Merge branch 'make_snumber_unique' into 'master'

Make student number unique

See merge request !977

website/members/fixtures/members.json

@@ -77,7 +77,7 @@
     "fields": {
         "user": 1,
         "programme": null,
-        "student_number": "",
+        "student_number": null,
         "address_street": "Heyendaalseweg 135",
         "address_street2": "",
         "address_postal_code": "1245 TG",
@@ -103,7 +103,7 @@
     "fields": {
         "user": 2,
         "programme": null,
-        "student_number": "",
+        "student_number": null,
         "address_street": "testuserv 2",
         "address_street2": "",
         "address_postal_code": "2545 TG",
@@ -129,7 +129,7 @@
     "fields": {
         "user": 3,
         "programme": null,
-        "student_number": "",
+        "student_number": null,
         "address_street": "testuser 2",
         "address_street2": "",
         "address_postal_code": "6525 TE",
@@ -155,7 +155,7 @@
     "fields": {
         "user": 4,
         "programme": null,
-        "student_number": "",
+        "student_number": null,
         "address_street": "testuser 3",
         "address_street2": "",
         "address_postal_code": "6525 TE",

website/members/migrations/0026_auto_20181003_1906.py

+# Generated by Django 2.0.9 on 2018-10-03 17:06
+
+import django.core.validators
+from django.db import migrations, models
+
+
+class Migration(migrations.Migration):
+
+    dependencies = [
+        ('members', '0025_auto_20180928_1409'),
+    ]
+
+    operations = [
+        migrations.AlterField(
+            model_name='profile',
+            name='student_number',
+            field=models.CharField(blank=True, max_length=8, null=True, unique=True, validators=[django.core.validators.RegexValidator(message='Enter a valid student- or e/z/u-number.', regex='(s\\d{7}|[ezu]\\d{6,7})')], verbose_name='Student number'),
+        ),
+    ]

website/members/models.py

@@ -222,6 +222,7 @@ class Profile(models.Model):
             message=_('Enter a valid student- or e/z/u-number.'))],
         blank=True,
         null=True,
+        unique=True,
     )
 
     starting_year = models.IntegerField(