willy.club/routes/willychat.php

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<?php
use WillySoft\Http\Route;
abstract class WillyChat {
public static string $data_path;
public static array $messages;
}
Route::middleware(function() {
WillyChat::$data_path = '/dev/shm/database.json';
if (!file_exists(WillyChat::$data_path)) {
file_put_contents(
WillyChat::$data_path,
json_encode([])
);
}
WillyChat::$messages = json_decode(
file_get_contents(WillyChat::$data_path),
true
);
});
Route::match('get|post','/willychat/', function() {
$default_nick = 'Willy';
$nick = $default_nick;
$just_sent_message = false;
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$errmsg = false;
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if (!empty($_POST)) {
$nick = filter_input(INPUT_POST, 'nick');
$text = filter_input(INPUT_POST, 'text');
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$errmsg = (function() use (&$text, &$nick): string|false {
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if (empty(trim($nick, ' '))) {
return 'You must choose a nickname.';
}
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$nick_max_chars = 128;
if (strlen($nick) > $nick_max_chars) {
return 'Your nickname is too long.';
}
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$text_max_chars = 4096;
if (strlen($text) > $text_max_chars) {
return 'Your message is too long. ' . strlen($text) . ' out of ' . $text_max_chars . ' characters.';
}
if (empty(trim($text, ' '))) {
return 'Message body cannot be empty.';
}
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return false;
})();
if (!$errmsg) {
if (count(WillyChat::$messages) > 10) {
array_pop(WillyChat::$messages);
}
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array_unshift(WillyChat::$messages, [
'nick' => $nick,
'date' => time(),
'text' => $text
]);
file_put_contents(WillyChat::$data_path,
json_encode(
WillyChat::$messages
)
);
}
$just_sent_message = true;
}
view('pages/willychat/index', [
'nick' => $nick,
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'just_sent_message' => $just_sent_message,
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'errmsg' => $errmsg
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]);
});
Route::get('/willychat/messages', function() {
view('pages/willychat/messages', [
'messages' => WillyChat::$messages
]);
});
Route::get('/willychat/sync', function() {
json_response(
hash('crc32', serialize(WillyChat::$messages))
);
});