DONE: generate letter after the membership-application is completed

be/app/Services/DocumentService.php

@@ -13,12 +13,7 @@ class DocumentService
     /**
      * Upload a document for any model.
      */
-    public function uploadDocument(
-        Model $model,
-        UploadedFile $file,
-        string $documentType = 'general',
-        ?string $description = null
-    ): Document {
+    public function uploadDocument(Model $model, UploadedFile $file, string $documentType = 'general', ?string $description = null): Document {
         $fileName = time().'_'.$file->getClientOriginalName();
         $folderName = strtolower(class_basename($model));
         $filePath = $file->storeAs("documents/{$folderName}", $fileName, Document::STORAGE_DISK);
@@ -34,6 +29,27 @@ class DocumentService
         ]);
     }
 
+    /**
+     * Store generated file contents (e.g. PDF) for a model.
+     */
+    public function storeGeneratedDocument(Model $model, string $contents, string $fileName, string $documentType = 'general', string $mimeType = 'application/pdf', ?string $description = null,): Document {
+        $folderName = strtolower(class_basename($model));
+        $storedFileName = time().'_'.$fileName;
+        $filePath = "documents/{$folderName}/{$storedFileName}";
+
+        Storage::disk(Document::STORAGE_DISK)->put($filePath, $contents);
+
+        return $model->documents()->create([
+            'name' => $fileName,
+            'path' => $filePath,
+            'file_size' => strlen($contents),
+            'mime_type' => $mimeType,
+            'type' => $documentType,
+            'description' => $description,
+            'uploaded_by' => auth()->id(),
+        ]);
+    }
+
     /**
      * Delete a document.
      */