easyappointments/src/application/helpers/custom_exceptions_helper.php

<?php if ( ! defined('BASEPATH')) exit('No direct script access allowed');

/**
 * Database Exception Class
 */
class DatabaseException extends Exception {}

/**
 * Validation Exception Class
 */
class ValidationException extends Exception {}

/**
 * Notification Exception Class
 */
class NotificationException extends Exception {}

/**
 * Sync Exception Class
 */
class SyncException extends Exception {}

/**
 * Print an exception to an HTML text.
 * 
 * This method is used to display exceptions in a way that is useful and easy
 * for the user to see. It uses the Bootstrap CSS accordion markup to display
 * the message and when the user clicks on it the exception trace will be revealed.
 * We display only one exceptions at a time because the user needs to be able
 * to display the details of each exception seperately. (In contrast with js).
 * 
 * @param Exception $exception The exception to be displayed.
 * @return string Returns the html markup of the exception.
 */
function exceptionToHtml($exception) {
    return 
        '<div class="accordion" id="error-accordion">
            <div class="accordion-group">
                <div class="accordion-heading">
                    <a class="accordion-toggle" data-toggle="collapse" 
                            data-parent="#error-accordion" href="#error-technical">' . 
                        $exception->getMessage() . '
                    </a>
                </div>
                <div id="error-technical" class="accordion-body collapse">
                    <div class="accordion-inner">
                        <pre>' . $exception->getTraceAsString() . '</pre>
                    </div>
                </div>
            </div>
        </div>';
}

/**
 * Get a javascript object of a given exception.
 * 
 * This method is pretty useful whenever we need to pass an exception object
 * to javascript during ajax calls. 
 * 
 * @param Exception $exception The given exception object.
 * @return string Returns the json encoded object of the exception.
 */
function exceptionToJavascript($exception) {
    return json_encode(array(
        'code' => $exception->getCode(),
        'file' => $exception->getFile(),
        'line' => $exception->getLine(),
        'message' => $exception->getMessage(),
        'previous' => $exception->getPrevious(),
        'trace' => $exception->getTraceAsString()        
    ));
}

/* End of file exception_types_helper.php */
/* Location: ./application/helpers/exception_types_helper.php */