def responsible_user_changed(subject, old_user, new_user):
"""Send a notification when a responsible user changes."""
msg = 'Responsible user of %s changed from %s to %s' % \
(subject, old_user.username, new_user.username)
create_notification('responsible_user_change',
msg,
subject,
users=[old_user, new_user])
def check_water_administration(subject, date=None):
date = date or timezone.now()
wc = subject.reinit_water_control()
remaining = wc.remaining_water(date=date)
wa = wc.last_water_administration_at(date=date)
if not wa:
return
delay = date - wa[0]
# Notification if water needs to be given more than 23h after the last
# water administration.
if remaining > 0 and delay.total_seconds() > 23 * 3600:
msg = "%.1f mL remaining for %s" % (remaining, subject)
create_notification('mouse_water', msg, subject)
def check_weighing(subject, date=None):
"""Called when a weighing is added."""
# Reinit the water_control instance to make sure the just-added
# weighing is taken into account
wc = subject.reinit_water_control()
perc = wc.percentage_weight(date=date)
min_perc = wc.min_percentage(date=date)
lwb = wc.last_weighing_before(date=date)
datetime = lwb[0] if lwb else None
if 0 < perc <= min_perc + 2:
header = 'WARNING' if perc <= min_perc else 'Warning'
msg = "%s: %s weight was %.1f%% on %s" % (header, subject, perc,
datetime)
create_notification('mouse_underweight', msg, subject)
def _assert_users(users, expected):
n = create_notification(nt,
'',
subject=self.subject,
users=users,
force=True)
self.assertEqual(list(n.users.all()), expected)
def check_water_administration(subject, date=None):
date = date or timezone.now()
wc = subject.reinit_water_control()
remaining = wc.remaining_water(date=date)
wa = wc.last_water_administration_at(date=date)
if not wa:
return
delay = date - wa[0]
# Notification if water needs to be given more than 23h after the last
# water administration.
if remaining > 0 and delay.total_seconds() >= 23 * 3600 - 10:
msg = "%.1f mL remaining for %s" % (remaining, subject)
details = dedent('''
Mouse: %s
User: %s
Date: %s
Last water administration: %s, %.2f mL
Remaining water: %.1f mL
Delay: %.1f hours
''' % (subject.nickname, subject.responsible_user.username,
date.strftime('%Y-%m-%d %H:%M:%S'),
wa[0].strftime('%Y-%m-%d %H:%M:%S'), wa[1], remaining,
(delay.total_seconds() / 3600)))
create_notification('mouse_water', msg, subject, details=details)