def update_assignment_question_list(req):
post_data = json.loads(req.body)
try:
question_id = post_data["question_id"]
assignment_identifier = post_data["assignment_identifier"]
except KeyError:
return response_400(req, msg=_("There are missing parameters."))
try:
assignment = Assignment.objects.get(identifier=assignment_identifier)
except Assignment.DoesNotExist:
return response_400(req, msg=_("Some parameters are wrong."))
# Check object permissions (to be refactored using mixin)
if req.user in assignment.owner.all() or req.user.is_staff:
# Check for student answers
if assignment.answer_set.exclude(user_token__exact="").count() > 0:
raise PermissionDenied
else:
raise PermissionDenied
try:
question = Question.objects.get(id=question_id)
except Question.DoesNotExist:
return response_400(req, msg=_("Some parameters are wrong."))
if question in assignment.questions.all():
assignment.questions.remove(question)
else:
assignment.questions.add(question)
assignment.save()
return HttpResponse("Success")
def get_json_params(
req: HttpRequest,
args: Optional[List[str]] = None,
opt_args: Optional[List[str]] = None,
) -> Union[Tuple[List[Any], List[Any]], HttpResponse]:
if args is None:
args = []
if opt_args is None:
opt_args = []
try:
data = json.loads(req.body)
except ValueError:
return response_400(
req,
msg=_("Wrong data type was sent."),
logger_msg=("The sent data wasn't in a valid JSON format."),
log=logger.warning,
)
try:
args = [data[arg] for arg in args]
opt_args = [data.get(arg) for arg in opt_args]
except KeyError as e:
return response_400(
req,
msg=_("There are missing parameters."),
logger_msg=("The arguments {} were missing.".format(", ".join(
e.args))),
log=logger.warning,
)
return args, opt_args
def send_student_assignment(req, assignment_hash, teacher, group, assignment):
try:
data = json.loads(req.body)
except ValueError:
return response_400(req, msg=_("Wrong data type was sent."))
try:
email = data["email"]
except KeyError:
return response_400(req, msg=_("There are missing parameters."))
try:
student = Student.objects.get(student__email=email)
except Student.DoesNotExist:
return response_400(
req, msg=_('There is no student with email "{}".'.format(email)))
student_assignment, __ = StudentAssignment.objects.get_or_create(
group_assignment=assignment, student=student)
err = student_assignment.send_email("new_assignment")
if err is not None:
return response_500(req, msg=_(err))
return HttpResponse()
def group_details_update(req, group_hash, teacher, group):
"""
Updates the field of the group using the `name` and `value` given by the
post request data.
Parameters
----------
group_hash : str
Hash of the group
teacher : Teacher
group : StudentGroup
Group corresponding to the hash (returned by `group_access_required`)
Returns
-------
HttpResponse
Either an empty 200 response if everything worked or an error response
"""
name, value = validate_update_data(req)
if isinstance(name, HttpResponse):
return name
if name == "name":
if (name != group.name
and StudentGroup.objects.filter(name=name).exists()):
return response_400(req, msg=_("That name already exists."))
group.name = value
group.save()
logger.info("Group %d's name was changed to %s.", group.pk, value)
elif name == "title":
group.title = value
group.save()
logger.info("Group %d's title was changed to %s.", group.pk, value)
elif name == "teacher":
try:
teacher = Teacher.objects.get(user__username=value)
except Teacher.DoesNotExist:
return response_400(
req,
msg=_("There is no teacher with username {}.".format(teacher)),
)
group.teacher.add(teacher)
group.save()
logger.info("Teacher %d was added to group %d.", value, group.pk)
elif name == "student_id_needed":
group.student_id_needed = value
group.save()
logger.info("Student id needed was set to %s for group %d.", value,
group.pk)
else:
return response_400(req, msg=_("Wrong data type was sent."))
return HttpResponse(content_type="text/plain")
def signup_through_link(request, group_hash):
# Call logout to ensure a clean session
logout(request)
group = StudentGroup.get(group_hash)
if group is None:
return response_404(
request,
msg=_("The group couldn't be found. Bear in mind that the URL "
"is case-sensitive."),
)
if request.method == "POST":
form = EmailForm(request.POST)
if not form.is_valid():
return response_400(
request, msg=_("There was a problem with the values sent."))
student, created = Student.get_or_create(form.cleaned_data["email"])
if student is None:
return response_400(
request,
msg=_("There already exists a user with this username. Try a "
"different email address."),
)
if created:
student.join_group(group, mail_type="confirmation")
else:
student.join_group(group, mail_type="new_group")
return TemplateResponse(
request,
"registration/sign_up_student_done.html",
context={
"student": student,
"group": group
},
)
form = EmailForm()
tos = Tos.objects.filter(role="student").latest("created").text
return TemplateResponse(
request,
"registration/sign_up_student.html",
context={
"form": form,
"group": group,
"tos": tos
},
)
def validate_update_data(req):
try:
data = json.loads(req.body)
except ValueError:
return response_400(req, msg=_("Wrong data type was sent."))
try:
name = data["name"]
value = data["value"]
except KeyError:
return response_400(req, msg=_("There are missing parameters."))
return name, value
def remove_criterion(req):
"""
REmoves the given criterion to the quality with the given parameters. The
request must have parameters:
quality : int
Primary key of the quality
criterion : str
Name of the criterion
Returns
-------
HttpResponse
Either an empty HttpResponse or an error response
"""
try:
data = json.loads(req.body)
except ValueError:
return response_400(
req,
msg=_("Wrong data type was sent."),
logger_msg=("The sent data wasn't in a valid JSON format."),
log=logger.warning,
)
try:
quality_pk = data["quality"]
criterion_name = data["criterion"]
except KeyError as e:
return response_400(
req,
msg=_("There are missing parameters."),
logger_msg=("The arguments {} were missing.".format(", ".join(
e.args))),
log=logger.warning,
)
try:
quality = Quality.objects.get(pk=quality_pk)
except Quality.DoesNotExist:
return response_400(
req,
msg=_("Some of the parameters were wrong."),
logger_msg=(
"There isn't any quality with key {}.".format(quality_pk)),
log=logger.warning,
)
quality.remove_criterion(criterion_name)
logger.info("Criterion %s was removed from quality %d.", criterion_name,
quality_pk)
return HttpResponse()
def evaluate_rationale(req):
try:
data = json.loads(req.body)
except ValueError:
return response_400(
req,
msg=_("Wrong data type was sent."),
logger_msg=("The sent data wasn't in a valid JSON format."),
log=logger.warning,
)
try:
answer_pk = data["answer"]
quality_pk = data["quality"]
except KeyError as e:
return response_400(
req,
msg=_("There are missing parameters."),
logger_msg=(
"The arguments {} were missing.".format(", ".join(e.args))
),
log=logger.warning,
)
try:
answer = Answer.objects.get(pk=answer_pk)
except Answer.DoesNotExist:
return response_400(
req,
msg=_("Some of the parameters were wrong."),
logger_msg=(
"There isn't any answer with key {}.".format(answer_pk)
),
log=logger.warning,
)
try:
quality = Quality.objects.get(pk=quality_pk)
quality_, evaluation = quality.evaluate(answer)
return JsonResponse({"quality": quality_, "evaluation": evaluation})
except Quality.DoesNotExist:
return response_400(
req,
msg=_("Some of the parameters were wrong."),
logger_msg=(
"There isn't any quality with key {}.".format(quality_pk)
),
log=logger.warning,
)
def send_signin_link(req):
try:
email = req.POST["email"].lower()
except KeyError as e:
return response_400(
req,
msg=_("There are missing parameters."),
logger_msg=("The arguments '%s' were missing.", ",".join(e.args)),
log=logger.warning,
)
student = Student.objects.filter(student__email=email)
if not student:
student, created = Student.get_or_create(email)
logger.info("Student created with email {}.".format(email))
elif len(student) == 1:
student = student[0]
else:
username, __ = get_student_username_and_password(email)
student = student.filter(student__username=username).first()
if student:
err = student.send_email(mail_type="signin", request=req)
if err is None:
context = {"error": False}
else:
context = {"error": True}
return render(req, "peerinst/student/login_confirmation.html", context)
def get_student_reputation(req):
"""
Returns the student information along with the convincing rationales
criterion.
Parameters
----------
req : HttpRequest
Request with:
parameters:
id: int
Student pk
Returns
-------
Either
JSONResponse
Response with json data:
{
email : str
Student email
last_login : str
Date of last login in isoformat
popularity : float
Value of the convincing rationales criterion
}
HttpResponse
Error response
"""
args = get_json_params(req, args=["id"])
if isinstance(args, HttpResponse):
return args
(id_,), _ = args
try:
student = Student.objects.get(pk=id_)
except Student.DoesNotExist:
return response_400(
req,
msg=_("The student couldn't be found."),
logger_msg=(
"The student with pk {} couldn't be found.".format(id_)
),
log=logger.warning,
)
criteria = {
c.name: student.evaluate_reputation(c.name)
for c in ReputationType.objects.get(type="student").criteria.all()
}
return JsonResponse(
{
"email": student.student.email,
"last_login": student.student.last_login.isoformat()
if student.student.last_login is not None
else None,
"criteria": criteria,
}
)
def get_teacher_information(req):
args = get_query_string_params(req, args=["id"])
if isinstance(args, HttpResponse):
return args
(id_, ), _ = args
try:
teacher = Teacher.objects.get(pk=id_)
except Teacher.DoesNotExist:
return response_400(
req,
msg=translate("There is no teacher with that id"),
logger_msg=("Teacher with pk {} couldn't be found.".format(id_)),
log=logger.warning,
)
if teacher.reputation is None:
teacher.reputation = Reputation.create(teacher)
_, reputations = teacher.reputation.evaluate()
data = {
"username":
teacher.user.username,
"last_login":
teacher.user.last_login.strftime("%Y-%m-%d %H:%M:%S")
if teacher.user.last_login is not None else None,
"reputations": [{
"name": reputation["name"],
"reputation": reputation["reputation"],
} for reputation in reputations],
}
return JsonResponse(data)
def student_reputation(req):
args = get_json_params(req, args=["id"])
if isinstance(args, HttpResponse):
return args
(student_id, ), __ = args
if req.user.student.pk != student_id:
return response_403(
req,
msg=_("You don't have access to this resource."),
logger_msg=(
"Access to reputation of student {} from student {}.".format(
student_id, req.user.student.pk)),
log=logger.warning,
)
try:
student = Student.objects.get(pk=student_id)
except Student.DoesNotExist:
return response_400(
req,
msg=_("This student doesn't exist."),
logger_msg=(
"Tried to obtain student with pk {}".format(student_id)),
log=logger.warning,
)
if student.reputation is None:
student.reputation = Reputation.create(student)
student.save()
reputation, reputations = student.reputation.evaluate()
data = {"reputation": reputation, "reputations": reputations}
return JsonResponse(data, status=200)
def get_groups_activity(req: HttpRequest, discipline: str) -> HttpResponse:
try:
discipline = Discipline.objects.get(title=discipline)
except Discipline.DoesNotExist:
return response_400(
req,
f"There is no discipline {discipline}.",
"A request to get group activity for non existing "
f"discipline {discipline} was made.",
logger.warning,
use_template=False,
)
groups = [
group
for group in StudentGroup.objects.iterator()
if group.teacher.count()
and discipline in group.teacher.first().disciplines.all()
]
data = {
"activity": [
{
"name": group.title,
"teacher": group.teacher.last().user.username,
"n_students": group.studentgroupmembership_set.count(),
}
for group in groups
]
}
return JsonResponse(data)
def verify_question(req, type_, question_pk):
"""
Verifies if the question exists and the user is allowed to change the
question, returning it if that's the case and an error response if not.
Parameters
----------
req : HttpRequest
Request
type_ : str
Which use type it the quality for
question_pk : int
Primary key for the question
Returns
-------
Either
Quality
Quality corresponding to the question
HttpResponse
400 or 403 error response
"""
return response_400(
req,
msg=_("Some parameters are wrong"),
logger_msg=(
"An access to {} was tried with a question primary key.".format(
req.path)),
log=logger.warning,
)
def teacher_reputation(req):
args = get_json_params(req, args=["id"])
if isinstance(args, HttpResponse):
return args
(teacher_id, ), __ = args
try:
teacher = Teacher.objects.get(pk=teacher_id)
except (Teacher.DoesNotExist, AttributeError):
return response_400(
req,
msg=_("This teacher doesn't exist."),
logger_msg=(
"Tried to obtain teacher with pk {}".format(teacher_id)),
log=logger.warning,
)
if teacher.reputation is None:
teacher.reputation = Reputation.create(teacher)
teacher.save()
reputation, reputations = teacher.reputation.evaluate()
data = {"reputation": reputation, "reputations": reputations}
return JsonResponse(data, status=200)
def remove_notification(req, student):
"""
Removes the notification with the pk given as post value.
Parameters
----------
req : HttpRequest
Request with post parameters:
notification_pk : str
Primary key of the notification
student : Student
Returned by @student_required (not used)
Returns
-------
HttpResponse
Empty 200 response if no errors or error response
"""
try:
data = json.loads(req.body)
except ValueError:
return response_400(
req,
msg=_("Wrong data type was sent."),
logger_msg=("The sent data wasn't in a valid JSON format."),
log=logger.warning,
)
try:
notification_pk = data["notification_pk"]
except KeyError as e:
return response_400(
req,
msg=_("There are missing parameters."),
logger_msg=("The arguments '%s' were missing.", ",".join(e.args)),
log=logger.warning,
)
try:
StudentNotification.objects.get(pk=notification_pk).delete()
except StudentNotification.DoesNotExist:
pass
return HttpResponse()
def group_assignment_update(req, assignment_hash, teacher, group, assignment):
name, value = validate_update_data(req)
if isinstance(name, HttpResponse):
return name
err = assignment.update(name, value)
if err is not None:
return response_400(req, msg=_(err))
return HttpResponse(content_type="text/plain")
def verify_teacher(req, type_):
"""
Verifies if the teacher exists , returning it if that's the case and an
error response if not.
Parameters
----------
req : HttpRequest
Request
type_ : str
Which use type it the quality for
Returns
-------
Either
Quality
Quality corresponding to the group
HttpResponse
400 or 403 error response
"""
try:
teacher = Teacher.objects.get(user=req.user)
except (Teacher.DoesNotExist, AttributeError):
return response_403(
req,
msg=_("You don't have access to this resource."),
logger_msg=("Access to {} from user {}.".format(
req.path,
req.user.pk if hasattr(req, "user")
and isinstance(req.user, User) else "anonymous",
)),
log=logger.warning,
)
if teacher.quality is None:
quality_type = QualityType.objects.get(type="teacher")
try:
quality_use_type = QualityUseType.objects.get(type=type_)
except QualityUseType.DoesNotExist:
return response_400(
req,
msg=_("Some parameters are wrong"),
logger_msg=("An access to {} was tried with the wrong ".format(
req.path) + "quality use type{}.".format(type_)),
log=logger.warning,
)
teacher.quality = Quality.objects.create(
quality_type=quality_type, quality_use_type=quality_use_type)
teacher.save()
return teacher.quality
def flag_question(req, teacher):
args = get_json_params(req, args=["id", "reason"])
if isinstance(args, HttpResponse):
return args
(question_id, reason), _ = args
try:
question = Question.objects.get(id=question_id)
except Question.DoesNotExist:
return response_400(
req,
msg=translate("The question couldn't be found."),
logger_msg=("The question with pk {} couldn't be found.".format(
question_id)),
log=logger.warning,
)
try:
flag_reason = QuestionFlagReason.objects.get(title=reason)
except Question.DoesNotExist:
return response_400(
req,
msg=translate("The flag reason couldn't be found."),
logger_msg=(
"The question flag reason with title {} ".format(reason) +
"couldn't be found."),
log=logger.warning,
)
flag = QuestionFlag.objects.create(question=question,
user=teacher.user,
flag=True)
flag.flag_reason.add(flag_reason)
logger.info("Question flagged!")
return HttpResponse("")
def test_response_400__default_message(rf, caplog):
logger = logging.getLogger("test")
req = rf.get("/test")
req.user = AnonymousUser()
resp = response_400(req,
msg="test1",
log=logger.warning,
use_template=True)
assert isinstance(resp, TemplateResponse)
assert resp.status_code == 400
assert len(caplog.records) == 1
assert (caplog.records[0].message ==
"400 error for user AnonymousUser on path /test.")
def test_response_400(rf, caplog):
logger = logging.getLogger("test")
req = rf.get("/test")
resp = response_400(
req,
msg="test1",
logger_msg="test2",
log=logger.warning,
use_template=True,
)
assert isinstance(resp, TemplateResponse)
assert resp.status_code == 400
assert len(caplog.records) == 1
assert caplog.records[0].message == "test2"
def get_query_string_params(req, args=None, opt_args=None):
if args is None:
args = []
if opt_args is None:
opt_args = []
try:
args = [req.GET[arg] for arg in args]
opt_args = [req.GET.get(arg) for arg in opt_args]
except KeyError as e:
return response_400(
req,
msg=_("There are missing parameters."),
logger_msg=("The arguments {} were missing.".format(", ".join(
e.args))),
log=logger.warning,
)
return args, opt_args
def reputation(req):
args = get_json_params(req, args=["reputation_type"])
if isinstance(args, HttpResponse):
return args
(reputation_type, ), __ = args
if reputation_type == "teacher":
return teacher_reputation(req)
if reputation_type == "student":
return student_reputation(req)
else:
return response_400(
req,
msg=_("This isn't a supported reputation type."),
logger_msg=("The sent data used reputation type {} ".format(
reputation_type) + "which isn't supported."),
log=logger.warning,
)
def get_query_string_params(
req: HttpRequest,
args: Optional[List[str]] = None,
opt_args: Optional[List[str]] = None,
) -> Union[Tuple[List[Any], List[Any]], HttpResponse]:
if args is None:
args = []
if opt_args is None:
opt_args = []
try:
args = [req.GET[arg] for arg in args]
opt_args = [req.GET.get(arg) for arg in opt_args]
except KeyError as e:
return response_400(
req,
msg=_("There are missing parameters."),
logger_msg=("The arguments {} were missing.".format(", ".join(
e.args))),
log=logger.warning,
)
return args, opt_args
def unsubscribe_from_thread(req, teacher):
"""
Unsubscribes the `teacher` from a thread (won't appear in the messages).
Parameters
----------
req : HttpRequest
Request with:
parameters:
id: int
Thread primary key
teacher : Teacher
Teacher instance returned by `teacher_required`
Returns
-------
HttpResponse
Error response or empty 200 response
"""
args = get_json_params(req, args=["id"])
if isinstance(args, HttpResponse):
return args
(id_, ), _ = args
try:
thread = ForumThread.objects.get(pk=id_)
except ForumThread.DoesNotExist:
return response_400(
req,
msg=translate("The thread couldn't be found."),
logger_msg=(
"The thread with pk {} couldn't be found.".format(id_)),
log=logger.warning,
)
thread.subscriptions.filter(user=teacher.user).delete()
return HttpResponse("")
def validate_rationale(req):
try:
data = json.loads(req.body)
except ValueError:
return response_400(
req,
msg=_("Wrong data type was sent."),
logger_msg=("The sent data wasn't in a valid JSON format."),
log=logger.warning,
)
try:
rationale = data["rationale"]
quality_pk = data.get("quality")
except KeyError as e:
return response_400(
req,
msg=_("There are missing parameters."),
logger_msg=("The arguments {} were missing.".format(", ".join(
e.args))),
log=logger.warning,
)
global_quality = Quality.objects.get(quality_type__type="global",
quality_use_type__type="validation")
global_quality_, global_evaluation = global_quality.evaluate(rationale)
failed = [
{
"name": c["full_name"],
"description": c["description"]
} for c in global_evaluation
if c["quality"]["quality"] < c["quality"]["threshold"] or
(c["quality"]["quality"] < 1 and c["versions"][c["version"] -
1]["binary_threshold"])
]
if failed:
RejectedAnswer.add(global_quality, rationale, global_evaluation)
if quality_pk is not None:
try:
quality = Quality.objects.get(pk=quality_pk)
quality_, evaluation = quality.evaluate(rationale)
failed = failed + [{
"name": c["full_name"],
"description": c["description"]
} for c in evaluation if (
c["quality"]["quality"] < c["quality"]["threshold"] or
(c["quality"]["quality"] < 1
and c["versions"][c["version"] - 1]["binary_threshold"])
) and c["full_name"] not in list(map(itemgetter("name"), failed))]
if failed:
RejectedAnswer.add(quality, rationale, evaluation)
except Quality.DoesNotExist:
return response_400(
req,
msg=_("Some of the parameters were wrong."),
logger_msg=(
"There isn't any quality with key {}.".format(quality_pk)),
log=logger.warning,
)
failed = {
"error_msg":
ugettext(
"That does not seem like a clear explanation of your reasoning:"),
"failed":
failed,
}
return JsonResponse(failed)
def wrapper(req, *args, **kwargs):
group_hash = kwargs.get("group_hash", None)
assignment_hash = kwargs.get("assignment_hash", None)
return_assignment = assignment_hash is not None
if group_hash is None and assignment_hash is None:
return response_403(
req,
msg=_("You don't have access to this resource."),
logger_msg=(
"Access to {} without a group or assignment hash.".format(
req.path)),
log=logger.warning,
)
try:
teacher = Teacher.objects.get(user=req.user)
except Teacher.DoesNotExist:
return response_403(
req,
msg=_("You don't have access to this resource."),
logger_msg=("Access to {} with a non teacher user.".format(
req.path)),
log=logger.warning,
)
if assignment_hash is not None:
assignment = StudentGroupAssignment.get(assignment_hash)
if assignment is None:
return response_400(
req,
msg=_('There is no assignment with hash "{}".'.format(
assignment_hash)),
logger_msg=(
"Access to {} with a invalid assignment hash.".format(
req.path)),
log=logger.warning,
)
group = assignment.group
else:
group = StudentGroup.get(group_hash)
if group is None:
return response_400(
req,
msg=_('There is no group with hash "{}".'.format(
group_hash)),
logger_msg=(
"Access to {} with a invalid group hash.".format(
req.path)),
log=logger.warning,
)
if teacher not in group.teacher.all():
return response_403(
req,
msg=_("You don't have access to this resource. You must be "
"registered as a teacher for the group {}.".format(
group.name)),
logger_msg=(
"Invalid access to group {} from teacher {}.".format(
group.pk, teacher.pk)),
log=logger.warning,
)
if return_assignment:
return fct(req,
*args,
teacher=teacher,
group=group,
assignment=assignment,
**kwargs)
else:
return fct(req, *args, teacher=teacher, group=group, **kwargs)
def verify_assignment(req, type_, assignment_pk):
"""
Verifies if the assignment exists and the user is allowed to change the
assignment, returning it if that's the case and an error response if not.
Parameters
----------
req : HttpRequest
Request
type_ : str
Which use type it the quality for
assignment_pk : int
Primary key for the assignment
Returns
-------
Either
Quality
Quality corresponding to the assignment
HttpResponse
400 or 403 error response
"""
try:
assignment = StudentGroupAssignment.objects.get(pk=assignment_pk)
except StudentGroupAssignment.DoesNotExist:
return response_400(
req,
msg=_("Some parameters are wrong"),
logger_msg=(
"An access to {} was tried with the wrong ".format(req.path) +
"assignment primary key {}.".format(assignment_pk)),
log=logger.warning,
)
try:
teacher = Teacher.objects.get(user=req.user)
except Teacher.DoesNotExist:
return response_403(
req,
msg=_("You don't have access to this resource."),
logger_msg=("Access to {} from user {}.".format(
req.path, req.user.pk)),
log=logger.warning,
)
if not assignment.group.teacher.filter(pk=teacher.pk).exists():
return response_403(
req,
msg=_("You don't have access to this resource."),
logger_msg=("Access to {} from user {}.".format(
req.path, req.user.pk)),
log=logger.warning,
)
if assignment.quality is None:
quality_type = QualityType.objects.get(type="studentgroupassignment")
try:
quality_use_type = QualityUseType.objects.get(type=type_)
except QualityUseType.DoesNotExist:
return response_400(
req,
msg=_("Some parameters are wrong"),
logger_msg=("An access to {} was tried with the wrong ".format(
req.path) + "quality use type{}.".format(type_)),
log=logger.warning,
)
assignment.quality = Quality.objects.create(
quality_type=quality_type, quality_use_type=quality_use_type)
assignment.save()
return assignment.quality
def index(req):
"""
Returns the main page where it's possible to edit the quality.
Possible query arguments are:
assignment : int
Primary key for a StudentGroupAssignment. If no Quality is
associated with it, will be created
next : str
Page to return to once the edition is done. If not given, will go
to /welcome
If no query string is given, an error will be returned
Returns
-------
HttpResponse
Either a TemplateResponse for edition or an error response
"""
try:
type_ = req.GET["type"]
except MultiValueDictKeyError:
return response_400(
req,
msg=_("Some parameters are missing"),
logger_msg=(
"An access to {} was tried without a ".format(req.path) +
"primary key in the query string indicating what the "
"quality is for."),
log=logger.error,
)
question_pk = req.GET.get("question")
assignment_pk = req.GET.get("assignment")
group_pk = req.GET.get("group")
for_teacher = req.GET.get("teacher")
next_ = req.GET.get("next")
if question_pk is not None:
quality = verify_question(req, type_, question_pk)
elif assignment_pk is not None:
quality = verify_assignment(req, type_, assignment_pk)
elif group_pk is not None:
quality = verify_group(req, type_, group_pk)
elif for_teacher is not None:
quality = verify_teacher(req, type_)
else:
return response_400(
req,
msg=_("Some parameters are missing"),
logger_msg=(
"An access to {} was tried without a ".format(req.path) +
"primary key in the query string indicating what the "
"quality is for."),
log=logger.error,
)
if isinstance(quality, HttpResponse):
return quality
data = {
"quality": dict(quality),
"next": next_,
"available": quality.available,
"criterions":
[dict(criterion) for criterion in quality.criterions.all()],
"urls": {
"add_criterion": reverse("quality:add-criterion"),
"update_criterion": reverse("quality:update-criterion"),
"remove_criterion": reverse("quality:remove-criterion"),
},
}
return render(
req,
"quality/edit/index.html",
{"data": json.dumps(data, cls=LazyEncoder)},
)
def update_criterion(req):
"""
Mofieds the criterion for the quality. The request must have parameters:
quality : int
Primary key of the quality
criterion : str
Name of the criterion
field : str
Name of the field to update
value : Any
New value for the field
Returns
-------
HttpResponse
Either a JsonResponse with the criterion data or an error response
"""
try:
data = json.loads(req.body)
except ValueError:
return response_400(
req,
msg=_("Wrong data type was sent."),
logger_msg=("The sent data wasn't in a valid JSON format."),
log=logger.warning,
)
try:
quality_pk = data["quality"]
criterion_name = data["criterion"]
field = data["field"]
value = data["value"]
except KeyError as e:
return response_400(
req,
msg=_("There are missing parameters."),
logger_msg=("The arguments {} were missing.".format(", ".join(
e.args))),
log=logger.warning,
)
try:
quality = Quality.objects.get(pk=quality_pk)
except Quality.DoesNotExist:
return response_400(
req,
msg=_("Some of the parameters were wrong."),
logger_msg=(
"There isn't any quality with key {}.".format(quality_pk)),
log=logger.warning,
)
try:
criterion, old_value, value = quality.update_criterion(
criterion_name, field, value)
except (AttributeError, KeyError, UsesCriterion.DoesNotExist) as e:
return response_400(
req,
msg=_("There was an error updating the criterion."),
logger_msg=str(e),
log=logger.warning,
)
logger.info(
"Field %s for criterion %s in quality %d updated from %s to %s.",
field,
criterion_name,
quality_pk,
old_value,
value,
)
return JsonResponse(dict(criterion))
