Courses

courses-undergrad.php

<?php
/*
Template Name: SIS Courses
*/
get_header(); ?>

<?php // Load Zebra Curl
	require_once TEMPLATEPATH . "/library/Zebra_cURL.php";
	//Set query sting variables
		$theme_option = flagship_sub_get_global_options(); 
		$department_unclean = $theme_option['flagship_sub_isis_name'];
		$department = str_replace(' ', '%20', $department_unclean);
		$department = str_replace('&', '%26', $department);
		$fall = 'fall%202017';
		$spring = 'spring%202018';
		$open = 'open';
		$approval = 'approval%20required';
		$closed = 'closed';
		$waitlist = 'waitlist%20only';
		$key = 'Qrf9MQse2cdpgaYdPF23dkMaqrVKE5dP';
		
	//Create first Zebra Curl class
		$course_curl = new Zebra_cURL();
		$course_curl->option(array(
		    CURLOPT_TIMEOUT         =>  60,
		    CURLOPT_CONNECTTIMEOUT  =>  60,
		));
 
	//Create API Url calls
		$courses_fall_url = 'https://sis.jhu.edu/api/classes?key=' . $key . '&School=Krieger%20School%20of%20Arts%20and%20Sciences&Term=' . $fall . '&Department=AS%20' . $department;
		$courses_spring_url = 'https://sis.jhu.edu/api/classes?key=' . $key . '&School=Krieger%20School%20of%20Arts%20and%20Sciences&Term=' . $spring . '&Department=AS%20' . $department;
		$courses_call = array(
			$courses_fall_url,
			$courses_spring_url,
			//$courses_intersession_url, 
			//$courses_summer_url
			);
		$courses_call_fall = $courses_fall_url;
		$courses_call_spring = $courses_spring_url;
	
	//Course display callback function
		function display_courses($result) {
		    $result->body = json_decode(html_entity_decode($result->body));
			$title = $result->body[0]->{'Title'};
			$term = $result->body[0]->{'Term_IDR'};
			$clean_term = str_replace(' ', '-', $term);
			$meetings = $result->body[0]->{'Meetings'};
			$status = $result->body[0]->{'Status'};
			$course_number = $result->body[0]->{'OfferingName'};
			$clean_course_number = preg_replace('/[^A-Za-z0-9\-]/', '', $course_number);
			$credits = $result->body[0]->{'Credits'};
			$section_number = $result->body[0]->{'SectionName'};
			$instructor = $result->body[0]->{'InstructorsFullName'};
			$course_level = $result->body[0]->{'Level'};
			$description = $result->body[0]->{'SectionDetails'}[0]->{'Description'};
			$room = $result->body[0]->{'SectionDetails'}[0]->{'Meetings'}[0]->{'Building'};
			$roomnumber = $result->body[0]->{'SectionDetails'}[0]->{'Meetings'}[0]->{'Room'};
			$postag = "N/A";
			$sectiondetails = $result->body[0]->{'SectionDetails'}[0];
			if (isset($sectiondetails->{'PosTags'})) 
			{
				if(!empty($sectiondetails->{'PosTags'})) {
				        $postag=$sectiondetails->{'PosTags'};
				        $tags = [];
        				foreach ($postag as $tag) {
				           $tags[] = $tag->{'Tag'};
				        }
				}
			}
			echo '<tr><td>' . $course_number . '</td><td>' . $title . '</td><td>' . $meetings . '</td><td>' . $section_number . '</td><td>' . $instructor . '</td><td>' . $room . '&nbsp;' . $roomnumber . '</td><td>' . $tags . '</td>';
			echo '<td><button class="button" data-open="course-' . $clean_course_number . $section_number . $clean_term .'">More Info</button></td></tr>';
			echo '<div class="reveal" id="course-'.$clean_course_number . $section_number . $clean_term .'" data-reveal><h1>'. $title . '</h1><p>'. $description .'<ul><li>Credits: ' . $credits .  '</li><li>Level: ' . $course_level . ' </li><li>Satuts: '. $status . '</li><li>PosTag(s): '. $tags . '</li></ul></p><button class="close-button" data-close aria-label="Close reveal" type="button"><span aria-hidden="true">&times;</span></button></div>';		 	
		}
	//ISIS Call callback function	
		function parse_courses($result) {
		$cache_dir = TEMPLATEPATH . "/assets/functions/cache/";
		$key = 'DZkN4QOJGaDKVg6Du1911u45d4TJNp6I';

		$result->body = json_decode(html_entity_decode($result->body));
	    if ((!is_array ($result) && !is_object($result)) || 
	        (is_array($result) || count($result) == 0) ||
	        (json_last_error() != JSON_ERROR_NONE)) {// only for PHP >= 5.3.0

		        // log the error or warning here ...
		        $input  = $result->body;
		        $output = print_r ($result, TRUE);

		        // Only for PHP >= 5.3.0
		        // json_last_error();
		        // json_last_error_msg();
		        return -1;
		    }	    	

			$course_data = array();
				foreach($result->body as $course) {
					$section = $course->{'SectionName'};
					$level = $course->{'Level'};
					$parent = 'Undergraduate';
					
					
					if (strpos($level, $parent) !== false ||  ($level === "") !== false )
						{
						$number = $course->{'OfferingName'};
						$clean_number = preg_replace('/[^A-Za-z0-9\-]/', '', $number);
						$dirty_term = $course->{'Term_IDR'};
						$clean_term = str_replace(' ', '%20', $dirty_term);
						$details_url = 'https://sis.jhu.edu/api/classes/' . $clean_number . $section .'/' . $clean_term . '?key=' . $key;
						$course_data[] = $details_url;					
					}
				}
			$curl = new Zebra_cURL();
			$curl->option(array(
			    CURLOPT_TIMEOUT         =>  60,
			    CURLOPT_CONNECTTIMEOUT  =>  60,
			));
			$curl->get($course_data, 'display_courses');
		}
?>	

<div class="main-container">
    <div class="main-grid">
        <main class="main-content">
            <?php while ( have_posts() ) : the_post(); ?>
                <?php get_template_part( 'template-parts/content', 'page' ); ?>
				
				<ul class="tabs" data-tabs id="example-tabs">
				 	<li class="tabs-title is-active"><a href="#Fall" aria-selected="true">Fall 2017</a></li>
				 	<li class="tabs-title"><a href="#Spring">Spring 2018</a></li>
				</ul>
				<div class="tabs-content" data-tabs-content="example-tabs">
					<div class="tabs-panel is-active" id="Fall">
						<table class="course-listings">
							<thead>
								<tr>
									<th>Course #</th>
									<th>Title</th>
									<th>Day/Times</th>
									<th>Section</th>
									<th>Instructor</th>
									<th>Room</th>
									<th>PosTag(s)</th>
									<th>Info</th>
								</tr>
							</thead>
							<tbody>
								<?php $course_curl->get($courses_call_fall, 'parse_courses'); ?>
							</tbody>
						</table>
					</div>
					 <div class="tabs-panel" id="Spring">
					 	<table class="course-listings">
							<thead>
								<tr>
									<th>Course #</th>
									<th>Title</th>
									<th>Day/Times</th>
									<th>Section</th>
									<th>Instructor</th>
									<th>Room</th>
								</tr>
							</thead>
							<tbody>
								<?php $course_curl->get($courses_call_spring, 'parse_courses'); ?>
							</tbody>
						</table>
					
					 </div>
				</div>
            <?php endwhile;?>
        </main>
        <?php get_sidebar(); ?>
    </div>
</div>


<?php get_template_part( 'template-parts/script-initiators' ); 
get_footer();