Setup models and database

apps/registration/migrations/0001_initial.py

@@ -0,0 +1,70 @@
+# Generated by Django 3.1.1 on 2020-09-21 15:51
+
+from django.conf import settings
+from django.db import migrations, models
+import django.db.models.deletion
+
+
+class Migration(migrations.Migration):
+
+    initial = True
+
+    dependencies = [
+        migrations.swappable_dependency(settings.AUTH_USER_MODEL),
+        ('contenttypes', '0002_remove_content_type_name'),
+        ('participation', '0001_initial'),
+    ]
+
+    operations = [
+        migrations.CreateModel(
+            name='Registration',
+            fields=[
+                ('id', models.AutoField(auto_created=True, primary_key=True, serialize=False, verbose_name='ID')),
+                ('give_contact_to_animath', models.BooleanField(default=False, verbose_name='Grant Animath to contact me in the future about other actions')),
+                ('polymorphic_ctype', models.ForeignKey(editable=False, null=True, on_delete=django.db.models.deletion.CASCADE, related_name='polymorphic_registration.registration_set+', to='contenttypes.contenttype')),
+                ('team', models.ForeignKey(default=None, null=True, on_delete=django.db.models.deletion.PROTECT, to='participation.team', verbose_name='team')),
+                ('user', models.OneToOneField(on_delete=django.db.models.deletion.CASCADE, to=settings.AUTH_USER_MODEL, verbose_name='user')),
+            ],
+            options={
+                'verbose_name': 'registration',
+                'verbose_name_plural': 'registrations',
+            },
+        ),
+        migrations.CreateModel(
+            name='AdminRegistration',
+            fields=[
+                ('registration_ptr', models.OneToOneField(auto_created=True, on_delete=django.db.models.deletion.CASCADE, parent_link=True, primary_key=True, serialize=False, to='registration.registration')),
+                ('role', models.TextField(verbose_name='role of the administrator')),
+            ],
+            options={
+                'verbose_name': 'admin registration',
+                'verbose_name_plural': 'admin registrations',
+            },
+            bases=('registration.registration',),
+        ),
+        migrations.CreateModel(
+            name='CoachRegistration',
+            fields=[
+                ('registration_ptr', models.OneToOneField(auto_created=True, on_delete=django.db.models.deletion.CASCADE, parent_link=True, primary_key=True, serialize=False, to='registration.registration')),
+                ('professional_activity', models.TextField(verbose_name='professional activity')),
+            ],
+            options={
+                'verbose_name': 'coach registration',
+                'verbose_name_plural': 'coach registrations',
+            },
+            bases=('registration.registration',),
+        ),
+        migrations.CreateModel(
+            name='StudentRegistration',
+            fields=[
+                ('registration_ptr', models.OneToOneField(auto_created=True, on_delete=django.db.models.deletion.CASCADE, parent_link=True, primary_key=True, serialize=False, to='registration.registration')),
+                ('student_class', models.IntegerField(choices=[(12, '12th grade'), (11, '11th grade'), (10, '10th grade or lower')], verbose_name='student class')),
+                ('school', models.CharField(max_length=255, verbose_name='school')),
+            ],
+            options={
+                'verbose_name': 'student registration',
+                'verbose_name_plural': 'student registrations',
+            },
+            bases=('registration.registration',),
+        ),
+    ]

apps/registration/models.py

@@ -1,3 +1,88 @@
 from django.db import models
+from django.utils.translation import gettext_lazy as _
+from polymorphic.models import PolymorphicModel
 
-# Create your models here.
+
+class Registration(PolymorphicModel):
+    user = models.OneToOneField(
+        "auth.User",
+        on_delete=models.CASCADE,
+        verbose_name=_("user"),
+    )
+
+    team = models.ForeignKey(
+        "participation.Team",
+        on_delete=models.PROTECT,
+        null=True,
+        default=None,
+        verbose_name=_("team"),
+    )
+
+    give_contact_to_animath = models.BooleanField(
+        default=False,
+        verbose_name=_("Grant Animath to contact me in the future about other actions"),
+    )
+
+    @property
+    def type(self):
+        raise NotImplementedError
+
+    def __str__(self):
+        return _("registration of {first_name} {last_name}")\
+            .format(first_name=self.user.first_name, last_name=self.user.last_name)
+
+    class Meta:
+        verbose_name = _("registration")
+        verbose_name_plural = _("registrations")
+
+
+class StudentRegistration(Registration):
+    student_class = models.IntegerField(
+        choices=[
+            (12, _("12th grade")),
+            (11, _("11th grade")),
+            (10, _("10th grade or lower")),
+        ],
+        verbose_name=_("student class"),
+    )
+
+    school = models.CharField(
+        max_length=255,
+        verbose_name=_("school"),
+    )
+
+    @property
+    def type(self):
+        return _("student")
+
+    class Meta:
+        verbose_name = _("student registration")
+        verbose_name_plural = _("student registrations")
+
+
+class CoachRegistration(Registration):
+    professional_activity = models.TextField(
+        verbose_name=_("professional activity"),
+    )
+
+    @property
+    def type(self):
+        return _("coach")
+
+    class Meta:
+        verbose_name = _("coach registration")
+        verbose_name_plural = _("coach registrations")
+
+
+class AdminRegistration(Registration):
+    role = models.TextField(
+        verbose_name=_("role of the administrator"),
+    )
+
+    @property
+    def type(self):
+        return _("admin")
+
+    class Meta:
+        verbose_name = _("admin registration")
+        verbose_name_plural = _("admin registrations")