94 lines
2.4 KiB
PHP
94 lines
2.4 KiB
PHP
<?php
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namespace App\Controller;
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use App\Config;
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ChatController::init();
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abstract class ChatController
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{
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private static array $messages;
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static function init()
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{
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if (!file_exists(Config::get('path_to_chat_json_file'))) {
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file_put_contents(
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Config::get('path_to_chat_json_file'),
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json_encode([])
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);
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}
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self::$messages = json_decode(
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file_get_contents(Config::get('path_to_chat_json_file')),
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true
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);
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}
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static function index()
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{
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if (empty($_POST)) {
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return view('pages/chat/index', [
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'nick' => 'Willy',
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'just_sent_message' => false,
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'errmsg' => false
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]);
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}
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$nick = filter_input(INPUT_POST, 'nick');
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$text = filter_input(INPUT_POST, 'text');
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$errmsg = (function() use (&$text, &$nick): string|false {
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if (empty(trim($nick, ' '))) {
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return 'You must choose a nickname.';
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}
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$nick_max_chars = 128;
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if (strlen($nick) > $nick_max_chars) {
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return 'Your nickname is TOO LONG! ' . strlen($nick) . ' out of ' . $nick_max_chars. ' characters.';
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}
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$text_max_chars = 4096;
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if (strlen($text) > $text_max_chars) {
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return 'Your message is TOO LONG!!!! ' . strlen($text) . ' out of ' . $text_max_chars . ' characters.';
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}
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if (empty(trim($text, ' '))) {
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return 'Message body cannot be empty.';
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}
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return false;
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})();
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if (!$errmsg) {
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if (count(self::$messages) > 100) {
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array_pop(self::$messages);
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}
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array_unshift(self::$messages, [
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'nick' => $nick,
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'date' => time(),
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'text' => $text
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]);
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file_put_contents(Config::get('path_to_chat_json_file'),
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json_encode(
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self::$messages
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)
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);
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}
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view('pages/chat/index', [
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'nick' => $nick,
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'just_sent_message' => true,
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'errmsg' => $errmsg
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]);
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}
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static function messages()
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{
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view('pages/chat/messages', ['messages' => self::$messages]);
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}
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static function sync()
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{
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json_response(hash('crc32', serialize(self::$messages)));
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}
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} |