def renew_loan(request, item_id):
item = WFItem.get(item_id)
# TODO: get days from config
days = 7
start = item.loan.end
end = get_business_day(start + datetime.timedelta(days=days))
actual_days = (end - start).days
if item.reserves and item.reserves[0].start < end:
return jsonfy(item=item_id, error="Se encuentra reservado")
old_end = item.loan.end
item.loan.end = end
if not item.loan.renew_count:
item.loan.renew_count = 0
item.loan.renew_count += 1
item.save()
CirculationLog(type='renew',
date=old_end,
length=actual_days,
item_id=item_id,
item_type=item.item_type,
loan_type=item.loan.type,
user_id=item.loan.user_id).save()
return jsonfy(item=item_id, status='loan renewed')
def loan(request, what, user_id, item_id, loan_type=None):
"""
Make a loan/reserve
"""
# If date it's a reserve else it's a loan
date = request.GET.get("date", None)
user = User.get(user_id)
if not user:
return jsonfy(error='user not found')
# TODO: get days from config
days = 7
if loan_type == 'room':
days = 1
if date:
date = format_date(date, '%d/%m/%Y')
start = get_business_day(date)
start = get_business_day(datetime.date.today())
end = get_business_day(start + datetime.timedelta(days=days))
actual_days = (end - start).days
requested_item = WFItem.get(item_id)
# TODO: re do everything to use one item
#urn = requested_item.urn
#if not urn:
# return jsonfy(error='invalid urn')
#items = WFItem.view('couchflow/by_urn',
# include_docs=True, startkey=urn, endkey=urn).all()
items = [requested_item]
loanable_items = []
for item in items:
if not item.inventory_nbr:
print "inventory_nbr is None"
continue
# it's a reserve and item have a reserve
# and it only must support 1 reserve per item
if date and item.reserves:
print 'No se puede reservar un item reservado'
continue
# it's a loan and item have a loan
if not date and item.loan.start:
print 'No se puede prestar un item prestado'
continue
# if nave no reserve and no loan it can
# be given to anyone, so empty the list
# and make it the only option
if not item.reserves and not item.loan.start:
loanable_items = [item]
print "ideal, se puede prestar o reservar"
break
# if it's a loan, and item has not a loan and
if (date and not item.reserves):
loanable_items.append(item)
# if it's a loan, and item has not a loan and
# no fit in start and reserve
if (not date and not item.loan.start):
item_days = (item.reserves[0].start, item.reserves[0].end)
new_start, new_end = get_hole([item_days], start, days)
if new_start != start and new_end != end:
loanable_items = [item]
break
# TODO: return json error
# can't loan a item that is loaned
if not loanable_items:
all_dates = []
for item in items:
if item.loan.start and not item.reserves:
all_dates.append(item.loan.end)
elif item.reserves:
all_dates.append(item.reserves[0].end)
if not all_dates:
return jsonfy(item=item_id, error="no se encuentra disponible")
max_date = get_business_day(min(all_dates) + datetime.timedelta(1))
max_date = max_date.strftime("%d/%m/%Y")
error = 'No se pudo encontrar disponibilidad, '\
'se calcula disponibilidad para el "%s"' % max_date
return jsonfy(item=item_id, error=error)
# if its a loan and there is only one
# nothing else needed, dates and item is set
if not date and len(loanable_items):
item = loanable_items[0]
# reserve an just one item
elif date and len(loanable_items) == 1:
item = loanable_items[0]
# if there's a loan get the closest date
if item.loan.start:
item_days = (item.loan.start, item.loan.end)
start, end = get_hole([item_days], start, days)
# else you can make the reserve when asked
else:
print item.loan
print item.reserves
print 'IDEAL!'
# there are more than one posible reserve, get the best
else:
loanable_dates = []
for loanable in loanable_items:
item_days = (loanable.loan.start, loanable.loan.end)
new_start, new_end = get_hole([item_days], start, days)
loanable_dates.append((new_start, new_end, loanable))
loanable_dates.sort(key=lambda i: i[0])
start, end, item = loanable_dates[0]
if not date:
loan = Loan(start=start, end=end, user_id=user_id, type=loan_type)
item.loan = loan
CirculationLog(type='loan',
date=start,
length=actual_days,
item_type=item.item_type,
loan_type=loan_type,
item_id=item._id,
user_id=user_id).save()
else:
reserve = Reserve(start=start, end=end, user_id=user_id)
item.reserves.append(reserve)
item.save()
return jsonfy(item=item._id, status='loaned')
