completed code for all

bookshelf/admin.py

+from django.contrib import admin
+from .models import Author, Books
+
+# Register your models here.
+class BooksInLine(admin.TabularInline):
+    model = Books
+
+class AuthorAdmin(admin.ModelAdmin):
+    model = Author
+    list_display = ('first_name', 'last_name', 'age', 'nationality', 'bio')
+    search_fields = ('first_name', 'last_name', 'age', 'nationality')
+
+    inlines = [BooksInLine]
+
+class BooksAdmin(admin.ModelAdmin):
+    list_display = ('title', 'author', 'publisher', 'ISBN', 'year_published')
+
+    def get_name(self, obj):
+        return obj.article.title
+
+    get_name.short_description = 'title'
+    get_name.admin_order_field = 'year_published'    
+
+
+
+admin.site.register(Author, AuthorAdmin)
+admin.site.register(Books, BooksAdmin)
\ No newline at end of file

bookshelf/apps.py

+from django.apps import AppConfig
+
+
+class BookshelfConfig(AppConfig):
+    default_auto_field = 'django.db.models.BigAutoField'
+    name = 'bookshelf'

bookshelf/migrations/0001_initial.py

+# Generated by Django 3.2 on 2023-03-28 13:12
+
+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(max_length=50)),
+                ('last_name', models.CharField(max_length=50)),
+                ('age', models.IntegerField(default=0)),
+                ('nationality', models.CharField(max_length=50)),
+                ('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(default=0)),
+                ('ISBN', models.IntegerField(default=0, validators=[django.core.validators.MinValueValidator(0), django.core.validators.MaxValueValidator(9999999999999)])),
+                ('blurb', models.TextField(max_length=700)),
+                ('author', models.ForeignKey(on_delete=django.db.models.deletion.CASCADE, to='bookshelf.author')),
+            ],
+        ),
+    ]

bookshelf/models.py

+from django.db import models
+from django.core.validators import MaxValueValidator, MinValueValidator
+from django.urls import reverse
+
+# Create your models here.
+class Author(models.Model):
+    first_name = models.CharField(max_length = 50)
+    last_name = models.CharField(max_length = 50)
+    age = models.IntegerField(default = 0)
+    nationality = models.CharField(max_length = 50)
+    bio = models.TextField(max_length = 700)
+
+    def __str__(self):
+        return '{} {}'.format(self.first_name, self.last_name)
+    
+    def get_absolute_url(self):
+        return reverse('bookshelf:author-details', kwargs={'pk':self.pk})
+
+
+class Books(models.Model):
+    title = models.CharField(max_length = 100)
+    author = models.ForeignKey(Author, on_delete=models.CASCADE)
+    publisher = models.CharField(max_length = 100)
+    year_published = models.IntegerField(default = 0)
+    ISBN = models.IntegerField(default = 0000000000000, validators=[MinValueValidator(0000000000000), MaxValueValidator(9999999999999)])
+    blurb = models.TextField(max_length = 700)
+
+    def __str__(self):
+        return self.title
+    
+    def get_absolute_url(self):
+        return reverse('bookshelf:book-details', kwargs={'pk':self.pk})
+    
+
+

bookshelf/templates/bookshelf/author_details.html

+{% extends 'base.html' %}
+{% block title %}{{ author.first_name }} {{ author.last_name }}{% endblock %}
+{% block content %}
+        <h1>{{ author.first_name }} {{ author.last_name }}</h1>
+        <p>
+            {{ author.age }}<br>
+            {{ author.nationality }}<br>
+            {{ author.bio }}<br>
+            Books by {{ author.first_name }} {{ author.last_name }} I love:
+        </p>
+        <ul>
+            {% for books in author.books_set.all %}
+            <li>
+                <a href="{{ books.get_absolute_url }}">{{ books.title }}</a>
+            </li>
+            {% endfor %}
+        </ul>
+        <section class="bottom">
+            <a href="{% url 'bookshelf:home' %}">Home</a>
+            <a href="{% url 'bookshelf:books' %}">Books</a>
+            <a href="{% url 'bookshelf:authors' %}">Authors</a>
+        </section>
+{% endblock %}
\ No newline at end of file

bookshelf/templates/bookshelf/authors.html

+{% extends 'base.html' %}
+{% block title %}My Favorite Authors{% endblock %}
+{% block content %}
+    <h1>Caryn's Favorite Authors:</h1>
+    <ul>
+        {% for author in author_list %}
+        <li>
+            <a href="{{ author.get_absolute_url }}"> {{ author }}</a>
+        </li>
+        {% endfor %}
+    </ul>
+
+    <section class="bottom">
+        <a href="{% url 'bookshelf:home' %}">Home</a>
+        <a href="{% url 'bookshelf:books' %}">Books</a>
+    </section>
+    
+{% endblock %}
\ No newline at end of file

bookshelf/templates/bookshelf/book_details.html

+{% extends 'base.html' %}
+{% block title %}{{ books.title }}{% endblock %}
+{% block content %}
+        <h1>{{ books.title }}</h1>
+        <p>
+            <a href="{{ books.author.get_absolute_url }}">{{ books.author }}</a><br>
+            {{ books.publisher }}<br>
+            {{ books.year_published }}<br>
+            {{ books.ISBN }}<br>
+            {{ books.blurb }}<br>
+        </p>
+        <section class="bottom">
+            <a href="{% url 'bookshelf:home' %}">Home</a>
+            <a href="{% url 'bookshelf:books' %}">Books</a>
+            <a href="{% url 'bookshelf:authors' %}">Authors</a>
+        </section>
+{% endblock %}
\ No newline at end of file

bookshelf/templates/bookshelf/books.html

+{% extends 'base.html' %}
+{% block title %}My Favorite Books{% endblock %}
+{% block content %}
+    <h1>Caryn's Favorite Books:</h1>
+    <ul>
+        {% for book in books_list %}
+        <li>
+            <a href="{{ book.get_absolute_url }}"> {{ book }}</a>
+        </li>
+        {% endfor %}
+    </ul>
+
+    <section class="bottom">
+        <a href="{% url 'bookshelf:home' %}">Home</a>
+        <a href="{% url 'bookshelf:authors' %}">Authors</a>
+    </section>
+{% endblock %}
\ No newline at end of file

bookshelf/templates/bookshelf/home.html

+{% extends 'base.html' %}
+{% block title %}My Favorite Books & Authors{% endblock %}
+{% block content %}
+    <h1>Welcome to Caryn's Database of Favorite Books and Authors!</h1>
+    <p>I like young adult and mystery books.</p>
+    <section class="bottom">
+        <a href="{% url 'bookshelf:books' %}">Books</a>
+        <a href="{% url 'bookshelf:authors' %}">Authors</a>
+    </section>
+    
+{% endblock %}
\ No newline at end of file

bookshelf/tests.py

+from django.test import TestCase
+
+# Create your tests here.

bookshelf/urls.py

+from django.urls import path
+from . import views
+from .views import *
+
+urlpatterns = [
+    path('home/', home, name = "home"),
+    path('authors/', AuthorsListView.as_view(), name = "authors"),
+    path('authors/<int:pk>/details', AuthorDetailsView.as_view(), name = "author-details"),
+    path('books/', BooksListView.as_view(), name = "books"),
+    path('books/<int:pk>/details', BookDetailsView.as_view(), name = "book-details")
+]
+
+app_name = 'bookshelf'
\ No newline at end of file

bookshelf/views.py

+from django.template import loader
+from django.shortcuts import render
+from django.http import HttpResponse
+from .models import Author, Books
+from django.views.generic.list import ListView
+from django.views.generic.detail import DetailView
+
+# Create your views here.
+def home(request):
+    return render(request, 'bookshelf/home.html')
+
+class BooksListView(ListView):
+    model = Books
+    template_name = 'bookshelf/books.html'
+
+class BookDetailsView(DetailView):
+    model = Books
+    template_name = 'bookshelf/book_details.html'
+
+class AuthorsListView(ListView):
+    model = Author
+    template_name = 'bookshelf/authors.html'
+
+class AuthorDetailsView(DetailView):
+    model = Author
+    template_name = 'bookshelf/author_details.html'
\ No newline at end of file

carynlopezgo_reading/settings.py

@@ -32,7 +32,7 @@ ALLOWED_HOSTS = []
 # Application definition
 
 INSTALLED_APPS = [
-    'bookshelf'
+    'bookshelf.apps.BookshelfConfig',
     'django.contrib.admin',
     'django.contrib.auth',
     'django.contrib.contenttypes',
@@ -120,6 +120,7 @@ USE_TZ = True
 # https://docs.djangoproject.com/en/3.2/howto/static-files/
 
 STATIC_URL = '/static/'
+STATICFILES_DIRS = [os.path.join(BASE_DIR, 'static')]
 
 # Default primary key field type
 # https://docs.djangoproject.com/en/3.2/ref/settings/#default-auto-field

carynlopezgo_reading/urls.py

@@ -17,6 +17,6 @@ from django.contrib import admin
 from django.urls import include, path
 
 urlpatterns = [
-    path('bookshelf/', include("bookshelf.urls")),
+    path('', include("bookshelf.urls")),
     path('admin/', admin.site.urls)
 ]
\ No newline at end of file

static/style.css

+@import url('https://fonts.googleapis.com/css2?family=Poppins:wght@100;200;300;400;500;600;700;800;900&display=swap');
+
+
+body {
+    background-color: #7d3573 ;
+    color: #fcfaf4;
+    font-family: 'Poppins', sans-serif;
+    display: flex;
+    justify-content: center;
+    align-items: center;
+}
+h1{
+    font-size: xx-large;
+}
+p{
+    font-size: larger;
+}
+a{
+    color: darkorange;
+    text-decoration: none;
+}
+li{
+    list-style-type: none;
+}
+.bottom{
+    display: flex;
+    align-items: center;
+    justify-content: space-between;
+}
+.bottom a{
+    color: white;
+    border-radius: 10px;
+    padding: 10px 20px;
+    background: darkorange;
+    font-size: large;
+    text-decoration: none;
+}
\ No newline at end of file

templates/base.html

+{% load static %}
+<!DOCTYPE html>
+<html lang="en">
+<head>
+    <link rel="stylesheet" href=" {% static '/style.css' %}"/>
+    <title>{% block title %}My Favorite Books & Authors{% endblock %}</title>
+    {% block styles %}{% endblock %}
+</head>
+<body>
+    <div id="content">
+        {% block content %}{% endblock %}
+    </div>
+    {% block scripts %}{% endblock %}
+</body>
+</html>
\ No newline at end of file