From d2ca08edbef7e08afbeb18a1dd8e6cabe1f16a3f Mon Sep 17 00:00:00 2001
From: Filipp Lepalaan <filipp@mac.com>
Date: Sat, 15 May 2021 15:15:21 +0300
Subject: Fix saving notes

---
 servo/migrations/0004_auto_20210515_1414.py | 46 +++++++++++++++++++++++++++++
 servo/models/common.py                      |  6 ++--
 2 files changed, 49 insertions(+), 3 deletions(-)
 create mode 100644 servo/migrations/0004_auto_20210515_1414.py

diff --git a/servo/migrations/0004_auto_20210515_1414.py b/servo/migrations/0004_auto_20210515_1414.py
new file mode 100644
index 0000000..834614c
--- /dev/null
+++ b/servo/migrations/0004_auto_20210515_1414.py
@@ -0,0 +1,46 @@
+# Generated by Django 3.2.2 on 2021-05-15 12:14
+
+from django.db import migrations, models
+import django.db.models.deletion
+import mptt.fields
+
+
+class Migration(migrations.Migration):
+
+    dependencies = [
+        ('contenttypes', '0002_remove_content_type_name'),
+        ('servo', '0003_auto_20210515_1333'),
+    ]
+
+    operations = [
+        migrations.RemoveField(
+            model_name='attachment',
+            name='ref',
+        ),
+        migrations.RemoveField(
+            model_name='attachment',
+            name='ref_id',
+        ),
+        migrations.AddField(
+            model_name='attachment',
+            name='content_type',
+            field=models.ForeignKey(default=None, on_delete=django.db.models.deletion.CASCADE, to='contenttypes.contenttype'),
+            preserve_default=False,
+        ),
+        migrations.AddField(
+            model_name='attachment',
+            name='object_id',
+            field=models.PositiveIntegerField(default=None),
+            preserve_default=False,
+        ),
+        migrations.AlterField(
+            model_name='queue',
+            name='locations',
+            field=models.ManyToManyField(blank=True, help_text='Pick the locations you want this queue to appear in.', to='servo.Location', verbose_name='locations'),
+        ),
+        migrations.AlterField(
+            model_name='user',
+            name='customer',
+            field=mptt.fields.TreeForeignKey(blank=True, help_text='Tie the user to this customer (company).', limit_choices_to={'is_company': True}, null=True, on_delete=django.db.models.deletion.SET_NULL, to='servo.customer'),
+        ),
+    ]
diff --git a/servo/models/common.py b/servo/models/common.py
index 69feea2..520b769 100644
--- a/servo/models/common.py
+++ b/servo/models/common.py
@@ -762,9 +762,9 @@ class Template(models.Model):
 
 class Attachment(models.Model):
     """A file attached to something."""
-
-    ref = models.CharField(max_length=32)
-    ref_id = models.IntegerField()
+    content_type = models.ForeignKey(ContentType, on_delete=models.CASCADE)
+    object_id = models.PositiveIntegerField()
+    content_object = GenericForeignKey('content_type', 'object_id')
 
     mime_type = models.CharField(max_length=64, editable=False)
     content = models.FileField(
-- 
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