Separated laravel app to its own folder (#540)

api/app/Rules/StorageFile.php

@@ -0,0 +1,81 @@
+<?php
+
+namespace App\Rules;
+
+use App\Http\Controllers\Forms\PublicFormController;
+use App\Models\Forms\Form;
+use App\Service\Storage\StorageFileNameParser;
+use Closure;
+use Illuminate\Contracts\Validation\ValidationRule;
+use Illuminate\Support\Facades\Storage;
+use Illuminate\Support\Str;
+
+class StorageFile implements ValidationRule
+{
+    public string $error = 'Invalid file.';
+
+    public function __construct(public int $maxSize, public array $fileTypes = [], public ?Form $form = null)
+    {
+    }
+
+    /**
+     * File can have 2 formats:
+     * - file-name_{uuid}.{ext}
+     * - {uuid}
+     *
+     * @param  string  $attribute
+     * @param  mixed  $value
+     */
+    public function passes($attribute, $value): bool
+    {
+        // If full path then no need to validate
+        if (filter_var($value, FILTER_VALIDATE_URL) !== false) {
+            return true;
+        }
+
+        // This is use when updating a record, and file uploads aren't changed.
+        if ($this->form) {
+            $newPath = Str::of(PublicFormController::FILE_UPLOAD_PATH)->replace('?', $this->form->id);
+            if (Storage::exists($newPath.'/'.$value)) {
+                return true;
+            }
+        }
+
+        $fileNameParser = StorageFileNameParser::parse($value);
+        if (! $uuid = $fileNameParser->uuid) {
+            return false;
+        }
+
+        $filePath = PublicFormController::TMP_FILE_UPLOAD_PATH.$uuid;
+        if (! Storage::exists($filePath)) {
+            return false;
+        }
+
+        if (Storage::size($filePath) > $this->maxSize) {
+            $this->error = 'File is too large.';
+
+            return false;
+        }
+
+        if (count($this->fileTypes) > 0) {
+            $this->error = 'Incorrect file type. Allowed only: '.implode(',', $this->fileTypes);
+            return collect($this->fileTypes)->map(function ($type) {
+                return strtolower($type);
+            })->contains(strtolower($fileNameParser->extension));
+        }
+
+        return true;
+    }
+
+    public function validate(string $attribute, mixed $value, Closure $fail): void
+    {
+        if(!$this->passes($attribute, $value)) {
+            $fail($this->message());
+        }
+    }
+
+    public function message(): string
+    {
+        return $this->error;
+    }
+}