added default image for news types

apps/news/models.py

@@ -16,7 +16,7 @@ from main.models import Carousel
 from rating.models import Rating, ViewCount
 from utils.models import (BaseAttributes, TJSONField, TranslatedFieldsMixin, HasTagsMixin,
                           ProjectBaseMixin, GalleryMixin, IntermediateGalleryModelMixin,
-                          FavoritesMixin)
+                          FavoritesMixin, TypeDefaultImageMixin)
 from utils.querysets import TranslationQuerysetMixin
 from datetime import datetime
 
@@ -49,13 +49,18 @@ class NewsBanner(ProjectBaseMixin, TranslatedFieldsMixin):
                                   blank=True, null=True, default=None)
 
 
-class NewsType(models.Model):
+class NewsType(ProjectBaseMixin, TypeDefaultImageMixin):
     """NewsType model."""
 
     name = models.CharField(_('name'), max_length=250)
     tag_categories = models.ManyToManyField('tag.TagCategory',
                                             related_name='news_types')
 
+    default_image = models.ForeignKey('gallery.Image', on_delete=models.SET_NULL,
+                                      related_name='news_types',
+                                      blank=True, null=True, default=None,
+                                      verbose_name='default image')
+
     class Meta:
         """Meta class."""
 

apps/news/serializers.py

@@ -62,12 +62,14 @@ class NewsBannerSerializer(ProjectModelSerializer):
 
 class NewsTypeSerializer(serializers.ModelSerializer):
     """News type serializer."""
+    default_image_url = serializers.ImageField(source='default_image.image',
+                                               allow_null=True)
 
     class Meta:
         """Meta class."""
 
         model = models.NewsType
-        fields = ('id', 'name')
+        fields = ('id', 'name', 'default_image_url')
 
 
 class NewsBaseSerializer(ProjectModelSerializer):