Merge branch 'master' of https://github.com/FOSSEE/online_test into add-test-cases-for-QRcode-based-upload

1 files changed, 70 insertions, 0 deletions

diff --git a/stats/views.py b/stats/views.py
new file mode 100644
index 0000000..a5cdeb7
--- /dev/null
+++ b/stats/views.py
@@ -0,0 +1,70 @@
+# 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)