Implemented Author and Book models and created admin panel of app bookshelf

tanyayotoko_reading/bookshelf/admin.py

 from django.contrib import admin
+from .models import Author, Book
 
-# Register your models here.
+class AuthorAdmin(admin.ModelAdmin):
+	model = Author
+	list_display = ("first_name","last_name","age","nationality","bio")
+	search_fields = ("first_name","last_name")
+	list_filter = ("first_name","last_name","nationality")
+
+class BookAdmin(admin.ModelAdmin):
+	model = Book
+	list_display = ("title","author","publisher","year_published","ISBN","blurb")
+	search_fields = ("title","author","publisher","year_published","ISBN")
+	list_filter = ("author","publisher","year_published")
+
+
+admin.site.register(Author, AuthorAdmin)
+admin.site.register(Book, BookAdmin)
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tanyayotoko_reading/bookshelf/migrations/0001_initial.py

+# Generated by Django 4.1.7 on 2023-03-28 13:53
+
+import django.core.validators
+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(default='', max_length=100)),
+                ('last_name', models.CharField(default='', max_length=100)),
+                ('age', models.PositiveIntegerField()),
+                ('nationality', models.CharField(default='', max_length=100)),
+                ('bio', models.TextField(default='', max_length=700)),
+            ],
+        ),
+        migrations.CreateModel(
+            name='Book',
+            fields=[
+                ('id', models.BigAutoField(auto_created=True, primary_key=True, serialize=False, verbose_name='ID')),
+                ('title', models.CharField(default='', max_length=100)),
+                ('publisher', models.CharField(default='', max_length=100)),
+                ('year_published', models.PositiveIntegerField(validators=[django.core.validators.MaxValueValidator(2023)])),
+                ('ISBN', models.PositiveIntegerField(unique=True, validators=[django.core.validators.MaxValueValidator(9999999999999), django.core.validators.MinValueValidator(1000000000000)])),
+                ('blurb', models.TextField(default='', max_length=200, validators=[django.core.validators.MinLengthValidator(100)])),
+                ('author', models.ForeignKey(on_delete=django.db.models.deletion.CASCADE, to='bookshelf.author')),
+            ],
+        ),
+    ]

tanyayotoko_reading/bookshelf/models.py

 from django.db import models
+from django.core.validators import MinValueValidator,MaxValueValidator,MinLengthValidator
 
-# Create your models here.
+class Author(models.Model):
+	first_name = models.CharField(max_length=100,default="")
+	last_name = models.CharField(max_length=100,default="")
+	age = models.PositiveIntegerField()
+	nationality = models.CharField(max_length=100,default="")
+	bio = models.TextField(max_length=700,default="")
+
+	def __str__(self):
+		return '{}'.format(self.title)
+
+class Book(models.Model):
+	title = models.CharField(max_length=100,default="")
+	author = models.ForeignKey(Author,on_delete=models.CASCADE)
+	publisher = models.CharField(max_length=100,default="")
+	year_published = models.PositiveIntegerField(validators=[MaxValueValidator(2023)])
+	ISBN = models.PositiveIntegerField(unique=True,validators=[MaxValueValidator(9999999999999),MinValueValidator(1000000000000)])
+	blurb = models.TextField(validators=[MinLengthValidator(100)],max_length=200,default="")
+
+	def __str__(self):
+		return '{}'.format(self.body)
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