Updated Models and Admin and Populate some Data

joshbenito_reading/bookshelf/admin.py

 from django.contrib import admin
 from .models import Author, Books
 
+class BooksInline(admin.TabularInline):
+    model = Books
+
 class AuthorAdmin(admin.ModelAdmin):
     model = Author
 
+    list_display = ('first_name', 'last_name', 'age', 'nationality', 'bio',)
+
+    inlines = [BooksInline]
+
 class BooksAdmin(admin.ModelAdmin):
     model = Books
 

joshbenito_reading/bookshelf/migrations/0001_initial.py

+# Generated by Django 4.1.7 on 2023-03-30 06:15
+
+from django.db import migrations, models
+import django.db.models.deletion
+
+
+class Migration(migrations.Migration):
+
+    initial = True
+
+    dependencies = [
+    ]
+
+    operations = [
+        migrations.CreateModel(
+            name='Author',
+            fields=[
+                ('id', models.BigAutoField(auto_created=True, primary_key=True, serialize=False, verbose_name='ID')),
+                ('first_name', models.CharField(max_length=100)),
+                ('last_name', models.CharField(max_length=100)),
+                ('age', models.IntegerField()),
+                ('nationality', models.CharField(max_length=20)),
+                ('bio', models.TextField(max_length=700)),
+            ],
+        ),
+        migrations.CreateModel(
+            name='Books',
+            fields=[
+                ('id', models.BigAutoField(auto_created=True, primary_key=True, serialize=False, verbose_name='ID')),
+                ('title', models.CharField(max_length=100)),
+                ('publisher', models.CharField(max_length=100)),
+                ('year_published', models.IntegerField()),
+                ('ISBN', models.IntegerField()),
+                ('blurb', models.TextField()),
+                ('author', models.ForeignKey(on_delete=django.db.models.deletion.CASCADE, to='bookshelf.author')),
+            ],
+        ),
+    ]

joshbenito_reading/bookshelf/models.py

 from django.db import models
+from django.urls import reverse
 
 # Create your models here.
 class Author(models.Model):

joshbenito_reading/joshbenito_reading/settings.py

@@ -31,6 +31,7 @@ ALLOWED_HOSTS = []
 # Application definition
 
 INSTALLED_APPS = [
+    'bookshelf.apps.BookshelfConfig',
     'django.contrib.admin',
     'django.contrib.auth',
     'django.contrib.contenttypes',