Card: index, create, edit, delete | Improve test coverage | Use locale helper wherever necessary

Author: ebbbang

app/Livewire/Cards/Create.php

@@ -2,12 +2,46 @@
 
 namespace App\Livewire\Cards;
 
+use App\Models\Deck;
+use Illuminate\Validation\Rule;
 use Livewire\Component;
 
 class Create extends Component
 {
-    public function render()
+    public Deck $deck;
+
+    public string $question = '';
+
+    public string $answer = '';
+
+    public function mount(Deck $deck): void
+    {
+        $this->deck = $deck;
+    }
+
+    protected function rules(): array
     {
-        return view('livewire.cards.create');
+        return [
+            'question' => [
+                'required',
+                'string',
+                'max:255',
+                Rule::unique('cards', 'question')->where('deck_id', $this->deck->id),
+            ],
+            'answer' => [
+                'required',
+                'string',
+                'max:255',
+            ],
+        ];
+    }
+
+    public function store(): void
+    {
+        $validated = $this->validate();
+
+        $this->deck->cards()->create($validated);
+
+        $this->redirect(route('cards.index', $this->deck, absolute: false), navigate: true);
     }
 }

app/Livewire/Cards/Edit.php

@@ -0,0 +1,57 @@
+<?php
+
+namespace App\Livewire\Cards;
+
+use App\Models\Card;
+use App\Models\Deck;
+use Illuminate\Validation\Rule;
+use Livewire\Component;
+
+class Edit extends Component
+{
+    public Deck $deck;
+
+    public Card $card;
+
+    public string $question = '';
+
+    public string $answer = '';
+
+    public function mount(Deck $deck, Card $card): void
+    {
+        if ($card->deck_id !== $deck->id) {
+            abort(404);
+        }
+
+        $this->deck = $deck;
+        $this->card = $card;
+        $this->question = $card->question;
+        $this->answer = $card->answer;
+    }
+
+    protected function rules(): array
+    {
+        return [
+            'question' => [
+                'required',
+                'string',
+                'max:255',
+                Rule::unique('cards', 'question')->where('deck_id', $this->deck->id)->ignore($this->card->id),
+            ],
+            'answer' => [
+                'required',
+                'string',
+                'max:255',
+            ],
+        ];
+    }
+
+    public function update(): void
+    {
+        $validated = $this->validate();
+
+        $this->card->update($validated);
+
+        $this->redirect(route('cards.index', $this->deck, absolute: false), navigate: true);
+    }
+}

app/Livewire/Cards/Index.php

@@ -0,0 +1,36 @@
+<?php
+
+namespace App\Livewire\Cards;
+
+use App\Models\Card;
+use App\Models\Deck;
+use Illuminate\Auth\Access\AuthorizationException;
+use Illuminate\Contracts\Support\Renderable;
+use Livewire\Component;
+
+class Index extends Component
+{
+    public Deck $deck;
+
+    public function mount(Deck $deck): void
+    {
+        $this->deck = $deck;
+    }
+
+    public function render(): Renderable
+    {
+        return view('livewire.cards.index', [
+            'cards' => $this->deck->cards()->latest('id')->paginate(),
+        ]);
+    }
+
+    /**
+     * @throws AuthorizationException
+     */
+    public function delete(Card $card): void
+    {
+        $this->authorize('delete', $card);
+
+        $card->delete();
+    }
+}

app/Livewire/Decks/Index.php

@@ -14,7 +14,7 @@ class Index extends Component
     public function render(): Renderable
     {
         return view('livewire.decks.index', [
-            'decks' => Auth::user()->decks()->latest('id')->paginate(),
+            'decks' => Auth::user()->decks()->latest('id')->withCount('cards')->paginate(),
         ]);
     }
 }

app/Livewire/Decks/Show.php

@@ -0,0 +1,20 @@
+<?php
+
+namespace App\Models;
+
+use Illuminate\Database\Eloquent\Factories\HasFactory;
+use Illuminate\Database\Eloquent\Model;
+use Illuminate\Database\Eloquent\Relations\BelongsTo;
+
+class Card extends Model
+{
+    /** @use HasFactory<\Database\Factories\CardFactory> */
+    use HasFactory;
+
+    protected $fillable = ['question', 'answer'];
+
+    public function deck(): BelongsTo
+    {
+        return $this->belongsTo(Deck::class);
+    }
+}

app/Models/Card.php

@@ -5,6 +5,7 @@
 use Illuminate\Database\Eloquent\Factories\HasFactory;
 use Illuminate\Database\Eloquent\Model;
 use Illuminate\Database\Eloquent\Relations\BelongsTo;
+use Illuminate\Database\Eloquent\Relations\HasMany;
 
 class Deck extends Model
 {
@@ -17,4 +18,9 @@ public function user(): BelongsTo
     {
         return $this->belongsTo(User::class);
     }
+
+    public function cards(): HasMany
+    {
+        return $this->hasMany(Card::class);
+    }
 }

app/Models/Deck.php

@@ -0,0 +1,24 @@
+<?php
+
+namespace App\Policies;
+
+use App\Models\Card;
+use App\Models\User;
+
+class CardPolicy
+{
+    public function create(User $user): bool
+    {
+        return true;
+    }
+
+    public function update(User $user, Card $card): bool
+    {
+        return $user->id === $card->deck->user_id;
+    }
+
+    public function delete(User $user, Card $card): bool
+    {
+        return $user->id === $card->deck->user_id;
+    }
+}

app/Policies/CardPolicy.php

@@ -0,0 +1,26 @@
+<?php
+
+namespace Database\Factories;
+
+use App\Models\Deck;
+use Illuminate\Database\Eloquent\Factories\Factory;
+
+/**
+ * @extends \Illuminate\Database\Eloquent\Factories\Factory<\App\Models\Card>
+ */
+class CardFactory extends Factory
+{
+    /**
+     * Define the model's default state.
+     *
+     * @return array<string, mixed>
+     */
+    public function definition(): array
+    {
+        return [
+            'deck_id' => Deck::factory(),
+            'question' => $this->faker->unique()->words(mt_rand(1, 3), true).'?',
+            'answer' => $this->faker->words(mt_rand(1, 3), true),
+        ];
+    }
+}

database/factories/CardFactory.php

@@ -0,0 +1,32 @@
+<?php
+
+use Illuminate\Database\Migrations\Migration;
+use Illuminate\Database\Schema\Blueprint;
+use Illuminate\Support\Facades\Schema;
+
+return new class extends Migration
+{
+    /**
+     * Run the migrations.
+     */
+    public function up(): void
+    {
+        Schema::create('cards', function (Blueprint $table) {
+            $table->id();
+            $table->foreignId('deck_id')->constrained();
+            $table->string('question')->index();
+            $table->string('answer');
+            $table->timestamps();
+
+            $table->unique(['deck_id', 'question']);
+        });
+    }
+
+    /**
+     * Reverse the migrations.
+     */
+    public function down(): void
+    {
+        Schema::dropIfExists('cards');
+    }
+};