Feat: Create a Service for Download Proof and make it reusable

2025-05-11 15:41:58 +05:30
parent c224497740
commit 6e634eda5a
4 changed files with 141 additions and 58 deletions
--- a/app/Services/ProofDownloadService.php
+++ b/app/Services/ProofDownloadService.php
@@ -0,0 +1,81 @@
+<?php
+
+namespace App\Services;
+
+use Illuminate\Support\Facades\Storage;
+use ZipArchive;
+
+class ProofDownloadService
+{
+    public function downloadProofs($model, $ids, $filePathColumn = 'proof')
+    {
+        // Validate IDs
+        if (empty($ids)) {
+            return [
+                'error' => 'No items selected',
+            ];
+        }
+
+        // Fetch records with proofs
+        $responses = $model::whereIn('id', $ids)
+            ->whereNotNull($filePathColumn)
+            ->get();
+
+        if ($responses->isEmpty()) {
+            return [
+                'error' => 'No valid proofs found',
+            ];
+        }
+
+        // Create a temporary zip file
+        $zipFileName = 'proofs_' . time() . '.zip';
+        $zipFilePath = storage_path('app/public/temp/' . $zipFileName);
+
+        // Ensure the temp directory exists
+        if (!Storage::disk('public')->exists('temp')) {
+            Storage::disk('public')->makeDirectory('temp');
+        }
+
+        $zip = new ZipArchive();
+
+        if ($zip->open($zipFilePath, ZipArchive::CREATE) !== true) {
+            return [
+                'error' => 'Could not create zip file',
+            ];
+        }
+
+        $fileCount = 0;
+
+        foreach ($responses as $response) {
+            if (Storage::disk('public')->exists($response->$filePathColumn)) {
+                $fileContent = Storage::disk('public')->get($response->$filePathColumn);
+
+                // Get original filename from path
+                $originalName = basename($response->$filePathColumn);
+
+                // Add file to the zip with a prefix to avoid duplicate names
+                $fileNameInZip = $response->id . '_' . $originalName;
+                $zip->addFromString($fileNameInZip, $fileContent);
+                $fileCount++;
+            }
+        }
+
+        $zip->close();
+
+        if ($fileCount === 0) {
+            // Delete the empty zip file
+            if (file_exists($zipFilePath)) {
+                unlink($zipFilePath);
+            }
+            return [
+                'error' => 'No files found to download',
+            ];
+        }
+
+        return [
+            'success' => true,
+            'filePath' => $zipFilePath,
+            'fileName' => $zipFileName,
+        ];
+    }
+}