If you as a service provider have booked your project times in Redmine, it is obvious to use them for invoicing. Redmine offers various exports for this - e.g. as a CSV file - which can be further processed in a spreadsheet and finally entered in invoice documents. But this manual way has its pitfalls. Errors can creep in at many points - so a particularly careful, time expensive approach is required. These processes should be automated.
A tool for the automatic creation of invoices ready for dispatch was implemented. The billing data is obtained directly from the Redmine database, where they are also partially mapped with user-defined fields. The document creation is done with the help of a self-developed template module for Libreoffice. Thus, a high degree of automation and a modern look are not mutually exclusive.
Invoices are now created fully automatically based on time booked in Redmine.
I will gladly contribute my experience and help you with the implementation.
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