opentextsummaries/app/Http/Controllers/BookController.php

<?php

namespace App\Http\Controllers;

use App\Models\Book;
use App\Models\Category;
use Illuminate\Http\Request;
use Illuminate\Support\Str;

class BookController extends Controller
{
    /**
     * Display a listing of the resource.
     */
    public function index()
    {
        $books = Book::with('category')->get();
        return view('books.index', compact('books'));
    }

    /**
     * Show the form for creating a new resource.
     */
    public function create()
    {
        $categories = Category::all();
        return view('books.create', compact('categories'));
    }

    /**
     * Store a newly created resource in storage.
     */
    public function store(Request $request)
    {
        $request->validate([
            'title' => 'required|string|max:255',
            'author' => 'required|string|max:255',
            'description' => 'nullable|string',
            'publication_date' => 'nullable|date',
            'cover_image' => 'nullable|string|max:255',
            'category_id' => 'required|exists:categories,id',
        ]);

        Book::create([
            'title' => $request->title,
            'slug' => Str::slug($request->title),
            'author' => $request->author,
            'description' => $request->description,
            'publication_date' => $request->publication_date,
            'cover_image' => $request->cover_image,
            'category_id' => $request->category_id,
        ]);

        return redirect()->route('books.index')
            ->with('success', 'Book created successfully.');
    }

    /**
     * Display the specified resource.
     */
    public function show(Book $book)
    {
        return view('books.show', compact('book'));
    }

    /**
     * Show the form for editing the specified resource.
     */
    public function edit(Book $book)
    {
        $categories = Category::all();
        return view('books.edit', compact('book', 'categories'));
    }

    /**
     * Update the specified resource in storage.
     */
    public function update(Request $request, Book $book)
    {
        $request->validate([
            'title' => 'required|string|max:255',
            'author' => 'required|string|max:255',
            'description' => 'nullable|string',
            'publication_date' => 'nullable|date',
            'cover_image' => 'nullable|string|max:255',
            'category_id' => 'required|exists:categories,id',
        ]);

        $book->update([
            'title' => $request->title,
            'slug' => Str::slug($request->title),
            'author' => $request->author,
            'description' => $request->description,
            'publication_date' => $request->publication_date,
            'cover_image' => $request->cover_image,
            'category_id' => $request->category_id,
        ]);

        return redirect()->route('books.index')
            ->with('success', 'Book updated successfully.');
    }

    /**
     * Remove the specified resource from storage.
     */
    public function destroy(Book $book)
    {
        $book->delete();

        return redirect()->route('books.index')
            ->with('success', 'Book deleted successfully.');
    }
}