The Billig shipping script, named 'Export_Billig' in the Airtox File, is for sending shipping orders to Billig (BA) for processing. It runs as a MW script and uses CURL to send shipping orders over tcp/http. It is triggered by selecting Sales Invoices and pressing the “Export Billig” button.

• MW Transaction Export: Extracts transactions from Moneyworks, builds UBL XML documents using JSON templates, and exports them to Edimondo.
• MW Transaction Reprocessing: Supports reprocessing of transactions based on status and colour flags.
• Edimondo Status Checking: Checks the delivery status of sent documents and updates MW/DB accordingly.
• Order Import: Retrieves orders from Edimondo, parses UBL XML, and imports them into MW.
• Configurable: Uses TOML configuration files for server, business, and email settings.
• Logging: Logs operations and errors to rotating log files.
• Utilities: Provides date/time formatting, file writing, and folder setup functions.

• mw_to_ubl.rs: MW → UBL/Edimondo export logic.
• ubl_to_mw.rs: Edimondo → MW import logic.
• mw.rs: MW API communication.
• edimondo.rs: Edimondo API communication.
• invoice.rs, order.rs: UBL document construction and parsing.
• export.rs, operations.rs: MW transaction and detail handling.
• db.rs: Database operations for exports/imports.
• config.rs: Configuration management.
• utilities.rs: Utility functions.

main.rs calls `start_server` which runs the main service loop.