Make sponsor logo mandatory, added override of year by adding ?year={year} to the get param.

Author: Bojan Jovanovic

.gitignore

@@ -7,5 +7,5 @@
 *.sqlite3
 *.py[cod]
 __pycache__
-
+/core/static
 /staticfiles/

pyconbalkan/conference/middleware.py

@@ -10,6 +10,14 @@ class ConferenceSelectionMiddleware:
     def __init__(self, get_response):
         self.get_response = get_response
 
+    def _get_year_from_domain(self, request):
+        domain = request.META.get('HTTP_HOST', 'localhost')
+        try:
+            return int(domain.split('.')[0])
+        except ValueError:
+            # Adding a non existing year, so it will never find this one, and will default to current.
+            return 9999
+
     def __call__(self, request):
         """
         Code to be executed for each request before
@@ -20,12 +28,15 @@ def __call__(self, request):
         `conference` is the conference.models.Conference object for the
         respective year fetched from it's domain.
         """
+        if 'year' in request.GET.keys():
+            domain_year = int(request.GET['year'])
+        else:
+            domain_year = self._get_year_from_domain(request)
+
 
-        domain = request.META.get('HTTP_HOST', 'localhost')
         try:
-            domain_year = int(domain.split('.')[0])
             request.conference = Conference.objects.get(year=domain_year)
-        except (Conference.DoesNotExist, ValueError):
+        except Conference.DoesNotExist:
             request.conference = Conference.objects.filter(active=True).first()
             if not request.conference:
                 return self.get_response(request)

pyconbalkan/sponsors/migrations/0009_auto_20190303_1426.py

@@ -0,0 +1,18 @@
+# Generated by Django 2.1.7 on 2019-03-03 14:26
+
+from django.db import migrations, models
+
+
+class Migration(migrations.Migration):
+
+    dependencies = [
+        ('sponsors', '0008_auto_20180811_1903'),
+    ]
+
+    operations = [
+        migrations.AlterField(
+            model_name='sponsor',
+            name='logo',
+            field=models.ImageField(upload_to='sponsors/logo'),
+        ),
+    ]

pyconbalkan/sponsors/models.py

@@ -29,7 +29,7 @@ class Sponsor(models.Model):
     name = models.CharField(max_length=256)
     description = MarkdownxField()
     level = models.CharField(max_length=16, choices=SponsorshipLevel.choices)
-    logo = models.ImageField(upload_to="sponsors/logo", blank=True, null=True)
+    logo = models.ImageField(upload_to="sponsors/logo")
 
     def __str__(self):
         return f'Sponsor [{ self.name }]'