Merge branch 'feature/will-also-like-news' into 'develop'

Feature/will also like news

See merge request gm/gm-backend!34

apps/news/models.py

@@ -5,6 +5,7 @@ from django.utils import timezone
 from django.utils.translation import gettext_lazy as _
 from rest_framework.reverse import reverse
 from utils.models import BaseAttributes, TJSONField, TranslatedFieldsMixin
+from random import sample as random_sample
 
 
 class NewsType(models.Model):
@@ -138,3 +139,21 @@ class News(BaseAttributes, TranslatedFieldsMixin):
     @property
     def web_url(self):
         return reverse('web:news:rud', kwargs={'slug': self.slug})
+
+    @property
+    def list_also_like_news(self):
+
+        # without "distinct" method the doubles are arising
+        like_news = News.objects.published().filter(news_type=self.news_type, tags__in=models.F("tags"))\
+            .exclude(id=self.id).distinct()
+
+        news_count = like_news.count()
+
+        if news_count >= 6:
+            random_ids = random_sample(range(news_count), 6)
+        else:
+            random_ids = random_sample(range(news_count), news_count)
+
+        news_list = [{"id": like_news[r].id, "slug": like_news[r].slug} for r in random_ids]
+
+        return news_list

apps/news/serializers.py

@@ -67,6 +67,7 @@ class NewsDetailSerializer(NewsBaseSerializer):
             'state_display',
             'author',
             'country',
+            'list_also_like_news',
         )