def post(self, request, *args, **kwargs):
try:
self.object = self.get_object()
except NotEnrolled:
return redirect('micourses:notenrolled',
course_code=self.course.code)
except NotInstructor:
return redirect('micourses:coursemain',
course_code=self.course.code)
# update attendance, assuming date is valid
date_form = DateForm({'date': request.POST['attendance_date']})
valid_day = False
if date_form.is_valid():
attendance_date = date_form.cleaned_data['date']
# check if date is a class day
for class_day in self.course.attendancedate_set.all():
if attendance_date == class_day.date:
valid_day = True
break
else:
attendance_date = None
if valid_day:
with transaction.atomic(), reversion.create_revision():
for ce in self.course.courseenrollment_set.filter(withdrew=False):
present=request.POST.get('student_%s' % ce.id, ABSENT)
try:
present = int(present)
except ValueError:
present = ABSENT
sa, created = ce.studentattendance_set.get_or_create(
date=attendance_date,
defaults = {'present': present})
# don't override an excused absence with an absence
if not created and \
not (sa.present == EXCUSED and present==ABSENT):
sa.present = present
sa.save()
if not self.course.last_attendance_date \
or attendance_date > self.course.last_attendance_date:
self.course.last_attendance_date = attendance_date
self.course.save()
message = "Attendance updated for %s" % \
attendance_date.strftime("%B %d, %Y")
from django.utils.encoding import escape_uri_path
url = reverse('micourses:update_attendance',
kwargs={'course_code': self.course.code})
url += "?message=%s" % escape_uri_path(message)
return redirect(url)
else:
context = self.get_context_data(object=self.object)
context['message'] = "Attendance not updated. " \
+ "%s is not a valid course day" % \
(request.POST['attendance_date'])
return self.render_to_response(context)
def post(self, request, *args, **kwargs):
try:
self.object = self.get_object()
except NotEnrolled:
return redirect('micourses:notenrolled',
course_code=self.course.code)
except NotInstructor:
return redirect('micourses:coursemain',
course_code=self.course.code)
# possible actions: update, add_excused, delete_excused
action = request.POST.get("action")
self.last_attendance_date = self.course.last_attendance_date
message = ""
if action=="add_excused":
date_form = DateForm({'date': request.POST['attendance_date']})
valid_day = False
if date_form.is_valid():
attendance_date = date_form.cleaned_data['date']
# check if date is a class day
for class_day in self.course.attendancedate_set.all():
if attendance_date == class_day.date:
valid_day = True
break
else:
attendance_date = None
if valid_day:
with transaction.atomic(), reversion.create_revision():
sa, created = self.student_enrollment.studentattendance_set\
.get_or_create(
date=attendance_date, defaults = {'present': EXCUSED})
if not created:
sa.present=EXCUSED
sa.save()
message = "Added excused absence for %s on %s." % \
(self.student, attendance_date.strftime("%B %d, %Y"))
from django.utils.encoding import escape_uri_path
url = reverse('micourses:update_individual_attendance',
kwargs={'course_code': self.course.code})
url += "?student=%s&message=%s" % \
(self.student.id, escape_uri_path(message))
return redirect(url)
else:
message = "Excused absence not added. " \
+ "%s is not a valid course day" % \
(request.POST['attendance_date'])
# get attendance forms with data from database
self.get_forms()
elif action=="delete_excused":
excused_to_delete = request.POST.getlist("excused_date")
n_deleted=0
deleted_date=None
for excused_id in excused_to_delete:
try:
excused=self.student_enrollment.studentattendance_set.get(
id=excused_id, present=EXCUSED)
except ObjectDoesNotExist:
pass
else:
deleted_date = excused.date
with transaction.atomic(), reversion.create_revision():
excused.delete()
n_deleted +=1
if n_deleted == 1:
message = "Deleted 1 excused absence for %s: %s." % \
(self.student, deleted_date.strftime("%B %d, %Y"))
else:
message = "Deleted %s excused absences for %s." % \
(n_deleted, self.student)
from django.utils.encoding import escape_uri_path
url = reverse('micourses:update_individual_attendance',
kwargs={'course_code': self.course.code})
url += "?student=%s&message=%s" % \
(self.student.id, escape_uri_path(message))
return redirect(url)
elif action=="update":
# get attendance forms populated with POST data
self.get_forms(request.POST)
if not self.last_attendance_date:
message = "Last attendance date for course not set. Cannot update attendance."
elif self.attendance_dates_form.is_valid():
with transaction.atomic(), reversion.create_revision():
self.student_enrollment.studentattendance_set\
.filter(date__lte = self.last_attendance_date).delete()
for (date, present) in \
self.attendance_dates_form.date_attendance():
if present:
self.student_enrollment.studentattendance_set\
.create(date=date, present=present)
message = "Updated attendance of %s." % self.student
from django.utils.encoding import escape_uri_path
url = reverse('micourses:update_individual_attendance',
kwargs={'course_code': self.course.code})
url += "?student=%s&message=%s" % \
(self.student.id, escape_uri_path(message))
return redirect(url)
context = self.get_context_data(object=self.object)
context['message'] = message
return self.render_to_response(context)
