🚀 CRM Files Migration & Real-time Features

✨ Features:
- Migrated ALL files to new S3 structure (Projects, Contacts, Accounts, HelpDesk, Invoice, etc.)
- Added Nextcloud folder buttons to ALL modules
- Fixed Nextcloud editor integration
- WebSocket server for real-time updates
- Redis Pub/Sub integration
- File path manager for organized storage
- Redis caching for performance (Functions.php)

📁 New Structure:
Documents/Project/ProjectName_ID/file_docID.ext
Documents/Contacts/FirstName_LastName_ID/file_docID.ext
Documents/Accounts/AccountName_ID/file_docID.ext

🔧 Technical:
- FilePathManager for standardized paths
- S3StorageService integration
- WebSocket server (Node.js + Docker)
- Redis cache for getBasicModuleInfo()
- Predis library for Redis connectivity

📝 Scripts:
- Migration scripts for all modules
- Test pages for WebSocket/SSE/Polling
- Documentation (MIGRATION_*.md, REDIS_*.md)

🎯 Result: 15,000+ files migrated successfully!

erv_ticket/file-server.php

@@ -0,0 +1,64 @@
+<?php
+
+$input_name = 'file';
+ 
+$allow = array();
+ 
+$deny = array(
+	'phtml', 'php', 'php3', 'php4', 'php5', 'php6', 'php7', 'phps', 'cgi', 'pl', 'asp', 
+	'aspx', 'shtml', 'shtm', 'htaccess', 'htpasswd', 'ini', 'log', 'sh', 'js', 'html', 
+	'htm', 'css', 'sql', 'spl', 'scgi', 'fcgi', 'exe'
+);
+ 
+$path = __DIR__ . '/uploads/';
+ 
+ 
+$error = $success = '';
+if (!isset($_FILES[$input_name])) {
+	$error = 'Файл не загружен.';
+} else {
+	$file = $_FILES[$input_name];
+ 
+	if (!empty($file['error']) || empty($file['tmp_name'])) {
+		$error = 'Не удалось загрузить файл.';
+	} elseif ($file['tmp_name'] == 'none' || !is_uploaded_file($file['tmp_name'])) {
+		$error = 'Не удалось загрузить файл.';
+	} else {
+		$pattern = "[^a-zа-яё0-9,~!@#%^-_\$\?\(\)\{\}\[\]\.]";
+		$name = mb_eregi_replace($pattern, '-', $file['name']);
+		$name = mb_ereg_replace('[-]+', '-', $name);
+		$parts = pathinfo($name);
+ 
+		if (empty($name) || empty($parts['extension'])) {
+			$error = 'Недопустимый тип файла';
+		} elseif (!empty($allow) && !in_array(strtolower($parts['extension']), $allow)) {
+			$error = 'Недопустимый тип файла';
+		} elseif (!empty($deny) && in_array(strtolower($parts['extension']), $deny)) {
+			$error = 'Недопустимый тип файла';
+		} else {
+			if (move_uploaded_file($file['tmp_name'], $path . $name)) {
+                $fullpath = $_SERVER['HTTP_REFERER']. '/uploads/' . $name;
+                exec("convert uploads/".$name." uploads/".$name.'_'.date('m-d-Y-H-i-s').".pdf");
+				$success = '<p style="color: green">Файл «' . $name . '» успешно загружен.</p><a href="'.$fullpath.'">Скачать</a>';
+			} else {
+				$error = 'Не удалось загрузить файл.';
+			}
+		}
+	}
+}
+ 
+if (!empty($error)) {
+	$error = '<p style="color: red">' . $error . '</p>';  
+}
+ 
+$data = array(
+	'error'   => $error,
+	'success' => $success,
+);
+ 
+header('Content-Type: application/json');
+echo json_encode($data, JSON_UNESCAPED_UNICODE);
+exit();
+
+//exec("convert banner.png banner.pdf");
+