learnexception.php

См. документацию.

<?php
 
class LearnException extends Exception
{
    const EXC_ERR_ALL_LOGIC         = 0x0000100;   // Logic error
    const EXC_ERR_ALL_GIVEUP        = 0x0001000;  // Any fatal error, on which called method gives up
    const EXC_ERR_ALL_PARAMS        = 0x0002000;  // At least one of params is out of admitted range
    const EXC_ERR_ALL_ACCESS_DENIED = 0x0010000;   // Access denied during some operation
    const EXC_ERR_ALL_NOT_EXISTS    = 0x0020000;  // Item not exists
 
    // Graph relations
    const EXC_ERR_GR_LINK           = 0x0000001; // GraphRelation error: unable to link edge
    const EXC_ERR_GR_UNLINK         = 0x0000002;   // GraphRelation error: unable to unlink edge
    const EXC_ERR_GR_SET_PROPERTY   = 0x0000004; // GraphRelation error: unable to set property
    const EXC_ERR_GR_GET_PROPERTY   = 0x0000008; // GraphRelation error: unable to get property value
    const EXC_ERR_GR_GET_NEIGHBOURS = 0x0000800;   // GraphRelation error: unable to list neighbours
    const EXC_ERR_GR_UPDATE         = 0x0004000;   // GraphRelation error: unable to update link parametres
 
    // Graph nodes
    const EXC_ERR_GN_CREATE         = 0x0000010;   // GraphNode error: unable to create graph node
    const EXC_ERR_GN_UPDATE         = 0x0000080;   // GraphNode error: unable to update graph node
    const EXC_ERR_GN_REMOVE         = 0x0000200;   // GraphNode error: unable to remove graph node
    const EXC_ERR_GN_GETBYID        = 0x0000400;  // GraphNode error: unable to get graph node by id
    const EXC_ERR_GN_CHECK_PARAMS   = 0x0000020; // GraphNode error: failed when params checked
    const EXC_ERR_GN_FILE_UPLOAD    = 0x0000040;  // GraphNode error: file uploading failure
 
    // CLearnPath
    const EXC_ERR_LP_BROKEN_PATH    = 0x0008000;  // broken path
 
    // CLearnLesson
    const EXC_ERR_LL_UNREMOVABLE_CL = 0x0040000;   // lesson is unremovable, because linked course is unremovable
    // nextID = 0x0080000
 
    // Redefine the exception to log exceptions
        public function __construct($message = null, $code = 0)
        {
            //$trace = debug_backtrace();
            // $trace = $this->trace;
            //$this->learning_log_exception ($message, $code, $this->line, $this->file, $trace);
        
                // make sure everything is assigned properly
                parent::__construct($message, $code);
        }
 
        protected function learning_log_exception ($message, $code, $line, $file, $backtrace)
        {
                if ( ! method_exists('CDatabase', 'Query') )
                    return;
 
                global $DB;
 
                if ( ! (is_object($DB) && method_exists($DB, 'Query')) )
                    return;
 
                if ( ! $DB->TableExists('b_learn_exceptions_log') )
                    return;
 
                $DB->Query (
                    "INSERT INTO b_learn_exceptions_log
                    (DATE_REGISTERED, CODE, MESSAGE, FFILE, LINE, BACKTRACE)
                    VALUES (" . $DB->GetNowFunction() . ", " . (int) $code . ", '"
                        . $DB->ForSQL($message) . "', '" . $DB->ForSQL($file) . "', "
                        . (int) $line . ",'" 
                        . $DB->ForSQL(base64_encode(serialize($backtrace))) // due to charsets problems do base64_encode()
                        . "')
                    ", 
                    true);
        }
}