api detail exercise

app/Http/Controllers/Api/ExerciseController.php

@@ -75,4 +75,23 @@ class ExerciseController extends Controller
             ], 500);
         }
     }
+
+    public function detail($id)
+    {
+        $exercise = $this->exerciseService->detail($id);
+
+        if (empty($exercise)) {
+            return response()->json([
+                'status' => true,
+                'data' => $exercise,
+                'message' => 'Không có dữ liệu.',
+            ]);
+        }
+
+        return response()->json([
+            'status' => true,
+            'data' => $exercise,
+            'message' => 'Lấy danh sách đề thi thành công.',
+        ]);
+    }
 }

app/Http/Resources/BlankResource.php

@@ -0,0 +1,24 @@
+<?php
+
+namespace App\Http\Resources;
+
+use Illuminate\Http\Request;
+use Illuminate\Http\Resources\Json\JsonResource;
+
+class BlankResource extends JsonResource
+{
+    /**
+     * Transform the resource into an array.
+     *
+     * @return array<string, mixed>
+     */
+    public function toArray(Request $request): array
+    {
+        return [
+            'id' => $this->id,
+            'position' => $this->position,
+            'correct_answer' => $this->correct_answer,
+            'other_answers' => $this->other_answers,
+        ];
+    }
+}

app/Http/Resources/ChoiceResource.php

@@ -0,0 +1,24 @@
+<?php
+
+namespace App\Http\Resources;
+
+use Illuminate\Http\Request;
+use Illuminate\Http\Resources\Json\JsonResource;
+
+class ChoiceResource extends JsonResource
+{
+    /**
+     * Transform the resource into an array.
+     *
+     * @return array<string, mixed>
+     */
+    public function toArray(Request $request): array
+    {
+        return [
+            'id' => $this->id,
+            'content' => $this->content,
+            'is_correct' => $this->is_correct,
+            'position' => $this->position,
+        ];
+    }
+}

app/Http/Resources/ExerciseResource.php

@@ -0,0 +1,27 @@
+<?php
+
+namespace App\Http\Resources;
+
+use Illuminate\Http\Request;
+use Illuminate\Http\Resources\Json\JsonResource;
+
+class ExerciseResource extends JsonResource
+{
+    /**
+     * Transform the resource into an array.
+     *
+     * @return array<string, mixed>
+     */
+    public function toArray(Request $request): array
+    {
+        return [
+            'id' => $this->id,
+            'name' => $this->lesson_name,
+            'description' => $this->description,
+            'level' => $this->level_label,
+            'year' => $this->year,
+            'skills' => SkillResource::collection($this->whenLoaded('skills')),
+            'question_groups' => QuestionGroupResource::collection($this->whenLoaded('questionGroups')),
+        ];
+    }
+}

app/Http/Resources/QuestionGroupResource.php

@@ -0,0 +1,23 @@
+<?php
+
+namespace App\Http\Resources;
+
+use Illuminate\Http\Request;
+use Illuminate\Http\Resources\Json\JsonResource;
+
+class QuestionGroupResource extends JsonResource
+{
+    /**
+     * Transform the resource into an array.
+     *
+     * @return array<string, mixed>
+     */
+    public function toArray(Request $request): array
+    {
+        return [
+            'id' => $this->id,
+            'content' => $this->content,
+            'questions' => QuestionResource::collection($this->whenLoaded('questions')),
+        ];
+    }
+}

app/Http/Resources/QuestionResource.php

@@ -0,0 +1,25 @@
+<?php
+
+namespace App\Http\Resources;
+
+use Illuminate\Http\Resources\Json\JsonResource;
+
+class QuestionResource extends JsonResource
+{
+    public function toArray($request)
+    {
+        return [
+            'id' => $this->id,
+            'content' => $this->content,
+            'score' => $this->score,
+            'explanation' => $this->explanation,
+            'hint' => $this->hint,
+            'type' => [
+                'code' => $this->type->code ?? null,
+                'name' => $this->type->name ?? null,
+            ],
+            'choices' => $this->when($this->type->code === 'multiple_choice', ChoiceResource::collection($this->choices)),
+            'blanks' => $this->when($this->type->code !== 'multiple_choice', BlankResource::collection($this->blanks)),
+        ];
+    }
+}

app/Http/Resources/SkillResource.php

@@ -0,0 +1,22 @@
+<?php
+
+namespace App\Http\Resources;
+
+use Illuminate\Http\Request;
+use Illuminate\Http\Resources\Json\JsonResource;
+
+class SkillResource extends JsonResource
+{
+    /**
+     * Transform the resource into an array.
+     *
+     * @return array<string, mixed>
+     */
+    public function toArray(Request $request): array
+    {
+        return [
+            'id' => $this->id,
+            'name' => $this->name
+        ];
+    }
+}

app/Models/Exercise.php

@@ -23,6 +23,18 @@ class Exercise extends Model
         'media_object_id',
     ];
 
+    protected $appends = ['level_label'];
+
+    public function getLevelLabelAttribute()
+    {
+        return match ($this->level) {
+            0 => 'easy',
+            1 => 'normal',
+            2 => 'hard',
+            default => 'normal',
+        };
+    }
+
     public function subject()
     {
         return $this->belongsTo(Subject::class, 'subject_id');

app/Models/QuestionBlank.php

@@ -17,6 +17,10 @@ class QuestionBlank extends Model
         'other_answers',
     ];
 
+    protected $casts = [
+        'other_answers' => 'array', // Laravel tự động json_decode
+    ];
+
     public function question()
     {
         return $this->belongsTo(Question::class, 'question_id');

app/Services/ExerciseService.php

@@ -2,6 +2,7 @@
 
 namespace App\Services;
 
+use App\Http\Resources\ExerciseResource;
 use App\Models\Exercise;
 
 class ExerciseService
@@ -52,4 +53,22 @@ class ExerciseService
 
         return $exercise->id;
     }
+
+    public function detail($id)
+    {
+        $exercise = Exercise::with([
+            'skills:id,name',
+            'questionGroups' => function ($q) {
+                $q->select('id', 'exercise_id', 'content');
+            },
+            'questionGroups.questions' => function ($q) {
+                $q->select('id', 'content', 'group_id', 'question_type_id', 'description', 'score', 'explanation', 'hint');
+            },
+            'questionGroups.questions.type:id,code,name',
+            'questionGroups.questions.choices',
+            'questionGroups.questions.blanks',
+        ])->findOrFail($id);
+
+        return new ExerciseResource($exercise);
+    }
 }

app/Services/QuestionService.php

@@ -6,6 +6,7 @@ use App\Models\Question;
 use App\Models\QuestionBlank;
 use App\Models\QuestionChoice;
 use App\Models\QuestionGroup;
+use App\Models\QuestionType;
 use Illuminate\Support\Facades\DB;
 
 class QuestionService
@@ -59,19 +60,20 @@ class QuestionService
             foreach ($data as $groupKey => $value) {
                 $groupId = $groupIds[$groupKey];
                 foreach ($value->questions as $qIndex => $question) {
+                    $questionType = QuestionType::where('code', $question->type)->first();
+                    $questionTypeId = $questionType ? $questionType->id : 1;
                     $dataQuestion[] = [
                         'exercise_id'      => $exerciseId,
                         'content'          => $question->content,
                         'description'      => $question->description ?? null,
                         'group_id'         => $groupId,
-                        'question_type_id' => 1,
+                        'question_type_id' => $questionTypeId,
                         'level'            => 2,
                         'score'            => $question->score ?? null,
                         'explanation'      => $question->explanation ?? null,
                         'hint'             => $question->hint ?? null,
                         'created_at'       => $now,
-                        'updated_at'       => $now,
+                        'updated_at'       => $now
-                        'custom_key'       => "{$groupKey}_{$qIndex}", // dùng để map lại
                     ];
                     $questionMap["{$groupKey}_{$qIndex}"] = [
                         'type'    => $question->type,

routes/api.php

@@ -13,6 +13,7 @@ Route::middleware(['auth:api', 'role:admin'])->get('/user', function (Request $r
 });
 
 Route::middleware('auth:api')->group(function () {
-    Route::get('/exercise', [ExerciseController::class, 'index'])->name('exercise.index');
+    Route::get('/exercises', [ExerciseController::class, 'index'])->name('exercise.index');
     Route::post('/exercise/create', [ExerciseController::class, 'create'])->name('exercise.create');
+    Route::get('/exercise/{id}', [ExerciseController::class, 'detail'])->name('exercise.detail');
 });