<?php
require_once '../network.php';
echo 'Test Course URL: </br>';
$url = courseURL('CZ2001', $info);
echo '<b>Course URL for CZ2001:</b> ' . '<a href="' . $url . '">' . $url . '</a>';
echo '</br></br>';
echo 'Test Fetch Function: </br>';
echo fetch($url);
public static function getInstanceAuto(array $course)
{
if (!array_key_exists('code', $course) || !array_key_exists('index', $course) || !array_key_exists('year', $course) || !array_key_exists('sem', $course)) {
return null;
}
$code = $course['code'];
$code = strtoupper($code);
$index = $course['index'];
$examTime = array_key_exists('examTime', $course) ? $course['examTime'] : null;
$info = array('year' => $course['year'], 'sem' => $course['sem']);
if (!array_key_exists('year', $info) || !array_key_exists('sem', $info)) {
return null;
}
$html = str_get_html(fetch(courseURL($code, $info)));
if (!$html) {
return null;
}
$table = $html->find('table');
if (!$table) {
return null;
}
//get course information
$tr = str_get_html($table[0])->find('tr');
$InfoBlock = str_get_html($tr[0]);
$nameAndAuBlock = $InfoBlock->find('b');
$courseName = $nameAndAuBlock[1]->plaintext;
$courseAU = $nameAndAuBlock[2]->plaintext;
//get index block
$indexBlock = null;
$line = -1;
$trBlocks = str_get_html($table[1])->find('tr');
for ($i = 0; $i < count($trBlocks); $i++) {
$cols = str_get_html($trBlocks[$i])->find('b');
for ($j = 0; $j < count($cols); $j++) {
if ($index == $cols[0]->plaintext) {
$indexBlock = $trBlocks[$i];
$line = $i;
break;
}
}
if ($line != -1) {
break;
}
}
if ($line == -1) {
return null;
}
//create a course instance
$c = array('code' => $code, 'index' => $index, 'name' => $courseName, 'au' => $courseAU, 'examTime' => $examTime, 'lessons' => array());
$trs = array();
array_push($trs, $trBlocks[$line]);
$line++;
while (TRUE) {
if ($line >= count($trBlocks)) {
break;
}
$cols = str_get_html($trBlocks[$line])->find('b');
$first = $cols[0]->plaintext;
if ($first != '') {
break;
}
array_push($trs, $trBlocks[$line]);
$line++;
}
foreach ($trs as $value) {
$lessonInfo = str_get_html($value)->find('b');
if (!$lessonInfo) {
return null;
}
$times = explode('-', $lessonInfo[4]->plaintext);
if (!$times) {
return null;
}
$lesson = new Lesson(array('type' => $lessonInfo[1]->plaintext, 'group' => $lessonInfo[2]->plaintext, 'time' => new LessonTime(array('wkDay' => $lessonInfo[3]->plaintext, 'startTime' => intval($times[0]), 'endTime' => intval($times[1]))), 'venue' => $lessonInfo[5]->plaintext, 'remark' => $lessonInfo[6]->plaintext));
array_push($c['lessons'], $lesson);
}
return Course::getInstanceWithCourseInfo($c);
}
