Created a post model with its fields, migrated it, and registered it …

…in the admin interface with customization.

Module01/mysite/blog/admin.py

@@ -1,3 +1,13 @@
 from django.contrib import admin
+from .models import Post
 
-# Register your models here.
+
+@admin.register(Post)
+class PostAdmin(admin.ModelAdmin):
+    list_display = ['title', 'slug', 'author', 'publish', 'status']
+    list_filter = ['status', 'created', 'publish', 'author']
+    search_fields = ['title', 'body']
+    prepopulated_fields = {'slug': ('title',)}
+    raw_id_fields = ['author']
+    date_hierarchy = 'publish'
+    ordering = ['status', 'publish']

Module01/mysite/blog/migrations/0001_initial.py

@@ -0,0 +1,36 @@
+# Generated by Django 4.2.4 on 2023-08-20 07:26
+
+from django.conf import settings
+from django.db import migrations, models
+import django.db.models.deletion
+import django.utils.timezone
+
+
+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=250)),
+                ('slug', models.SlugField(max_length=250)),
+                ('body', models.TextField()),
+                ('publish', models.DateTimeField(default=django.utils.timezone.now)),
+                ('created', models.DateTimeField(auto_now_add=True)),
+                ('updated', models.DateTimeField(auto_now=True)),
+                ('status', models.CharField(choices=[('DF', 'Draft'), ('PB', 'Published')], default='DF', max_length=2)),
+                ('author', models.ForeignKey(on_delete=django.db.models.deletion.CASCADE, related_name='blog_posts', to=settings.AUTH_USER_MODEL)),
+            ],
+            options={
+                'ordering': ['-publish'],
+                'indexes': [models.Index(fields=['-publish'], name='blog_post_publish_bb7600_idx')],
+            },
+        ),
+    ]

Module01/mysite/blog/models.py

@@ -1,3 +1,27 @@
 from django.db import models
+from django.utils import timezone
+from django.contrib.auth.models import User
 
-# Create your models here.
+class Post(models.Model):
+
+    class Status(models.TextChoices):
+        DRAFT = 'DF', 'Draft'
+        PUBLISHED = 'PB', 'Published'
+
+    title = models.CharField(max_length=250)
+    slug = models.SlugField(max_length=250)
+    author = models.ForeignKey(User, on_delete=models.CASCADE, related_name='blog_posts')
+    body = models.TextField()
+    publish = models.DateTimeField(default=timezone.now)
+    created = models.DateTimeField(auto_now_add=True)
+    updated = models.DateTimeField(auto_now=True)
+    status = models.CharField(max_length=2, choices=Status.choices, default=Status.DRAFT)
+
+    class Meta:
+        ordering = ['-publish']
+        indexes = [
+            models.Index(fields=['-publish']),
+        ]
+
+    def __str__(self):
+        return self.title

Module01/mysite/blog/urls.py

@@ -0,0 +1,8 @@
+from django.urls import path
+from . import views
+
+app_name = 'blog'
+
+urlpatterns = [
+
+]