pyr0ball
c18bfec8f5
- pyproject.toml: add [tool.ruff] config suppressing E402/W293 globally, F841/E741/E702 in tests, E741 in scripts - inventory.py: split semicolon import (E702) - recipes.py: fix logger -> log (F821 undefined name) - shopping.py: rename l -> lnk in list comprehension (E741) - format_conversion.py: noqa F841 on CUDA flag (used as future hook) - backfill_keywords.py: rename done -> _done (F841) - ingest_purplecarrot.py: drop == True comparison (E712) - Auto-fix: I001 import sorting, F401 unused imports across all files
539 lines
17 KiB
Python
539 lines
17 KiB
Python
"""
|
|
Inventory management service.
|
|
|
|
This service orchestrates:
|
|
- Barcode scanning
|
|
- Product lookups (OpenFoodFacts)
|
|
- Inventory CRUD operations
|
|
- Tag management
|
|
"""
|
|
|
|
import logging
|
|
import uuid
|
|
from datetime import date, datetime, timedelta
|
|
from pathlib import Path
|
|
from typing import Any, Dict, List, Optional
|
|
from uuid import UUID
|
|
|
|
from sqlalchemy import and_, func, select
|
|
from sqlalchemy.ext.asyncio import AsyncSession
|
|
from sqlalchemy.orm import selectinload
|
|
|
|
from app.db.models import InventoryItem, Product, Tag
|
|
from app.models.schemas.inventory import (
|
|
InventoryItemCreate,
|
|
InventoryItemResponse,
|
|
InventoryItemUpdate,
|
|
InventoryStats,
|
|
ProductCreate,
|
|
ProductResponse,
|
|
ProductUpdate,
|
|
TagCreate,
|
|
)
|
|
from app.services.barcode_scanner import BarcodeScanner
|
|
from app.services.expiration_predictor import ExpirationPredictor
|
|
from app.services.openfoodfacts import OpenFoodFactsService
|
|
|
|
logger = logging.getLogger(__name__)
|
|
|
|
|
|
class InventoryService:
|
|
"""Service for managing inventory and products."""
|
|
|
|
def __init__(self):
|
|
self.barcode_scanner = BarcodeScanner()
|
|
self.openfoodfacts = OpenFoodFactsService()
|
|
self.expiration_predictor = ExpirationPredictor()
|
|
|
|
# ========== Barcode Scanning ==========
|
|
|
|
async def scan_barcode_image(
|
|
self,
|
|
image_path: Path,
|
|
db: AsyncSession,
|
|
auto_add: bool = True,
|
|
location: str = "pantry",
|
|
quantity: float = 1.0,
|
|
) -> Dict[str, Any]:
|
|
"""
|
|
Scan an image for barcodes and optionally add to inventory.
|
|
|
|
Args:
|
|
image_path: Path to image file
|
|
db: Database session
|
|
auto_add: Whether to auto-add to inventory
|
|
location: Default storage location
|
|
quantity: Default quantity
|
|
|
|
Returns:
|
|
Dictionary with scan results
|
|
"""
|
|
# Scan for barcodes
|
|
barcodes = self.barcode_scanner.scan_image(image_path)
|
|
|
|
if not barcodes:
|
|
return {
|
|
"success": False,
|
|
"barcodes_found": 0,
|
|
"results": [],
|
|
"message": "No barcodes detected in image",
|
|
}
|
|
|
|
results = []
|
|
for barcode_data in barcodes:
|
|
result = await self._process_barcode(
|
|
barcode_data, db, auto_add, location, quantity
|
|
)
|
|
results.append(result)
|
|
|
|
return {
|
|
"success": True,
|
|
"barcodes_found": len(barcodes),
|
|
"results": results,
|
|
"message": f"Found {len(barcodes)} barcode(s)",
|
|
}
|
|
|
|
async def _process_barcode(
|
|
self,
|
|
barcode_data: Dict[str, Any],
|
|
db: AsyncSession,
|
|
auto_add: bool,
|
|
location: str,
|
|
quantity: float,
|
|
) -> Dict[str, Any]:
|
|
"""Process a single barcode detection."""
|
|
barcode = barcode_data["data"]
|
|
barcode_type = barcode_data["type"]
|
|
|
|
# Check if product already exists
|
|
product = await self.get_product_by_barcode(db, barcode)
|
|
|
|
# If not found, lookup in OpenFoodFacts
|
|
if not product:
|
|
off_data = await self.openfoodfacts.lookup_product(barcode)
|
|
|
|
if off_data:
|
|
# Create product from OpenFoodFacts data
|
|
product_create = ProductCreate(
|
|
barcode=barcode,
|
|
name=off_data["name"],
|
|
brand=off_data.get("brand"),
|
|
category=off_data.get("category"),
|
|
description=off_data.get("description"),
|
|
image_url=off_data.get("image_url"),
|
|
nutrition_data=off_data.get("nutrition_data", {}),
|
|
source="openfoodfacts",
|
|
source_data=off_data.get("raw_data", {}),
|
|
)
|
|
product = await self.create_product(db, product_create)
|
|
source = "openfoodfacts"
|
|
else:
|
|
# Product not found in OpenFoodFacts
|
|
# Create a placeholder product
|
|
product_create = ProductCreate(
|
|
barcode=barcode,
|
|
name=f"Unknown Product ({barcode})",
|
|
source="manual",
|
|
)
|
|
product = await self.create_product(db, product_create)
|
|
source = "manual"
|
|
else:
|
|
source = product.source
|
|
|
|
# Auto-add to inventory if requested
|
|
inventory_item = None
|
|
predicted_expiration = None
|
|
if auto_add:
|
|
# Predict expiration date based on product category and location
|
|
category = self.expiration_predictor.get_category_from_product(
|
|
product.name,
|
|
product.category,
|
|
[tag.name for tag in product.tags] if product.tags else None
|
|
)
|
|
if category:
|
|
predicted_expiration = self.expiration_predictor.predict_expiration(
|
|
category,
|
|
location,
|
|
date.today()
|
|
)
|
|
|
|
item_create = InventoryItemCreate(
|
|
product_id=product.id,
|
|
quantity=quantity,
|
|
location=location,
|
|
purchase_date=date.today(),
|
|
expiration_date=predicted_expiration,
|
|
source="barcode_scan",
|
|
)
|
|
inventory_item = await self.create_inventory_item(db, item_create)
|
|
|
|
return {
|
|
"barcode": barcode,
|
|
"barcode_type": barcode_type,
|
|
"quality": barcode_data["quality"],
|
|
"product": ProductResponse.from_orm(product),
|
|
"inventory_item": (
|
|
InventoryItemResponse.from_orm(inventory_item) if inventory_item else None
|
|
),
|
|
"source": source,
|
|
"predicted_expiration": predicted_expiration.isoformat() if predicted_expiration else None,
|
|
"predicted_category": category if auto_add else None,
|
|
}
|
|
|
|
# ========== Product Management ==========
|
|
|
|
async def create_product(
|
|
self,
|
|
db: AsyncSession,
|
|
product: ProductCreate,
|
|
) -> Product:
|
|
"""Create a new product."""
|
|
# Create product
|
|
db_product = Product(
|
|
id=uuid.uuid4(),
|
|
barcode=product.barcode,
|
|
name=product.name,
|
|
brand=product.brand,
|
|
category=product.category,
|
|
description=product.description,
|
|
image_url=product.image_url,
|
|
nutrition_data=product.nutrition_data,
|
|
source=product.source,
|
|
source_data=product.source_data,
|
|
)
|
|
|
|
db.add(db_product)
|
|
await db.flush()
|
|
|
|
# Add tags if specified
|
|
if product.tag_ids:
|
|
for tag_id in product.tag_ids:
|
|
tag = await db.get(Tag, tag_id)
|
|
if tag:
|
|
db_product.tags.append(tag)
|
|
|
|
await db.commit()
|
|
await db.refresh(db_product, ["tags"])
|
|
|
|
return db_product
|
|
|
|
async def get_product(self, db: AsyncSession, product_id: UUID) -> Optional[Product]:
|
|
"""Get a product by ID."""
|
|
result = await db.execute(
|
|
select(Product).where(Product.id == product_id).options(selectinload(Product.tags))
|
|
)
|
|
return result.scalar_one_or_none()
|
|
|
|
async def get_product_by_barcode(
|
|
self, db: AsyncSession, barcode: str
|
|
) -> Optional[Product]:
|
|
"""Get a product by barcode."""
|
|
result = await db.execute(
|
|
select(Product).where(Product.barcode == barcode).options(selectinload(Product.tags))
|
|
)
|
|
return result.scalar_one_or_none()
|
|
|
|
async def list_products(
|
|
self,
|
|
db: AsyncSession,
|
|
skip: int = 0,
|
|
limit: int = 100,
|
|
category: Optional[str] = None,
|
|
) -> List[Product]:
|
|
"""List products with optional filtering."""
|
|
query = select(Product).options(selectinload(Product.tags))
|
|
|
|
if category:
|
|
query = query.where(Product.category == category)
|
|
|
|
query = query.offset(skip).limit(limit).order_by(Product.name)
|
|
|
|
result = await db.execute(query)
|
|
return list(result.scalars().all())
|
|
|
|
async def update_product(
|
|
self,
|
|
db: AsyncSession,
|
|
product_id: UUID,
|
|
product_update: ProductUpdate,
|
|
) -> Optional[Product]:
|
|
"""Update a product."""
|
|
product = await self.get_product(db, product_id)
|
|
if not product:
|
|
return None
|
|
|
|
# Update fields
|
|
for field, value in product_update.dict(exclude_unset=True).items():
|
|
if field == "tag_ids":
|
|
# Update tags
|
|
product.tags = []
|
|
for tag_id in value:
|
|
tag = await db.get(Tag, tag_id)
|
|
if tag:
|
|
product.tags.append(tag)
|
|
else:
|
|
setattr(product, field, value)
|
|
|
|
product.updated_at = datetime.utcnow()
|
|
await db.commit()
|
|
await db.refresh(product, ["tags"])
|
|
|
|
return product
|
|
|
|
async def delete_product(self, db: AsyncSession, product_id: UUID) -> bool:
|
|
"""Delete a product (will fail if inventory items exist)."""
|
|
product = await self.get_product(db, product_id)
|
|
if not product:
|
|
return False
|
|
|
|
await db.delete(product)
|
|
await db.commit()
|
|
return True
|
|
|
|
# ========== Inventory Item Management ==========
|
|
|
|
async def create_inventory_item(
|
|
self,
|
|
db: AsyncSession,
|
|
item: InventoryItemCreate,
|
|
) -> InventoryItem:
|
|
"""Create a new inventory item."""
|
|
db_item = InventoryItem(
|
|
id=uuid.uuid4(),
|
|
product_id=item.product_id,
|
|
quantity=item.quantity,
|
|
unit=item.unit,
|
|
location=item.location,
|
|
sublocation=item.sublocation,
|
|
purchase_date=item.purchase_date,
|
|
expiration_date=item.expiration_date,
|
|
notes=item.notes,
|
|
source=item.source,
|
|
status="available",
|
|
)
|
|
|
|
db.add(db_item)
|
|
await db.commit()
|
|
await db.refresh(db_item, ["product"])
|
|
|
|
return db_item
|
|
|
|
async def get_inventory_item(
|
|
self, db: AsyncSession, item_id: UUID
|
|
) -> Optional[InventoryItem]:
|
|
"""Get an inventory item by ID."""
|
|
result = await db.execute(
|
|
select(InventoryItem)
|
|
.where(InventoryItem.id == item_id)
|
|
.options(selectinload(InventoryItem.product).selectinload(Product.tags))
|
|
)
|
|
return result.scalar_one_or_none()
|
|
|
|
async def list_inventory_items(
|
|
self,
|
|
db: AsyncSession,
|
|
skip: int = 0,
|
|
limit: int = 100,
|
|
location: Optional[str] = None,
|
|
status: str = "available",
|
|
) -> List[InventoryItem]:
|
|
"""List inventory items with filtering."""
|
|
query = select(InventoryItem).options(
|
|
selectinload(InventoryItem.product).selectinload(Product.tags)
|
|
)
|
|
|
|
query = query.where(InventoryItem.status == status)
|
|
|
|
if location:
|
|
query = query.where(InventoryItem.location == location)
|
|
|
|
query = (
|
|
query.offset(skip)
|
|
.limit(limit)
|
|
.order_by(InventoryItem.expiration_date.asc().nullsfirst())
|
|
)
|
|
|
|
result = await db.execute(query)
|
|
return list(result.scalars().all())
|
|
|
|
async def update_inventory_item(
|
|
self,
|
|
db: AsyncSession,
|
|
item_id: UUID,
|
|
item_update: InventoryItemUpdate,
|
|
) -> Optional[InventoryItem]:
|
|
"""Update an inventory item."""
|
|
item = await self.get_inventory_item(db, item_id)
|
|
if not item:
|
|
return None
|
|
|
|
for field, value in item_update.dict(exclude_unset=True).items():
|
|
setattr(item, field, value)
|
|
|
|
item.updated_at = datetime.utcnow()
|
|
|
|
if item_update.status == "consumed" and not item.consumed_at:
|
|
item.consumed_at = datetime.utcnow()
|
|
|
|
await db.commit()
|
|
await db.refresh(item, ["product"])
|
|
|
|
return item
|
|
|
|
async def delete_inventory_item(self, db: AsyncSession, item_id: UUID) -> bool:
|
|
"""Delete an inventory item."""
|
|
item = await self.get_inventory_item(db, item_id)
|
|
if not item:
|
|
return False
|
|
|
|
await db.delete(item)
|
|
await db.commit()
|
|
return True
|
|
|
|
async def mark_as_consumed(
|
|
self, db: AsyncSession, item_id: UUID
|
|
) -> Optional[InventoryItem]:
|
|
"""Mark an inventory item as consumed."""
|
|
return await self.update_inventory_item(
|
|
db, item_id, InventoryItemUpdate(status="consumed")
|
|
)
|
|
|
|
# ========== Tag Management ==========
|
|
|
|
async def create_tag(self, db: AsyncSession, tag: TagCreate) -> Tag:
|
|
"""Create a new tag."""
|
|
db_tag = Tag(
|
|
id=uuid.uuid4(),
|
|
name=tag.name,
|
|
slug=tag.slug,
|
|
description=tag.description,
|
|
color=tag.color,
|
|
category=tag.category,
|
|
)
|
|
|
|
db.add(db_tag)
|
|
await db.commit()
|
|
await db.refresh(db_tag)
|
|
|
|
return db_tag
|
|
|
|
async def get_tag(self, db: AsyncSession, tag_id: UUID) -> Optional[Tag]:
|
|
"""Get a tag by ID."""
|
|
return await db.get(Tag, tag_id)
|
|
|
|
async def list_tags(
|
|
self, db: AsyncSession, category: Optional[str] = None
|
|
) -> List[Tag]:
|
|
"""List all tags, optionally filtered by category."""
|
|
query = select(Tag).order_by(Tag.name)
|
|
|
|
if category:
|
|
query = query.where(Tag.category == category)
|
|
|
|
result = await db.execute(query)
|
|
return list(result.scalars().all())
|
|
|
|
# ========== Statistics and Analytics ==========
|
|
|
|
async def get_inventory_stats(self, db: AsyncSession) -> InventoryStats:
|
|
"""Get inventory statistics."""
|
|
# Total items (available only)
|
|
total_result = await db.execute(
|
|
select(func.count(InventoryItem.id)).where(InventoryItem.status == "available")
|
|
)
|
|
total_items = total_result.scalar() or 0
|
|
|
|
# Total unique products
|
|
products_result = await db.execute(
|
|
select(func.count(func.distinct(InventoryItem.product_id))).where(
|
|
InventoryItem.status == "available"
|
|
)
|
|
)
|
|
total_products = products_result.scalar() or 0
|
|
|
|
# Items by location
|
|
location_result = await db.execute(
|
|
select(
|
|
InventoryItem.location,
|
|
func.count(InventoryItem.id).label("count"),
|
|
)
|
|
.where(InventoryItem.status == "available")
|
|
.group_by(InventoryItem.location)
|
|
)
|
|
items_by_location = {row[0]: row[1] for row in location_result}
|
|
|
|
# Items by status
|
|
status_result = await db.execute(
|
|
select(InventoryItem.status, func.count(InventoryItem.id).label("count")).group_by(
|
|
InventoryItem.status
|
|
)
|
|
)
|
|
items_by_status = {row[0]: row[1] for row in status_result}
|
|
|
|
# Expiring soon (next 7 days)
|
|
today = date.today()
|
|
week_from_now = today + timedelta(days=7)
|
|
|
|
expiring_result = await db.execute(
|
|
select(func.count(InventoryItem.id)).where(
|
|
and_(
|
|
InventoryItem.status == "available",
|
|
InventoryItem.expiration_date.isnot(None),
|
|
InventoryItem.expiration_date <= week_from_now,
|
|
InventoryItem.expiration_date >= today,
|
|
)
|
|
)
|
|
)
|
|
expiring_soon = expiring_result.scalar() or 0
|
|
|
|
# Expired
|
|
expired_result = await db.execute(
|
|
select(func.count(InventoryItem.id)).where(
|
|
and_(
|
|
InventoryItem.status == "available",
|
|
InventoryItem.expiration_date.isnot(None),
|
|
InventoryItem.expiration_date < today,
|
|
)
|
|
)
|
|
)
|
|
expired = expired_result.scalar() or 0
|
|
|
|
return InventoryStats(
|
|
total_items=total_items,
|
|
total_products=total_products,
|
|
items_by_location=items_by_location,
|
|
items_by_status=items_by_status,
|
|
expiring_soon=expiring_soon,
|
|
expired=expired,
|
|
)
|
|
|
|
async def get_expiring_items(
|
|
self, db: AsyncSession, days: int = 7
|
|
) -> List[Dict[str, Any]]:
|
|
"""Get items expiring within N days."""
|
|
today = date.today()
|
|
cutoff_date = today + timedelta(days=days)
|
|
|
|
result = await db.execute(
|
|
select(InventoryItem)
|
|
.where(
|
|
and_(
|
|
InventoryItem.status == "available",
|
|
InventoryItem.expiration_date.isnot(None),
|
|
InventoryItem.expiration_date <= cutoff_date,
|
|
InventoryItem.expiration_date >= today,
|
|
)
|
|
)
|
|
.options(selectinload(InventoryItem.product).selectinload(Product.tags))
|
|
.order_by(InventoryItem.expiration_date.asc())
|
|
)
|
|
|
|
items = result.scalars().all()
|
|
|
|
return [
|
|
{
|
|
"inventory_item": item,
|
|
"days_until_expiry": (item.expiration_date - today).days,
|
|
}
|
|
for item in items
|
|
]
|