User deletion

user_backend/users/migrations/0004_deleteduser.py

@@ -0,0 +1,30 @@
+# Generated by Django 2.0.5 on 2019-11-14 22:31
+
+from django.conf import settings
+from django.db import migrations, models
+import django.db.models.deletion
+import users.managers
+
+
+class Migration(migrations.Migration):
+
+    dependencies = [
+        ('users', '0003_auto_20180602_0452'),
+    ]
+
+    operations = [
+        migrations.CreateModel(
+            name='DeletedUser',
+            fields=[
+                ('user_ptr', models.OneToOneField(auto_created=True, on_delete=django.db.models.deletion.CASCADE, parent_link=True, primary_key=True, serialize=False, to=settings.AUTH_USER_MODEL)),
+                ('date_deleted', models.DateTimeField(auto_now_add=True, verbose_name='date_deleted')),
+            ],
+            options={
+                'abstract': False,
+            },
+            bases=('users.user',),
+            managers=[
+                ('objects', users.managers.UserManager()),
+            ],
+        ),
+    ]

user_backend/users/migrations/0005_auto_20191114_2237.py

@@ -0,0 +1,24 @@
+# Generated by Django 2.0.5 on 2019-11-14 22:37
+
+from django.db import migrations
+
+
+class Migration(migrations.Migration):
+
+    dependencies = [
+        ('matching', '0011_report'),
+        ('oauth2_provider', '0006_auto_20171214_2232'),
+        ('chat', '0003_auto_20190517_0119'),
+        ('admin', '0002_logentry_remove_auto_add'),
+        ('users', '0004_deleteduser'),
+    ]
+
+    operations = [
+        migrations.RemoveField(
+            model_name='deleteduser',
+            name='user_ptr',
+        ),
+        migrations.DeleteModel(
+            name='DeletedUser',
+        ),
+    ]

user_backend/users/migrations/0006_deleteduser.py

@@ -0,0 +1,32 @@
+# Generated by Django 2.0.5 on 2019-11-14 22:37
+
+from django.db import migrations, models
+
+
+class Migration(migrations.Migration):
+
+    dependencies = [
+        ('users', '0005_auto_20191114_2237'),
+    ]
+
+    operations = [
+        migrations.CreateModel(
+            name='DeletedUser',
+            fields=[
+                ('id', models.AutoField(auto_created=True, primary_key=True, serialize=False, verbose_name='ID')),
+                ('date_deleted', models.DateTimeField(auto_now_add=True, verbose_name='date_deleted')),
+                ('email', models.EmailField(default='', max_length=255, verbose_name='email')),
+                ('first_name', models.CharField(blank=True, max_length=40, verbose_name='first_name')),
+                ('last_name', models.CharField(blank=True, max_length=150, verbose_name='last_name')),
+                ('major', models.CharField(blank=True, max_length=150, verbose_name='major')),
+                ('minor', models.CharField(blank=True, max_length=150, verbose_name='minor')),
+                ('year', models.IntegerField(blank=True, default=0, null=True, verbose_name='year')),
+                ('self_bio', models.TextField(blank=True, verbose_name='self_bio')),
+                ('is_on_chat', models.BooleanField(default=False, verbose_name='is_on_chat')),
+                ('device_id', models.CharField(blank=True, default='', max_length=150, verbose_name='device_id')),
+                ('is_active', models.BooleanField(default=True, verbose_name='is_active')),
+                ('is_admin', models.BooleanField(default=False, verbose_name='is_admin')),
+                ('is_staff', models.BooleanField(default=True, verbose_name='staff status')),
+            ],
+        ),
+    ]

user_backend/users/migrations/0007_auto_20191114_2252.py

@@ -0,0 +1,18 @@
+# Generated by Django 2.0.5 on 2019-11-14 22:52
+
+from django.db import migrations, models
+
+
+class Migration(migrations.Migration):
+
+    dependencies = [
+        ('users', '0006_deleteduser'),
+    ]
+
+    operations = [
+        migrations.AlterField(
+            model_name='deleteduser',
+            name='email',
+            field=models.EmailField(max_length=255, verbose_name='email'),
+        ),
+    ]

user_backend/users/models.py

@@ -9,9 +9,9 @@
 
 # Create your models here.
 
-class User(AbstractBaseUser, PermissionsMixin):
+class BaseUser(models.Model):
     # visible user data
-    email = models.EmailField(_('email'), max_length=255, unique=True)
+    email = models.EmailField(_('email'), max_length=255)
     first_name = models.CharField(_('first_name'), max_length=40, blank=True)
     last_name = models.CharField(_('last_name'), max_length=150, blank=True)
     major = models.CharField(_('major'), max_length=150, blank=True)
@@ -27,12 +27,18 @@ class User(AbstractBaseUser, PermissionsMixin):
             default="")
 
     # Metadata fields, automatically has primary key ID
-    date_created = models.DateTimeField(_('date_created'), auto_now_add=True)
-    date_updated = models.DateTimeField(_('date_updated'), auto_now=True)
     is_active = models.BooleanField(_('is_active'), default=True)
     is_admin = models.BooleanField(_('is_admin'), default=False)
     is_staff = models.BooleanField(_('staff status'),default=True)
 
+    class Meta:
+        abstract = True
+
+class User(BaseUser, AbstractBaseUser, PermissionsMixin):
+    email = models.EmailField(_('email'), max_length=255, unique=True)
+    date_created = models.DateTimeField(_('date_created'), auto_now_add=True)
+    date_updated = models.DateTimeField(_('date_updated'), auto_now=True)
+
     # Add email as the username field for auth purposes
     USERNAME_FIELD = 'email'
     REQUIRED_FIELDS = []
@@ -66,3 +72,6 @@ def email_user(self, subject, message, from_email=None, **kwargs):
         """
         send_mail(subject, message, from_email, [self.email], **kwargs)
 
+
+class DeletedUser(BaseUser):
+    date_deleted = models.DateTimeField(_('date_deleted'), auto_now_add=True)

user_backend/users/views.py

@@ -9,7 +9,7 @@
 from django.db.models.signals import post_save
 from django.dispatch import receiver
 
-from users.models import User
+from users.models import User, DeletedUser
 from users.serializers import UserSerializer
 from users.S3Client import S3Client
 
@@ -102,6 +102,12 @@ def delete(self, request, format=None):
         """
         email = get_email(request)
         user = get_user_by_email(email)
+        serializer = UserSerializer(user)
+        data = serializer.data
+        for key in ["id", "date_created", "date_updated"]:
+            del data[key]
+        deleted_user = DeletedUser(**data)
+        deleted_user.save()
         user.delete()
         return Response(status=status.HTTP_204_NO_CONTENT)