Exemplo n.º 1
0
class QuestionController():
    def __init__(self):
        if 'instructor' in session:
            self.loggedIn = True

        self.newStudent_interest = Student_interest()
        self.newCourse_interest = Course_interest()
        self.newInterest = Interest()
        self.newCourse = Course()
        self.newStudent_subscription = Student_subscription()
        self.newStudent = Student()
        self.newInstructor = Instructor()
        self.newLesson = Lesson()
        self.newStudent_question = Student_question()
        self.newQuestion_response = Question_response()

    def question(self, questionId):
        data = {}
        data['responses'] = []
        question_id = ObjectId(questionId)
        question = self.newStudent_question.get_question(question_id)
        lesson = self.newLesson.get_lesson_by_id(
            ObjectId(question['lesson_id']))
        course = self.newCourse.get_course_by_id(
            ObjectId(question['course_id']))
        responses = self.newQuestion_response.get_question_responses(
            questionId)
        if (responses.count() > 0):
            for response in responses:
                if (response['student_id'] == 0):
                    instructor = self.newInstructor.get_instructor_by_id(
                        ObjectId(response['instructor_id']))
                    response['instructor'] = instructor
                if (response['instructor_id'] == 0):
                    student = self.newStudent.get_student_by_id(
                        ObjectId(response['student_id']))
                    response['student'] = student
                data['responses'].append(response)

        data['question'] = question
        #data['responses'] = responses
        data['lesson'] = lesson
        data['course'] = course

        return render_template("student/question.html", data=data)
        session['error_msg'].clear()

    def respond(self):
        student_id = session['student']['id']

        question_id = request.form['question_id']
        response = request.form['response']
        result = self.newQuestion_response.student(question_id, student_id,
                                                   response)
        if (result == 'ERROR'):
            return question_id + ' ' + student_id + ' ' + response + ' OOPS! Problem occured while trying to submit your response, try again later'

        return redirect(url_for('question', questionId=question_id))
Exemplo n.º 2
0
    def update_cart(self):
        #session['cart'] = []
        data = {}
        data['loggedIn'] = False
        data['course_lessons'] = []
        course = {}
        reverse_cart = []
        if 'cart' not in session:
            session['cart'] = []

        if 'reverse_cart' not in session:
            session['reverse_cart'] = []

        if 'student' in session:
            data['loggedIn'] = True
            data['student'] = session['student']

            if request.method == 'POST':
                newCourse = Course()
                course_id = request.form['course_id']
                selCourse = newCourse.get_course_by_id(ObjectId(course_id))
                course['title'] = selCourse['title']
                course['cost'] = selCourse['price']
                course['id'] = str(selCourse['_id'])
                if course not in session['cart']:
                    session['cart'].append(course)
                    session.modified = True

                #return jsonify(session)
                #return jsonify(session['cart'])
                if len(session['cart']) > 0:
                    session['cart_total'] = 0
                    session['reverse_cart'] = []
                    for cart in session['cart']:
                        reverse_cart.append(cart)
                        session['cart_total'] = session['cart_total'] + cart[
                            'cost']

                    rcount = len(reverse_cart)
                    #return jsonify(reverse_cart)
                    while (rcount > 0):
                        session['reverse_cart'].append(reverse_cart.pop())
                        session.modified = True
                        rcount = rcount - 1

                return redirect(
                    url_for('purchase_course', courseId=course['id']))
                #return redirect(url_for('dashboard'))
            else:
                return redirect(url_for('dashboard'))
        else:
            return redirect(url_for('index'))
Exemplo n.º 3
0
class CourseController():

	def  __init__(self):
		if 'student' not in session:
			return redirect(url_for('index'))

		self.newStudent_interest = Student_interest()
		self.newCourse_interest = Course_interest()
		self.newInterest = Interest()
		self.newCourse = Course()
		self.newStudent_subscription = Student_subscription()
		self.newStudent = Student()
		self.newInstructor = Instructor()
		self.newLesson = Lesson()
		self.newStudent_question = Student_question()
		self.newQuestion_response = Question_response()

	def single_course(self, courseId):
		data = {}
		data['loggedIn'] = False
		data['course_lessons'] = []
		data['similar_courses'] = []

		data['loggedIn'] = True
		data['student'] = session['student']

		course = self.newCourse.get_course_by_id(ObjectId(courseId))
		if course:
			student_id = ObjectId(session['student']['id'])
			similar_courses = self.newCourse_interest.get_similar_courses(course['_id'])
			instructor = self.newInstructor.get_instructor_by_id(course['instructor_id'])
			courseLessons = self.newLesson.get_lesson_by_courseId(course['_id'])
			courseDuration = 0
			for lesson in courseLessons:
				courseDuration = int(courseDuration) + int(lesson['duration'])
				data['course_lessons'].append(lesson)

			subscribed = self.newStudent_subscription.get_student_course_subscriptions(student_id, course['_id'])
			if subscribed:
				data['subscribed'] = 1
			else:
				data['subscribed'] = 0

			thisCourse = '';
				

			data['course'] = course
			data['instructor'] = instructor
			data['course_duration'] = courseDuration
			data['similar_courses'] = similar_courses
			#return jsonify(len(similar_courses))

			return render_template("course_single.html", data=data)
		else:
			return redirect(url_for('dashboard'))


	def course_lesson(self, course_title, lesson_title):
		data = {}
		data['QForm'] = QuestionForm()
		data['loggedIn'] = False
		data['loggedIn'] = True
		data['student'] = session['student']
		data['course_lessons'] = []
		data['lesson_questions'] = []

		student_id = ObjectId(session['student']['id'])
		course = self.newCourse.get_course_by_title(course_title)
		fields = {"course_id":course['_id'], "title":lesson_title}
		lesson = self.newLesson.get_lesson(fields)
		subscribed = self.newStudent_subscription.get_student_course_subscriptions(student_id, lesson['course_id'])
		free_lessons = self.newLesson.get_free_lessons(lesson['course_id'])
		if ((subscribed) or (lesson['_id'] in free_lessons)):
			#course = self.newCourse.get_course_by_id(lesson['course_id'])
			similar_courses = self.newCourse_interest.get_similar_courses(course['_id'])
			instructor = self.newInstructor.get_instructor_by_id(course['instructor_id'])
			courseLessons = self.newLesson.get_lesson_by_courseId(course['_id'])
			lesson_questions = self.newStudent_question.get_lesson_questions(str(lesson['_id']))
			if lesson_questions.count() > 0:
				for quest in lesson_questions:
					question = {}
					question['student'] = self.newStudent.get_student_by_id(quest['student_id'])['name']
					question['date_asked'] = str(quest['date_asked'])
					question['quest'] = quest 
					question['responses'] = self.newQuestion_response.get_question_responses(str(quest['_id']))
					data['lesson_questions'].append(question)

			courseDuration = 0
			n = 0
			nxt = 0
			prev = ''
			for courseLesson in courseLessons:
				n = n + 1;
				if nxt == 1:
					lesson['nxt'] = courseLesson['title']
					nxt = 0
				if courseLesson['title'] == lesson['title']:
					lesson['prev'] = prev
					nxt = 1

				prev = courseLesson['title']
				courseDuration = int(courseDuration) + int(courseLesson['duration'])
				data['course_lessons'].append(courseLesson)
			

			data['course'] = course
			data['lesson'] = lesson
			data['instructor'] = instructor
			data['course_duration'] = courseDuration
			data['similar_courses'] = similar_courses

			#return jsonify(len(similar_courses))
			return render_template("course_lesson.html", data=data)
		else:
			return redirect(url_for('dashboard'))


	def purchase_course(self, courseId):
		#session['test'] = 'this'
		data = {}
		data['loggedIn'] = False
		data['course_lessons'] = []
		#session['reverse_cart'] = []
		if 'cart' in session:
			data['cart'] = session['cart']
		else:
			data['cart'] = []

		if 'reverse_cart' in session:
			data['reverse_cart'] = session['reverse_cart']

		if 'cart_total' in session:
			data['sub_total'] = session['cart_total']
		else:
			data['sub_total'] = 0


		data['loggedIn'] = True
		data['student'] = session['student']

		course = self.newCourse.get_course_by_id(ObjectId(courseId))
			#return jsonify(title)
		instructor = self.newInstructor.get_instructor_by_id(course['instructor_id'])
		courseLessons = self.newLesson.get_lesson_by_courseId(course['_id'])
		courseDuration = 0
		for lesson in courseLessons:
			courseDuration = int(courseDuration) + int(lesson['duration'])
			data['course_lessons'].append(lesson)

		#cart = session['cart']
		#count = len(cart)
		#while count > 0:
		#	session['reverse_cart'].append(cart.pop())
		#	session.modified = True
		#	count = count - 1

		data['course'] = course
		data['instructor'] = instructor
		data['course_duration'] = courseDuration


		return render_template("purchase_course.html", data=data)
	

	def ask_question(self):
		form = QuestionForm()
		student_id = ObjectId(session['student']['id'])
		if form.validate() == False:
			errors = ''
			if form.question.errors:
				for error in form.question.errors:
					errors += ' '+error
			
			return json.dumps({'status':'ERROR','message':errors});
		else:
			question = request.form['question']
			lesson_id = request.form['lesson_id']
			course_id = request.form['course_id']
			result = self.newStudent_question.add(lesson_id, course_id, student_id, question)
			if(result == 'OK'):
				return json.dumps({'status':'OK'});

			if(result == 'ERROR'):
				return json.dumps({'status':'ERROR'});


	def course_questions(self):
		return render_template("course_questions.html")
Exemplo n.º 4
0
class CourseController():

	def  __init__(self):
		if 'instructor' in session:
			self.loggedIn = True
		else:
			return redirect(url_for('instructor_login'))

		self.newStudent_interest = Student_interest()
		self.newCourse_interest = Course_interest()
		self.newInterest = Interest()
		self.newCourse = Course()
		self.newStudent_subscription = Student_subscription()
		self.newStudent = Student()
		self.newInstructor = Instructor()
		self.newLesson = Lesson()
		self.newStudent_question = Student_question()
		self.newQuestion_response = Question_response()
		self.uploadFolder = 'static/images/courses_cover_photos'
		self.allowedExtensions = set(['png', 'jpg', 'jpeg', 'gif', 'psd'])

	def course_data(self, course_id):
		data = {}
		data['course_lessons'] = []
		data['similar_courses'] = []
		data['loggedIn'] = True
		data['courses'] = []
		data['instructor'] = self.newInstructor.get_instructor_by_name(session['instructor']['name'])
		fields = {"instructor_id":data['instructor']['_id']}

		courses = self.newCourse.get_courses(fields)
		if courses:
			for course in courses:
				course_subscription = self.newStudent_subscription.get_course_subscriptions(course['_id'])
				course['subscribed'] = course_subscription.count()
				questions = self.newStudent_question.get_course_questions(str(course['_id']))
				course['questions'] = questions.count()
				data['courses'].append(course)

		course = self.newCourse.get_course_by_id(ObjectId(course_id))
		data['course'] = course
		if course:
			similar_courses = self.newCourse_interest.get_similar_courses(course['_id'])
			instructor = self.newInstructor.get_instructor_by_id(course['instructor_id'])
			courseLessons = self.newLesson.get_lesson_by_courseId(course['_id'])
			courseDuration = 0
			for lesson in courseLessons:
				courseDuration = int(courseDuration) + int(lesson['duration'])
				data['course_lessons'].append(lesson)

			thisCourse = '';
				

			data['instructor'] = instructor
			data['course_duration'] = courseDuration
			data['similar_courses'] = similar_courses

		return data
		

	def course(self, course_id):
		if self.loggedIn != True:
			return redirect(url_for('instructor_login'))

		data = self.course_data(course_id)
		data['new_course_form'] = CourseForm()
		data['new_course_form'].instructor_id.data = data['instructor']['_id']
		data['new_lesson_form'] = LessonForm()
		data['new_lesson_form'].course_id.data = course_id

			#return jsonify(len(similar_courses))
		if data['course']:
			return render_template("instructor/course.html", data=data)
		else:
			return redirect(url_for('index'))

	def create(self):
		form = CourseForm()

		if request.method == 'POST':
			instructor_id = form.instructor_id.data
			instructor_id = ObjectId(instructor_id)
			if form.validate() == False:
				return redirect(url_for('new_course'))
			else:
				if 'cover_photo' not in request.files:
					flash('No Cover Photo')
					return redirect(url_for('new_course'))
				photo = request.files['cover_photo']
				if photo.filename == '':
					flash('No Photo Selected')
					return redirect(url_for('new_course'))
				if photo and self.allowed_file(photo.filename):
					filename = secure_filename(photo.filename)
					photo.save(os.path.join(self.uploadFolder, filename))
				id = self.newCourse.add(form.title.data, filename, form.description.data, instructor_id)
				return redirect(url_for('instructor_courses'))

		return redirect(url_for('instructor_dashboard'))

	def edit(self, course_id):
		form = EditCourseForm()
		data = {}

		course = self.newCourse.get_course_by_id(ObjectId(course_id))
		data['edit_course_form'] = form
		data['edit_course_form'].course_id.data = course_id
		data['edit_course_form'].title.data = course['title']
		data['edit_course_form'].cover_photo.data = course['cover_photo']
		data['edit_course_form'].description.data = course['description']
		data['course'] = course

		data['instructor'] = self.newInstructor.get_instructor_by_name(session['instructor']['name'])

		return render_template('instructor/edit_course.html', data=data)

	def update(self):
		form = EditCourseForm()
		data = {}

		if request.method == 'POST':
			courseid = form.course_id.data
			course_id = ObjectId(courseid)
			course = self.newCourse.get_course_by_id(course_id)
			if form.validate() == True:
				if 'cover_photo' not in request.files:
					flash('No Cover Photo')
					return redirect(url_for('instructor_edit_course', courseId=course_id))
				photo = request.files['cover_photo']
				if photo.filename == '':
					filename = ''
				if photo and self.allowed_file(photo.filename):
					filename = secure_filename(photo.filename)
					#Add new photo
					photo.save(os.path.join(self.uploadFolder, filename))
					#Remove old photo
					if os.path.isfile(self.uploadFolder+course['cover_photo']):
						os.remove(os.path.join(self.uploadFolder, course['cover_photo']))
				result = self.newCourse.update(course_id, form.title.data, filename, form.description.data)
				if result == 'OK':
					flash('1')
				else:
					flash('0')

				#return jsonify(str(result))
				return redirect(url_for('instructor_edit_course', courseId=course_id))
			else:
				return redirect(url_for('instructor_edit_course', courseId=course_id))

		return redirect(url_for('instructor_dashboard'))


	def lesson(self, lesson_id):
		data = {}
		data['QForm'] = QuestionForm()
		data['course_lessons'] = []
		data['lesson_questions'] = []

		lesson = self.newLesson.get_lesson_by_id(ObjectId(lesson_id))
		course = self.newCourse.get_course_by_id(lesson['course_id'])

		if (lesson):
			#course = self.newCourse.get_course_by_id(lesson['course_id'])
			similar_courses = self.newCourse_interest.get_similar_courses(course['_id'])
			instructor = self.newInstructor.get_instructor_by_id(course['instructor_id'])
			courseLessons = self.newLesson.get_lesson_by_courseId(course['_id'])
			lesson_questions = self.newStudent_question.get_lesson_questions(str(lesson['_id']))
			if lesson_questions.count() > 0:
				for quest in lesson_questions:
					question = {}
					question['student'] = self.newStudent.get_student_by_id(quest['student_id'])['name']
					question['date_asked'] = str(quest['date_asked'])
					question['quest'] = quest 
					question['responses'] = self.newQuestion_response.get_question_responses(str(quest['_id']))
					data['lesson_questions'].append(question)

			courseDuration = 0
			n = 0
			nxt = 0
			prev = ''
			for courseLesson in courseLessons:
				n = n + 1;
				if nxt == 1:
					lesson['nxt'] = courseLesson['title']
					nxt = 0
				if courseLesson['title'] == lesson['title']:
					lesson['prev'] = prev
					nxt = 1

				prev = courseLesson['title']
				courseDuration = int(courseDuration) + int(courseLesson['duration'])
				data['course_lessons'].append(courseLesson)
			

			data['course'] = course
			data['lesson'] = lesson
			data['instructor'] = instructor
			data['course_duration'] = courseDuration
			data['similar_courses'] = similar_courses

			#return jsonify(len(similar_courses))
			return render_template("instructor/lesson.html", data=data)
		else:
			return redirect(url_for('instructor_dashboard'))


	def new_lesson(self):
		form = LessonForm()

		if request.method == 'POST':
			course_id = form.course_id.data
			course_id = ObjectId(course_id)
			if form.validate() == False:
				data = self.course_data(course_id)
				data['new_lesson_form'] = form
				data['new'] = 1
				return render_template('instructor/course.html', data=data)
			else:
				#return jsonify(course_id)
				#course_id = '5a5e2612a8af96b319f84dce'
				#data = self.course_data(str(course_id))
				#duration = request.form['duration']
				id = self.newLesson.add(form.title.data, form.video_url.data, form.description.data, form.duration.data, course_id)
				return redirect(url_for('instructor_course', courseId=course_id))

		return redirect(url_for('instructor_dashboard'))

	def edit_lesson(self, lesson_id):
		form = LessonForm()
		data = {}

		lesson = self.newLesson.get_lesson_by_id(ObjectId(lesson_id))
		course = self.newCourse.get_course_by_id(lesson['course_id'])
		data['edit_lesson_form'] = form
		data['edit_lesson_form'].lesson_id.data = lesson_id
		data['edit_lesson_form'].title.data = lesson['title']
		data['edit_lesson_form'].video_url.data = lesson['video_url']
		data['edit_lesson_form'].description.data = lesson['description']
		data['edit_lesson_form'].duration.data = lesson['duration']
		data['lesson'] = lesson
		data['course'] = course

		data['instructor'] = self.newInstructor.get_instructor_by_name(session['instructor']['name'])

		return render_template('instructor/edit_lesson.html', data=data)

	def update_lesson(self):
		form = LessonForm()
		data = {}

		if request.method == 'POST':
			lesson_id = form.lesson_id.data
			lesson_id = ObjectId(lesson_id)
			lesson = self.newLesson.get_lesson_by_id(lesson_id)
			if form.validate() == True:
				result = self.newLesson.update(lesson_id, form.title.data, form.video_url.data, form.description.data, form.duration.data)
				if result == 'OK':
					flash('1')
				else:
					flash('0')

				#return jsonify(str(result))
				return redirect(url_for('instructor_edit_lesson', lessonId=lesson_id))
			else:
				return redirect(url_for('instructor_edit_lesson', lessonId=lesson_id))

		return redirect(url_for('instructor_dashboard'))


	def course_questions(self, title):
		data = {}
		data['questions'] = []
		course = self.newCourse.get_course_by_title(title)
		questions = self.newStudent_question.get_course_questions(str(course['_id']))
		if questions:
			for question in questions:
				question['student'] = self.newStudent.get_student_by_id(question['student_id'])
				question['lesson'] = self.newLesson.get_lesson_by_id(ObjectId(question['lesson_id']))
				data['questions'].append(question)

			data['course'] = course
			return render_template("instructor/course_questions.html", data=data)

		return redirect(url_for('instructor_dashboard'))


	def allowed_file(self, filename):
		return '.' in filename and \
			filename.rsplit('.', 1)[1].lower() in self.allowedExtensions
Exemplo n.º 5
0
class StudentController():

	def  __init__(self):
		self.newStudent_interest = Student_interest()
		self.newCourse_interest = Course_interest()
		self.newInterest = Interest()
		self.newCourse = Course()
		self.newStudent_subscription = Student_subscription()

	def dashboard(self):
		data = {}
		data['loggedIn'] = False

		if 'student' in session:
			student_id = ObjectId(session['student']['id'])
			student_subscriptions = self.newStudent_subscription.get_student_subscriptions(student_id)
			student_interests = self.newStudent_interest.get_student_interests(session['student']['name'])
			data['selected_interests'] = []
			data['interest_courses'] = []
			data['subscribed'] = []
			if student_interests:
				for interest in student_interests:
					#print(interest)
					myInterest = self.newInterest.get_interest_by_id(interest['interest_id'])
					data['selected_interests'].append(myInterest['name'])
					interest_courses = self.newCourse_interest.get_interest_courses(interest['interest_id'])
					if interest_courses:
						for interest_course in interest_courses:
							course = self.newCourse.get_course_by_id(interest_course['course_id'])
							if course not in data['interest_courses']:
								course_subscription = self.newStudent_subscription.get_course_subscriptions(interest_course['course_id'])
								course['subscribed'] = course_subscription.count()
								data['interest_courses'].append(course)
					 
			if student_subscriptions:
				for subscribed in student_subscriptions:
					course = self.newCourse.get_course_by_id(subscribed['course_id'])
					course_subscription = self.newStudent_subscription.get_course_subscriptions(subscribed['course_id'])
					course['subscribed'] = course_subscription.count()
					data['subscribed'].append(course)

			data['loggedIn'] = True
			data['student'] = session['student']
			data['interests'] = self.newInterest.interests()

			return render_template("dashboard.html", data=data)
		else:
			return redirect(url_for('index'))


	def select_interests(self):
		data = {}
		data['loggedIn'] = False

		if 'student' in session:
			student_interests = self.newStudent_interest.get_student_interests(session['student']['name'])
			data['selected_interests'] = []
			if student_interests:
				for interest in student_interests:
					#print(interest)
					data['selected_interests'].append(interest['interest_id']) 

			data['loggedIn'] = True
			data['student'] = session['student']
			data['interests'] = self.newInterest.interests()

			return render_template("fields.html", data=data)
		else:
			return redirect(url_for('index'))


	def toggle_interests(self):
		if request.method == 'POST':
			newStudent_interest = Student_interest()
			interest = request.form['interest']
			student_name = session['student']['name']
			action = request.form['action']
			if action == 'add':
				data = newStudent_interest.add(student_name, interest)

			if action == 'remove':
				data = newStudent_interest.remove(student_name, interest)
			
			return json.dumps({'status':data});