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# Django Imports
from django.shortcuts import render, get_object_or_404
from django.http import JsonResponse
from django.utils import timezone
from django.contrib.auth.decorators import login_required
from django.core.paginator import Paginator
from django.http import Http404
# Local Imports
from stats.models import TrackLesson, LessonLog, str_to_time, time_to_seconds
from yaksh.models import Course
from yaksh.decorators import email_verified
@login_required
@email_verified
def add_tracker(request, tracker_id):
user = request.user
track = get_object_or_404(
TrackLesson.objects.select_related("course"), id=tracker_id
)
if not track.course.is_student(user):
raise Http404("You are not enrolled in this course")
context = {}
video_duration = request.POST.get('video_duration')
current_time = request.POST.get('current_video_time')
if current_time:
track.set_current_time(current_time)
track.video_duration = video_duration
track.save()
if not track.watched:
track.set_watched()
track.save()
LessonLog.objects.create(
track_id=track.id, current_time=current_time,
last_access_time=timezone.now()
)
success = True
else:
success = False
context = {"success": success}
return JsonResponse(context)
@login_required
@email_verified
def view_lesson_watch_stats(request, course_id, lesson_id):
user = request.user
course = get_object_or_404(
Course.objects.prefetch_related("students"), id=course_id
)
if not course.is_creator(user) and not course.is_teacher(user):
raise Http404('This course does not belong to you')
trackings = TrackLesson.objects.get_queryset().filter(
course_id=course_id, lesson_id=lesson_id
).order_by("id")
percentage_data = TrackLesson.objects.get_percentage_data(trackings)
visited = trackings.count()
completed = trackings.filter(watched=True).count()
students_total = course.students.count()
paginator = Paginator(trackings, 30)
page = request.GET.get('page')
trackings = paginator.get_page(page)
context = {
'objects': trackings, 'total': visited, 'course_id': course_id,
'lesson_id': lesson_id, "percentage_data": percentage_data,
'completion': [completed, students_total-completed, students_total],
'visits': [visited, students_total-visited, students_total]
}
return render(request, 'view_lesson_tracking.html', context)
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