Personal Calendar
Source: person
Start Date: 2006/12/18-08:00
Stop Date: 2006/12/18-12:00
Resource: calendar_period_type/holiday R'
quantity: K
Personal Leave Period
K < 0
K in second
Calendar Event are used to defined the unavailability of a Person (holiday, strike, disease, ...).
It defined why the person didn't work as he was supposed to ?
Time availability is catalogued in the stock table.
The quantity is catalogued in second, which is the standard time unit.
Calendar Period's quantity is a negative value.
This Event can be recurring in order to simplify how the user enters his calendar.