New alert system and panel de control page
This commit is contained in:
Urtzi Alfaro
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"""
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Inventory Notification Service
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Emits informational notifications for inventory state changes:
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- stock_received: When deliveries arrive
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- stock_movement: Transfers, adjustments
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- stock_updated: General stock updates
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These are NOTIFICATIONS (not alerts) - informational state changes that don't require user action.
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"""
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import logging
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from datetime import datetime, timezone
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from typing import Optional, Dict, Any
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from sqlalchemy.orm import Session
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from shared.schemas.event_classification import RawEvent, EventClass, EventDomain
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from shared.alerts.base_service import BaseAlertService
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logger = logging.getLogger(__name__)
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class InventoryNotificationService(BaseAlertService):
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"""
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Service for emitting inventory notifications (informational state changes).
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"""
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def __init__(self, rabbitmq_url: str = None):
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super().__init__(service_name="inventory", rabbitmq_url=rabbitmq_url)
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async def emit_stock_received_notification(
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self,
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db: Session,
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tenant_id: str,
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stock_receipt_id: str,
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ingredient_id: str,
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ingredient_name: str,
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quantity_received: float,
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unit: str,
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supplier_name: Optional[str] = None,
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delivery_id: Optional[str] = None,
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) -> None:
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"""
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Emit notification when stock is received.
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Args:
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db: Database session
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tenant_id: Tenant ID
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stock_receipt_id: Stock receipt ID
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ingredient_id: Ingredient ID
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ingredient_name: Ingredient name
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quantity_received: Quantity received
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unit: Unit of measurement
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supplier_name: Supplier name (optional)
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delivery_id: Delivery ID (optional)
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"""
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try:
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# Create notification event
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event = RawEvent(
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tenant_id=tenant_id,
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event_class=EventClass.NOTIFICATION,
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event_domain=EventDomain.INVENTORY,
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event_type="stock_received",
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title=f"Stock Received: {ingredient_name}",
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message=f"Received {quantity_received} {unit} of {ingredient_name}"
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+ (f" from {supplier_name}" if supplier_name else ""),
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service="inventory",
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event_metadata={
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"stock_receipt_id": stock_receipt_id,
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"ingredient_id": ingredient_id,
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"ingredient_name": ingredient_name,
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"quantity_received": quantity_received,
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"unit": unit,
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"supplier_name": supplier_name,
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"delivery_id": delivery_id,
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"received_at": datetime.now(timezone.utc).isoformat(),
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},
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timestamp=datetime.now(timezone.utc),
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)
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# Publish to RabbitMQ for processing
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await self.publish_item(tenant_id, event.dict(), item_type="notification")
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logger.info(
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f"Stock received notification emitted: {ingredient_name} ({quantity_received} {unit})",
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extra={"tenant_id": tenant_id, "ingredient_id": ingredient_id}
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)
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except Exception as e:
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logger.error(
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f"Failed to emit stock received notification: {e}",
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extra={"tenant_id": tenant_id, "ingredient_id": ingredient_id},
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exc_info=True,
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)
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async def emit_stock_movement_notification(
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self,
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db: Session,
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tenant_id: str,
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movement_id: str,
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ingredient_id: str,
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ingredient_name: str,
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quantity: float,
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unit: str,
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movement_type: str, # 'transfer', 'adjustment', 'waste', 'return'
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from_location: Optional[str] = None,
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to_location: Optional[str] = None,
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reason: Optional[str] = None,
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) -> None:
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"""
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Emit notification for stock movements (transfers, adjustments, waste).
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Args:
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db: Database session
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tenant_id: Tenant ID
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movement_id: Movement ID
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ingredient_id: Ingredient ID
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ingredient_name: Ingredient name
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quantity: Quantity moved
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unit: Unit of measurement
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movement_type: Type of movement
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from_location: Source location (optional)
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to_location: Destination location (optional)
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reason: Reason for movement (optional)
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"""
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try:
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# Build message based on movement type
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if movement_type == "transfer":
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message = f"Transferred {quantity} {unit} of {ingredient_name}"
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if from_location and to_location:
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message += f" from {from_location} to {to_location}"
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elif movement_type == "adjustment":
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message = f"Adjusted {ingredient_name} by {quantity} {unit}"
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if reason:
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message += f" - {reason}"
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elif movement_type == "waste":
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message = f"Waste recorded: {quantity} {unit} of {ingredient_name}"
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if reason:
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message += f" - {reason}"
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elif movement_type == "return":
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message = f"Returned {quantity} {unit} of {ingredient_name}"
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else:
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message = f"Stock movement: {quantity} {unit} of {ingredient_name}"
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# Create notification event
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event = RawEvent(
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tenant_id=tenant_id,
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event_class=EventClass.NOTIFICATION,
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event_domain=EventDomain.INVENTORY,
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event_type="stock_movement",
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title=f"Stock {movement_type.title()}: {ingredient_name}",
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message=message,
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service="inventory",
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event_metadata={
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"movement_id": movement_id,
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"ingredient_id": ingredient_id,
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"ingredient_name": ingredient_name,
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"quantity": quantity,
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"unit": unit,
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"movement_type": movement_type,
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"from_location": from_location,
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"to_location": to_location,
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"reason": reason,
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"moved_at": datetime.now(timezone.utc).isoformat(),
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},
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timestamp=datetime.now(timezone.utc),
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)
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# Publish to RabbitMQ
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await self.publish_item(tenant_id, event.dict(), item_type="notification")
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logger.info(
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f"Stock movement notification emitted: {movement_type} - {ingredient_name}",
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extra={"tenant_id": tenant_id, "movement_id": movement_id}
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)
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except Exception as e:
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logger.error(
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f"Failed to emit stock movement notification: {e}",
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extra={"tenant_id": tenant_id, "movement_id": movement_id},
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exc_info=True,
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)
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async def emit_stock_updated_notification(
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self,
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db: Session,
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tenant_id: str,
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ingredient_id: str,
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ingredient_name: str,
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old_quantity: float,
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new_quantity: float,
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unit: str,
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update_reason: str,
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) -> None:
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"""
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Emit notification when stock is updated.
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Args:
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db: Database session
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tenant_id: Tenant ID
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ingredient_id: Ingredient ID
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ingredient_name: Ingredient name
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old_quantity: Previous quantity
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new_quantity: New quantity
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unit: Unit of measurement
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update_reason: Reason for update
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"""
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try:
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quantity_change = new_quantity - old_quantity
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change_direction = "increased" if quantity_change > 0 else "decreased"
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event = RawEvent(
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tenant_id=tenant_id,
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event_class=EventClass.NOTIFICATION,
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event_domain=EventDomain.INVENTORY,
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event_type="stock_updated",
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title=f"Stock Updated: {ingredient_name}",
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message=f"Stock {change_direction} by {abs(quantity_change)} {unit} - {update_reason}",
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service="inventory",
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event_metadata={
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"ingredient_id": ingredient_id,
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"ingredient_name": ingredient_name,
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"old_quantity": old_quantity,
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"new_quantity": new_quantity,
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"quantity_change": quantity_change,
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"unit": unit,
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"update_reason": update_reason,
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"updated_at": datetime.now(timezone.utc).isoformat(),
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},
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timestamp=datetime.now(timezone.utc),
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)
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await self.publish_item(tenant_id, event.dict(), item_type="notification")
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logger.info(
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f"Stock updated notification emitted: {ingredient_name}",
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extra={"tenant_id": tenant_id, "ingredient_id": ingredient_id}
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)
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except Exception as e:
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logger.error(
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f"Failed to emit stock updated notification: {e}",
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extra={"tenant_id": tenant_id, "ingredient_id": ingredient_id},
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exc_info=True,
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)
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