feat: add app backup functionality for admins

app/Http/Controllers/BackupController.php

@@ -0,0 +1,60 @@
+<?php
+
+namespace App\Http\Controllers;
+
+use Illuminate\Http\Request;
+use Illuminate\Support\Facades\File;
+use Illuminate\Support\Facades\Storage;
+use ZipArchive;
+
+class BackupController extends Controller
+{
+    public function download()
+    {
+        $databaseName = env('DB_DATABASE');
+        $userName = env('DB_USERNAME');
+        $password = env('DB_PASSWORD');
+        $host = env('DB_HOST', '127.0.0.1');
+
+        $backupFileName = 'backup_quizzcabm_' . date('Y-m-d_H-i-s') . '.zip';
+        $backupFilePath = storage_path('app/' . $backupFileName);
+        
+        $sqlDumpFilePath = storage_path('app/dump.sql');
+
+        // Execute mysqldump
+        $command = "mysqldump --user={$userName} --password={$password} --host={$host} {$databaseName} > " . escapeshellarg($sqlDumpFilePath);
+        if (empty($password)) {
+            $command = "mysqldump --user={$userName} --host={$host} {$databaseName} > " . escapeshellarg($sqlDumpFilePath);
+        }
+
+        exec($command);
+
+        $zip = new ZipArchive;
+        if ($zip->open($backupFilePath, ZipArchive::CREATE) === TRUE) {
+            // Add DB dump
+            if (file_exists($sqlDumpFilePath)) {
+                $zip->addFile($sqlDumpFilePath, 'database.sql');
+            }
+
+            // Add documents specifically searching the local disk
+            $allFiles = Storage::disk('local')->allFiles();
+            foreach ($allFiles as $filePath) {
+                $fullPath = Storage::disk('local')->path($filePath);
+                // The zip structure will have a folder 'storage_files' containing the relative path
+                $zip->addFile($fullPath, 'storage_files/' . $filePath);
+            }
+
+            $zip->close();
+        }
+
+        if (file_exists($sqlDumpFilePath)) {
+            unlink($sqlDumpFilePath);
+        }
+
+        if (file_exists($backupFilePath)) {
+            return response()->download($backupFilePath)->deleteFileAfterSend(true);
+        }
+
+        return back()->with('error', 'Erreur lors de la création de la sauvegarde.');
+    }
+}