Handle special publications differently

mainsite/context_processors.py

@@ -6,6 +6,11 @@ from . import models
 def sidebar_years(req):
     avail_years = models.PublicationYear.objects.all()
     publi_years = [year for year in avail_years if len(year.publis()) > 0]
+
+    num_special_publications = models.Publication.objects\
+        .filter(is_special=True).count()
+
     return {
         'publication_years': publi_years,
+        'has_special_publications': num_special_publications > 0,
     }

mainsite/migrations/0004_publication_in_year_view_anyway.py

@@ -0,0 +1,20 @@
+# -*- coding: utf-8 -*-
+# Generated by Django 1.11.5 on 2017-09-22 17:01
+from __future__ import unicode_literals
+
+from django.db import migrations, models
+
+
+class Migration(migrations.Migration):
+
+    dependencies = [
+        ('mainsite', '0003_siteconfiguration'),
+    ]
+
+    operations = [
+        migrations.AddField(
+            model_name='publication',
+            name='in_year_view_anyway',
+            field=models.BooleanField(default=False, help_text="Si le numéro est spécial, l'afficher quand même dans la page de l'année correspondante.", verbose_name="Aussi dans l'année"),
+        ),
+    ]

mainsite/models.py

@@ -32,6 +32,11 @@ class Publication(models.Model):
     is_special = BooleanField('Numéro spécial',
                               help_text='Numéro du BOcal non-numéroté',
                               default=False)
+    in_year_view_anyway = BooleanField(
+        "Aussi dans l'année",
+        help_text=("Si le numéro est spécial, l'afficher quand même dans la "
+                   "page de l'année correspondante."),
+        default=False)
     descr = CharField('Description (optionnelle)',
                       max_length=512,
                       blank=True)

mainsite/templates/sidebar.html

@@ -14,6 +14,10 @@
   </ul>
 
   <ul class="nav nav-sidebar">
+    {% if has_special_publications %}
+    <li><a href="{% url "special_publications" %}">Numéros spéciaux</a></li>
+    {% endif %}
+
     {% for pubyear in publication_years %}
     <li><a href="{{ pubyear.url }}">{{ pubyear.prettyName }}</a></li>
     {% endfor %}

mainsite/urls.py

@@ -6,6 +6,8 @@ app_name = 'manisite'
 urlpatterns = [
     url(r'^$', views.HomeView.as_view(), name='homepage'),
     url(r'^ecrire$', views.WriteArticleView.as_view(), name='write_article'),
+    url(r'^speciaux/', views.SpecialPublicationsView.as_view(),
+        name='special_publications'),
     url(r'^(?P<year>\d{4})-(?P<nYear>\d{4})/',
         views.YearView.as_view(), name='year_view'),
 ]

mainsite/views.py

@@ -1,6 +1,7 @@
 # from django.shortcuts import render
 from django.views.generic import TemplateView
 from django.http import Http404
+from django.db.models import Q
 
 from datetime import date
 
@@ -17,25 +18,49 @@ class WriteArticleView(TemplateView):
     template_name = 'mainsite/write_article.html'
 
 
-class YearView(TemplateView):
-    ''' Display a year worth of BOcals '''
-    template_name = 'mainsite/year_view.html'
+class PublicationListView(TemplateView):
+    ''' Display a list of publications (generic class).
 
-    def get_context_data(self, year, nYear, **kwargs):
-        context = super(YearView, self).get_context_data(**kwargs)
+    Reimplement `get_publications` (called with the url template args in a
+    place where you can Http404) in subclasses to get it working. '''
 
-        try:
-            year, nYear = int(year), int(nYear)
-        except ValueError:
-            raise Http404
-        if year + 1 != nYear:
-            raise Http404
+    template_name = 'mainsite/publications_list_view.html'
+
+    def get_context_data(self, **kwargs):
+        context = super(PublicationListView, self).get_context_data(**kwargs)
+
+        publications = self.get_publications(**kwargs)
 
-        publications = Publication.objects.filter(
-            date__gte=date(year, 8, 1),
-            date__lt=date(nYear, 8, 1))
         if len(publications) == 0:
             raise Http404
         context['publications'] = publications
 
         return context
+
+
+class YearView(PublicationListView):
+    ''' Display a year worth of BOcals '''
+    def get_publications(self, year, nYear):
+        try:
+            year, nYear = int(year), int(nYear)
+        except ValueError:
+            raise Http404
+
+        if year + 1 != nYear:
+            raise Http404
+
+        publications = Publication.objects.filter(
+            Q(is_special=False) | Q(in_year_view_anyway=True),
+            date__gte=date(year, 8, 1),
+            date__lt=date(nYear, 8, 1))
+
+        return publications
+
+
+class SpecialPublicationsView(PublicationListView):
+    ''' Display the list of special publications '''
+    def get_publications(self):
+        publications = Publication.objects\
+            .filter(is_special=True)\
+            .order_by('-date')
+        return publications