Added team invitations

src/pretix/base/migrations/0054_auto_20170107_1058.py

@@ -0,0 +1,34 @@
+# -*- coding: utf-8 -*-
+# Generated by Django 1.10.4 on 2017-01-07 10:58
+from __future__ import unicode_literals
+
+import django.db.models.deletion
+from django.conf import settings
+from django.db import migrations, models
+
+import pretix.base.models.event
+
+
+class Migration(migrations.Migration):
+
+    dependencies = [
+        ('pretixbase', '0053_auto_20170104_1252'),
+    ]
+
+    operations = [
+        migrations.AddField(
+            model_name='eventpermission',
+            name='invite_email',
+            field=models.EmailField(blank=True, max_length=254, null=True),
+        ),
+        migrations.AddField(
+            model_name='eventpermission',
+            name='invite_token',
+            field=models.CharField(blank=True, default=pretix.base.models.event.generate_invite_token, max_length=64, null=True),
+        ),
+        migrations.AlterField(
+            model_name='eventpermission',
+            name='user',
+            field=models.ForeignKey(blank=True, null=True, on_delete=django.db.models.deletion.CASCADE, related_name='event_perms', to=settings.AUTH_USER_MODEL),
+        ),
+    ]

src/pretix/base/models/__init__.py

@@ -3,6 +3,7 @@ from .base import CachedFile, LoggedModel, cachedfile_name
 from .checkin import Checkin
 from .event import (
     Event, EventLock, EventPermission, EventSetting, RequiredAction,
+    generate_invite_token,
 )
 from .invoices import Invoice, InvoiceLine, invoice_filename
 from .items import (

src/pretix/base/models/event.py

@@ -1,3 +1,4 @@
+import string
 import uuid
 from datetime import date, datetime, time
 
@@ -294,6 +295,10 @@ class Event(LoggedModel):
             s.save()
 
 
+def generate_invite_token():
+    return get_random_string(length=32, allowed_chars=string.ascii_lowercase + string.digits)
+
+
 class EventPermission(models.Model):
     """
     The relation between an Event and a User who has permissions to
@@ -314,7 +319,9 @@ class EventPermission(models.Model):
     """
 
     event = models.ForeignKey(Event, related_name="user_perms", on_delete=models.CASCADE)
-    user = models.ForeignKey(User, related_name="event_perms", on_delete=models.CASCADE)
+    user = models.ForeignKey(User, related_name="event_perms", on_delete=models.CASCADE, null=True, blank=True)
+    invite_email = models.EmailField(null=True, blank=True)
+    invite_token = models.CharField(default=generate_invite_token, max_length=64, null=True, blank=True)
     can_change_settings = models.BooleanField(
         default=True,
         verbose_name=_("Can change event settings")