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 created from a template.

An invoice is subdivided in Master and Details.

Master

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 different kinds of lines

A stock item line is a relation with a stock item, a Unit, a quantity and a price. Each line has a value. In simple case, the value of the line is the price multiplied by the quantity. If then stock item has stock item’s operations, they will be reckoned in the line.

examples

As for a stock item line, an operation line has a value that can be
  • a fix value
  • a % of a previously defined group

examples

Comments are just lines of text. They have no value.

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

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