Remove WordTranslation model

This seems to cause more trouble than not. We may re-add it with
different concepts

words/migrations/0005_remove_translations.py

@@ -0,0 +1,86 @@
+# -*- coding: utf-8 -*-
+from __future__ import unicode_literals
+
+from django.db import migrations, models
+import django.utils.timezone
+from django.conf import settings
+
+def migrate_words(apps, schema_editor):
+    Word = apps.get_model('words', 'Word')
+    WordTranslation = apps.get_model('words', 'WordTranslation')
+
+    for translation in WordTranslation.objects.all(): # pragma: no cover
+        word = translation.word
+        if word.word is not None:
+            word = Word.objects.create()
+
+        word.word = translation.word
+        word.language = translation.language
+        word.added_by = translation.added_by
+        word.added_at = translation.added_at
+        word.save()
+
+class Migration(migrations.Migration):
+
+    dependencies = [
+        migrations.swappable_dependency(settings.AUTH_USER_MODEL),
+        ('words', '0004_work_upload_time'),
+    ]
+
+    operations = [
+        migrations.AlterUniqueTogether(
+            name='wordtranslation',
+            unique_together=set([]),
+        ),
+        migrations.RemoveField(
+            model_name='wordtranslation',
+            name='added_by',
+        ),
+        migrations.RemoveField(
+            model_name='wordtranslation',
+            name='word',
+        ),
+        migrations.AddField(
+            model_name='word',
+            name='added_at',
+            field=models.DateTimeField(default=django.utils.timezone.now),
+        ),
+        migrations.AddField(
+            model_name='word',
+            name='added_by',
+            field=models.ForeignKey(null=True, to=settings.AUTH_USER_MODEL),
+        ),
+        migrations.AddField(
+            model_name='word',
+            name='language',
+            field=models.CharField(null=True, max_length=5),
+        ),
+        migrations.AddField(
+            model_name='word',
+            name='word',
+            field=models.CharField(null=True, max_length=100),
+        ),
+        migrations.RunPython(migrate_words),
+        migrations.AlterUniqueTogether(
+            name='word',
+            unique_together=set([('language', 'word')]),
+        ),
+        migrations.DeleteModel(
+            name='WordTranslation',
+        ),
+        migrations.AlterField(
+            model_name='word',
+            name='added_by',
+            field=models.ForeignKey(to=settings.AUTH_USER_MODEL),
+        ),
+        migrations.AlterField(
+            model_name='word',
+            name='language',
+            field=models.CharField(max_length=5),
+        ),
+        migrations.AlterField(
+            model_name='word',
+            name='word',
+            field=models.CharField(max_length=100),
+        ),
+    ]