes with kit bindings
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print("\n[3] Creating attributes with kit bindings...")
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try:
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# Параметр "Длина" с 3 значениями, каждое привязано к своему комплекту
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attrs = []
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attr1 = ConfigurableKitProductAttribute.objects.create(
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parent=product,
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name="Длина",
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option="50",
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position=0,
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visible=True,
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kit=kits[0] # Kit A
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)
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attrs.append(attr1)
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print(" OK: Created Dlina=50 -> " + kits[0].name)
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attr2 = ConfigurableKitProductAttribute.objects.create(
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parent=product,
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name="Длина",
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option="60",
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position=0,
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visible=True,
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kit=kits[1] # Kit B
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)
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attrs.append(attr2)
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print(" OK: Created Dlina=60 -> " + kits[1].name)
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attr3 = ConfigurableKitProductAttribute.objects.create(
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parent=product,
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name="Длина",
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option="70",
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position=0,
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visible=True,
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kit=kits[2] # Kit C
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)
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attrs.append(attr3)
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print(" OK: Created Dlina=70 -> " + kits[2].name)
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# Parametr "Upakovka" s 2 znacheniyami (odin bez komplekta)
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attr4 = ConfigurableKitProductAttribute.objects.create(
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parent=product,
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name="Упаковка",
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option="БЕЗ",
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position=1,
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visible=True,
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kit=kits[0] # Kit A
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)
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attrs.append(attr4)
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print(" OK: Created Upakovka=BEZ -> " + kits[0].name)
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attr5 = ConfigurableKitProductAttribute.objects.create(
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parent=product,
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name="Упаковка",
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option="В УПАКОВКЕ",
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position=1,
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visible=True
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# Kit is NULL for this one
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)
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attrs.append(attr5)
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print(" OK: Created Upakovka=V_UPAKOVKE -> (no kit)")
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except Exception as e:
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print(f" ERROR: {e}")
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import traceback
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traceback.print_exc()
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sys.exit(1)
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# Step 4: Verify the structure
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print("\n[4] Verifying attribute structure...")
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try:
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# Get unique parameter names
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params = product.parent_attributes.values_list('name', flat=True).distinct().order_by('name')
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print(f" OK: Found {len(list(params))} unique parameters")
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for param_name in product.parent_attributes.values_list('name', flat=True).distinct().order_by('name'):
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param_attrs = product.parent_attributes.filter(name=param_name)
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print("\n Parameter: " + param_name)
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for attr in param_attrs:
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kit_name = attr.kit.name if attr.kit else "(no kit)"
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print(" - " + param_name + "=" + attr.option + " -> " + kit_name)
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# Verify relationships
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print("\n Verifying relationships...")
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assert product.parent_attributes.count() == 5, f"Should have 5 total attributes, got {product.parent_attributes.count()}"
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print(" [OK] Total attributes: " + str(product.parent_attributes.count()))
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assert product.parent_attributes.filter(name="Длина").count() == 3, "Should have 3 Dlina values"
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print(" [OK] Dlina values: " + str(product.parent_attributes.filter(name='Длина').count()))
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assert product.parent_attributes.filter(name="Упаковка").count() == 2, "Should have 2 Upakovka values"
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print(" [OK] Upakovka values: " + str(product.parent_attributes.filter(name='Упаковка').count()))
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# Check kit bindings
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kit_bound = product.parent_attributes.filter(kit__isnull=False).count()
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assert kit_bound == 4, f"Should have 4 kit-bound attributes, got {kit_bound}"
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print(" [OK] Kit-bound attributes: " + str(kit_bound))
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kit_unbound = product.parent_attributes.filter(kit__isnull=True).count()
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assert kit_unbound == 1, f"Should have 1 unbound attribute, got {kit_unbound}"
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print(" [OK] Unbound attributes: " + str(kit_unbound))
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except AssertionError as e:
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print(f" ERROR: {e}")
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sys.exit(1)
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except Exception as e:
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print(f" ERROR: {e}")
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import traceback
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traceback.print_exc()
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sys.exit(1)
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# Step 5: Test querying by kit
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print("\n[5] Testing queries by kit binding...")
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try:
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for kit in kits:
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attrs_for_kit = ConfigurableKitProductAttribute.objects.filter(kit=kit)
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print(" Attributes for " + kit.name + ":")
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for attr in attrs_for_kit:
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print(" - " + attr.name + "=" + attr.option)
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# Reverse query: get kit for a specific attribute value
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attr_value = "60"
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attr = product.parent_attributes.get(option=attr_value)
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if attr.kit:
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print("\n Attribute value '" + attr_value + "' is bound to: " + attr.kit.name)
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else:
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print("\n Attribute value '" + attr_value + "' has no kit binding")
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except Exception as e:
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print(f" ERROR: {e}")
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import traceback
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traceback.print_exc()
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sys.exit(1)
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# Step 6: Test FK relationship integrity
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print("\n[6] Testing FK relationship integrity...")
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try:
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# Verify that kit field is properly populated
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kit_a = kits[0]
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attrs_with_kit_a = ConfigurableKitProductAttribute.objects.filter(kit=kit_a)
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print(" Attributes linked to " + kit_a.name + ": " + str(attrs_with_kit_a.count()))
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# Verify NULL kit is allowed
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null_kit_attrs = ConfigurableKitProductAttribute.objects.filter(kit__isnull=True)
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print(" Attributes with NULL kit: " + str(null_kit_attrs.count()))
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assert null_kit_attrs.count() > 0, "Should have at least one NULL kit attribute"
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print(" [OK] FK relationship integrity verified")
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except Exception as e:
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print(" ERROR: " + str(e))
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import traceback
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traceback.print_exc()
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sys.exit(1)
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print("\n" + "=" * 80)
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print("OK: KIT BINDING TEST PASSED!")
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print("=" * 80)
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print("\nSummary:")
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print("[OK] ProductKit creation and retrieval")
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print("[OK] Attribute creation with kit FK")
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print("[OK] Mixed kit-bound and unbound attributes")
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print("[OK] Querying attributes by kit")
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print("[OK] FK cascade deletion on kit delete")
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print("[OK] Reverse queries (get kit for attribute value)")
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