Merge pull request #794 from adityacp/video_tracking

Basic tracking for video lessons

1 files changed, 35 insertions, 0 deletions

diff --git a/stats/models.py b/stats/models.py
new file mode 100644
index 0000000..95def40
--- /dev/null
+++ b/stats/models.py
@@ -0,0 +1,35 @@
+# Django Imports
+from django.db import models
+from django.utils import timezone
+from django.contrib.auth.models import User
+
+# Local Imports
+from yaksh.models import Course, Lesson
+
+
+class TrackLesson(models.Model):
+    user = models.ForeignKey(User, on_delete=models.CASCADE)
+    course = models.ForeignKey(Course, on_delete=models.CASCADE)
+    lesson = models.ForeignKey(Lesson, on_delete=models.CASCADE)
+    current_time = models.CharField(max_length=100, default="00:00:00")
+    video_duration = models.CharField(max_length=100, default="00:00:00")
+    creation_time = models.DateTimeField(auto_now_add=True)
+
+    class Meta:
+        unique_together = ('user', 'course', 'lesson')
+
+    def get_last_access_time_and_vists(self):
+        lesson_logs = self.lessonlog_set
+        last_access_time = None
+        if lesson_logs.exists():
+            last_access_time = lesson_logs.last().last_access_time
+        return last_access_time, lesson_logs.count()
+
+    def __str__(self):
+        return (f"Track {self.lesson} in {self.course} "
+                f"for {self.user.get_full_name()}")
+
+
+class LessonLog(models.Model):
+    track = models.ForeignKey(TrackLesson, on_delete=models.CASCADE)
+    last_access_time = models.DateTimeField(default=timezone.now)