Add test_examples app

Author: martin056

config/django/base.py

@@ -40,6 +40,7 @@
     'styleguide_example.api.apps.ApiConfig',
     'styleguide_example.users.apps.UsersConfig',
     'styleguide_example.errors.apps.ErrorsConfig',
+    'styleguide_example.test_examples.apps.TestExamplesConfig',
 ]
 
 THIRD_PARTY_APPS = [
@@ -105,12 +106,12 @@
 if os.environ.get('GITHUB_WORKFLOW'):
     DATABASES = {
         'default': {
-           'ENGINE': 'django.db.backends.postgresql',
-           'NAME': 'github_actions',
-           'USER': 'postgres',
-           'PASSWORD': 'postgres',
-           'HOST': '127.0.0.1',
-           'PORT': '5432',
+            'ENGINE': 'django.db.backends.postgresql',
+            'NAME': 'github_actions',
+            'USER': 'postgres',
+            'PASSWORD': 'postgres',
+            'HOST': '127.0.0.1',
+            'PORT': '5432',
         }
     }
 

styleguide_example/common/apps.py

@@ -2,4 +2,5 @@
 
 
 class CommonConfig(AppConfig):
+    default_auto_field = 'django.db.models.BigAutoField'
     name = 'styleguide_example.common'

styleguide_example/common/migrations/0002_alter_randommodel_id.py

@@ -0,0 +1,18 @@
+# Generated by Django 3.2.9 on 2021-11-18 09:46
+
+from django.db import migrations, models
+
+
+class Migration(migrations.Migration):
+
+    dependencies = [
+        ('common', '0001_initial'),
+    ]
+
+    operations = [
+        migrations.AlterField(
+            model_name='randommodel',
+            name='id',
+            field=models.BigAutoField(auto_created=True, primary_key=True, serialize=False, verbose_name='ID'),
+        ),
+    ]

styleguide_example/test_examples/__init__.py

@@ -0,0 +1,3 @@
+from django.contrib import admin
+
+# Register your models here.

styleguide_example/test_examples/admin.py

@@ -0,0 +1,6 @@
+from django.apps import AppConfig
+
+
+class TestExamplesConfig(AppConfig):
+    default_auto_field = 'django.db.models.BigAutoField'
+    name = 'styleguide_example.test_examples'

styleguide_example/test_examples/apps.py

@@ -0,0 +1,65 @@
+# Generated by Django 3.2.9 on 2021-11-18 09:46
+
+from django.db import migrations, models
+import django.db.models.deletion
+import django.db.models.expressions
+import uuid
+
+
+class Migration(migrations.Migration):
+
+    initial = True
+
+    dependencies = [
+    ]
+
+    operations = [
+        migrations.CreateModel(
+            name='School',
+            fields=[
+                ('id', models.BigAutoField(auto_created=True, primary_key=True, serialize=False, verbose_name='ID')),
+                ('name', models.CharField(max_length=255)),
+                ('slug', models.SlugField(max_length=255, unique=True)),
+            ],
+        ),
+        migrations.CreateModel(
+            name='Student',
+            fields=[
+                ('id', models.BigAutoField(auto_created=True, primary_key=True, serialize=False, verbose_name='ID')),
+                ('email', models.EmailField(max_length=255)),
+                ('identifier', models.UUIDField(default=uuid.uuid4)),
+                ('school', models.ForeignKey(on_delete=django.db.models.deletion.CASCADE, related_name='students', to='test_examples.school')),
+            ],
+            options={
+                'unique_together': {('identifier', 'school'), ('email', 'school')},
+            },
+        ),
+        migrations.CreateModel(
+            name='SchoolClass',
+            fields=[
+                ('id', models.BigAutoField(auto_created=True, primary_key=True, serialize=False, verbose_name='ID')),
+                ('name', models.CharField(max_length=255)),
+                ('slug', models.SlugField(max_length=255)),
+                ('school', models.ForeignKey(on_delete=django.db.models.deletion.CASCADE, related_name='school_classes', to='test_examples.school')),
+            ],
+            options={
+                'unique_together': {('slug', 'school')},
+            },
+        ),
+        migrations.CreateModel(
+            name='Roster',
+            fields=[
+                ('id', models.BigAutoField(auto_created=True, primary_key=True, serialize=False, verbose_name='ID')),
+                ('start_date', models.DateField()),
+                ('end_date', models.DateField()),
+                ('active', models.BooleanField(default=True)),
+                ('deactivated_at', models.DateField(null=True)),
+                ('school_class', models.ForeignKey(on_delete=django.db.models.deletion.CASCADE, related_name='rosters', to='test_examples.schoolclass')),
+                ('student', models.ForeignKey(on_delete=django.db.models.deletion.CASCADE, related_name='rosters', to='test_examples.student')),
+            ],
+        ),
+        migrations.AddConstraint(
+            model_name='roster',
+            constraint=models.CheckConstraint(check=models.Q(('start_date__lt', django.db.models.expressions.F('end_date'))), name='roster_start_before_end'),
+        ),
+    ]

styleguide_example/test_examples/migrations/0001_initial.py

@@ -0,0 +1,57 @@
+from uuid import uuid4
+
+from django.db import models
+from django.db.models.query import F, Q
+
+
+class School(models.Model):
+    name = models.CharField(max_length=255)
+    slug = models.SlugField(max_length=255, unique=True)
+
+    def __str__(self):
+        return self.name
+
+
+class Student(models.Model):
+    email = models.EmailField(max_length=255)
+    identifier = models.UUIDField(default=uuid4)
+    school = models.ForeignKey(School, related_name='students', on_delete=models.CASCADE)
+
+    class Meta:
+        unique_together = (
+            ('email', 'school'),
+            ('identifier', 'school'),
+        )
+
+    def __str__(self):
+        return f'Student {self.email} ({self.identifier})'
+
+
+class SchoolClass(models.Model):
+    name = models.CharField(max_length=255)
+    slug = models.SlugField(max_length=255)
+    school = models.ForeignKey(School, related_name='school_classes', on_delete=models.CASCADE)
+
+    class Meta:
+        unique_together = (
+            ('slug', 'school'),
+        )
+
+
+class Roster(models.Model):
+    student = models.ForeignKey(Student, related_name='rosters', on_delete=models.CASCADE)
+    school_class = models.ForeignKey(SchoolClass, related_name='rosters', on_delete=models.CASCADE)
+
+    start_date = models.DateField()
+    end_date = models.DateField()
+
+    active = models.BooleanField(default=True)
+    deactivated_at = models.DateField(null=True)
+
+    class Meta:
+        constraints = [
+            models.CheckConstraint(
+                name="roster_start_before_end",
+                check=Q(start_date__lt=F("end_date"))
+            )
+        ]

styleguide_example/test_examples/migrations/__init__.py

@@ -2,4 +2,5 @@
 
 
 class UsersConfig(AppConfig):
+    default_auto_field = 'django.db.models.BigAutoField'
     name = 'styleguide_example.users'