Merge de90565 into fb965ce

.codeclimate.yml

@@ -0,0 +1,13 @@
+---
+version: "2"
+prepare:
+  check:
+    enabled: true
+plugins:
+  shellcheck:
+    enabled: true
+exclude_patterns:
+  - "**/migrations/"
+  - "**/tests/"
+  - "**/*.md"
+

authors/apps/articles/migrations/0001_initial.py

@@ -1,4 +1,5 @@
-# Generated by Django 2.1.5 on 2019-03-12 14:56
+# Generated by Django 2.1.5 on 2019-03-14 07:12
+
 from django.db import migrations, models
 import django.db.models.deletion
 
@@ -8,7 +9,6 @@ class Migration(migrations.Migration):
     initial = True
 
     dependencies = [
-        ('profiles', '0001_initial'),
     ]
 
     operations = [
@@ -20,14 +20,24 @@ class Migration(migrations.Migration):
                 ('body', models.TextField()),
                 ('slug', models.SlugField(blank=True, unique=True)),
                 ('description', models.CharField(max_length=100)),
-                 ('created_at', models.DateTimeField(auto_now_add=True)),
+                ('likes', models.IntegerField(default=0)),
+                ('dislikes', models.IntegerField(default=0)),
+                ('created_at', models.DateTimeField(auto_now_add=True)),
                 ('updated_at', models.DateTimeField(auto_now=True, null=True)),
                 ('image', models.URLField(blank=True)),
-                ('author', models.ForeignKey(on_delete=django.db.models.deletion.CASCADE, to='profiles.Profile')),
             ],
             options={
                 'ordering': ['-created_at'],
                 'get_latest_by': ['id'],
             },
         ),
+        migrations.CreateModel(
+            name='ArticleLikesDislikes',
+            fields=[
+                ('id', models.AutoField(auto_created=True, primary_key=True, serialize=False, verbose_name='ID')),
+                ('likes', models.BooleanField(default=False, null=True)),
+                ('created_at', models.DateTimeField(auto_now_add=True)),
+                ('article', models.ForeignKey(on_delete=django.db.models.deletion.CASCADE, to='articles.Article')),
+            ],
+        ),
     ]

authors/apps/articles/migrations/0002_auto_20190314_0712.py

@@ -0,0 +1,30 @@
+# Generated by Django 2.1.5 on 2019-03-14 07:12
+
+from django.db import migrations, models
+import django.db.models.deletion
+
+
+class Migration(migrations.Migration):
+
+    initial = True
+
+    dependencies = [
+        ('articles', '0001_initial'),
+        ('profiles', '0001_initial'),
+    ]
+
+    operations = [
+        migrations.AddField(
+            model_name='articlelikesdislikes',
+            name='user',
+            field=models.ForeignKey(
+                on_delete=django.db.models.deletion.CASCADE,
+                to='profiles.Profile'
+            ),
+        ),
+        migrations.AddField(
+            name='author',
+            model_name='article',
+            field=models.ForeignKey(on_delete=django.db.models.deletion.CASCADE, to='profiles.Profile'),
+        ),
+    ]

authors/apps/articles/models.py

@@ -8,6 +8,8 @@ class Article(models.Model):
     body = models.TextField()
     slug = models.SlugField(unique=True, blank=True)
     description = models.CharField(max_length=100)
+    likes = models.IntegerField(default=0)
+    dislikes = models.IntegerField(default=0)
     created_at = models.DateTimeField(auto_now_add=True)
     updated_at = models.DateTimeField(auto_now=True, null=True)
     image = models.URLField(blank=True)
@@ -18,3 +20,10 @@ class Meta:
 
     def __str__(self):
         return f"{self.title}"
+
+
+class ArticleLikesDislikes(models.Model):
+    user = models.ForeignKey(Profile, on_delete=models.CASCADE)
+    article = models.ForeignKey(Article, on_delete=models.CASCADE)
+    likes = models.BooleanField(default=False, null=True)
+    created_at = models.DateTimeField(auto_now_add=True)

authors/apps/articles/serializers.py

@@ -1,5 +1,5 @@
 from rest_framework import serializers
-from .models import Article
+from .models import Article, ArticleLikesDislikes
 
 from ..profiles.serializers import ProfileSerializer
 
@@ -20,10 +20,30 @@ class Meta:
             "body",
             "author",
             "image",
+            "likes",
+            "dislikes",
         )
         read_only_fields = (
             'author',
             'slug',
             'created_at',
             'updated_at',
         )
+
+
+class ArticleLikeDislikeSerializer(serializers.ModelSerializer):
+
+    class Meta:
+        model = ArticleLikesDislikes
+
+        fields = (
+            'user',
+            'article',
+            'likes',
+            'created_at'
+        )
+
+        extra_kwargs = {
+            'user': {'write_only': True},
+            'article': {'write_only': True},
+        }

authors/apps/articles/tests/base_class.py

@@ -1,6 +1,7 @@
 from rest_framework.reverse import reverse
 from authors.apps.authentication.tests import test_base
 from .test_data import valid_article
+from ..models import Article
 
 
 class ArticlesBaseTest(test_base.BaseTest):
@@ -13,3 +14,15 @@ def add_article(self):
         self.client.post(self.articles_url,
                                     data=valid_article,
                                     format='json')
+
+    def like_article(self):
+        article = Article.objects.all().first()
+        return self.client.post(
+            reverse(
+                'articles:article-like',
+                kwargs={
+                    "slug": article.slug
+                }
+            ),
+            format='json'
+        )

authors/apps/articles/tests/test_articles.py

@@ -142,3 +142,19 @@ def test_delete_innexistent_article(self):
             'errors': 'that article was not found'}
         self.assertDictEqual(expected_dict, response.data)
         self.assertEqual(response.status_code, status.HTTP_404_NOT_FOUND)
+
+    def test_successful_article_like(self):
+        """Tests if a user can like an article successfully."""
+        self.add_article()
+        article = Article.objects.all().first()
+        response = self.like_article()
+        self.assertEqual(response.data['details']['likes'], True)
+        self.assertEqual(response.status_code, status.HTTP_200_OK)
+
+    def test_successful_article_dislike(self):
+        """Tests if a user can like an article successfully."""
+        self.add_article()
+        self.like_article()
+        response = self.like_article()
+        self.assertEqual(response.data['details']['likes'], False)
+        self.assertEqual(response.status_code, status.HTTP_200_OK)

authors/apps/articles/urls.py

@@ -1,8 +1,20 @@
 from django.urls import path
 
-from .views import ArticlesApiView, ArticleDetailApiView
+from .views import (
+        ArticlesApiView, ArticleDetailApiView,
+        ArticleLikeApiView,
+    )
+
 urlpatterns = [
     path('articles/', ArticlesApiView.as_view(), name='articles'),
-    path('articles/<slug>/', ArticleDetailApiView.as_view(),
-         name='article-detail'),
+    path(
+        'articles/<slug>/',
+        ArticleDetailApiView.as_view(),
+        name='article-detail'
+    ),
+    path(
+        'articles/<slug>/like/',
+        ArticleLikeApiView.as_view(),
+        name='article-like'
+    ),
 ]

authors/apps/articles/views.py

@@ -7,7 +7,7 @@
 )
 from .renderers import ArticleJSONRenderer
 from .utils import Utils
-from authors.apps.articles.models import Article
+from authors.apps.articles.models import Article, ArticleLikesDislikes
 from ..profiles.models import Profile
 
 
@@ -92,3 +92,56 @@ def delete(self, request, slug):
 
     def get_object(self, slug):
         return Article.objects.filter(slug=slug).first()
+
+
+class ArticleLikeApiView(generics.GenericAPIView):
+
+    serializer_class = serializers.ArticleLikeDislikeSerializer
+
+    def post(self, request, slug):
+        """This function enables a user to like or dislike an article."""
+        article = Article.objects.filter(slug=slug).first()
+        liked_article = ArticleLikesDislikes.objects.filter(
+            article_id=article.id,
+            user_id=request.user.id
+        )
+
+        if len(liked_article) <= 0:
+            # when a user likes the article for the first time
+            # the article is liked.
+            serializer_data = self.serializer_class(data={
+                "user": request.user.id,
+                "article": article.id,
+                "likes": True
+            })
+            serializer_data.is_valid(raise_exception=True)
+            serializer_data.save()
+            data = {
+                "article": article.title,
+                "username": request.user.username,
+                "details": serializer_data.data
+            }
+        else:
+            # this section is triggered when a user clicks the endpoint the
+            # the second time, and it is toggled
+            value = not ((liked_article.first()).likes)
+            liked_article.update(likes=value)
+            data = {
+                "article": article.title,
+                "username": request.user.username,
+                "details": {
+                    "likes": liked_article.first().likes,
+                    "created_at": liked_article.first().created_at
+                }
+            }
+        # updates the number of likes and dislikes of a given article
+        likes = ArticleLikesDislikes.objects.filter(
+            article_id=article.id, likes=True)
+        dislikes = ArticleLikesDislikes.objects.filter(
+            article_id=article.id, likes=False)
+        Article.objects.filter(slug=slug).update(
+            likes=(len(likes)),
+            dislikes=(len(dislikes)),
+        )
+
+        return Response(data, status=status.HTTP_200_OK)

authors/apps/authentication/migrations/0001_initial.py

@@ -1,4 +1,4 @@
-# Generated by Django 2.1.5 on 2019-02-26 10:59
+# Generated by Django 2.1.5 on 2019-03-14 07:12
 
 from django.db import migrations, models
 
@@ -23,6 +23,7 @@ class Migration(migrations.Migration):
                 ('email', models.EmailField(db_index=True, max_length=254, unique=True)),
                 ('is_active', models.BooleanField(default=True)),
                 ('is_staff', models.BooleanField(default=False)),
+                ('is_verified', models.BooleanField(default=False)),
                 ('created_at', models.DateTimeField(auto_now_add=True)),
                 ('updated_at', models.DateTimeField(auto_now=True)),
                 ('groups', models.ManyToManyField(blank=True, help_text='The groups this user belongs to. A user will get all permissions granted to each of their groups.', related_name='user_set', related_query_name='user', to='auth.Group', verbose_name='groups')),

authors/apps/core/utils.py

@@ -9,8 +9,7 @@ class Utilities:
     def email_renderer(data):
         """This function sends email to users."""
 
-        url = f"http://{get_current_site(data[0]).domain}\
-            /api/users/{data[1]}?token={data[2]}"
+        url = f"http://{get_current_site(data[0]).domain}/api/users/{data[1]}?token={data[2]}"
         subject = f"[Authors Heaven] {data[3]}"
         body = f"Hello, \
                 \nYou are receiving this e-mail because you have {data[4]}' \

authors/apps/profiles/migrations/0001_initial.py

@@ -1,4 +1,4 @@
-# Generated by Django 2.1.5 on 2019-03-06 06:58
+# Generated by Django 2.1.5 on 2019-03-14 07:12
 
 from django.conf import settings
 from django.db import migrations, models

authors/apps/profiles/urls.py

@@ -3,10 +3,24 @@
                     ListAuthorsAPIView, ProfileUpdateAPIView, AuthorsAPIView)
 
 urlpatterns = [
-    path('profiles/<username>', ProfileRetrieveAPIView.as_view(), name="get_profile"),
-    path('profiles/<username>/edit',
-         ProfileUpdateAPIView.as_view(), name="update_profile"),
-    path('profiles/', ListAuthorsAPIView.as_view(), name="users_profiles"),
-    path('authorslist/', AuthorsAPIView.as_view(), name="authors_list"),
-
+    path(
+        'profiles/<username>',
+        ProfileRetrieveAPIView.as_view(),
+        name="get_profile"
+    ),
+    path(
+        'profiles/<username>/edit',
+        ProfileUpdateAPIView.as_view(),
+        name="update_profile"
+    ),
+    path(
+        'profiles/',
+        ListAuthorsAPIView.as_view(),
+        name="users_profiles"
+    ),
+    path(
+        'authorslist/',
+        AuthorsAPIView.as_view(),
+        name="authors_list"
+    ),
 ]