Source code for sandglass.models.timesheet

from django.core.validators import MinValueValidator
from django.contrib.auth.models import User
from django.db import models
from django.utils.translation import ugettext_lazy as _

from django_extensions.db.models import TimeStampedModel
from timedelta.fields import TimedeltaField


class TimeSheet(TimeStampedModel):
    """Regular settlement and savepoint for a user's (employee's) status.

    For future calculations, the last TimeSheet is used as basis.
    Every new user should have an initial TimeSheet.

    """
    user = models.ForeignKey(
        User, verbose_name=_(u"user"))
    name = models.CharField(
        verbose_name=_(u"name"), max_length=255, db_index=True)
    description = models.TextField(
        verbose_name=_(u"description"), blank=True, null=True)
    date_from = models.DateTimeField(
        verbose_name=_(u"daterange start"), blank=True, null=True)
    date_to = models.DateTimeField(
        verbose_name=_(u"daterange end"), blank=True, null=True)
    verified = models.BooleanField(
        verbose_name=_(u"verified"), db_index=True, default=False)
    # pay-out values for flextime and overtime budget
    flextime_payout = TimedeltaField(
        verbose_name=_(u"flextime pay-out"), default=0,
        blank=True, null=True)
    overtime_payout = TimedeltaField(
        verbose_name=_(u"overtime pay-out"), default=0,
        blank=True, null=True)
    # calculation basis for the *next* timesheet
    vacation_budget = models.IntegerField(
        verbose_name=_(u"vacation budget"), default=0)
    flextime_budget = TimedeltaField(
        verbose_name=_(u"flextime budget"), default=0,
        blank=True, null=True)
    overtime_budget = TimedeltaField(
        verbose_name=_(u"overtime budget"), default=0,
        validators=[MinValueValidator(0)])

    class Meta:
        app_label = 'sandglass'


__all__ = ('TimeSheet',)