major refactoring adding vendor and customer features

tests/integration/api/v1/test_pagination.py

@@ -193,7 +193,7 @@ class TestPagination:
             vendor = Vendor(
                 vendor_code=f"PAGEVENDOR{i:03d}_{unique_suffix}",
                 vendor_name=f"Pagination Vendor {i}",
-                owner_id=test_user.id,
+                owner_user_id=test_user.id,
                 is_active=True,
             )
             vendors.append(vendor)
@@ -212,33 +212,33 @@ class TestPagination:
         assert data["skip"] == 0
         assert data["limit"] == 5
 
-    def test_stock_pagination_success(self, client, auth_headers, db):
-        """Test pagination for stock listing successfully"""
+    def test_inventory_pagination_success(self, client, auth_headers, db):
+        """Test pagination for inventory listing successfully"""
         import uuid
         unique_suffix = str(uuid.uuid4())[:8]
 
-        # Create multiple stock entries
-        from models.database.stock import Stock
-        stocks = []
+        # Create multiple inventory entries
+        from models.database.inventory import Inventory
+        inventory_entries = []
         for i in range(20):
-            stock = Stock(
+            inventory = Inventory(
                 gtin=f"123456789{i:04d}",
                 location=f"LOC_{unique_suffix}_{i}",
                 quantity=10 + i,
             )
-            stocks.append(stock)
+            inventory_entries.append(inventory)
 
-        db.add_all(stocks)
+        db.add_all(inventory_entries)
         db.commit()
 
         # Test first page
-        response = client.get("/api/v1/stock?limit=8&skip=0", headers=auth_headers)
+        response = client.get("/api/v1/inventory?limit=8&skip=0", headers=auth_headers)
         assert response.status_code == 200
         data = response.json()
         assert len(data) == 8
 
         # Test second page
-        response = client.get("/api/v1/stock?limit=8&skip=8", headers=auth_headers)
+        response = client.get("/api/v1/inventory?limit=8&skip=8", headers=auth_headers)
         assert response.status_code == 200
         data = response.json()
         assert len(data) == 8