Added subject controller + page create show

app/Http/Controllers/SubjectController.php

+<?php
+
+namespace App\Http\Controllers;
+
+use App\Http\Requests\SubjectRequest;
+use App\Models\Subject;
+use Illuminate\Http\Request;
+
+class SubjectController extends Controller
+{
+    /**
+     * Display a listing of the resource.
+     *
+     * @return \Illuminate\Http\Response
+     */
+    public function index()
+    {
+        $subjects = Subject::orderBy('name', 'asc')->get();
+        return view('subject.index', ['subjects' => $subjects]);
+    }
+
+    /**
+     * Show the form for creating a new resource.
+     *
+     * @return \Illuminate\Http\Response
+     */
+    public function create()
+    {
+        return view('subject.create');
+    }
+
+    /**
+     * Store a newly created resource in storage.
+     *
+     * @param  \Illuminate\Http\Request  $request
+     * @return \Illuminate\Http\Response
+     */
+    public function store(SubjectRequest $request)
+    {
+        $data = $request->validated();
+        $subject = new Subject();
+        $subject->fill($data);
+        $subject->save();
+        return redirect()->route('subject.show', $subject);
+    }
+
+    /**
+     * Display the specified resource.
+     *
+     * @param  \App\Models\Subject  $subject
+     * @return \Illuminate\Http\Response
+     */
+    public function show(Subject $subject)
+    {
+        return view('subject.show', ['subject' => $subject]);
+    }
+
+    /**
+     * Show the form for editing the specified resource.
+     *
+     * @param  \App\Models\Subject  $subject
+     * @return \Illuminate\Http\Response
+     */
+    public function edit(Subject $subject)
+    {
+        return;
+    }
+
+    /**
+     * Update the specified resource in storage.
+     *
+     * @param  \Illuminate\Http\Request  $request
+     * @param  \App\Models\Subject  $subject
+     * @return \Illuminate\Http\Response
+     */
+    public function update(SubjectRequest $request, Subject $subject)
+    {
+        return;
+    }
+
+    /**
+     * Remove the specified resource from storage.
+     *
+     * @param  \App\Models\Subject  $subject
+     * @return \Illuminate\Http\Response
+     */
+    public function destroy(Subject $subject)
+    {
+        return;
+    }
+}

app/Http/Requests/SubjectRequest.php

+<?php
+
+namespace App\Http\Requests;
+
+use Illuminate\Foundation\Http\FormRequest;
+
+class SubjectRequest extends FormRequest
+{
+    /**
+     * Determine if the user is authorized to make this request.
+     *
+     * @return bool
+     */
+    public function authorize()
+    {
+        return true;
+    }
+
+    /**
+     * Get the validation rules that apply to the request.
+     *
+     * @return array
+     */
+    public function rules()
+    {
+        return [
+            'name' => 'required',
+        ];
+    }
+}

app/Models/Subject.php

+<?php
+
+namespace App\Models;
+
+use Illuminate\Database\Eloquent\Factories\HasFactory;
+use Illuminate\Database\Eloquent\Model;
+use Illuminate\Database\Eloquent\SoftDeletes;
+
+class Subject extends Model
+{
+    use HasFactory, SoftDeletes;
+
+    protected $fillable = ['name'];
+}

public/css/app.css

@@ -1181,6 +1181,9 @@ select {
 .block {
 	display: block;
 }
+.inline-block {
+	display: inline-block;
+}
 .flex {
 	display: flex;
 }
@@ -1510,6 +1513,14 @@ select {
 	--tw-bg-opacity: 1;
 	background-color: rgba(229, 231, 235, var(--tw-bg-opacity));
 }
+.bg-green-500 {
+	--tw-bg-opacity: 1;
+	background-color: rgba(16, 185, 129, var(--tw-bg-opacity));
+}
+.bg-gray-300 {
+	--tw-bg-opacity: 1;
+	background-color: rgba(209, 213, 219, var(--tw-bg-opacity));
+}
 .bg-opacity-25 {
 	--tw-bg-opacity: 0.25;
 }
@@ -1532,6 +1543,9 @@ select {
 .p-6 {
 	padding: 1.5rem;
 }
+.p-1 {
+	padding: 0.25rem;
+}
 .px-4 {
 	padding-left: 1rem;
 	padding-right: 1rem;
@@ -1755,6 +1769,10 @@ select {
 	--tw-text-opacity: 1;
 	color: rgba(209, 213, 219, var(--tw-text-opacity));
 }
+.text-blue-500 {
+	--tw-text-opacity: 1;
+	color: rgba(59, 130, 246, var(--tw-text-opacity));
+}
 .underline {
 	text-decoration: underline;
 }
@@ -1894,6 +1912,9 @@ select {
 	--tw-text-opacity: 1;
 	color: rgba(17, 24, 39, var(--tw-text-opacity));
 }
+.hover\:underline:hover {
+	text-decoration: underline;
+}
 .focus\:z-10:focus {
 	z-index: 10;
 }

resources/views/navigation-menu.blade.php

@@ -16,6 +16,11 @@
                         {{ __('Dashboard') }}
                     </x-jet-nav-link>
                 </div>
+                <div class="hidden space-x-8 sm:-my-px sm:ml-10 sm:flex">
+                    <x-jet-nav-link href="{{ route('subject.index') }}" :active="request()->routeIs('subject.*')">
+                        {{ __('Subjects') }}
+                    </x-jet-nav-link>
+                </div>
             </div>
 
             <div class="hidden sm:flex sm:items-center sm:ml-6">

resources/views/subject/create.blade.php

+<x-app-layout>
+    <x-slot name="header">
+        <h2 class="font-semibold text-xl text-gray-800 leading-tight">
+            {{ 'Create a new subject' }}
+        </h2>
+    </x-slot>
+
+    <form action="{{ route('subject.store') }}" method="POST">
+        @csrf
+        <input type="text" name="name" placeholder="Name" value="{{ old('name') }}">
+        <button type="submit">Create</button>
+    </form>
+
+    @if ($errors->any())
+        <br>
+        <h3>Errors</h3>
+        @foreach ($errors->all() as $item)
+            <li>{{ $item }}</li>
+        @endforeach
+    @endif
+</x-app-layout>

resources/views/subject/index.blade.php

+<x-app-layout>
+    <x-slot name="header">
+        <h2 class="font-semibold text-xl text-gray-800 leading-tight">
+            {{ 'All subjects' }}
+        </h2>
+    </x-slot>
+
+    <a href="{{ route('subject.create') }}" class="bg-green-500 text-white p-1 inline-block">New subject</a>
+
+    <br>
+
+    @foreach ($subjects as $subject)
+        <a href="{{ route('subject.show', $subject) }}" class="text-blue-500 hover:underline">{{ $subject->created_at }} {{ $subject->name }}</a>
+        <br>
+    @endforeach
+</x-app-layout>

resources/views/subject/show.blade.php

+<x-app-layout>
+    <x-slot name="header">
+        <h2 class="font-semibold text-xl text-gray-800 leading-tight">
+            {{ 'Subject "' . $subject->name . '"'}}
+        </h2>
+    </x-slot>
+
+    <a href="{{ url('subject') }}" class="bg-gray-300 p-1 inline-block">Back</a>
+
+    <p>published : {{ date('d-m-Y H:i', strtotime($subject->created_at)) }}</p>
+
+</x-app-layout>

routes/web.php

 <?php
 
+use App\Http\Controllers\SubjectController;
 use Illuminate\Support\Facades\Route;
 
 /*
@@ -13,10 +14,14 @@ use Illuminate\Support\Facades\Route;
 |
 */
 
-Route::get('/', function () {
+Route::get('/', function ()
+{
     return view('welcome');
 });
 
-Route::middleware(['auth:sanctum', 'verified'])->get('/dashboard', function () {
+Route::middleware(['auth:sanctum', 'verified'])->get('/dashboard', function ()
+{
     return view('dashboard');
 })->name('dashboard');
+
+Route::resource('/subject', SubjectController::class);