mirror of
https://github.com/YunoHost-Apps/minchat_ynh.git
synced 2024-09-03 19:36:29 +02:00
79 lines
2.4 KiB
PHP
79 lines
2.4 KiB
PHP
<?php
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function v($v, $czyscHtmlIExit = false) {
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if ($czyscHtmlIExit) ob_end_clean();
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echo '<pre>' . print_r($v, true) . '</pre>';
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if ($czyscHtmlIExit) exit;
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}
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function vv($v, $czyscHtmlIExit = false) {
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if ($czyscHtmlIExit) ob_end_clean();
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echo '<pre>';
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var_dump($v);
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echo '</pre>';
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if ($czyscHtmlIExit) exit;
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}
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function vvv($var, & $result = null, $is_view = true)
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{
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if (is_array($var) || is_object($var)) foreach ($var as $key=> $value) vvv($value, $result[$key], false);
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else $result = $var;
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if ($is_view) v($result);
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}
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$id = isset($_POST['id']) ? $_POST['id'] : '';
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$room = isset($_POST['room']) ? $_POST['room'] : '';
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if ($id === '' || $room === '') return;
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$isApc = extension_loaded('apc');
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$cache = $isApc ? apc_fetch('chat') : @unserialize(file_get_contents('./history/'.$room.'cache2100-01-01'));
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$data = array();
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if ($id === 'undefined') {
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$id = empty($cache) ? 0 : $cache[0][0];
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// first refresh : loads 50 last msg from history
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$file = './history/'.$room.date('Y-m-d');
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if (file_exists($file)) {
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$history = file($file, FILE_IGNORE_NEW_LINES);
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$history = array_reverse($history);
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foreach ($history as & $ref) {
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$ref = explode('>', $ref);
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}
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$data = array_slice($history, 0, 50);
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}
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} elseif ($id === '0') {
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if (!empty($cache)) {
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$id = $cache[0][0];
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$data = $cache;
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}
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} else {
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$end = end($cache);
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// read data from cache
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if ($id >= $end[0]) {
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foreach ($cache as $k => $c) {
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if ($c[0] === $id) break;
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}
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$data = array_slice($cache, 0, $k);
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}
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// read data from history (any problem witch Internet and are delays)
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else {
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$date = date('Y-m-d');
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$history = array();
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while (($history = array_merge(file('./history/'.$room.$date, FILE_IGNORE_NEW_LINES), $history)) && $history[0] > $id) {
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$date = date('Y-m-d', strtotime('-1 day', strtotime($date)));
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if (!file_exists('./history/'.$room.$date)) break;
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}
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// prepare history
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$history = array_reverse($history);
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foreach ($history as & $ref) {
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$ref = explode('>', $ref);
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}
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// get data
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foreach ($history as $k => $h) {
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if ($h[0] === $id) break;
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}
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$data = array_slice($history, 0, $k);
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}
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$id = $cache[0][0];
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}
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echo json_encode(array('id' => $id, 'data' => $data));
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