options = get_option( 'aiwp_settings', array() );
// if admin area, get instance of admin class
if ( is_admin() ) { Appear_In_WP_Admin::get_instance(); }
// else, check for shortcode presence and respond accordingly
else {
add_action( 'template_redirect', array( $this, 'respond_to_shortcode' ) );
}
// add the shortcode
add_shortcode( 'appear_in', array( $this, 'display_shortcode' ) );
// include the ajax library on the front end
add_action( 'wp_head', array( &$this, 'add_ajax_library' ) );
// ajax action callback for sending email invites
add_action( 'wp_ajax_aiwp_invite', array( &$this, 'email_invites' ) ); // if logged-in
add_action( 'wp_ajax_nopriv_aiwp_invite', array( &$this, 'email_invites' ) ); // if not logged-in
// ajax action callback for counting sessions
add_action( 'wp_ajax_aiwp_session', array( &$this, 'count_session' ) ); // if logged-in
add_action( 'wp_ajax_nopriv_aiwp_session', array( &$this, 'count_session' ) ); // if not logged-in
// ajax action callback for counting accepted invitations
add_action( 'wp_ajax_aiwp_direct_session', array( &$this, 'count_direct_session' ) ); // if logged-in
add_action( 'wp_ajax_nopriv_aiwp_direct_session', array( &$this, 'count_direct_session' ) ); //if not logged-in
} // end __construct
/*---------------------------------------------------------------------------------*
* Public Functions
*---------------------------------------------------------------------------------*/
/**
* Return an instance of this class.
*
* @since 1.0
*
* @return object A single instance of this class.
*/
public static function get_instance() {
// if the single instance hasn't been set, set it now.
if ( null == self::$instance ) {
self::$instance = new self;
} // end if
return self::$instance;
} // end get_instance
/**
* Check for shortcode and enqueue scripts if shortcode is present.
*
* @since 1.0
*/
public function respond_to_shortcode() {
// get post object
global $post;
// get post object
$post_obj = get_post( $post->ID );
// check if shortcode is present in post content
if ( stripos( $post_obj->post_content, '[appear_in' ) !== FALSE ) {
// call to enqueue scripts and styles needed for shortcode
add_action( 'wp_enqueue_scripts', array( $this, 'add_stylesheets_and_javascript' ) );
} // end if
} // end respond_to_shortcode
/**
* Registers the front-end stylesheets and scripts
*
* @since 1.0
*/
public function add_stylesheets_and_javascript() {
// enqueue stylesheet
wp_enqueue_style( 'aiwp-style', AIWP_DIR_URL . 'aiwp.css', array(), AIWP_VERSION, 'screen' );
// enqueue jquery on front-end
wp_enqueue_script( 'jquery' );
// enqueue appear-in API library
wp_enqueue_script( 'appearin-library', 'http://iswebrtcready.appear.in/apiv2.js', array(), AIWP_VERSION );
// enqueue script for handling local interaction
wp_enqueue_script( 'aiwp', AIWP_DIR_URL . 'aiwp.js', array(), AIWP_VERSION );
} // end add_stylesheets_and_javascript
/**
* Adds the WordPress Ajax Library to the frontend.
*
* @since 1.0
*/
public function add_ajax_library() {
// build the inline script
$html = '';
// echo the inline script
echo $html;
} // end add_ajax_library
/**
* Returns the shortcode content
*
* @since 1.0
*
* @return string HTML content displayed by shortcode.
*/
public function display_shortcode( $atts, $content = '' ) {
// extract the shortcode parameters
extract( shortcode_atts( array(
'room' => '',
'type' => 'public',
'public_invites' => NULL,
'private_invites' => NULL,
'post_invites' => NULL,
), $atts ) );
// push the shortcode defined rooom types to an array
$aiwp_room_types = explode( ',', str_replace( ' ', '', $type ) );
// get public room name from shortcode, otherwise from custom options, otherwise from plugins randomly assigned & daily dynamic name
if ( '' != $room ) {
$custom_room_name = $room;
} elseif ( isset( $this->options['room'] ) && '' != $this->options['room'] ) {
$custom_room_name = $this->options['room'];
} else {
$custom_room_name = get_option( 'aiwp_public_room' );
}
// put allowable invites from shortcode into array
$invites = array(
'public' => $public_invites,
'private' => $private_invites,
'post' => $post_invites,
);
// if null, get from custom options
foreach ( $invites as $room_type => $invite_count ) {
if ( is_null( $invites[ $room_type ] ) ) {
$invites[ $room_type ] = $this->options['invites'][ $room_type ];
}
}
// build room selection wrapper
$html = '
';
foreach ( $aiwp_room_types as $room_type ) {
$room_button_text = isset( $atts[ $room_type . '_room_button' ] ) ? $atts[ $room_type . '_room_button' ] : ucfirst( $room_type ) . ' Room';
$invite_button_text = isset( $atts[ $room_type . '_invite_button' ] ) ? $atts[ $room_type . '_invite_button' ] : 'Send Invitations & Enter ' . ucfirst( $room_type ) . ' Room';
// display public room button, depending on which types of rooms are to be displayed
$html .= '';
}
$html .= '
';
// build compatibility test result
$html .= '' . apply_filters( 'aiwp_unsupported_browser_message', 'It appears your browser is not capable of displaying this content. Try connecting with Chrome, Firefox, or Opera.' ) . '';
// include appearin iframe populated by API
$html .= '';
return $html;
} // end display_shortcode
/**
* Build an invitation form
*
* @since 1.0
*
* @return string HTML content for invite form.
*/
public function invite_form( $invites = 0, $room_type, $invite_button_text ) {
// if invites enabled for room type, then build a hidden form
// otherwise, include hidden content to trigger room launch
if ( $invites > 0 ) {
$html = '
';
// include replacement button for invite submission and room entrance
$html .= '';
// inform of optional invites (delay hide with js)
$html .= 'Optionally Invite';
// include input for users name & email
$html .= '';
$html .= '';
// include some number of inputs for invitation emails (defined by custom settings)
for ( $i=1; $i<($invites+1); $i++ ) {
$html .= '1 ? ' style="display:none;"' : ''; // ensure the first field is displayed
$html .= ' value="" tabindex="' . ( 4 + $i ) . '">';
}
$html .= '
';
} else {
$html = '';
} // end if
return $html;
}
/**
* Callback for ajax send email invites
*
* @since 1.0
*/
public function email_invites() {
if ( check_ajax_referer( 'aiwp-action-on_' . get_option( 'aiwp_public_room' ), 'aiwp_security' ) ) {
// get the submitted parameters
$aiwp_username = $_POST['aiwp_username'];
$aiwp_email = $_POST['aiwp_email'];
$aiwp_room_url = $_POST['aiwp_room_url'];
$aiwp_room = $_POST['aiwp_room'];
$aiwp_room_type = $_POST['aiwp_room_type'];
$aiwp_invites = array();
// get the submitted emails and fill array
for( $i=1; $i<8; $i++ ) {
( isset( $_POST[ 'aiwp_invite_' . $i ] ) && '' != $_POST[ 'aiwp_invite_' . $i ] ) ? $aiwp_invites[] = $_POST[ 'aiwp_invite_' . $i ] : FALSE;
}
// if no invite emails set, then return true to enter room
// otherwise, process email invites
if ( empty( $aiwp_invites ) ) {
echo TRUE;
} else {
// validate invite email addresses
foreach ( $aiwp_invites as $email ) {
// if any fail, then return false triggering error message
if ( ! is_email( $email ) ) {
echo FALSE;
die();
}
}
// if from email set and valid, build header
// otherwise, set empty header
if ( '' != $aiwp_email && is_email( $aiwp_email ) ) {
$header = 'From: ';
$header .= '' != $aiwp_username ? $aiwp_username : '';
$header .= '<' . $aiwp_email . '>';
} else {
$header = '';
}
// build the message content
$message = 'You have been invited';
$message .= '' != $aiwp_username ? ' by ' . $aiwp_username : '';
$message .= ' to join a videochat happening now at ' . $aiwp_room_url . '?appear-in=' . $aiwp_room . '&aiwp-ref=invite';
// send each message separately
foreach ( $aiwp_invites as $email ) {
// send the message
$email_sent = wp_mail( $email, apply_filters( 'aiwp_invitation_subject', 'Invitation to Appear In', $aiwp_room_type ), apply_filters( 'aiwp_invitation_message', $message, $aiwp_room_type ), $header );
// if send fails, return false triggering error message
// otherwise, add 1 to invite count stats
if ( ! $email_sent ) {
echo FALSE;
die();
} else {
$aiwp_stats = get_option( 'aiwp_stats' );
$aiwp_stats[ $aiwp_room_type ]['invites_sent'] ++;
update_option( 'aiwp_stats', $aiwp_stats );
}
}
// return success to enter room
echo TRUE;
}
} else {
echo FALSE;
}
die();
}
/**
* Callback for ajax counting rooms triggered
*
* @since 1.0
*/
public function count_session() {
if ( check_ajax_referer( 'aiwp-action-on_' . get_option( 'aiwp_public_room' ), 'aiwp_security' ) ) {
$aiwp_room_type = $_POST['aiwp_room_type'];
$aiwp_stats = get_option( 'aiwp_stats' );
$aiwp_stats[ $aiwp_room_type ]['rooms_triggered'] ++;
update_option( 'aiwp_stats', $aiwp_stats );
echo TRUE;
} else {
echo FALSE;
}
die();
}
/**
* Callback for ajax counting accepted invites
*
* @since 1.0
*/
public function count_direct_session() {
if ( check_ajax_referer( 'aiwp-action-on_' . get_option( 'aiwp_public_room' ), 'aiwp_security' ) ) {
$aiwp_room = $_POST['aiwp_room'];
$aiwp_ref = $_POST['aiwp_ref'];
if ( strpos( $aiwp_room, '://' ) > 0 ) {
$aiwp_room_type = 'post';
} elseif ( strpos( ' ' . $aiwp_room, 'private-' ) > 0 ) {
$aiwp_room_type = 'private';
} else {
$aiwp_room_type = 'public';
}
$aiwp_stats = get_option( 'aiwp_stats' );
if ( 'invite' == $aiwp_ref ) {
$aiwp_stats[ $aiwp_room_type ]['invites_accepted'] ++;
}
update_option( 'aiwp_stats', $aiwp_stats );
echo TRUE;
} else {
echo FALSE;
}
die();
}
} // end class
/**
* Call to include room form
*/
function aiwp_include( $args ) {
$aiwp_defaults = array(
'room' => '',
'type' => 'public',
'public_invites' => NULL,
'private_invites' => NULL,
'post_invites' => NULL,
);
$args = wp_parse_args( $args, $aiwp_defaults );
$shortcode = '[appear_in ';
foreach ( $args as $parameter => $value ) {
if ( ! empty( $value ) && ! is_null( $value ) ) {
$shortcode .= $parameter . '="' . $value . '" ';
}
}
$shortcode .= ']';
Appear_In_WP::add_stylesheets_and_javascript();
echo do_shortcode( $shortcode );
}
/**
* Create a random room code
*/
function aiwp_random_room() {
// predefine the alphabet used
$aiwp_alphabet = 'qwertyuiopasdfghjklzxcvbnm1234567890';
// set the length of the string
$aiwp_stringLength = 30;
// initialize the room name as an empty string
$aiwp_randomString = '';
// select and add 30 random character to the string
for ( $i=0; $i<$aiwp_stringLength; $i++) {
$aiwp_character = $aiwp_alphabet[ round( ( rand(0,100)/100 )*(strlen($aiwp_alphabet)-1) ) ];
$aiwp_randomString .= $aiwp_character;
} // end for
// return the result
return $aiwp_randomString;
}
/**
* Creates a new room code and saves to db
*/
function aiwp_expire_room() {
$aiwp_room = aiwp_random_room();
update_option( 'aiwp_public_room', $aiwp_room );
}
// Hook function to expireroom cron event (found in admin class)
add_action( 'expireroom', 'aiwp_expire_room' );
?>