mentor_notifications.php

<?php

class MM_Notifications  {

    private $usr_mentor;
    private $usr_mentee;
    private $mentor_action;
    private $email_codes;
    private $notice_type;
    private $debug_email;
    private $booking;

    public function __construct ($usr_mentor, $usr_mentee, $mentor_action, $booking, $debug_email = false){
        $this -> usr_mentor    = $usr_mentor;
        $this -> usr_mentee    = $usr_mentee;
        $this -> mentor_action = $mentor_action;        
        $this -> debug_email   = $debug_email ? $debug_email : false;
        $this -> booking       = $booking;
    }

    public function send($notice_type){

        if(!in_array($notice_type, ['requested', 'confirmed', 'updated', 'deleted'])) die( 'Unknown notice type: ' . $notice_type );

        $this -> notice_type = $notice_type;

        $notice_template = $this -> notice_template();
        $tpl_subject     = $notice_template['subject'];
        $tpl_body        = $notice_template['body'];

        preg_match_all('/![a-z_]*?!/', $tpl_subject.$tpl_body, $matches);
        $this -> email_codes = array_shift($matches);

        $email_to = 'mentor'; 

        while($email_to){

            $subject = str_ireplace($this -> email_codes, $this -> replacer($email_to == 'mentor'), $tpl_subject);
            $body    = str_ireplace($this -> email_codes, $this -> replacer($email_to == 'mentor'), $tpl_body);

            $to_email_address = $this -> debug_email ? $this -> debug_email :  ($email_to == 'mentor' ? $this -> usr_mentor -> email : $this -> usr_mentee -> email);

            Email::send_email($to_email_address, SITE_EMAIL, $subject, $body, SYNDICATE_NAME);                              

            $email_to  = $email_to == 'mentor' ? 'mentee' : false;
        }

    }

    private function replacer($mentor_email=true){
        $v = +boolval($mentor_email) ."". +boolval($this -> mentor_action);

        $usr_mentor = $this -> usr_mentor;
        $usr_mentee = $this -> usr_mentee;

        $code_values = [
            '!sub_person!'    => in_array($v, ['11', '00']) ? 'you' : ($v == '10' ? $usr_mentee -> name : $usr_mentor -> name ),
            '!bod_hi!'        => in_array($v, ['11', '10']) ?  $usr_mentor -> first_name  :  $usr_mentee -> first_name  ,
            '!bod_who_did!'   => in_array($v, ['11', '00']) ? 'You have' : ( $v == '10' ?  'Mentee '.$usr_mentee -> name . ' has' :  'Mentor '.$usr_mentor -> name  . ' has' ) ,
            '!bod_to_whom!'   => in_array($v, ['01', '10']) ? 'you' : ($v == '11' ?  'mentee '.$usr_mentee -> name :  'mentor '.$usr_mentor -> name ),
            '!user_type!'     => in_array($v, ['11', '01']) ? 'mentor': 'mentee',
            '!bod_appt_text!' => in_array($this -> notice_type, ['requested', 'updated']) ? 'the appointment' : 'appointments',
            '!sub_appt_text!' => $this -> notice_type == 'requested' ? 'New mentor appointment' : 'Mentor appointment',
        ];
        return array_map(function($c) use($code_values) { if(isset($code_values[$c]) ) return $code_values[$c]; }, $this -> email_codes);    
    }


    private function notice_template(){
        $usr_mentor   = $this -> usr_mentor;
        $usr_mentee   = $this -> usr_mentee;
        $type         = $this -> notice_type;
        $booking_data = $this -> booking;

        $url_params = $type != 'cancelled' ? '?!user_type!_booking='.$booking_data['id'].'&mentor='.$booking_data['mid'].'&jump-to-date='.$booking_data['from_date']: '';

        $subject = "!sub_appt_text! $type by !sub_person!: (".SYNDICATE_NAME .")";
        $body = "<p>Hi !bod_hi!,</p>
            <p>!bod_who_did! $type an appointment with !bod_to_whom! on the ".SYNDICATE_NAME." Mentor Manager.</p>
            <p><b>Agenda</b>: ".$booking_data['purpose']."<br>
            <b>At</b>: ".$this -> time_string($booking_data['from_date'], $booking_data['from_time'], $booking_data['to_date'], $booking_data['to_time'] )."</p>
            <p>Please <a href=".'https://'.THEME_NAME .'.hatcher.com/app/admin-mentors.php'. $url_params .">click here</a> to view and manage !bod_appt_text! on the Mentor Manager.</p>
            <p><br>Have a great day,
            <br>".SYNDICATE_NAME."</p>";

        return ['subject' => $subject, 'body' => $body];
        
    }

    private static function time_string($fDate, $fTime, $tDate, $tTime, $glue = 'to'){
        $fTime = preg_replace('/:00$/', '', $fTime);
        $tTime = preg_replace('/:00$/', '', $tTime);    

        if($fDate == $tDate ) return $fDate . ', ' . $fTime ." $glue ". $tTime;
        else return $fDate . " " . $fTime . " $glue " . $tDate . " " . $tTime;
    }

}



?>