Fix bug with default discourse_username

apiserver/apiserver/api/management/commands/run_daily.py

@@ -32,7 +32,7 @@ class Command(BaseCommand):
             'protospace_instructors': [],
         }
 
-        for user in User.objects.filter(member__discourse_username__isnull=False):
+        for user in User.objects.exclude(member__discourse_username__exact=''):
             username = user.member.discourse_username
 
             # handle non-member vs. member

apiserver/apiserver/api/models.py

@@ -27,8 +27,8 @@ class Member(models.Model):
     last_name = models.CharField(max_length=32)
     preferred_name = models.CharField(max_length=32)
     phone = models.CharField(default='', max_length=32, null=True)
-    emergency_contact_name = models.CharField(max_length=64, blank=True)
+    emergency_contact_name = models.CharField(default='', max_length=64, blank=True)
-    emergency_contact_phone = models.CharField(max_length=32, blank=True)
+    emergency_contact_phone = models.CharField(default='', max_length=32, blank=True)
     birthdate = models.DateField(blank=True, null=True)
     is_minor = models.BooleanField(default=False)
     guardian_name = models.CharField(max_length=32, blank=True, null=True)
@@ -58,7 +58,7 @@ class Member(models.Model):
     paused_date = models.DateField(blank=True, null=True)
     monthly_fees = models.IntegerField(default=55, blank=True, null=True)
     is_allowed_entry = models.BooleanField(default=True)
-    discourse_username = models.CharField(default=None, max_length=40, blank=True, null=True)
+    discourse_username = models.CharField(default='', max_length=40, blank=True, null=True)
 
     history = HistoricalRecords(excluded_fields=['member_forms'])