def enrollment():
if not session.get('username'):
return redirect(url_for("login"))
courseID = request.form.get('courseID')
courseTitle = request.form.get('title')
user_id = session.get('user_id')
if courseID:
if Enrollment.objects(user_id=user_id, courseID=courseID):
flash(f"Opps, you are already registered in this course {courseTitle}", "danger")
return redirect(url_for('courses'))
else:
enrollment = Enrollment(user_id=user_id, courseID=courseID)
enrollment.save()
flash(f"You are enrolled in {courseTitle}", "success")
classes = course_list()
return render_template("enrollment.html", enrollment=True, title="Enrollment", classes=classes)
def enrollment():
if not session.get('first_name'):
return redirect(url_for('login'))
courseID = request.form.get('courseID')
courseTitle = request.form.get('title')
user_id = session.get('user_id')
if courseID:
if Enrollment.objects(user_id=user_id, courseID=courseID):
flash(f"You're already registered in this course { courseTitle }",
"danger")
return redirect(url_for('courses'))
else:
enrollment = Enrollment(user_id=user_id, courseID=courseID)
enrollment.save()
flash(f"You're enrolled in { courseTitle }!", "success")
classes = list(
User.objects.aggregate(*[{
'$lookup': {
'from': 'enrollment',
'localField': 'user_id',
'foreignField': 'user_id',
'as': 'r1'
}
}, {
'$unwind': {
'path': '$r1',
'includeArrayIndex': 'r1_id',
'preserveNullAndEmptyArrays': False
}
}, {
'$lookup': {
'from': 'course',
'localField': 'r1.courseID',
'foreignField': 'courseID',
'as': 'r2'
}
}, {
'$unwind': {
'path': '$r2',
'preserveNullAndEmptyArrays': False
}
}, {
'$match': {
'user_id': user_id
}
}, {
'$sort': {
'r2.courseID': 1
}
}]))
# classes = list(Course.objects.aggregate(*[
# {
# '$lookup': {
# 'from': 'enrollment',
# 'localField': 'courseID',
# 'foreignField': 'courseID',
# 'as': 'r1'
# }
# }, {
# '$match': {
# 'r1.user_id': user_id
# }
# }
# ]))
return render_template('enrollment.html',
classes=classes,
title="Enrollment",
enrollment=True)