Add basic model

server/vbv_lernwelt/course/migrations/0002_auto_20221014_0933.py

@@ -0,0 +1,43 @@
+# Generated by Django 3.2.13 on 2022-10-14 07:33
+
+from django.conf import settings
+from django.db import migrations, models
+import django.db.models.deletion
+
+
+class Migration(migrations.Migration):
+
+    dependencies = [
+        migrations.swappable_dependency(settings.AUTH_USER_MODEL),
+        ('course', '0001_initial'),
+    ]
+
+    operations = [
+        migrations.CreateModel(
+            name='CourseSession',
+            fields=[
+                ('id', models.BigAutoField(auto_created=True, primary_key=True, serialize=False, verbose_name='ID')),
+                ('created_at', models.DateTimeField(auto_now_add=True)),
+                ('updated_at', models.DateTimeField(auto_now=True)),
+                ('title', models.TextField()),
+                ('start_date', models.DateField(blank=True, null=True)),
+                ('end_date', models.DateField(blank=True, null=True)),
+                ('additional_json_data', models.JSONField(default=dict)),
+                ('course', models.ForeignKey(on_delete=django.db.models.deletion.CASCADE, to='course.course')),
+            ],
+        ),
+        migrations.CreateModel(
+            name='CourseSessionUser',
+            fields=[
+                ('id', models.BigAutoField(auto_created=True, primary_key=True, serialize=False, verbose_name='ID')),
+                ('created_at', models.DateTimeField(auto_now_add=True)),
+                ('updated_at', models.DateTimeField(auto_now=True)),
+                ('course_session', models.ForeignKey(on_delete=django.db.models.deletion.CASCADE, to='course.coursesession')),
+                ('user', models.ForeignKey(on_delete=django.db.models.deletion.CASCADE, to=settings.AUTH_USER_MODEL)),
+            ],
+        ),
+        migrations.AddConstraint(
+            model_name='coursesessionuser',
+            constraint=models.UniqueConstraint(fields=('course_session', 'user'), name='course_session_user_unique_course_session_user'),
+        ),
+    ]

server/vbv_lernwelt/course/models.py

@@ -81,3 +81,45 @@ class CourseCompletion(models.Model):
                 name="course_completion_unique_user_page_key",
             )
         ]
+
+
+class CourseSession(models.Model):
+    """
+    Die Durchführung eines Kurses
+    Benutzer die an eine CourseSession gehängt sind können diesen Lehrgang sehen
+    Das anhängen kann via CourseSessionUser oder "Schulklasse (TODO)" geschehen
+    """
+
+    created_at = models.DateTimeField(auto_now_add=True)
+    updated_at = models.DateTimeField(auto_now=True)
+
+    course = models.ForeignKey("course.Course", on_delete=models.CASCADE)
+    title = models.TextField()
+
+    start_date = models.DateField(null=True, blank=True)
+    end_date = models.DateField(null=True, blank=True)
+
+    additional_json_data = models.JSONField(default=dict)
+
+
+class CourseSessionUser(models.Model):
+    """
+    Ein Benutzer der an einer CourseSession teilnimmt
+    """
+
+    created_at = models.DateTimeField(auto_now_add=True)
+    updated_at = models.DateTimeField(auto_now=True)
+
+    course_session = models.ForeignKey("course.CourseSession", on_delete=models.CASCADE)
+    user = models.ForeignKey(User, on_delete=models.CASCADE)
+
+    class Meta:
+        constraints = [
+            UniqueConstraint(
+                fields=[
+                    "course_session",
+                    "user",
+                ],
+                name="course_session_user_unique_course_session_user",
+            )
+        ]