From 2728d6caf13d706ff602520047291ced7744389e Mon Sep 17 00:00:00 2001
From: Ross <xkjq@ymail.com>
Date: Sun, 29 Nov 2020 10:08:50 +0000
Subject: [PATCH] switch exam questions to a sorted m2m

---
 anatomy/migrations/0006_auto_20201129_0955.py | 25 +++++++++++++++++++
 anatomy/models.py                             |  4 ++-
 rad/settings.py                               |  1 +
 requirements.txt                              |  3 ++-
 4 files changed, 31 insertions(+), 2 deletions(-)
 create mode 100644 anatomy/migrations/0006_auto_20201129_0955.py

diff --git a/anatomy/migrations/0006_auto_20201129_0955.py b/anatomy/migrations/0006_auto_20201129_0955.py
new file mode 100644
index 00000000..de49928d
--- /dev/null
+++ b/anatomy/migrations/0006_auto_20201129_0955.py
@@ -0,0 +1,25 @@
+# Generated by Django 3.1.3 on 2020-11-29 09:55
+
+from django.db import migrations, models
+import sortedm2m.fields
+from sortedm2m.operations import AlterSortedManyToManyField
+
+
+class Migration(migrations.Migration):
+
+    dependencies = [
+        ('anatomy', '0005_auto_20201126_1730'),
+    ]
+
+    operations = [
+        #migrations.AddField(
+        #    model_name='anatomyquestion',
+        #    name='open_access',
+        #    field=models.BooleanField(default=True, help_text='If an question should be freely available to browse'),
+        #),
+        AlterSortedManyToManyField(
+            model_name='exam',
+            name='exam_questions',
+            field=sortedm2m.fields.SortedManyToManyField(blank='true', help_text=None, related_name='exams', to='anatomy.AnatomyQuestion'),
+        ),
+    ]
diff --git a/anatomy/models.py b/anatomy/models.py
index 0c911b3b..5eadacb8 100644
--- a/anatomy/models.py
+++ b/anatomy/models.py
@@ -9,6 +9,8 @@ from django.urls import reverse
 
 from django.utils.translation import ugettext_lazy as _
 
+from sortedm2m.fields import SortedManyToManyField
+
 image_storage = FileSystemStorage(
     # Physical file location ROOT
     location=u"{0}/anatomy/".format(settings.MEDIA_ROOT),
@@ -201,7 +203,7 @@ class Answer(models.Model):
 
 class Exam(models.Model):
     name = models.CharField(max_length=200)
-    exam_questions = models.ManyToManyField(AnatomyQuestion,
+    exam_questions = SortedManyToManyField(AnatomyQuestion,
                                             related_name="exams", blank="true")
 
     active = models.BooleanField(help_text="If an exam should be available",
diff --git a/rad/settings.py b/rad/settings.py
index 27cd4cf7..6177fca3 100644
--- a/rad/settings.py
+++ b/rad/settings.py
@@ -37,6 +37,7 @@ INSTALLED_APPS = [
     "easy_thumbnails",
     "filer",
     "mptt",
+    "sortedm2m",
     'django.contrib.admin',
     'django.contrib.auth',
     'django.contrib.contenttypes',
diff --git a/requirements.txt b/requirements.txt
index 90376ccf..849d1206 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -10,4 +10,5 @@ pandas
 django-tables2
 django-filter
 django-filer
-psycopg2-binary
\ No newline at end of file
+psycopg2-binary
+django-sortedm2m
\ No newline at end of file