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$error = array();
$name = $_POST['name'];
$plain_name = stripslashes($_POST['name']);
$desc = $_POST['desc'];
$syllabus = $_POST['syllabus'];
$prereq = $_POST['prereq'];
$addinfo = $_POST['addinfo'];
$cat_id = $_POST['category'];
$url = $_POST['url'];
$live = $_POST['live'];
$qualifications = $_POST['qualifications'];
$blacklist = array(
,"seig heil"
$haystack = strtolower($plain_name . $desc . $syllabus . $prereq . $addinfo . $url . $qualifications);
foreach($blacklist as $black)
if(strpos($haystack, $black) !== FALSE)
$error[] = "Please fill out all fields appropriately.";
if(strlen($url) > 0 && !preg_match('/^((http|https|irc):\/\/).*/',$url))
$error[] = "Your class URL must either be empty or start with http://, https://, or irc://.";
if(strlen($name) == 0)
$error[] = "You must enter a course name.";
} else {
$check_duplicates = $dbpdo->query("SELECT COUNT(*) FROM `objects` WHERE `type` = 'class' AND `value` = ?", array($name));
if($check_duplicates[0]['COUNT(*)'] != "0")
$error[] = "A course with that name already exists.";
if(strlen($desc) == 0)
$error[] = "You must enter a course description.";
$teacher = new user($dbpdo, $_SESSION['user_id']);
if(count($teacher->teaching) > 0)
foreach($teacher->teaching as $id)
$class = new course($dbpdo, $id);
$now = date("U");
$creation = date("U",strtotime($class->created));
if($now - $creation < 300)
$error[] = "You are creating classes too quickly.";
if(count($error) == 0)
$class = new course($dbpdo);
$teacher->log_to_feed('created class', $class->id);
$class->define_attribute('description', $desc, 0);
$class->define_attribute('syllabus', $syllabus, 0);
$class->define_attribute('prerequisites', $prereq, 0);
$class->define_attribute('additional_information', $addinfo, 0);
$class->define_attribute('url', $url, 0);
$class->define_attribute('live', $live, 0);
$class->define_attribute('teacher_qualifications', $qualifications, 0);
$class->define_attribute('status', '1', 0);
$url = "" . PREFIX . "/c" . $class->id;
//$url = make_bitly_url($url);
$tweet = $teacher->value . " has created a class! $url \"" . $plain_name . "\"";
if(strlen($tweet) > 140)
$tweet = substr($config,$tweet, 0, 136) . "...\"";
send_user_to("/class/" . $class->id . "/admin");
$params['title'] .= ' : Teach a Class';
<div id="teach">
<div class="content">
<h1>Create a class</h1>
<p>UReddit uses Markdown for formatting text, just like Reddit. <a href="" target="_blank">Here</a> is an online tutorial if you are unfamiliar with the syntax.</p>
<div style="color: red;">
if(count($error) != 0)
foreach($error as $err)
echo "- $err<br />\n";
</div><br />
<form method="post" action="<?=PREFIX ?>/teach">
Course name:<br />
<input type="text" name="name" class="teach" value="<?=post('name') ?>" />
<br /><br />
Course category:<br />
<? category_dropdown($dbpdo, "category", post('category')); ?>
<br /><br />
Class URL - or link to Reddit post about your course:<br />
<input type="text" name="url" class="teach" value="<?=post('url') ?>" />
<br /><br />
Course description:<br />
<textarea name="desc" class="teach"><?=post('desc') ?></textarea>
<br /><br />
Syllabus (make sure to talk about where you will be hosting class materials and when the class will start!):<br />
<textarea name="syllabus" class="teach"><?=post('syllabus') ?></textarea>
<br /><br />
Course prerequisites:<br />
<textarea name="prereq" class="teach"><?=post('prereq') ?></textarea>
<br /><br />
Additional information:<br />
<textarea name="addinfo" class="teach"><?=post('addinfo') ?></textarea>
<br /><br />
Your qualifications:<br />
<textarea name="qualifications" class="teach"><?=post('qualifications') ?></textarea>
<br /><br />
Will you be giving live lectures?<br />
<select name="live">
<option value="true">Yes</option>
<option value="false">No</option>
</select><br /><br />
<input type="submit" style="padding: 3px;" />
<div id="teach-side">
<div class="content">
<h2>READ ME!</h2>
Thank you for considering offering a class, but, please, consider the following first:
You are making a commitment to everyone that signs up for your class. Are you <strong>sure</strong> that you will be able to follow through and complete this class? Are you <strong>sure</strong> that you will consistently have the free time?
Consider preparing a sizable portion of the material for your class beforehand in order to be prepared for any unforseen circumstances.
Are you aware of all the resources available to you? You should have read the <a href="<?=PREFIX ?>">help</a> page for a list of resources including, but not limited to, the UReddit voice chat servers, email addresses, third-party hosting platforms, third-party video streaming services, &c.
If someone were to challenge your credentials and/or qualifications for teaching the material you plan to teach, will you be able to demonstrate your competence?
How do you plan to keep students engaged?
Have you already gauged interest in this class by making an [Offer] post in <a href="">our subreddit</a>?
<?php require_once('footer2.php'); ?>
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