Discard JEvents iCal Import Events from Showing on Front End

discard_JEvents_iCal_Import_Messages.php

<?php // This PHP opening tag can be discarded, only exists for syntax coloring :)

/*
 *
 * Author: Mario Lopez (iibits.com)
 * License: MIT
 *
 * Instructions to implement will follow
 *
 */

// Determines whether to log discarded JEvents messages
$logErrors = false;

// Iterates through all Joomla! messages, checks for those related to iCal
// importing, and then discards them. This is to improve UX
foreach ($msgList as $type => $msgs) {
    
    // Loops through all msgLists of different error levels to select the one
    // that contains the JEvents alerts
    foreach ($msgs as $key => $msg) {

        // Checks to see if the current iteration matches the following alert
        if ($msg == "The iCal file was successfully imported.") {

            // If error logging is turned on, log the discarded message
            if ($logErrors)
                error_log("Discarded Message: " . $msg);
            
            // Removes the message from the list of messages
            unset($msgs[$key]);
        }
        else {

            // Removes the amount of events processed from the string
            $msgArray = explode(' ', $msg, 2);

            // Checks to see if the current iteration matches the following
            // alert
            if ($msgArray[1] == "iCal events processed") {

                // If error logging is turned on, log the discarded message
                if ($logErrors)
                    error_log("Discarded Message: " . $msg);
                    
                // Removes the message from the list of messages
                unset($msgs[$key]);
            }
        }
    }

    // If there are no more messages of type information (that's the message
    // that) JEvents spawns, then dump the entire info msgList
    if (count($msgs) == 0) {

        // If error logging is turned on, log the discarded message
        if ($logErrors)
            error_log("Discarded MessageList");
            
        // Removes the messagelist from the list of messagelists
        unset($msgList[$type]);
    }
}