Make some fields on Speaker model optional.

symposion/speakers/migrations/0003_make_fields_optional.py

@@ -0,0 +1,43 @@
+# -*- coding: utf-8 -*-
+# Generated by Django 1.9.12 on 2017-01-20 07:40
+from __future__ import unicode_literals
+
+import datetime
+from django.conf import settings
+from django.db import migrations, models
+import django.db.models.deletion
+
+
+class Migration(migrations.Migration):
+
+    dependencies = [
+        ('symposion_speakers', '0002_speaker_twitter_username'),
+    ]
+
+    operations = [
+        migrations.AlterField(
+            model_name='speaker',
+            name='annotation',
+            field=models.TextField(blank=True, verbose_name='Annotation'),
+        ),
+        migrations.AlterField(
+            model_name='speaker',
+            name='created',
+            field=models.DateTimeField(default=datetime.datetime.now, editable=False, verbose_name='Created'),
+        ),
+        migrations.AlterField(
+            model_name='speaker',
+            name='invite_email',
+            field=models.CharField(blank=True, db_index=True, default='', max_length=200, verbose_name='Invite_email'),
+        ),
+        migrations.AlterField(
+            model_name='speaker',
+            name='invite_token',
+            field=models.CharField(blank=True, db_index=True, max_length=40, verbose_name='Invite token'),
+        ),
+        migrations.AlterField(
+            model_name='speaker',
+            name='user',
+            field=models.OneToOneField(blank=True, null=True, on_delete=django.db.models.deletion.CASCADE, related_name='speaker_profile', to=settings.AUTH_USER_MODEL, verbose_name='User'),
+        ),
+    ]

symposion/speakers/models.py

@@ -20,7 +20,7 @@ class Speaker(models.Model):
         (2, "Two")
     ]
 
-    user = models.OneToOneField(User, null=True, related_name="speaker_profile", verbose_name=_("User"))
+    user = models.OneToOneField(User, blank=True, null=True, related_name="speaker_profile", verbose_name=_("User"))
     name = models.CharField(verbose_name=_("Name"), max_length=100,
                             help_text=_("As you would like it to appear in the"
                                         " conference program."))
@@ -35,9 +35,9 @@ class Speaker(models.Model):
         blank=True,
         help_text=_(u"Your Twitter account")
     )
-    annotation = models.TextField(verbose_name=_("Annotation"))  # staff only
-    invite_email = models.CharField(max_length=200, unique=True, null=True, db_index=True, verbose_name=_("Invite_email"))
-    invite_token = models.CharField(max_length=40, db_index=True, verbose_name=_("Invite token"))
+    annotation = models.TextField(blank=True, verbose_name=_("Annotation"))  # staff only
+    invite_email = models.CharField(blank=True, default="", max_length=200, db_index=True, verbose_name=_("Invite_email"))
+    invite_token = models.CharField(blank=True, max_length=40, db_index=True, verbose_name=_("Invite token"))
     created = models.DateTimeField(
         default=datetime.datetime.now,
         editable=False,

symposion/speakers/views.py

@@ -34,7 +34,7 @@ def speaker_create(request):
             speaker = form.save(commit=False)
             speaker.user = request.user
             if not found:
-                speaker.invite_email = None
+                speaker.invite_email = ""
             speaker.save()
             messages.success(request, _("Speaker profile created."))
             return redirect("dashboard")