Adding translation into VideoFile model

courses/migrations/0031_auto_20210727_1145.py

+# Generated by Django 2.2.24 on 2021-07-27 14:45
+
+import courses.videos.models
+from django.db import migrations, models
+import django.db.models.deletion
+
+
+class Migration(migrations.Migration):
+
+    dependencies = [
+        ('courses', '0030_videofile'),
+    ]
+
+    operations = [
+        migrations.AddField(
+            model_name='videofile',
+            name='file_en',
+            field=models.FileField(default=None, null=True, upload_to=courses.videos.models.get_upload_path),
+        ),
+        migrations.AddField(
+            model_name='videofile',
+            name='file_es',
+            field=models.FileField(default=None, null=True, upload_to=courses.videos.models.get_upload_path),
+        ),
+        migrations.AddField(
+            model_name='videofile',
+            name='file_pt_br',
+            field=models.FileField(default=None, null=True, upload_to=courses.videos.models.get_upload_path),
+        ),
+        migrations.AddField(
+            model_name='videofile',
+            name='name_en',
+            field=models.CharField(max_length=255, null=True),
+        ),
+        migrations.AddField(
+            model_name='videofile',
+            name='name_es',
+            field=models.CharField(max_length=255, null=True),
+        ),
+        migrations.AddField(
+            model_name='videofile',
+            name='name_pt_br',
+            field=models.CharField(max_length=255, null=True),
+        ),
+        migrations.AddField(
+            model_name='videofile',
+            name='video_en',
+            field=models.OneToOneField(blank=True, null=True, on_delete=django.db.models.deletion.CASCADE, related_name='file', to='courses.Video', verbose_name='file'),
+        ),
+        migrations.AddField(
+            model_name='videofile',
+            name='video_es',
+            field=models.OneToOneField(blank=True, null=True, on_delete=django.db.models.deletion.CASCADE, related_name='file', to='courses.Video', verbose_name='file'),
+        ),
+        migrations.AddField(
+            model_name='videofile',
+            name='video_pt_br',
+            field=models.OneToOneField(blank=True, null=True, on_delete=django.db.models.deletion.CASCADE, related_name='file', to='courses.Video', verbose_name='file'),
+        ),
+    ]

courses/translation.py

@@ -2,6 +2,7 @@ from modeltranslation.translator import register, TranslationOptions
 from .models import Course, Lesson, Unit, ProfessorMessage
 from .course_material.models import CourseMaterial, File
 from .stats.models import AccessibleArea
+from .videos.models import VideoFile
 from .certification.models import CertificateTemplate
 
 
@@ -49,3 +50,7 @@ class CertificateTemplateTranslationOptions(TranslationOptions):
               'base_logo', 'signature', 'second_signature', 'site_logo',
               'organization_name', 'text')
 
+
+@register(VideoFile)
+class VideoFileTranslationOptions(TranslationOptions):
+    fields = ('name', 'file', 'video')

courses/videos/serializers.py

 from rest_framework import serializers
-
+from modeltranslation.utils import fallbacks
 from .models import Video, VideoFile
 
 
@@ -9,6 +9,12 @@ class VideoFileSerializer(serializers.ModelSerializer):
         model = VideoFile
         fields = ('id', 'name', 'video', 'file')
 
+    def get_file(self, obj):
+        with fallbacks(False):
+            files = VideoFileSerializer(required=False, allow_null=True, read_only=True, **{'context': self.context}).data
+            files = [f for f in files if f['file'] != None]
+            return files
+
 
 class VideoSerializer(serializers.ModelSerializer):
 
@@ -16,4 +22,8 @@ class VideoSerializer(serializers.ModelSerializer):
         model = Video
         fields = ('id', 'name', 'youtube_id', 'file')
 
-    file = VideoFileSerializer(required=False, allow_null=True, read_only=True)
+    def get_file(self, obj):
+        with fallbacks(False):
+            files = VideoFileSerializer(required=False, allow_null=True, read_only=True, **{'context': self.context}).data
+            files = [f for f in files if f['file'] != None]
+            return files