blog/admin.py

@@ -12,11 +12,13 @@ class PostAdmin(ViewOnSiteMixin, admin.ModelAdmin):
         '__str__',
         'film',
         'author',
+        'is_subscribers_only',
         'is_published',
         'date_published',
         'view_link',
     ]
     list_filter = [
+        'is_subscribers_only',
         'is_published',
         'film',
     ]
@@ -46,6 +48,7 @@ class PostAdmin(ViewOnSiteMixin, admin.ModelAdmin):
                     'attachments',
                     'header',
                     'thumbnail',
+                    'is_subscribers_only',
                     'is_published',
                 ],
             },

blog/migrations/0012_post_is_subscribers_only.py

@@ -0,0 +1,18 @@
+# Generated by Django 4.2.13 on 2024-07-02 09:20
+
+from django.db import migrations, models
+
+
+class Migration(migrations.Migration):
+
+    dependencies = [
+        ('blog', '0011_post_contributors'),
+    ]
+
+    operations = [
+        migrations.AddField(
+            model_name='post',
+            name='is_subscribers_only',
+            field=models.BooleanField(default=False),
+        ),
+    ]

blog/models.py

@@ -35,6 +35,7 @@ class Post(mixins.CreatedUpdatedMixin, mixins.StaticThumbnailURLMixin, models.Mo
     date_published = models.DateTimeField(blank=True, null=True)
     legacy_id = models.CharField(max_length=256, blank=True)
     is_published = models.BooleanField(default=False)
+    is_subscribers_only = models.BooleanField(default=False)
 
     title = models.CharField(max_length=512)
     category = models.CharField(max_length=128, blank=True)

blog/templates/blog/blog_toolbar.html

@@ -65,7 +65,7 @@
   </div>
   <div class="col">
     <div class="btn-row justify-content-end">
-      <button class="btn btn-link checkbox-like {% if not user.is_authenticated %}disabled{% endif %}" {% if not user.is_authenticated %}disabled{% endif %} {% if post.liked %}data-checked="checked" {% endif %} data-like-url="{{ post.like_url }}">
+      <button class="btn btn-link checkbox-like {% if not user.is_authenticated or show_subscribe_instead %}disabled{% endif %}" {% if not user.is_authenticated or show_subscribe_instead %}disabled{% endif %} {% if post.liked %}data-checked="checked" {% endif %} data-like-url="{{ post.like_url }}">
         <i class="i-heart checkbox-like-icon-unchecked"></i>
         <i class="i-heart-filled checkbox-like-icon-checked"></i>
         {% if post.likes.count != 0 %}<span class="js-likes-count">{{ post.likes.count }}</span>{% endif %}
@@ -75,6 +75,8 @@
           <i class="i-edit"></i><span>Edit</span>
         </a>
       {% endif %}
+
+      {% if not show_subscribe_instead %}
         <button class="btn btn-link" data-bs-toggle="dropdown">
           <i class="i-more-vertical"></i>
         </button>
@@ -84,6 +86,7 @@
             <span>Report Problem</span>
           </a>
         </div>
+      {% endif %}
     </div>
   </div>
 </div>

blog/templates/blog/post_detail.html

@@ -4,7 +4,7 @@
 {% load common_extras %}
 
 {% block head_style_extras %}
-{% stylesheet 'vendor_highlight' %}
+  {% stylesheet 'vendor_highlight' %}
 {% endblock %}
 
 {% block title_prepend %}{{ post.title }} - Blog - {% endblock title_prepend %}
@@ -43,11 +43,19 @@
             {% include "blog/blog_toolbar.html" %}
 
             <div class="markdown-text mb-4">
+              {# Subscribe banner might have to be displayed instead of content #}
+              {% if show_subscribe_instead %}
+                {% include "common/components/content_locked.html" %}
+              {% else %}
                 {% with_shortcodes post.content_html %}
+              {% endif %}
             </div>
 
             <section class="mb-4">
+              {# Display comment section only when the content is visible #}
+              {% if not show_subscribe_instead %}
                 {% include 'comments/components/comment_section.html' %}
+              {% endif %}
             </section>
           </div>
         </div>

blog/tests/test_blog_posts.py

@@ -7,6 +7,8 @@ from django.contrib.contenttypes.models import ContentType
 from django.test import TestCase, override_settings
 from django.urls import reverse
 
+from looper.tests.factories import SubscriptionFactory
+
 from blog.models import Post
 from comments.models import Comment
 from common.tests.factories.blog import PostFactory
@@ -472,3 +474,79 @@ class TestPostComments(TestCase):
         # Blog post's author should be notified about the comment on their post
         self.assertEqual(list(Action.objects.notifications(self.post.author)), [action])
         self.assertEqual(list(Action.objects.notifications(self.post_comment.user)), [])
+
+
+@override_settings(
+    DEFAULT_FILE_STORAGE='django.core.files.storage.FileSystemStorage',
+)
+class TestViewPost(TestCase):
+    @classmethod
+    def setUpTestData(cls) -> None:
+        # PostFactory mutes signals, hence a separate UserFactory call to make sure Customer is created
+        cls.post = PostFactory(is_subscribers_only=False, author=UserFactory())
+        cls.post_subscribers_only = PostFactory(is_subscribers_only=True, author=UserFactory())
+
+    def test_post_can_be_viewed_by_anyone(self):
+        subscriber = UserFactory()
+        SubscriptionFactory(customer=subscriber.customer, status='active')
+
+        group, _ = Group.objects.get_or_create(name='demo')
+        demo = UserFactory()
+        demo.groups.add(group)
+
+        url = self.post.get_absolute_url()
+        for account, role in (
+            (None, 'anonymous'),
+            (subscriber, 'subscriber'),
+            (demo, 'demo'),
+            (self.post.author, 'author'),
+        ):
+            with self.subTest(account=account, role=role):
+                assert not account or account.customer
+                self.client.logout()
+                if account:
+                    self.client.force_login(account)
+                response = self.client.get(url)
+                self.assertEqual(response.status_code, 200)
+                self.assertContains(response, self.post.content_html)
+
+    def test_subscribers_only_post_cannot_be_viewed_by_non_subscriber(self):
+        non_subscriber = UserFactory()
+
+        url = self.post_subscribers_only.get_absolute_url()
+        for account, role in (
+            (None, 'anonymous'),
+            (non_subscriber, 'non-subscriber'),
+        ):
+            with self.subTest(account=account, role=role):
+                assert not account or account.customer
+                self.client.logout()
+                if account:
+                    self.client.force_login(account)
+                response = self.client.get(url)
+                self.assertEqual(response.status_code, 200)
+                self.assertNotContains(response, self.post_subscribers_only.content_html)
+                self.assertContains(response, 'Join Blender Studio')
+                self.assertContains(response, '/join/')
+
+    def test_subscribers_only_post_can_be_viewed_by_subscriber_or_demo(self):
+        subscriber = UserFactory()
+        SubscriptionFactory(customer=subscriber.customer, status='active')
+
+        group, _ = Group.objects.get_or_create(name='demo')
+        demo = UserFactory()
+        demo.groups.add(group)
+
+        url = self.post_subscribers_only.get_absolute_url()
+        for account, role in (
+            (subscriber, 'subscriber'),
+            (demo, 'demo'),
+        ):
+            with self.subTest(account=account, role=role):
+                assert account.customer
+                self.client.logout()
+                if account:
+                    self.client.force_login(account)
+                response = self.client.get(url)
+                self.assertEqual(response.status_code, 200)
+                self.assertContains(response, self.post_subscribers_only.content_html)

blog/tests/test_feed.py

@@ -1,23 +1,44 @@
-from django.contrib.auth import get_user_model
+from django.core.files.uploadedfile import SimpleUploadedFile
+from django.test import TestCase, override_settings
+from django.urls import reverse_lazy
 
-from django.test import TestCase
-from django.urls import reverse
-
-from common.tests.factories.films import FilmFactory
-from common.tests.factories.helpers import create_test_image
-
-
-User = get_user_model()
+from common.tests.factories.blog import PostFactory
+from common.tests.factories.users import UserFactory
 
 
+@override_settings(
+    DEFAULT_FILE_STORAGE='django.core.files.storage.InMemoryStorage',
+)
 class TestPostFeed(TestCase):
+    feed_url = reverse_lazy('post-feed')
+
     @classmethod
     def setUpTestData(cls) -> None:
-        cls.admin = User.objects.create_superuser(username='superuser')
-        cls.film = FilmFactory()
-        cls.thumbnail = create_test_image()
-        cls.post_add_url = reverse('admin:blog_post_add')
+        cls.free_posts = [
+            PostFactory(
+                is_subscribers_only=False,
+                author=UserFactory(),
+                is_published=True,
+                thumbnail=SimpleUploadedFile('test.png', b'foobar', content_type='image/png'),
+            )
+            for _ in range(2)
+        ]
+        cls.post_subscribers_only = PostFactory(
+            is_subscribers_only=True, author=UserFactory(), is_published=True
+        )
 
-    def test_feed_index(self):
-        r = self.client.get(reverse('post-feed'))
-        self.assertEqual(r.status_code, 200)
+    def test_feed_contains_free_post_but_not_subscriber_only_posts(self):
+        response = self.client.get(self.feed_url)
+
+        self.assertEqual(response.status_code, 200)
+
+        self.assertContains(response, self.free_posts[0].get_absolute_url())
+        self.assertContains(response, self.free_posts[1].get_absolute_url())
+        self.assertContains(response, self.free_posts[0].excerpt)
+        self.assertContains(response, self.free_posts[1].excerpt)
+        self.assertContains(response, self.free_posts[0].title)
+        self.assertContains(response, self.free_posts[1].title)
+
+        self.assertNotContains(response, self.post_subscribers_only.get_absolute_url())
+        self.assertNotContains(response, self.post_subscribers_only.excerpt)
+        self.assertNotContains(response, self.post_subscribers_only.title)

blog/views/blog.py

@@ -1,15 +1,17 @@
+"""Views that render blog pages are defined here."""
 from typing import List
 
-from django.views.generic import ListView, DetailView
-from django.db.models.query import QuerySet
 from django.contrib.syndication.views import Feed
+from django.db.models.query import QuerySet
 from django.utils import feedgenerator
+from django.views.generic import ListView, DetailView
 
 from blog.models import Post, Like
 from blog.queries import get_posts
 from comments.models import Comment
 from comments.queries import get_annotated_comments
 from comments.views.common import comments_to_template_type
+import common.queries
 
 
 class PostList(ListView):
@@ -27,17 +29,25 @@ class PostDetail(DetailView):
     model = Post
     context_object_name = 'post'
 
-    def get_object(self) -> Post:
-        object_ = super().get_object()
-        if self.request.user.is_authenticated:
-            object_.liked = Like.objects.filter(
-                post_id=object_.pk, user_id=self.request.user.pk
-            ).exists()
-        return object_
-
     def get_context_data(self, **kwargs):
         context = super().get_context_data(**kwargs)
-        post: Post = self.get_object()
+        post: Post = self.object
+
+        show_subscribe_instead = post.is_subscribers_only and (
+            self.request.user.is_anonymous
+            or (
+                # This is neither the author of the post nor a subscriber
+                self.request.user.pk != post.author_id
+                and not common.queries.has_active_subscription(self.request.user)
+            )
+        )
+
+        if self.request.user.is_authenticated:
+            post.liked = Like.objects.filter(post_id=post.pk, user_id=self.request.user.pk).exists()
+
+        # Whether the subscribe banner should be displayed instead of content
+        context['show_subscribe_instead'] = show_subscribe_instead
+
         # Display edit buttons for editors/authors
         context['user_can_edit_post'] = self.request.user.is_staff and self.request.user.has_perm(
             'blog.change_post'
@@ -46,7 +56,8 @@ class PostDetail(DetailView):
         if post.film and post.author.film_crew.filter(film=post.film):
             context['user_film_role'] = post.author.film_crew.filter(film=post.film)[0].role
 
-        # Comment threads
+        # Comment threads are only shown when post is visible
+        if not show_subscribe_instead:
             comments: List[Comment] = get_annotated_comments(post, self.request.user.pk)
             context['comments'] = comments_to_template_type(
                 comments, post.comment_url, self.request.user
@@ -70,7 +81,9 @@ class PostFeed(Feed):
         ]
 
     def items(self):
-        return Post.objects.filter(is_published=True).order_by('-date_published')[:5]
+        return Post.objects.filter(is_published=True, is_subscribers_only=False).order_by(
+            '-date_published'
+        )[:5]
 
     def item_title(self, item):
         return item.title

common/templates/common/components/cards/card_blog.html

@@ -49,6 +49,9 @@
           {{ post.comments.count }}
         </div>
       {% endif %}
+      {% if not post.is_subscribers_only %}
+        {% include "common/components/cards/pill.html" with label='Free' %}
+      {% endif %}
     </div>
   </a>
 </div>