def total_sellings(self,
year=None,
branch=None,
start_date=None,
end_date=None):
helper = TimeSliceHelper(self.model)
ventes = helper.get_objects(year=year,
branch=branch,
start_date=start_date,
end_date=end_date)
total = sum(v.montant for v in ventes if v.reglement_termine)
return total
def total_costs(self,
year=None,
branch=None,
start_date=None,
end_date=None):
helper = TimeSliceHelper(self.model)
costs = helper.get_objects(year=year,
branch=branch,
start_date=start_date,
end_date=end_date)
total = sum(c.amount for c in costs)
return total
def total_quantity(self,
branch=None,
year=None,
start_date=None,
end_date=None):
helper = TimeSliceHelper(Losses)
losses = helper.get_objects(branch=branch,
year=year,
start_date=start_date,
end_date=end_date)
total = sum(a.losses for a in losses)
return total
def total_costs(self,
branch=None,
year=None,
start_date=None,
end_date=None):
"""Return how much money was lost because broken articles or other cause."""
helper = TimeSliceHelper(Losses)
losses = helper.get_objects(branch=branch,
year=year,
start_date=start_date,
end_date=end_date)
total = sum(a.amount_losses for a in losses)
return total
def total_purchasing_price(self,
branch=None,
year=None,
start_date=None,
end_date=None):
total = 0
helper = TimeSliceHelper(Article)
articles = helper.get_objects(year=year,
branch=branch,
start_date=start_date,
end_date=end_date)
total = sum(a.purchasing_price for a in articles)
return total
def grand_total(self,
branch=None,
year=None,
start_date=None,
end_date=None):
"""Sum of costs + sum of Articles' purchasing price.
"""
helper = TimeSliceHelper(Article)
articles = helper.get_objects(year=year,
branch=branch,
start_date=start_date,
end_date=end_date)
purchasing_price = sum(a.purchasing_price for a in articles)
return purchasing_price + self.total_costs(
branch=branch, year=year, start_date=start_date, end_date=end_date)