Update to onetoone

Update rating annotation
Add migrations

apps/news/migrations/0035_news_views_count.py

@@ -0,0 +1,20 @@
+# Generated by Django 2.2.4 on 2019-11-14 20:43
+
+from django.db import migrations, models
+import django.db.models.deletion
+
+
+class Migration(migrations.Migration):
+
+    dependencies = [
+        ('rating', '0004_auto_20191114_2041'),
+        ('news', '0034_merge_20191030_1714'),
+    ]
+
+    operations = [
+        migrations.AddField(
+            model_name='news',
+            name='views_count',
+            field=models.OneToOneField(blank=True, null=True, on_delete=django.db.models.deletion.SET_NULL, to='rating.ViewCount'),
+        ),
+    ]

apps/news/models.py

@@ -37,7 +37,8 @@ class NewsQuerySet(TranslationQuerysetMixin):
         return self.order_by('-start')
 
     def rating_value(self):
-        return self.annotate(rating=models.Count('ratings__ip', distinct=True))
+        # return self.annotate(rating=models.Count('ratings__ip', distinct=True))
+        return self.annotate(rating='views_count__count') # TODO: совместить новый и старый функционал
 
     def with_base_related(self):
         """Return qs with related objects."""
@@ -182,7 +183,7 @@ class News(BaseAttributes, TranslatedFieldsMixin):
     tags = models.ManyToManyField('tag.Tag', related_name='news',
                                   verbose_name=_('Tags'))
     gallery = models.ManyToManyField('gallery.Image', through='news.NewsGallery')
-    views_count = generic.GenericRelation(ViewCount, blank=True, null=True)
+    views_count = models.OneToOneField('rating.ViewCount', blank=True, null=True, on_delete=models.SET_NULL)
     ratings = generic.GenericRelation(Rating)
     favorites = generic.GenericRelation(to='favorites.Favorites')
     agenda = models.ForeignKey('news.Agenda', blank=True, null=True,

apps/rating/migrations/0004_auto_20191114_2041.py

@@ -0,0 +1,25 @@
+# Generated by Django 2.2.4 on 2019-11-14 20:41
+
+from django.db import migrations
+
+
+class Migration(migrations.Migration):
+
+    dependencies = [
+        ('rating', '0003_viewcount'),
+    ]
+
+    operations = [
+        migrations.AlterUniqueTogether(
+            name='viewcount',
+            unique_together=set(),
+        ),
+        migrations.RemoveField(
+            model_name='viewcount',
+            name='content_type',
+        ),
+        migrations.RemoveField(
+            model_name='viewcount',
+            name='object_id',
+        ),
+    ]

apps/rating/models.py

@@ -23,18 +23,4 @@ class Rating(models.Model):
 
 
 class ViewCount(models.Model):
-    content_type = models.ForeignKey(ContentType, on_delete=models.CASCADE)
-    object_id = models.PositiveIntegerField()
-    content_object = GenericForeignKey('content_type', 'object_id')
     count = models.IntegerField()
-
-    class Meta:
-        unique_together = ('object_id', 'content_type')
-
-    @property
-    def name(self):
-        # Check if Generic obj has name or title
-        if hasattr(self.content_object, 'name'):
-            return self.content_object.name
-        if hasattr(self.content_object, 'title'):
-            return self.content_object.title_translated

apps/rating/transfer_data.py

@@ -17,10 +17,13 @@ def transfer_news_view_count():
             continue
 
         view_count = ViewCount.objects.create(
-            count=mysql_views_count.count,
-            content_object=news_object
+            count=mysql_views_count.count
         )
 
+        news_object.views_count = view_count
+        news_object.save()
+
+
 data_types = {
     "rating_count": [transfer_news_view_count]
 }