feat(read stats): users should see their read stats:

   -  user can view most recent 10 reads
[Finishes #164798223]

authors/apps/articles/migrations/0004_readingstats.py

@@ -0,0 +1,24 @@
+# Generated by Django 2.2 on 2019-04-15 21:41
+
+from django.conf import settings
+from django.db import migrations, models
+import django.db.models.deletion
+
+
+class Migration(migrations.Migration):
+
+    dependencies = [
+        migrations.swappable_dependency(settings.AUTH_USER_MODEL),
+        ('articles', '0003_article_favorite'),
+    ]
+
+    operations = [
+        migrations.CreateModel(
+            name='ReadingStats',
+            fields=[
+                ('id', models.AutoField(auto_created=True, primary_key=True, serialize=False, verbose_name='ID')),
+                ('article', models.ForeignKey(blank=True, on_delete=django.db.models.deletion.CASCADE, to='articles.Article')),
+                ('user', models.ForeignKey(on_delete=django.db.models.deletion.CASCADE, to=settings.AUTH_USER_MODEL)),
+            ],
+        ),
+    ]

authors/apps/articles/models.py

@@ -61,4 +61,6 @@ class ArticleLikeDislike(models.Model):
     createdAt = models.DateTimeField(auto_now_add=True)
 
 
-
+class ReadingStats(models.Model):
+    user = models.ForeignKey(User, on_delete=models.CASCADE)
+    article = models.ForeignKey(Article, on_delete=models.CASCADE, blank=True)

authors/apps/articles/serializers.py

@@ -4,6 +4,7 @@
 from .models import Article
 from authors.apps.comments.models import Comment
 from authors.apps.comments.serializers import CommentDetailSerializer
+from authors.apps.authentication.serializers import UserSerializer
 from authors.apps.helpers.share_articles import share_articles_links
 
 
@@ -64,3 +65,9 @@ class Meta:
             'article': {'write_only': True},
         }
 
+
+class ReadingStatsSerializer(serializers.ModelSerializer):
+    article = ArticleSerializer(read_only=True)
+    class Meta:
+        fields = ["article"]
+        model = models.ReadingStats

authors/apps/articles/tests/test_articles.py

@@ -146,6 +146,10 @@ def test_favorite_list(self):
         response2 = self.client.get(f'/api/users/articles/favorites', HTTP_AUTHORIZATION=user_token, format='json')
         self.assertEqual(response2.status_code, status.HTTP_200_OK)
 
+    def test_read_stats(self):
+        user_token = self.create_user(test_data.test_user_data)
+        response2 = self.client.get(f'/api/users/articles/most-recent-reads', HTTP_AUTHORIZATION=user_token, format='json')
+        self.assertEqual(response2.status_code, status.HTTP_200_OK)
 
     def test_article_contains_share_links(self):
         """

authors/apps/articles/views.py

@@ -1,6 +1,6 @@
 from django.shortcuts import get_object_or_404, render
 from rest_framework import generics ,status
-from .models import Article, ArticleLikeDislike
+from .models import Article, ArticleLikeDislike, ReadingStats
 from authors.apps.profiles.models import Profile
 from . import serializers
 from rest_framework.response import Response
@@ -40,7 +40,7 @@ def get_serializer_context(self):
     def create(self, request):
         article = request.data
 
-        serializer = self.serializer_class(data=article, context={'request':self.request})
+        serializer = self.serializer_class(data=article, context=self.get_serializer_context())
 
         author = Profile.objects.get(username=self.request.user.username)
         serializer.is_valid(raise_exception=True)
@@ -61,6 +61,14 @@ class RetrieveUpdateDestroyArticle(generics.RetrieveUpdateDestroyAPIView):
     serializer_class = serializers.ArticleSerializer
     lookup_field = 'slug'
 
+
+    def get(self, request, *args, **kwargs):
+        user = request.user
+        article = self.get_object()
+        ReadingStats.objects.create(article=article, user=user)
+        serializer = serializers.ArticleSerializer(article, context=self.get_serializer_context())
+        return Response(serializer.data, status=status.HTTP_200_OK)
+
 
 
 

authors/apps/authentication/urls.py

@@ -3,8 +3,8 @@
 from .views import (
     LoginAPIView, RegistrationAPIView, 
     UserRetrieveUpdateAPIView, FacebookAuthApiView, 
-    GoogleAuthApiView, TwitterAuthApiView, VerifyUserAPIView, FavoritesList,
-    PasswordChangeView,PasswordResetView
+    GoogleAuthApiView, TwitterAuthApiView, VerifyUserAPIView, FavoritesList, 
+    PasswordChangeView, PasswordResetView, ReadingStatsView
 )
 
 urlpatterns = [
@@ -17,6 +17,6 @@
     path('users/verify/', VerifyUserAPIView.as_view(), name='verify-user'),
     path('users/articles/favorites', FavoritesList.as_view(), name='favorites'),
     path('users/password-reset/', PasswordResetView.as_view(), name='reset-password'),
-    path('users/reset/<str:token>/change/', PasswordChangeView.as_view(), name='password-change')
-
+    path('users/reset/<str:token>/change/', PasswordChangeView.as_view(), name='password-change'),
+    path('users/articles/most-recent-reads', ReadingStatsView.as_view(), name='read-stats'),
 ]

authors/apps/authentication/views.py

@@ -22,6 +22,8 @@
 from authors import settings
 from authors.settings import SECRET_KEY
 
+from authors.apps.articles.models import Article, ReadingStats
+from authors.apps.articles import serializers, models
 
 class RegistrationAPIView(GenericAPIView):
     # Allow any user (authenticated or not) to hit this endpoint.
@@ -207,3 +209,22 @@ def put(self, request, *args, **kwargs):
             {"error": "Passwords do not match"},
             status=status.HTTP_400_BAD_REQUEST
             )
+
+class ReadingStatsView(generics.ListAPIView):
+    """
+    The user should be able to see ten of their most recent reads
+    """
+    permission_classes = [IsAuthenticated]
+    queryset = models.ReadingStats.objects.all()
+    serializer_class = serializers.ReadingStatsSerializer
+
+    def get_serializer_context(self):
+        return {
+            'request': self.request
+        }
+
+    def get(self, request):
+        current_user_id = request.user.id
+        user_recent_reads = reversed(ReadingStats.objects.filter(user_id=current_user_id).distinct('article_id')[:10])
+        serializer = self.serializer_class(user_recent_reads, context=self.get_serializer_context(), many=True)
+        return Response(serializer.data, status=status.HTTP_200_OK)