CheckExpirationDates is a background job that checks all materials if they are expired and informs the admin about it.

SpawnNotificationSingletonSvc returns an INotificationService object that can be used to send notifications.

GetOrdersParameters is the struct to hold the parameters for the GetOrders method.

Log represents the logging service in the core module.

MaterialService provides methods to manage and manipulate materials.

MelodyWebsocket is a struct that implements the INotificationService interface.

OrderService is the service to interact with the orders collection in the database.

RecipeService provides methods to manage recipes, including logging and configuration.

SalesService contains the configuration and logger for the sales service.

INotificationService is an interface for sending notifications to connected clients.