Create a blog post model

Ref #16

blog/migrations/0001_initial.py

@@ -0,0 +1,29 @@
+# Generated by Django 3.2.18 on 2023-08-22 09:14
+
+import django.db.models.deletion
+import django.utils.timezone
+from django.conf import settings
+from django.db import migrations, models
+
+
+class Migration(migrations.Migration):
+
+    initial = True
+
+    dependencies = [
+        migrations.swappable_dependency(settings.AUTH_USER_MODEL),
+    ]
+
+    operations = [
+        migrations.CreateModel(
+            name='Post',
+            fields=[
+                ('id', models.BigAutoField(auto_created=True, primary_key=True, serialize=False, verbose_name='ID')),
+                ('title', models.CharField(max_length=200)),
+                ('text', models.TextField()),
+                ('created_date', models.DateTimeField(default=django.utils.timezone.now)),
+                ('published_date', models.DateTimeField(blank=True, null=True)),
+                ('author', models.ForeignKey(on_delete=django.db.models.deletion.CASCADE, to=settings.AUTH_USER_MODEL)),
+            ],
+        ),
+    ]

blog/models.py

@@ -1 +1,26 @@
 """Models for the blog app."""
+
+from django.conf import settings
+from django.db import models
+from django.utils import timezone
+
+
+class Post(models.Model):
+    """A class to represent a post."""
+
+    author = models.ForeignKey(
+        settings.AUTH_USER_MODEL, on_delete=models.CASCADE,
+    )
+    title = models.CharField(max_length=200)
+    text = models.TextField()
+    created_date = models.DateTimeField(default=timezone.now)
+    published_date = models.DateTimeField(blank=True, null=True)
+
+    def publish(self):
+        """Save the post entry."""
+        self.published_date = timezone.now
+        self.save()
+
+    def __str__(self):
+        """Return the post title."""
+        return str(self.title)