Merge pull request #53 from nephila/hotfix/email_max_length

Hotfix/email max length

README.md

@@ -111,6 +111,10 @@ Bulk invites are supported via JSON.  Post a list of comma separated emails to t
 
     Used for custom integrations. Set this to `ACCOUNT_ADAPTER` if using django-allauth.
 
+*  `INVITATIONS_EMAIL_MAX_LENGTH` (default=`254`)
+
+    If set to `None` (the default), invitation email max length will be set up to 254. Set this to an integer value to set up a custome email max length value.
+
 *  `INVITATIONS_EMAIL_SUBJECT_PREFIX` (default=`None`)
 
     If set to `None` (the default), invitation email subjects will be prefixed with the name of the current Site in brackets (such as `[example.com]`). Set this to a string to for a custom email subject prefix, or an empty string for no prefix.

invitations/app_settings.py

@@ -59,6 +59,13 @@ def ADAPTER(self):
         return self._setting(
             'ADAPTER', 'invitations.adapters.BaseInvitationsAdapter')
 
+    @property
+    def EMAIL_MAX_LENGTH(self):
+        """
+        Adjust max_length of e-mail addresses
+        """
+        return self._setting("EMAIL_MAX_LENGTH", 254)
+
     @property
     def EMAIL_SUBJECT_PREFIX(self):
         """

invitations/migrations/0002_auto_20151126_0426.py

@@ -4,6 +4,9 @@
 from django.db import models, migrations
 from django.conf import settings
 
+EMAIL_MAX_LENGTH = getattr(settings, 'INVITATIONS_EMAIL_MAX_LENGTH', 254)
+
+
 
 class Migration(migrations.Migration):
 
@@ -21,6 +24,6 @@ class Migration(migrations.Migration):
         migrations.AlterField(
             model_name='invitation',
             name='email',
-            field=models.EmailField(unique=True, max_length=254, verbose_name='e-mail address'),
+            field=models.EmailField(unique=True, max_length=EMAIL_MAX_LENGTH, verbose_name='e-mail address'),
         ),
     ]

invitations/models.py

@@ -19,7 +19,8 @@
 @python_2_unicode_compatible
 class Invitation(models.Model):
 
-    email = models.EmailField(unique=True, verbose_name=_('e-mail address'))
+    email = models.EmailField(unique=True, verbose_name=_('e-mail address'),
+                              max_length=app_settings.EMAIL_MAX_LENGTH)
     accepted = models.BooleanField(verbose_name=_('accepted'), default=False)
     created = models.DateTimeField(verbose_name=_('created'),
                                    default=timezone.now)