Add batching support

openedx/core/djangoapps/video_config/admin.py

@@ -12,7 +12,7 @@ from openedx.core.djangoapps.video_config.forms import (
 from openedx.core.djangoapps.video_config.models import (
     CourseHLSPlaybackEnabledFlag, HLSPlaybackEnabledFlag,
     CourseVideoTranscriptEnabledFlag, VideoTranscriptEnabledFlag,
-    TranscriptMigrationSetting,
+    TranscriptMigrationSetting, MigrationEnqueuedCourse,
 )
 
 
@@ -49,9 +49,23 @@ class CourseVideoTranscriptEnabledFlagAdmin(CourseSpecificEnabledFlagBaseAdmin):
     """
     form = CourseVideoTranscriptFlagAdminForm
 
+
+class MigrationEnqueuedCourseAdmin(admin.ModelAdmin):
+    """
+    Simple, read-only list/search view of the Courses whose transcripts have been migrated to S3.
+    """
+    list_display = [
+        'course_id',
+        'command_run',
+    ]
+
+    search_fields = ['course_id', 'command_run']
+
+
 admin.site.register(HLSPlaybackEnabledFlag, ConfigurationModelAdmin)
 admin.site.register(CourseHLSPlaybackEnabledFlag, CourseHLSPlaybackEnabledFlagAdmin)
 
 admin.site.register(VideoTranscriptEnabledFlag, ConfigurationModelAdmin)
 admin.site.register(CourseVideoTranscriptEnabledFlag, CourseVideoTranscriptEnabledFlagAdmin)
 admin.site.register(TranscriptMigrationSetting, ConfigurationModelAdmin)
+admin.site.register(MigrationEnqueuedCourse, MigrationEnqueuedCourseAdmin)

openedx/core/djangoapps/video_config/migrations/0005_auto_20180719_0752.py

@@ -0,0 +1,35 @@
+# -*- coding: utf-8 -*-
+# Generated by Django 1.11.14 on 2018-07-19 07:52
+from __future__ import unicode_literals
+
+from django.db import migrations, models
+import django.utils.timezone
+import model_utils.fields
+import opaque_keys.edx.django.models
+
+
+class Migration(migrations.Migration):
+
+    dependencies = [
+        ('video_config', '0004_transcriptmigrationsetting_command_run'),
+    ]
+
+    operations = [
+        migrations.CreateModel(
+            name='MigrationEnqueuedCourse',
+            fields=[
+                ('created', model_utils.fields.AutoCreatedField(default=django.utils.timezone.now, editable=False, verbose_name='created')),
+                ('modified', model_utils.fields.AutoLastModifiedField(default=django.utils.timezone.now, editable=False, verbose_name='modified')),
+                ('course_id', opaque_keys.edx.django.models.CourseKeyField(db_index=True, max_length=255, primary_key=True, serialize=False)),
+                ('command_run', models.PositiveIntegerField(default=0)),
+            ],
+            options={
+                'abstract': False,
+            },
+        ),
+        migrations.AddField(
+            model_name='transcriptmigrationsetting',
+            name='batch_size',
+            field=models.PositiveIntegerField(default=0),
+        ),
+    ]

openedx/core/djangoapps/video_config/models.py

@@ -1,8 +1,10 @@
 """
 Configuration models for Video XModule
 """
-from config_models.models import ConfigurationModel
 from django.db.models import BooleanField, TextField, PositiveIntegerField
+
+from config_models.models import ConfigurationModel
+from model_utils.models import TimeStampedModel
 from opaque_keys.edx.django.models import CourseKeyField
 
 
@@ -150,6 +152,7 @@ class TranscriptMigrationSetting(ConfigurationModel):
         help_text="Flag to force migrate transcripts for the requested courses, overwrite if already present."
     )
     command_run = PositiveIntegerField(default=0)
+    batch_size = PositiveIntegerField(default=0)
     commit = BooleanField(
         default=False,
         help_text="Dry-run or commit."
@@ -170,3 +173,16 @@ class TranscriptMigrationSetting(ConfigurationModel):
         self.command_run += 1
         self.save()
         return self.command_run
+
+
+class MigrationEnqueuedCourse(TimeStampedModel):
+    """
+    Temporary model to persist the course IDs who has been enqueued for transcripts migration to S3.
+    """
+    course_id = CourseKeyField(db_index=True, primary_key=True, max_length=255)
+    command_run = PositiveIntegerField(default=0)
+
+    def __unicode__(self):
+        return u'MigrationEnqueuedCourse: ID={course_id}, Run={command_run}'.format(
+            course_id=self.course_id, command_run=self.command_run
+        )