add a project relation to the news page

opentech/public/news/migrations/0005_newsprojectrelatedpage.py

+# -*- coding: utf-8 -*-
+# Generated by Django 1.11.8 on 2018-01-29 10:41
+from __future__ import unicode_literals
+
+from django.db import migrations, models
+import django.db.models.deletion
+import modelcluster.fields
+
+
+class Migration(migrations.Migration):
+
+    dependencies = [
+        ('wagtailcore', '0040_page_draft_title'),
+        ('news', '0004_make_author_required'),
+    ]
+
+    operations = [
+        migrations.CreateModel(
+            name='NewsProjectRelatedPage',
+            fields=[
+                ('id', models.AutoField(auto_created=True, primary_key=True, serialize=False, verbose_name='ID')),
+                ('sort_order', models.IntegerField(blank=True, editable=False, null=True)),
+                ('page', models.ForeignKey(blank=True, null=True, on_delete=django.db.models.deletion.SET_NULL, related_name='+', to='wagtailcore.Page')),
+                ('source_page', modelcluster.fields.ParentalKey(on_delete=django.db.models.deletion.CASCADE, related_name='related_projects', to='news.NewsPage')),
+            ],
+            options={
+                'ordering': ['sort_order'],
+                'abstract': False,
+            },
+        ),
+    ]

opentech/public/news/models.py

@@ -52,6 +52,17 @@ class NewsPageRelatedPage(RelatedPage):
     )
 
 
+class NewsProjectRelatedPage(RelatedPage):
+    source_page = ParentalKey(
+        'news.NewsPage',
+        related_name='related_projects'
+    )
+
+    panels = [
+        PageChooserPanel('page', 'projects.ProjectPage'),
+    ]
+
+
 class NewsPageAuthor(Orderable):
     source_page = ParentalKey(
         'news.NewsPage',
@@ -92,6 +103,7 @@ class NewsPage(BasePage):
         FieldPanel('introduction'),
         StreamFieldPanel('body'),
         InlinePanel('news_types', label="News types"),
+        InlinePanel('related_projects', label="Mentioned project"),
         InlinePanel('related_pages', label="Related pages"),
     ]
 

opentech/public/news/templates/news/news_page.html

@@ -30,6 +30,15 @@
         </ul>
     {% endif %}
 
+    {% if page.related_projects.all %}
+        <h4 class="heading">Projects Mentioned</h4>
+        <ul class="list">
+            {% for project in page.related_projects.all %}
+            <li><a href="{% pageurl project.page %}">{{ project.page }}</a></li>
+            {% endfor %}
+        </ul>
+    {% endif %}
+
     {% include "includes/share.html" %}
 </div>