From 34551e085aa7c231674785f7eaec49887237bafa Mon Sep 17 00:00:00 2001
From: AmonDeShir <amonsir29@gmail.com>
Date: Mon, 12 Aug 2024 12:36:26 +0200
Subject: [PATCH] add quiz cloning

---
 app/Http/Controllers/QuizController.php | 12 +++++++
 app/Models/Quiz.php                     | 16 +++++++++
 routes/web.php                          |  1 +
 tests/Feature/QuizTest.php              | 48 +++++++++++++++++++++++++
 4 files changed, 77 insertions(+)

diff --git a/app/Http/Controllers/QuizController.php b/app/Http/Controllers/QuizController.php
index 111501dd..7fb67303 100644
--- a/app/Http/Controllers/QuizController.php
+++ b/app/Http/Controllers/QuizController.php
@@ -79,4 +79,16 @@ public function destroy(Quiz $quiz): RedirectResponse
             ->back()
             ->with("success", "Quiz deleted");
     }
+
+    /**
+     * @throws AuthorizationException
+     */
+    public function clone(Quiz $quiz): RedirectResponse
+    {
+        $quiz->clone();
+
+        return redirect()
+            ->back()
+            ->with("success", "Quiz cloned");
+    }
 }
diff --git a/app/Models/Quiz.php b/app/Models/Quiz.php
index c38b5bf3..7576f3bd 100644
--- a/app/Models/Quiz.php
+++ b/app/Models/Quiz.php
@@ -5,6 +5,7 @@
 namespace App\Models;
 
 use Carbon\Carbon;
+use Illuminate\Auth\Access\AuthorizationException;
 use Illuminate\Database\Eloquent\Casts\Attribute;
 use Illuminate\Database\Eloquent\Factories\HasFactory;
 use Illuminate\Database\Eloquent\Model;
@@ -47,6 +48,21 @@ public function isLocked(): Attribute
         return Attribute::get(fn(): bool => $this->locked_at !== null);
     }
 
+    /**
+     * @throws AuthorizationException
+     */
+    public function clone(): self
+    {
+        $quizCopy = $this->replicate();
+        $quizCopy->save();
+
+        foreach ($this->questions as $question) {
+            $question->cloneTo($quizCopy);
+        }
+
+        return $quizCopy;
+    }
+
     protected function casts(): array
     {
         return [
diff --git a/routes/web.php b/routes/web.php
index c8a188e0..54d9c4c6 100644
--- a/routes/web.php
+++ b/routes/web.php
@@ -11,6 +11,7 @@
 Route::get("/", fn(): Response => inertia("Welcome"));
 
 Route::post("/quizzes/{quiz}/lock", [QuizController::class, "lock"]);
+Route::post("/quizzes/{quiz}/clone/", [QuizController::class, "clone"]);
 Route::post("/questions/{question}/clone/{quiz}", [QuizQuestionController::class, "clone"]);
 Route::post("/answers/{answer}/correct", [QuestionAnswerController::class, "markAsCorrect"]);
 Route::post("/answers/{answer}/invalid", [QuestionAnswerController::class, "markAsInvalid"]);
diff --git a/tests/Feature/QuizTest.php b/tests/Feature/QuizTest.php
index ef680a89..bacd41d7 100644
--- a/tests/Feature/QuizTest.php
+++ b/tests/Feature/QuizTest.php
@@ -227,4 +227,52 @@ public function testUserCannotDeleteQuestionThatNotExisted(): void
             ->delete("/quizzes/1")
             ->assertStatus(404);
     }
+
+    public function testUserCanCopyQuiz(): void
+    {
+        $user = User::factory()->create();
+        $quiz = Quiz::factory()->create();
+        $questions = Question::factory()->count(2)->create(["quiz_id" => $quiz->id]);
+
+        Answer::factory()->count(10)->create(["question_id" => $questions[0]->id]);
+        Answer::factory()->count(10)->create(["question_id" => $questions[1]->id]);
+
+        $this->assertDatabaseCount("quizzes", 1);
+        $this->assertDatabaseCount("questions", 2);
+        $this->assertDatabaseCount("answers", 20);
+
+        $this->actingAs($user)
+            ->from("/")
+            ->post("/quizzes/{$quiz->id}/clone")
+            ->assertRedirect("/");
+
+        $this->assertDatabaseCount("quizzes", 2);
+        $this->assertDatabaseCount("questions", 4);
+        $this->assertDatabaseCount("answers", 40);
+    }
+
+    public function testUserCanCopyLockedQuiz(): void
+    {
+        $user = User::factory()->create();
+        $quiz = Quiz::factory()->locked()->create();
+
+        $this->assertDatabaseCount("quizzes", 1);
+
+        $this->actingAs($user)
+            ->from("/")
+            ->post("/quizzes/{$quiz->id}/clone")
+            ->assertRedirect("/");
+
+        $this->assertDatabaseCount("quizzes", 2);
+    }
+
+    public function testUserCannotCopyQuizThatNotExisted(): void
+    {
+        $user = User::factory()->create();
+
+        $this->actingAs($user)
+            ->from("/")
+            ->post("/quizzes/2/clone")
+            ->assertStatus(404);
+    }
 }