Invoice entity¶

An invoice is a list of stock items that a customer should pay for.
An invoice is expressed in a currency.
An invoice is related to a project.
An invoice is related to a company.

An invoice is subdivided in Master and Details.

Master¶

• Invoice date
• Invoice status
• Customer
• Delivery address
• Invoicing address
• Currency
• Project
• Total amount

Detail¶

The detail of an invoice is a list of groups containing stock items, operations, comments or sub-totals.

Each group has a label and a total amount. It can be specified as Visible or not. Its detail can also be specified as Visible or not. If a group is not visible it will never appear on printouts. If its detail is visible but not its detail, only the label and total amount will appear on printouts.

There a two kinds of groups :

• groups for items, containing stock items, operations, comments
• groups for sub-totals

Groups for items¶

Items groups contain a list of :

• stock items
• operations
• comments

stock items appear in the list with a quantity, a price, a Unit. If a stock item as stock item’s operations, they will be reckoned in the total of the item.

Operations are ways to reckon values based on

• a fix value
• a % of a previously defined group

finish

Groups for sub-totals¶

Sub-total groups regroups previously created group for which the total will be summed.

Standard features¶

• Numbering
  • to each invoice is assigned a unique number
  • this number can be generated, optionnaly using the year or month in it
  • the number can be used to find the invoice
• Generated from a template
• Translatable

Using entities¶

• customer
• address
• company : defines the visibility of the customer