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119 lines
3.8 KiB
119 lines
3.8 KiB
<?php
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namespace App\Services;
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use App\Http\Resources\ExerciseResource;
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use App\Models\Exercise;
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use App\Models\ExerciseSkill;
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use App\Models\Question;
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use App\Models\QuestionBlank;
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use App\Models\QuestionChoice;
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use App\Models\QuestionGroup;
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use Illuminate\Database\Eloquent\ModelNotFoundException;
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use Illuminate\Support\Facades\DB;
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class ExerciseService
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{
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public function getExercises($params)
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{
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$limit = isset($params['limit']) ? min((int)$params['limit'], 100) : 10;
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$offset = isset($params['offset']) ? max((int)$params['offset'], 0) : 0;
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$lessonName = $params['search'] ?? null;
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$query = Exercise::select('id', 'lesson_name', 'description', 'status', 'level', 'year', 'created_at');
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if (!empty($lessonName)) {
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$query->where('lesson_name', 'like', '%' . $lessonName . '%');
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}
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// Lấy dữ liệu chính
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$data = $query->orderByDesc('created_at')
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->skip($offset)
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->take($limit)
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->get()
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->map(function ($item) {
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$item->level = match ((int)$item->level) {
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0 => 'easy',
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1 => 'normal',
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2 => 'hard',
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default => 'unknown',
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};
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return $item;
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});
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return $data;
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}
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public function createExercise($dataExercise)
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{
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$dataCreateExercise = [
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'lesson_name' => $dataExercise['name'] ?? null,
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'description' => $dataExercise['description'] ?? null,
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'subject_id' => $dataExercise['subject_id'] ?? null,
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'level' => $dataExercise['level'] ?? null,
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'status' => $dataExercise['status'] ?? null,
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'category_id' => $dataExercise['category_id'] ?? null,
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'year' => $dataExercise['year'] ?? null,
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];
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$exercise = Exercise::create($dataCreateExercise);
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return $exercise->id;
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}
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public function detail($id)
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{
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$exercise = Exercise::with([
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'skills:id,name',
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'questionGroups' => function ($q) {
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$q->select('id', 'exercise_id', 'content');
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},
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'questionGroups.questions' => function ($q) {
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$q->select('id', 'content', 'group_id', 'question_type_id', 'description', 'score', 'explanation', 'hint');
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},
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'questionGroups.questions.type:id,code,name',
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'questionGroups.questions.choices',
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'questionGroups.questions.blanks',
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])->findOrFail($id);
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return new ExerciseResource($exercise);
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}
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public function destroy($id)
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{
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try {
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$exercise = Exercise::findOrFail($id);
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DB::transaction(function () use ($exercise) {
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$groupIds = $exercise->questionGroups()->pluck('id');
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$questionIds = DB::table('se_questions')
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->whereIn('group_id', $groupIds)
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->pluck('id');
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QuestionChoice::whereIn('question_id', $questionIds)->delete();
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QuestionBlank::whereIn('question_id', $questionIds)->delete();
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Question::whereIn('id', $questionIds)->delete();
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QuestionGroup::whereIn('id', $groupIds)->delete();
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ExerciseSkill::where('exercise_id', $exercise->id)->delete();
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$exercise->delete();
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});
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return [
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'status' => true,
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'message' => 'Xoá đề thi thành công.'
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];
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} catch (ModelNotFoundException $e) {
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return [
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'status' => false,
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'message' => 'Không tìm thấy đề thi.'
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];
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} catch (\Exception $e) {
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return [
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'status' => false,
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'message' => 'Lỗi hệ thống: ' . $e->getMessage()
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];
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}
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}
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}
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