mirror of
https://github.com/wavelog/wavelog.git
synced 2026-03-22 10:24:14 +00:00
117 lines
3.3 KiB
PHP
117 lines
3.3 KiB
PHP
<?php if ( ! defined('BASEPATH')) exit('No direct script access allowed');
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class Contestcalendar extends CI_Controller {
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public function index() {
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$this->load->model('user_model');
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if(!$this->user_model->authorize(2)) { $this->session->set_flashdata('notice', 'You\'re not allowed to do that!'); redirect('dashboard'); }
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$data['page_title'] = "Contest Calendar";
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$rssRawData = $this->getRssData();
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$data['rss'] = $this->parseRSS($rssRawData);
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$footerData['scripts'] = [
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'assets/js/sections/dxcalendar.js?' . filemtime(realpath(__DIR__ . "/../../assets/js/sections/dxcalendar.js"))
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];
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$this->load->view('interface_assets/header', $data);
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$this->load->view('contestcalendar/index');
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$this->load->view('interface_assets/footer', $footerData);
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}
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private function parseRSS($rssRawData) {
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$rssData = array();
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$raw = simplexml_load_string($rssRawData, null, LIBXML_NOCDATA);
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foreach ($raw->channel->item as $item) {
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// create an array to hold the contest information
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$contest = array();
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// write the contest_title to the array
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$contest['title'] = (string) $item->title;
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// write the start time to the array. the whole time range is in the 'description' tag of the rssRawData
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$description = (string) $item->description;
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$timeRange = $this->parseTimeRange($description);
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$contest['start'] = $timeRange['start']->format('Y-m-d H:i:s');
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$contest['end'] = $timeRange['end']->format('Y-m-d H:i:s');
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// and write the link to the array
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$contest['link'] = (string) $item->link;
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// append the contest array to the $rssData array
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$rssData[] = $contest;
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}
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return $rssData;
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}
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private function parseTimeRange($string) {
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$timeData = array();
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// if the timeRange is over midnight the string contains 'to'
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if (strpos($string, 'to')) {
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// split in start and end time
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$parts = explode('to', $string);
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$start = trim($parts[0]);
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$end = trim($parts[1]);
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// create proper dateTime
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$timeData['start'] = DateTime::createFromFormat('Hi\Z, M d', $start);
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$timeData['end'] = DateTime::createFromFormat('Hi\Z, M d', $end);
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} else {
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// split in start and end time
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$parts = explode('-', $string);
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$start = trim($parts[0]);
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$end = trim($parts[1]);
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// extract the date. we need to add this to the start time
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$date = substr($parts[1], strpos($parts[1], ',') + 2);
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// create proper dateTime
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$timeData['start'] = DateTime::createFromFormat('Hi\Z, M d', $start . ', ' . $date);
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$timeData['end'] = DateTime::createFromFormat('Hi\Z, M d', $end);
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}
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return $timeData;
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}
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private function getRssData() {
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$this->load->driver('cache', array('adapter' => 'file', 'backup' => 'file'));
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if (!$rssRawData = $this->cache->get('RssRawContestCal')) {
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$rssUrl = 'https://www.contestcalendar.com/calendar.rss';
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$ch = curl_init();
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curl_setopt($ch, CURLOPT_URL, $rssUrl);
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curl_setopt($ch, CURLOPT_HEADER, false);
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curl_setopt($ch, CURLOPT_USERAGENT, 'Wavelog Updater');
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curl_setopt($ch, CURLOPT_RETURNTRANSFER, true);
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$rssRawData = curl_exec($ch);
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curl_close($ch);
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if ($rssRawData === FALSE) {
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$msg = "Something went wrong with fetching the Contest Data";
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log_message('error', $msg);
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return;
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}
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$this->cache->save('RssRawContestCal', $rssRawData, (60*60*12)); // 12 hours cache time
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curl_close($ch);
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}
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return $rssRawData;
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}
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}
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