Create comand

app/Http/Controllers/Admin/ExportController.php

@@ -0,0 +1,33 @@
+<?php
+
+namespace App\Http\Controllers\Admin;
+
+use App\Services\AnalyticsExporter;
+use Illuminate\Http\Request;
+use Illuminate\Support\Facades\Storage;
+use Illuminate\View\View;
+use Symfony\Component\HttpFoundation\BinaryFileResponse;
+
+class ExportController extends AdminController
+{
+    public function __construct(
+        private readonly AnalyticsExporter $exporter
+    ) {
+    }
+
+    public function index(Request $request): View
+    {
+        return view('admin.export');
+    }
+
+    public function store(Request $request): BinaryFileResponse
+    {
+        $request->validate([
+            'type' => 'required|string',
+        ]);
+
+        $filePath = $this->exporter->export($request->type);
+
+        return response()->download($filePath)->deleteFileAfterSend();
+    }
+}

app/Models/Chapter.php

@@ -4,9 +4,9 @@
 
 use App\Presenters\ChapterPresenter;
 use Hemp\Presenter\Presentable;
+use Illuminate\Database\Eloquent\Factories\HasFactory;
 use Illuminate\Database\Eloquent\Model;
 use Illuminate\Database\Eloquent\Relations\BelongsTo;
-use Illuminate\Database\Eloquent\Relations\BelongsToMany;
 use Illuminate\Database\Eloquent\Relations\HasMany;
 use Illuminate\Database\Eloquent\Relations\MorphMany;
 
@@ -16,6 +16,7 @@
 class Chapter extends Model
 {
     use Presentable;
+    use HasFactory;
 
     public string $defaultPresenter = ChapterPresenter::class;
 

app/Models/Exercise.php

@@ -4,6 +4,7 @@
 
 use App\Presenters\ExercisePresenter;
 use Hemp\Presenter\Presentable;
+use Illuminate\Database\Eloquent\Factories\HasFactory;
 use Illuminate\Database\Eloquent\Model;
 use Illuminate\Database\Eloquent\Relations\BelongsTo;
 use Illuminate\Database\Eloquent\Relations\BelongsToMany;
@@ -17,6 +18,7 @@
 class Exercise extends Model
 {
     use Presentable;
+    use HasFactory;
 
     public string $defaultPresenter = ExercisePresenter::class;
 

app/Services/AnalyticsExporter.php

@@ -0,0 +1,105 @@
+<?php
+
+namespace App\Services;
+
+use App\Models\Chapter;
+use App\Models\Comment;
+use App\Models\Exercise;
+use App\Models\Solution;
+use App\Models\User;
+use Illuminate\Database\Eloquent\Collection;
+use Illuminate\Support\Facades\Storage;
+use League\Csv\Writer;
+use Spatie\Activitylog\Models\Activity;
+
+class AnalyticsExporter
+{
+    public function export(string $type): string
+    {
+        return match ($type) {
+            'users'     => $this->exportUsers("export/users.csv"),
+            'chapters'  => $this->exportChapters("export/chapters.csv"),
+            'exercises' => $this->exportExercises("export/exercises.csv"),
+            'solutions' => $this->exportSolutions("export/solutions.csv"),
+            'comments'  => $this->exportComments("export/comments.csv"),
+            'activity'  => $this->exportActivityLog("export/activity.csv"),
+            default     => throw new \InvalidArgumentException("Unknown export type: {$type}"),
+        };
+    }
+
+    private function exportUsers(string $path): string
+    {
+        $data = User::select(['id', 'name', 'email', 'email_verified_at', 'github_name', 'points', 'created_at', 'is_admin'])
+            ->get();
+
+        return $this->writeCsv($data, $path);
+    }
+
+    private function exportChapters(string $path): string
+    {
+        $data = Chapter::select(['id', 'path', 'parent_id', 'created_at'])
+            ->get();
+
+        return $this->writeCsv($data, $path);
+    }
+
+    private function exportExercises(string $path): string
+    {
+        $data = Exercise::select(['id', 'chapter_id', 'path', 'created_at'])
+            ->get();
+
+        return $this->writeCsv($data, $path);
+    }
+
+    private function exportSolutions(string $path): string
+    {
+        $data = Solution::select(['id', 'exercise_id', 'user_id', 'created_at'])
+            ->get();
+
+        return $this->writeCsv($data, $path);
+    }
+
+    private function exportComments(string $path): string
+    {
+        $data = Comment::select(['id', 'user_id', 'commentable_type', 'commentable_id', 'parent_id', 'created_at'])
+            ->get();
+
+        return $this->writeCsv($data, $path);
+    }
+
+    private function exportActivityLog(string $path): string
+    {
+        $data = Activity::select(['id', 'log_name', 'subject_id', 'subject_type', 'causer_id', 'event', 'created_at'])
+            ->get();
+
+        return $this->writeCsv($data, $path);
+    }
+
+    private function writeCsv(Collection $collection, string $path): string
+    {
+        $disk = Storage::disk();
+        $directory = dirname($path);
+
+        if (!$disk->exists($directory)) {
+            $disk->makeDirectory($directory);
+        }
+
+        $csv = Writer::createFromPath(
+            $disk->path($path),
+            'w+'
+        );
+
+        $csv->setDelimiter(',');
+        $csv->setNewline("\n");
+
+        if ($collection->isNotEmpty()) {
+            $csv->insertOne(array_keys($collection->first()->getAttributes()));
+
+            foreach ($collection as $item) {
+                $csv->insertOne(array_values($item->getAttributes()));
+            }
+        }
+
+        return $disk->path($path);
+    }
+}

composer.json

@@ -39,6 +39,7 @@
         "laravel/socialite": "^5.11",
         "laravel/tinker": "^2.8",
         "laravel/ui": "^v4.2.3",
+        "league/csv": "^9.27",
         "mcamara/laravel-localization": "^2.0",
         "mikehaertl/php-shellcommand": "^1.7",
         "rollbar/rollbar-laravel": "^8.1.3",

database/factories/ChapterFactory.php

@@ -0,0 +1,21 @@
+<?php
+
+namespace Database\Factories;
+
+use App\Models\Chapter;
+use Illuminate\Database\Eloquent\Factories\Factory;
+
+class ChapterFactory extends Factory
+{
+    protected $model = Chapter::class;
+
+    public function definition(): array
+    {
+        return [
+            'path' => $this->faker->word,
+            'parent_id' => null,
+            'created_at' => now(),
+            'updated_at' => now(),
+        ];
+    }
+}