def assign_course(id):
"""
Assign a student to a course for a given year
"""
check_admin()
course = Course.query.get_or_404(id)
# prevent admin from being assigned a course
if course.is_admin:
abort(403)
form = CourseForm(obj=course)
if form.validate_on_submit():
course.department = form.department.data
course.role = form.role.data
course.student = form.student.data
course.enrolment = form.enrolment.data
db.session.add(course)
db.session.commit()
flash('You have successfully assigned a student, department and role.')
# redirect to the roles page
return redirect(url_for('admin.list_courses'))
return render_template('admin/courses/course.html',
course=course,
form=form,
title='Assign Course')
def home():
form = CourseForm()
if form.validate_on_submit():
course_name = form.cname.data.upper()
course_id = form.cid.data
course_sec = form.sec.data.upper()
email = form.email.data.lower()
reserved = form.reserved.data
result = checkCourse(course_name, course_id, course_sec)
if result is not None:
flash('Unable to find course')
else:
known = None
course = Course.query.filter_by(cname=course_name, cid=course_id, sec=course_sec).first()
if course is None:
course = Course(cname=course_name, cid=course_id, sec=course_sec)
db.session.add(course)
db.session.flush()
user = User(email=email, course_id=course.id, reserved=reserved)
db.session.add(user)
else:
ckey = course.id
result = checkUser(email, ckey, reserved)
if result != None:
known = True
else:
user = User(email=email, course_id=ckey, reserved=reserved)
db.session.add(user)
db.session.commit()
return redirect(url_for('complete', known=known))
return render_template('home.html', form=form)
def course_details(id):
course = Course.query.get(id)
form = CourseForm()
#：如果当前登录的教师没有教授这门课程，则禁止访问
if current_user.id != course.teacher.id:
abort(403)
if form.validate_on_submit():
course.time = form.time.data
course.location = form.location.data
flash(u'修改信息成功')
db.session.commit()
return redirect(url_for('course_details', id=id))
return render_template('courseDetails.html', form=form, course=course)
def addCourse():
'''
Add a new course to the course dashboard.
'''
if 'username' not in login_session:
return redirect(url_for('welcome'))
form = CourseForm()
if form.validate_on_submit():
title = form.title.data
user_id = login_session['user_id']
description = form.description.data
provider = form.provider.data
website = form.website.data
#If user uploaded an image file, ensure the filename is secure,
#then save the file to the filesystem and create a path
#to the file in the database.
#http://flask.pocoo.org/docs/0.10/patterns/fileuploads/
file = form.image.data
if file:
filename = secure_filename(file.filename)
if file and allowed_file(filename):
newCourse = Course(title = request.form['title'], user_id = login_session['user_id'],
description = request.form['description'], provider = request.form['provider'],
website = request.form['website'])
session.add(newCourse)
session.commit()
#The purpose of this line is to ensure that newCourse.id is
#accessable - need it to name the image file on filesystem
#http://stackoverflow.com/questions/1316952/sqlalchemy-flush-and-get-inserted-id
session.refresh(newCourse)
image_destination = 'static/course_images/%s_%s.%s' % (user_id, newCourse.id, get_file_extension(filename))
file.save(dst = image_destination)
newCourse.image = image_destination
session.commit()
else:
newCourse = Course(title = request.form['title'], user_id = login_session['user_id'],
description = request.form['description'], provider = request.form['provider'],
website = request.form['website'], image = None)
session.add(newCourse)
session.commit()
flash('New course %s added!' % newCourse.title)
return redirect(url_for('fullCourseList'))
else:
return render_template('newcourse.html', form = form)
def create_course():
course_form = CourseForm()
course_form.semester_id.choices = [(row['id'], row['name'])
for row in db.read_all_semesters()]
if course_form.validate_on_submit():
rowcount = db.create_course({
'designation': course_form.designation.data,
'name': course_form.name.data,
'semester_id': course_form.semester_id.data
})
if rowcount == 1:
flash('Course {} created'.format(course_form.name.data))
return redirect(url_for('all_courses'))
return render_template('courses/add.html', form=course_form)
def editCourse(course_id):
'''
Edit a course on the user's dashboard.
'''
if 'username' not in login_session:
return redirect(url_for('welcome'))
editedCourse = session.query(Course).filter_by(id = course_id).one()
if editedCourse.user_id != login_session['user_id']:
return "<script>function myFunction() {alert('You are not authorized to edit this course. Please create your own course in order to edit.');}</script><body onload='myFunction()''>"
form = CourseForm()
if form.validate_on_submit():
editedCourse.title = form.title.data
editedCourse.user_id = login_session['user_id']
editedCourse.description = form.description.data
editedCourse.provider = form.provider.data
editedCourse.website = form.website.data
#http://flask.pocoo.org/docs/0.10/patterns/fileuploads/
file = form.image.data
if file and allowed_file(file.filename):
filename = secure_filename(file.filename)
session.add(editedCourse)
session.commit()
#The purpose of this line is to ensure that editedCourse.id is
#accessable - need it to name the image file on filesystem
#http://stackoverflow.com/questions/1316952/sqlalchemy-flush-and-get-inserted-id
session.refresh(editedCourse)
image_destination = 'static/course_images/%s_%s.%s' % (editedCourse.user_id, editedCourse.id, get_file_extension(filename))
#If there existed a previous image for the course, delete it from filesystem.
if editedCourse.image:
os.remove(editedCourse.image)
file.save(dst = image_destination)
editedCourse.image = image_destination
session.add(editedCourse)
session.commit()
session.add(editedCourse)
session.commit()
flash('Course successfully edited %s' % editedCourse.title)
return redirect(url_for('fullCourseList'))
else:
#Since course description is TextArea input type, need to
#prepopulate it with statement below.
form.description.data = editedCourse.description
return render_template('editcourse.html', course=editedCourse, time = time.time(), form = form)
def edit_course(name):
"""
Edit a course
"""
if not current_user.isTeacher:
abort(403)
add_course = False
course = Course.query.filter_by(courseNums=name).first()
form = CourseForm(obj=course)
if form.validate_on_submit():
course.name = form.name.data
course.description = form.description.data
db.session.commit()
flash(u'课程信息修改成功')
return redirect(url_for('admin.list_courses'))
form.description.data = course.description
form.name.data = course.name
course.courseNums = form.courseNums.data
return render_template('admin/courses/course.html', action="Edit",
add_course=add_course, form=form,
course=course, title="Edit Course", code=course.courseNums)
def add_course():
add_course = True
courseNums = ''.join(random.sample(string.ascii_letters+string.digits, 8))
form = CourseForm()
if form.validate_on_submit():
course = Course(name=form.name.data,
description=form.description.data,teacherName=current_user.name,
courseNums=form.courseNums.data)
try:
# add course to the database
db.session.add(course)
db.session.commit()
flash(u'成功创建一门课程')
except:
# in case course name already exists
flash(u'创建课程失败，可能是选课口令与已存在的课程相同')
# redirect to courses page
return redirect(url_for('admin.list_courses'))
# load course template
return render_template('admin/courses/course.html',
add_course=add_course, form=form,
title="Add Course", code=courseNums)
def enroll():
if not current_user.verified:
return redirect(url_for('register',_external=True))
form = CourseForm()
if not form.validate_on_submit():
flash("Invalid Course name provided", "warning")
return redirect(url_for('home',_external=True))
print(form.data['course'])
course = Course.query.filter_by(name=form.data['course']).first()
print(course)
notif = Exam.query.filter_by(course = course, user= current_user).first()
if course and not notif:
exam = Exam.make_unique(course,DEFAULT_NOTIF,current_user)
db.session.add(exam)
db.session.commit()
flash("You have successfully registered for this course.", "success")
elif not course:
flash("Course not found. Please enter the full course code as it appears on ACORN.", "warning")
elif notif and course:
flash("You are already registered in %s" % course.name, "warning")
return redirect(url_for('home',_external=True))
def calendar():
conf = ""
#cookies
cookies = request.cookies
if "courses" in cookies:
cs = json.loads(cookies.get("courses"))
else:
cs = []
if "credits" in cookies:
credits = json.loads(cookies.get("credits"))
else:
credits = 0
for i in cs:
credits += data.getCredits(i["crn"])
if "modal" in cookies:
m = json.loads(cookies.get("modal"))
else:
m = "first"
modalform = StartForm()
form = CourseForm()
if form.department.data == None:
form.course.choices = data.getDeptCourses('ALL DEPTS')
else:
form.course.choices = data.getDeptCourses(form.department.data)
form_clear = ClearForm()
form_remove = RemoveForm()
ch = []
#for c in courses:
for c in cs:
ch.append((c["crn"], (c["title"] + " " + c["sect"])))
form_remove.selcourses.choices = ch
error = None
#if the form is submitted validly
if request.method == 'POST':
if form.validate_on_submit():
#reformat the form data into a dictionary of course info
course = fmat(form.course.data)
#if the course does not conflict with any pre-selected classes, add it to the class schedule
conflicts = conflict(course, cs)
if len(conflicts) == 0:
#courses.append(course)
cs.append(course)
form_remove.selcourses.choices.append(
(course["crn"], (course["title"] + " " + course["sect"])))
credits += data.getCredits(course["crn"])
#if there are one or more conflicts with the current class schedule, do not add it and report conflict
else:
conlist = ", ".join(conflicts)
conf = course["dept"] + " " + course["number"]
error = 'The selected class, ' + course["title"] + ' (' + ''.join(
course["days"]
) + ', ' + ''.join(
course["times"]
) + '),' + ' conflicts with the following courses on your schedule: ' + conlist
if form_remove.submit.data:
print(form_remove.selcourses.data)
for s in form_remove.selcourses.data:
print(cs)
for i in cs:
if i["crn"] == int(s):
print("yes")
cs.remove(i)
form_remove.selcourses.choices.remove(
(int(s), (i["title"] + " " + i["sect"])))
credits -= data.getCredits(i["crn"])
if modalform.start.data:
if m == "first":
m = "yes"
else:
m = "no"
attr = []
for i in cs:
attr.extend(data.getAttr(i["crn"]))
attr = ", ".join(list(set(attr)))
res = make_response(
render_template('calendar.html',
title='Calendar',
modalform=modalform,
form=form,
cform=form_clear,
rform=form_remove,
error=error,
courses=cs,
creds=credits,
attributes=attr,
conf=conf,
m=m))
res.set_cookie("courses", json.dumps(cs))
res.set_cookie("credits", json.dumps(credits))
res.set_cookie("modal", json.dumps(m))
return res
