def delete_student(id):
from grading.models import delete_student_model
try:
set_lock('student'+str(id))
if not delete_student_model(id):
return 'student not found', status.HTTP_404_NOT_FOUND
finally:
release_lock('student'+str(id))
return '', status.HTTP_204_NO_CONTENT
def delete_grade(student, course):
from grading.models import delete_grade_model
try:
set_lock('grade'+str(student)+str(course))
if not delete_grade_model(student, course):
return 'grade not found', status.HTTP_404_NOT_FOUND
finally:
release_lock('grade'+str(student)+str(course))
return '', status.HTTP_204_NO_CONTENT
def delete_course(id):
from grading.models import delete_course_model
try:
set_lock('course'+str(id))
if not delete_course_model(id):
return 'course not found', status.HTTP_404_NOT_FOUND
finally:
release_lock('course'+str(id))
return '', status.HTTP_204_NO_CONTENT
def update_student(id):
from grading.models import update_student_model
student_data = request.get_json()
email = student_data.get('email')
if email:
message = validate_email(email)
if message:
return message, status.HTTP_400_BAD_REQUEST
try:
set_lock('student'+str(id))
if not update_student_model(id, student_data):
return 'student not found', status.HTTP_404_NOT_FOUND
finally:
release_lock('student'+str(id))
result = {'id': id}
return json.dumps(result), status.HTTP_200_OK
def update_grade():
from grading.models import update_grade_model
grade_data = request.get_json()
grade = grade_data.get('grade')
student = grade_data.get('student')
course = grade_data.get('course')
validate_message = validate_grade(grade, student, course)
if validate_message:
return validate_message, status.HTTP_400_BAD_REQUEST
try:
set_lock('grade'+str(student)+str(course))
if not update_grade_model(student, course, {'grade': grade}):
return 'grade not found', status.HTTP_404_NOT_FOUND
finally:
release_lock('grade'+str(student)+str(course))
return '', status.HTTP_200_OK
def update_course(id):
from grading.models import update_course_model
course_data = request.get_json()
students = course_data.get('students')
if students:
message = validate_students(students)
if message:
return message, status.HTTP_400_BAD_REQUEST
try:
set_lock('course'+str(id))
if not update_course_model(id, course_data):
return 'course not found', status.HTTP_404_NOT_FOUND
finally:
release_lock('course'+str(id))
result = {'id': id}
return json.dumps(result), status.HTTP_200_OK