feat: add admin inventory management (Phase 1)

- Add admin API endpoints for inventory management
- Add inventory page with vendor selector and filtering
- Add admin schemas for cross-vendor inventory operations
- Support digital products with unlimited inventory
- Add integration tests for admin inventory API
- Add inventory management guide documentation

Mirrors vendor inventory functionality with admin-level access.

🤖 Generated with [Claude Code](https://claude.com/claude-code)

Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com>
This commit is contained in:
2025-12-18 21:05:12 +01:00
parent 0ab10128ae
commit 8d8d41808b
12 changed files with 2880 additions and 3 deletions

View File

@@ -2,6 +2,7 @@
import logging
from datetime import UTC, datetime
from sqlalchemy import func
from sqlalchemy.orm import Session
from app.exceptions import (
@@ -11,10 +12,19 @@ from app.exceptions import (
InventoryValidationException,
ProductNotFoundException,
ValidationException,
VendorNotFoundException,
)
from models.database.inventory import Inventory
from models.database.product import Product
from models.database.vendor import Vendor
from models.schema.inventory import (
AdminInventoryItem,
AdminInventoryListResponse,
AdminInventoryLocationsResponse,
AdminInventoryStats,
AdminLowStockItem,
AdminVendorsWithInventoryResponse,
AdminVendorWithInventory,
InventoryAdjust,
InventoryCreate,
InventoryLocationResponse,
@@ -547,7 +557,325 @@ class InventoryService:
logger.error(f"Error deleting inventory: {str(e)}")
raise ValidationException("Failed to delete inventory")
# =========================================================================
# Admin Methods (cross-vendor operations)
# =========================================================================
def get_all_inventory_admin(
self,
db: Session,
skip: int = 0,
limit: int = 50,
vendor_id: int | None = None,
location: str | None = None,
low_stock: int | None = None,
search: str | None = None,
) -> AdminInventoryListResponse:
"""
Get inventory across all vendors with filtering (admin only).
Args:
db: Database session
skip: Pagination offset
limit: Pagination limit
vendor_id: Filter by vendor
location: Filter by location
low_stock: Filter items below threshold
search: Search by product title or SKU
Returns:
AdminInventoryListResponse
"""
query = db.query(Inventory).join(Product).join(Vendor)
# Apply filters
if vendor_id is not None:
query = query.filter(Inventory.vendor_id == vendor_id)
if location:
query = query.filter(Inventory.location.ilike(f"%{location}%"))
if low_stock is not None:
query = query.filter(Inventory.quantity <= low_stock)
if search:
from models.database.marketplace_product import MarketplaceProduct
from models.database.marketplace_product_translation import (
MarketplaceProductTranslation,
)
query = (
query.join(MarketplaceProduct)
.outerjoin(MarketplaceProductTranslation)
.filter(
(MarketplaceProductTranslation.title.ilike(f"%{search}%"))
| (Product.vendor_sku.ilike(f"%{search}%"))
)
)
# Get total count before pagination
total = query.count()
# Apply pagination
inventories = query.offset(skip).limit(limit).all()
# Build response with vendor/product info
items = []
for inv in inventories:
product = inv.product
vendor = inv.vendor
title = None
if product and product.marketplace_product:
title = product.marketplace_product.get_title()
items.append(
AdminInventoryItem(
id=inv.id,
product_id=inv.product_id,
vendor_id=inv.vendor_id,
vendor_name=vendor.name if vendor else None,
vendor_code=vendor.vendor_code if vendor else None,
product_title=title,
product_sku=product.vendor_sku if product else None,
location=inv.location,
quantity=inv.quantity,
reserved_quantity=inv.reserved_quantity,
available_quantity=inv.available_quantity,
gtin=inv.gtin,
created_at=inv.created_at,
updated_at=inv.updated_at,
)
)
return AdminInventoryListResponse(
inventories=items,
total=total,
skip=skip,
limit=limit,
vendor_filter=vendor_id,
location_filter=location,
)
def get_inventory_stats_admin(self, db: Session) -> AdminInventoryStats:
"""Get platform-wide inventory statistics (admin only)."""
# Total entries
total_entries = db.query(func.count(Inventory.id)).scalar() or 0
# Aggregate quantities
totals = db.query(
func.sum(Inventory.quantity).label("total_qty"),
func.sum(Inventory.reserved_quantity).label("total_reserved"),
).first()
total_quantity = totals.total_qty or 0
total_reserved = totals.total_reserved or 0
total_available = total_quantity - total_reserved
# Low stock count (default threshold: 10)
low_stock_count = (
db.query(func.count(Inventory.id))
.filter(Inventory.quantity <= 10)
.scalar()
or 0
)
# Vendors with inventory
vendors_with_inventory = (
db.query(func.count(func.distinct(Inventory.vendor_id))).scalar() or 0
)
# Unique locations
unique_locations = (
db.query(func.count(func.distinct(Inventory.location))).scalar() or 0
)
return AdminInventoryStats(
total_entries=total_entries,
total_quantity=total_quantity,
total_reserved=total_reserved,
total_available=total_available,
low_stock_count=low_stock_count,
vendors_with_inventory=vendors_with_inventory,
unique_locations=unique_locations,
)
def get_low_stock_items_admin(
self,
db: Session,
threshold: int = 10,
vendor_id: int | None = None,
limit: int = 50,
) -> list[AdminLowStockItem]:
"""Get items with low stock levels (admin only)."""
query = (
db.query(Inventory)
.join(Product)
.join(Vendor)
.filter(Inventory.quantity <= threshold)
)
if vendor_id is not None:
query = query.filter(Inventory.vendor_id == vendor_id)
# Order by quantity ascending (most critical first)
query = query.order_by(Inventory.quantity.asc())
inventories = query.limit(limit).all()
items = []
for inv in inventories:
product = inv.product
vendor = inv.vendor
title = None
if product and product.marketplace_product:
title = product.marketplace_product.get_title()
items.append(
AdminLowStockItem(
id=inv.id,
product_id=inv.product_id,
vendor_id=inv.vendor_id,
vendor_name=vendor.name if vendor else None,
product_title=title,
location=inv.location,
quantity=inv.quantity,
reserved_quantity=inv.reserved_quantity,
available_quantity=inv.available_quantity,
)
)
return items
def get_vendors_with_inventory_admin(
self, db: Session
) -> AdminVendorsWithInventoryResponse:
"""Get list of vendors that have inventory entries (admin only)."""
vendors = (
db.query(Vendor).join(Inventory).distinct().order_by(Vendor.name).all()
)
return AdminVendorsWithInventoryResponse(
vendors=[
AdminVendorWithInventory(
id=v.id, name=v.name, vendor_code=v.vendor_code
)
for v in vendors
]
)
def get_inventory_locations_admin(
self, db: Session, vendor_id: int | None = None
) -> AdminInventoryLocationsResponse:
"""Get list of unique inventory locations (admin only)."""
query = db.query(func.distinct(Inventory.location))
if vendor_id is not None:
query = query.filter(Inventory.vendor_id == vendor_id)
locations = [loc[0] for loc in query.all()]
return AdminInventoryLocationsResponse(locations=sorted(locations))
def get_vendor_inventory_admin(
self,
db: Session,
vendor_id: int,
skip: int = 0,
limit: int = 50,
location: str | None = None,
low_stock: int | None = None,
) -> AdminInventoryListResponse:
"""Get inventory for a specific vendor (admin only)."""
# Verify vendor exists
vendor = db.query(Vendor).filter(Vendor.id == vendor_id).first()
if not vendor:
raise VendorNotFoundException(f"Vendor {vendor_id} not found")
# Use the existing method
inventories = self.get_vendor_inventory(
db=db,
vendor_id=vendor_id,
skip=skip,
limit=limit,
location=location,
low_stock_threshold=low_stock,
)
# Build response with product info
items = []
for inv in inventories:
product = inv.product
title = None
if product and product.marketplace_product:
title = product.marketplace_product.get_title()
items.append(
AdminInventoryItem(
id=inv.id,
product_id=inv.product_id,
vendor_id=inv.vendor_id,
vendor_name=vendor.name,
vendor_code=vendor.vendor_code,
product_title=title,
product_sku=product.vendor_sku if product else None,
location=inv.location,
quantity=inv.quantity,
reserved_quantity=inv.reserved_quantity,
available_quantity=inv.available_quantity,
gtin=inv.gtin,
created_at=inv.created_at,
updated_at=inv.updated_at,
)
)
# Get total count for pagination
total_query = db.query(func.count(Inventory.id)).filter(
Inventory.vendor_id == vendor_id
)
if location:
total_query = total_query.filter(Inventory.location.ilike(f"%{location}%"))
if low_stock is not None:
total_query = total_query.filter(Inventory.quantity <= low_stock)
total = total_query.scalar() or 0
return AdminInventoryListResponse(
inventories=items,
total=total,
skip=skip,
limit=limit,
vendor_filter=vendor_id,
location_filter=location,
)
def get_product_inventory_admin(
self, db: Session, product_id: int
) -> ProductInventorySummary:
"""Get inventory summary for a product (admin only - no vendor check)."""
product = db.query(Product).filter(Product.id == product_id).first()
if not product:
raise ProductNotFoundException(f"Product {product_id} not found")
# Use existing method with the product's vendor_id
return self.get_product_inventory(db, product.vendor_id, product_id)
def verify_vendor_exists(self, db: Session, vendor_id: int) -> Vendor:
"""Verify vendor exists and return it."""
vendor = db.query(Vendor).filter(Vendor.id == vendor_id).first()
if not vendor:
raise VendorNotFoundException(f"Vendor {vendor_id} not found")
return vendor
def get_inventory_by_id_admin(self, db: Session, inventory_id: int) -> Inventory:
"""Get inventory by ID (admin only - returns inventory with vendor_id)."""
inventory = db.query(Inventory).filter(Inventory.id == inventory_id).first()
if not inventory:
raise InventoryNotFoundException(f"Inventory {inventory_id} not found")
return inventory
# =========================================================================
# Private helper methods
# =========================================================================
def _get_vendor_product(
self, db: Session, vendor_id: int, product_id: int
) -> Product: