def post(self, course_id):
"Add or update students. (instructors only)"
course = self.find_course(course_id)
self.check_course_instructor(course)
students_str = self.get_argument("students", None)
# Check request format
if not students_str:
self.json_error(400, "Please supply students")
try:
students = json.loads(students_str)
except json.decoder.JSONDecodeError:
self.json_error(400, "Students cannot be JSON decoded")
if not isinstance(students, list):
self.json_error(400, "Incorrect request format")
if not students:
self.json_error(400, "Please supply students")
for i in students:
if (
not isinstance(i, dict)
or not isinstance(i.get("username"), str)
or not isinstance(i.get("first_name"), str)
or not isinstance(i.get("last_name"), str)
or not isinstance(i.get("email"), str)
):
self.json_error(400, "Incorrect request format")
# Commit
ans = []
for i in students:
student = self.find_or_create_user(i["username"])
if student in course.instructors:
ans.append(
{
"username": i["username"],
"success": False,
"message": "Cannot add instructor as student",
}
)
continue
if student not in course.students:
course.students.append(student)
association = StudentAssociation.find(self.db, student, course)
association.first_name = i["first_name"]
association.last_name = i["last_name"]
association.email = i["email"]
ans.append(
{
"username": i["username"],
"success": True,
}
)
self.db.commit()
self.json_success(status=ans)
def post(self, course_id):
'Add or update students. (instructors only)'
course = self.find_course(course_id)
self.check_course_instructor(course)
students_str = self.get_argument('students', None)
# Check request format
if not students_str:
self.json_error(400, 'Please supply students')
try:
students = json.loads(students_str)
except json.decoder.JSONDecodeError:
self.json_error(400, 'Students cannot be JSON decoded')
if not isinstance(students, list):
self.json_error(400, 'Incorrect request format')
if not students:
self.json_error(400, 'Please supply students')
for i in students:
if (
not isinstance(i, dict)
or not isinstance(i.get('username'), str)
or not isinstance(i.get('first_name'), str)
or not isinstance(i.get('last_name'), str)
or not isinstance(i.get('email'), str)
):
self.json_error(400, 'Incorrect request format')
# Commit
ans = []
for i in students:
student = self.find_or_create_user(i['username'])
if student in course.instructors:
ans.append(
{
'username': i['username'],
'success': False,
'message': 'Cannot add instructor as student',
}
)
continue
if student not in course.students:
course.students.append(student)
association = StudentAssociation.find(self.db, student, course)
association.first_name = i['first_name']
association.last_name = i['last_name']
association.email = i['email']
ans.append(
{'username': i['username'], 'success': True,}
)
self.db.commit()
self.json_success(status=ans)
def wrap_student_info(self, user, course):
"Return dict of student info (full name, email, etc)"
association = StudentAssociation.find(self.db, user, course)
if association is None: # Error in data integrity
return {
"username": user.id,
"first_name": None,
"last_name": None,
"email": None,
}
return {
"username": user.id,
"first_name": association.first_name,
"last_name": association.last_name,
"email": association.email,
}
def wrap_student_info(self, user, course):
'Return dict of student info (full name, email, etc)'
association = StudentAssociation.find(self.db, user, course)
if association is None: # Error in data integrity
return {
'username': user.id,
'first_name': None,
'last_name': None,
'email': None,
}
return {
'username': user.id,
'first_name': association.first_name,
'last_name': association.last_name,
'email': association.email,
}
def post(self, course_id, student_id):
"Add or update a student. (instructors only)"
course = self.find_course(course_id)
self.check_course_instructor(course)
student = self.find_or_create_user(student_id)
first_name = self.get_argument("first_name", None)
if first_name is None:
self.json_error(400, "Please supply first name")
last_name = self.get_argument("last_name", None)
if last_name is None:
self.json_error(400, "Please supply last name")
email = self.get_argument("email", None)
if email is None:
self.json_error(400, "Please supply email")
if student in course.instructors:
self.json_error(409, "Cannot add instructor as student")
if student not in course.students:
course.students.append(student)
association = StudentAssociation.find(self.db, student, course)
association.first_name = first_name
association.last_name = last_name
association.email = email
self.db.commit()
self.json_success()