Committing the implementation of lecture activity frame recordings.

FirstApp/MongoModels.py

@@ -189,9 +189,9 @@ class LectureActivityFrameGroupings(models.Model):
 # this abstract class will contain lecture activity frame recognition details
 class LectureActivityFrameRecognitionDetails(models.Model):
     frame_name = models.CharField(max_length=15)
-    phone_perct = models.DecimalField(default=0.0, max_digits=3, decimal_places=1)
-    listen_perct = models.DecimalField(default=0.0, max_digits=3, decimal_places=1)
-    note_perct = models.DecimalField(default=0.0, max_digits=3, decimal_places=1)
+    phone_perct = models.FloatField()
+    listen_perct = models.FloatField()
+    note_perct = models.FloatField()
 
     class Meta:
         abstract = True

FirstApp/api.py

@@ -361,8 +361,59 @@ class GetLectureActivityRecognitionsForFrames(APIView):
 
     def get(self, request):
         video_name = request.query_params.get('video_name')
+
+        # finding the existence of Lecture activity frame recognition record
+        isExist = LectureActivityFrameRecognitions.objects.filter(lecture_activity_id__lecture_video_id__video_name=video_name).exists()
+
+        if (isExist):
+            lecture_activity_frame_recognitions = LectureActivityFrameRecognitions.objects.filter(lecture_activity_id__lecture_video_id__video_name=video_name)
+            lecture_activity_frame_recognitions_ser = LectureActivityFrameRecognitionsSerializer(lecture_activity_frame_recognitions, many=True)
+            lecture_activity_frame_recognitions_data = lecture_activity_frame_recognitions_ser.data[0]
+
+            frame_detections = lecture_activity_frame_recognitions_data['frame_recognition_details']
+
+            return Response({
+                "response": frame_detections
+            })
+
+        else:
+
+            # retrieve the lecture activity id
+            lec_activity = LectureActivity.objects.filter(lecture_video_id__video_name=video_name)
+            lec_activity_ser = LectureActivitySerializer(lec_activity, many=True)
+            lec_activity_data = lec_activity_ser.data[0]
+            lec_activity_id = lec_activity_data['id']
+
+            # create a new lecture activity frame detections id
+            last_lec_activity_frame_recognitions = LectureActivityFrameRecognitions.objects.order_by('lecture_activity_frame_recognition_id').last()
+            new_lecture_activity_frame_recognitions_id = "LAFR00001" if (last_lec_activity_frame_recognitions is None) else \
+                ig.generate_new_id(last_lec_activity_frame_recognitions.lecture_activity_frame_recognition_id)
+
+
+            # calculate the frame detections
             frame_detections = ar.get_frame_activity_recognition(video_name)
 
+            frame_recognition_details = []
+
+            # save the new lecture activity frame recognitions
+            for detection in frame_detections:
+                lec_activity_frame_recognition_details = LectureActivityFrameRecognitionDetails()
+                lec_activity_frame_recognition_details.frame_name = detection['frame_name']
+                lec_activity_frame_recognition_details.phone_perct = detection['phone_perct']
+                lec_activity_frame_recognition_details.listen_perct = detection['listening_perct']
+                lec_activity_frame_recognition_details.note_perct = detection['note_perct']
+
+                frame_recognition_details.append(lec_activity_frame_recognition_details)
+
+
+            lec_activity_frame_recognitions = LectureActivityFrameRecognitions()
+            lec_activity_frame_recognitions.lecture_activity_frame_recognition_id = new_lecture_activity_frame_recognitions_id
+            lec_activity_frame_recognitions.lecture_activity_id_id = lec_activity_id
+            lec_activity_frame_recognitions.frame_recognition_details = frame_recognition_details
+
+            lec_activity_frame_recognitions.save()
+
+
             return Response({
                 "response": frame_detections
             })

FirstApp/serializers.py

@@ -289,6 +289,7 @@ class LectureActivityFrameRecognitionsSerializer(serializers.ModelSerializer):
     lecture_activity_id = LectureActivitySerializer()
     frame_recognition_details = serializers.SerializerMethodField()
 
+    # this method will be used to serialize the 'frame_recogition_details' field
     def get_frame_recognition_details(self, obj):
 
         return_data = []
@@ -297,9 +298,9 @@ class LectureActivityFrameRecognitionsSerializer(serializers.ModelSerializer):
             recognition = {}
 
             recognition["frame_name"] = frame_recognition.frame_name
-            recognition["phone_perct"] = frame_recognition.frame_name
-            recognition["listen_perct"] = frame_recognition.frame_name
-            recognition["note_perct"] = frame_recognition.frame_name
+            recognition["phone_perct"] = frame_recognition.phone_perct
+            recognition["listen_perct"] = frame_recognition.listen_perct
+            recognition["note_perct"] = frame_recognition.note_perct
 
             return_data.append(recognition)
 
@@ -307,6 +308,11 @@ class LectureActivityFrameRecognitionsSerializer(serializers.ModelSerializer):
         return return_data
 
 
+    class Meta:
+        model = LectureActivityFrameRecognitions
+        fields = '__all__'
+
+
 
 # EMOTIONS section
 # lecture emotions serailzier