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Certificates: Add username flag #1248

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Certificates: Add username flag #1248

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39 changes: 30 additions & 9 deletions lms/djangoapps/certificates/management/commands/ungenerated_certs.py
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Original file line number Diff line number Diff line change
Expand Up @@ -14,12 +14,13 @@
class Command(BaseCommand):

help = """
Find all students that need certificates
for courses that have finished and
put their cert requests on the queue
Find all students that need certificates for courses that have finished and
put their cert requests on the queue.

Use the --noop option to test without actually
putting certificates on the queue to be generated.
If --user is given, only grade and certify the requested username.

Use the --noop option to test without actually putting certificates on the
queue to be generated.
"""

option_list = BaseCommand.option_list + (
Expand All @@ -42,6 +43,11 @@ class Command(BaseCommand):
'whose entry in the certificate table matches STATUS. '
'STATUS can be generating, unavailable, deleted, error '
'or notpassing.'),
make_option('-u', '--user',
metavar='USERNAME',
dest='username',
default=False,
help='Will generate new certificates for only one user.'),
)

def handle(self, *args, **options):
Expand Down Expand Up @@ -72,14 +78,29 @@ def handle(self, *args, **options):
if course.has_ended():
ended_courses.append(course_id)

single_student = None
if options['username']:
user_str = options['username']
if '@' in user_str:
single_student = User.objects.get(email=user_str)
else:
single_student = User.objects.get(username=user_str)

for course_id in ended_courses:
# prefetch all chapters/sequentials by saying depth=2
course = modulestore().get_instance(course_id, CourseDescriptor.id_to_location(course_id), depth=2)

print "Fetching enrolled students for {0}".format(course_id)
enrolled_students = User.objects.filter(
courseenrollment__course_id=course_id).prefetch_related(
"groups").order_by('username')
if single_student:
print "Fetching enrollment for student {0} in {1}".format(single_student.username, course_id)
enrolled_students = User.objects.filter(
courseenrollment__course_id=course_id,
id=single_student.id).prefetch_related("groups")
else:
print "Fetching enrolled students for {0}".format(course_id)
enrolled_students = User.objects.filter(
courseenrollment__course_id=course_id).prefetch_related(
"groups").order_by('username')

xq = XQueueCertInterface()
total = enrolled_students.count()
count = 0
Expand Down