class-bc-validate-public.php

<?php
/**
 * The public-facing functionality of the plugin.
 *
 * Defines the plugin name, version, and two examples hooks for how to
 * enqueue the dashboard-specific stylesheet and JavaScript.
 *
 * @package    BC_Validate
 * @subpackage BC_Validate/public
 * @author     Brad Payne
 */
class BC_Validate_Public {

	/**
	 * The ID of this plugin.
	 *
	 * @since    1.0.0
	 * @access   private
	 * @var      string $bc_validate The ID of this plugin.
	 */
	private $bc_validate;

	/**
	 * The version of this plugin.
	 *
	 * @since    1.0.0
	 * @access   private
	 * @var      string $version The current version of this plugin.
	 */
	private $version;

	/**
	 * @since 1.0.0
	 *
	 * @var array - list of email domians for bc institutions
	 */
	private $bc_domains = [
		'bccampus.ca',
		'bcit.ca',
		'camosun.ca',
		'camosun.bc.ca',
		'capilanou.ca',
		'cnc.bc.ca',
		'coastmountaincollege.ca',
		'cotr.bc.ca',
		'douglascollege.ca',
		'ecuad.ca',
		'jibc.ca',
		'kpu.ca',
		'langara.bc.ca',
		'langara.ca',
		'nvit.bc.ca',
		'nic.bc.ca',
		'nlc.bc.ca',
		'nwcc.bc.ca',
		'okanagan.bc.ca',
		'royalroads.ca',
		'selkirk.ca',
		'sfu.ca',
		'tru.ca',
		'ubc.ca',
		'unbc.ca',
		'ufv.ca',
		'uvic.ca',
		'vcc.ca',
		'viu.ca',
		'yukoncollege.yk.ca',
		'ascenda.com',
		'alexandercollege.ca',
		'columbiacollege.ca',
		'coquitlamcollege.com',
		'corpuschristi.ca',
		'etoncollege.ca',
		'fraseric.ca',
		'lasallecollegevancouver.com',
		'necvancouver.org',
		'pcu-whs.ca',
		'questu.ca',
		'twu.ca',
		'ucanwest.ca',
	];
	private $bc_inst    = [
		''      => '-- Select Option --',
		'bcc'   => 'BCcampus',
		'bcit'  => 'BC Institute of Technology',
		'cam'   => 'Camosun College',
		'capu'  => 'Capilano University',
		'cmc'   => 'Coast Mountain College',
		'cnc'   => 'College of New Caledonia',
		'cotr'  => 'College of the Rockies',
		'dc'    => 'Douglas College',
		'ecuad' => 'Emily Carr University of Art + Design',
		'jibc'  => 'Justice Institute of B.C.',
		'kpu'   => 'Kwantlen Polytechnic University',
		'lang'  => 'Langara College',
		'nvit'  => 'Nicola Valley Institute of Technology',
		'nic'   => 'North Island College',
		'nlc'   => 'Northern Lights College',
		'okan'  => 'Okanagan College',
		'rru'   => 'Royal Roads University',
		'selk'  => 'Selkirk College',
		'sfu'   => 'Simon Fraser University',
		'tru'   => 'Thompson Rivers University',
		'truo'  => 'Thompson Rivers University - Open Learning',
		'ubc'   => 'University of British Columbia',
		'unbc'  => 'University of Northern British Columbia',
		'ufv'   => 'University of the Fraser Valley',
		'uvic'  => 'University of Victoria',
		'vcc'   => 'Vancouver Community College',
		'viu'   => 'Vancouver Island University',
		'yukc'  => 'Yukon College',
		'asm'   => 'Acsenda School of Managment',
		'ac'    => 'Alexander College',
		'cc'    => 'Columbia College',
		'coq'   => 'Coquitlam College',
		'ccc'   => 'Corpus Christi College',
		'ec'    => 'Eaton College',
		'fic'   => 'Fraser International College',
		'lcv'   => 'LaSalle College Vancouver',
		'nec'   => 'Native Education College',
		'pcu'   => 'Pacific Coast University for Workplace Health Sciences',
		'quc'   => 'Quest University Canada',
		'twu'   => 'Trinity Western University',
		'ucw'   => 'University Canada West',
	];

	/**
	 * Initialize the class and set its properties.
	 *
	 * @since    1.0.0
	 * @var      string $bc_validate The name of the plugin.
	 * @var      string $version The version of this plugin.
	 */
	public function __construct( $bc_validate, $version ) {

		$this->bc_validate = $bc_validate;
		$this->version     = $version;
	}

	/**
	 * Validates the user input and generates error messages for users
	 *
	 * @param $result
	 *
	 * @return mixed
	 */
	public function signupUserBC( $result ) {

		if ( isset( $_POST ) && 'validate-user-signup' != $_POST['stage'] ) {
			return $result;
		}

		$wp_error_email = $result['errors']->get_error_message( 'user_email' );

		// if WP finds an error with email
		if ( ! empty( $_POST['user_email'] ) && empty( $wp_error_email ) ) {
			$domain = $this->parseEmail( $_POST['user_email'] );
			$ok     = $this->checkDomain( $domain );

			if ( false === $ok ) {
				$result['errors']->add( 'user_email', 'Please use an email address from a post-secondary institution in British Columbia' );
			}
		}

		// check if they've indicated which bc institution they belong to
		if ( empty( $_POST['bc_inst'] ) ) {
			$result['errors']->add( 'bc_inst', 'Please indicate which BC institution you are currently employed with' );
		}

		// and now back to our regular programming
		return $result;
	}

	/**
	 * Parses an email address and returns the domain name
	 *
	 * @param string $email_address
	 *
	 * @return string
	 */
	private function parseEmail( $email_address ) {

		if ( empty( $email_address ) ) {
			return '';
		}
		//get rid of username
		$part = strstr( $email_address, '@' );

		// return everything but the @
		$domain = substr( $part, 1 );

		return $domain;
	}

	/**
	 * Compares the domain of the users email to a list of BC Institutional
	 * domains
	 *
	 * @param string $domain
	 *
	 * @return boolean
	 */
	private function checkDomain( $domain ) {

		if ( empty( $domain ) ) {
			return false;
		}

		if ( in_array( $domain, $this->bc_domains ) ) {
			return true;
		}

		// target subdomain, ex: geog.ubc.ca
		$parts = explode( '.', $domain );

		if ( count( $parts ) === 3 ) {
			$base_domain = $parts[1] . '.' . $parts[2];

			foreach ( $this->bc_domains as $inst ) {
				if ( false !== strpos( $inst, $base_domain ) ) {
					return true;
				}
			}
		}

		return false;
	}

	/**
	 * Adds a dropdown list of BC Institutions to the signup form
	 *
	 * @param type $errors
	 */
	public function signupExtraBC( $errors ) {
		// Select list for BC Institutions
		$html = '<label for="bc_inst">' . __( 'BC Institution:' ) . '</label>';
		if ( $errmsg = $errors->get_error_message( 'bc_inst' ) ) {
			$html .= '<p class="error">' . $errmsg . '</p>';
		}
		$html .= '<p><select name="bc_inst" required="true">';

		foreach ( $this->bc_inst as $id => $val ) {
			$html .= "<option value='{$id}'>{$val}</option>";
		}
		$html .= '</select><br>'
				 . '(Must be a faculty member or staff currently working at a post-secondary institute in British Columbia or the Yukon.)</p>';

		echo $html;
	}

	/**
	 *
	 * @param array $meta
	 *
	 * @return array
	 */
	public function signupMetaBC( $meta ) {
		if ( isset( $_POST['bc_inst'] ) ) {
			$add_meta = [
				'bc_inst' => $_POST['bc_inst'],
			];
			$meta     = array_merge( $add_meta, $meta );
		}

		return $meta;
	}

	public function signupStyleBC() {

		$html = '<style type="text/css">
		.mu_register { width: 60%; margin:0 auto; }
		</style>';
		echo $html;
	}

}