<?php
/**
 * /lib/mysql.php
 *
 * This file contains the MySQL class for connecting and querying the database
 *
 * @copyright 2016-2021 Synergy Pro Marketing
 * @author Aaron Campbell <aaron@synergymentoring.com>
 * @license None, All Rights Reserved
 * @package Layout
 * @filesource
 */
 
 //Heavily modified by Jeremy Johnson to get it working with mysqli because mysql is no longer supported by php 7+

/**
 * MySQL is a database connection class for connecting and querying a MySQL database
 *
 * Example usage:
 * $db->query("SELECT * FROM table WHERE field = 1");
 *
 * @package  MySQL
 * @author Aaron Campbell <aaron@synergymentoring.com>
 * @version  $Revision: 1.3 $
 * @access public
 */

$db = new MySQL('db.syndbs.com', 'lc2user', 'SYN57CRUZ', 'asap');

class MySQL {
	var $lastRecords;
	var $lastQuery;
	var $lastError;
	var $lastID;
	var $insert_id;
	var $dbh;

	/**
	 * returns the database connection as a standard PHP object
	 *
	 * @param string $host The database host address
	 * @param string $user The database username
	 * @param string $pass The database password
	 * @param string $db The name of the database to connect to
	 */
	function __construct(
		$host = null,
		$user = null,
		$pass = null,
		$db = null
	) {
		$this->connected   = false;
		if(!empty($db)) {
			$this->conn_handle = mysqli_connect($host, $user, $pass, $db);
		} else {
			$this->conn_handle = mysqli_connect($host, $user, $pass);
		}
		if ($this->conn_handle) {
			$this->connected = true;
			$this->dbh = $this->conn_handle;
		}
	}

	/** returns true if databse connects and false if does not */
	function is_connected () {
		return $this->connected;
	}

	/**
	 * returns a queries results as an array
	 *
	 * @param string $query_str A standard MySQL query string
	 *
	 * @return array On select queries will return an array of records, otherwise will return an empty array
	 */
	function query ($query_str, $is_assoc=true) {
		$this->lastQuery = $query_str;
		$records           = Array();
		if ($this->connected == true) {
			$result     = mysqli_query($this->conn_handle, $query_str);
			$mysqlError = mysqli_error($this->conn_handle);
			if (mysqli_errno($this->conn_handle) > 0 && empty($this->lastError)) {
				$file_call_stack = debug_backtrace();
				$file_call_stack = print_r($file_call_stack, true);
				$result          = mysqli_query($this->conn_handle,"INSERT INTO lc2systems.db_errors
											SET
												description = '" . mysqli_real_escape_string($this->conn_handle,$mysqlError) . "',
												ip_address = '" . mysqli_real_escape_string($this->conn_handle,$_SERVER['REMOTE_ADDR']) . "',
												request_uri = '" . mysqli_real_escape_string($this->conn_handle,$_SERVER['REQUEST_URI']) . "',
												filename = '" . mysqli_real_escape_string($this->conn_handle,$_SERVER['SCRIPT_FILENAME']) . "',
												HOST = '" . mysqli_real_escape_string($this->conn_handle,$_SERVER['HTTP_HOST']) . "',
												site_code = '" . mysqli_real_escape_string($this->conn_handle,$_SESSION['site_code']) . "',
												reseller_id = '" . mysqli_real_escape_string($this->conn_handle,$_SESSION['user']) . "',
												lead_id = '" . mysqli_real_escape_string($this->conn_handle,$_SESSION['lead']) . "',
												version = '" . mysqli_real_escape_string($this->conn_handle,$_SESSION['version']) . "',
												call_trace = '" . mysqli_real_escape_string($this->conn_handle,$file_call_stack) . "'
										");
			}
			$this->lastError = $mysqlError;
			if ( ! is_bool($result)) {
				if($is_assoc) {
					while ($rec = mysqli_fetch_assoc($result)) {
						$records[] = $rec;
					}
				} else {
					while ($rec = mysqli_fetch_array($result)) {
						$records[] = $rec;
					}
				}
			} else {
				return $result;
			}
			$this->lastRecords = $records;
		}
		$this->last_insert_id();

		return $records;
	}
	
	function get_results($query) {
		$arr = $this->query($query);
		$return = array();
		if(!empty($arr)) {
			foreach($arr as $k=>$v) {
				$return[] = (object) $v;
			}
		}
		return $return;
	}
	
	function clean($value) {
		return mysqli_real_escape_string($this->conn_handle,$value);
	}
	
	function affected_rows() {
		return mysqli_affected_rows($this->conn_handle);
	}
	
	function escape($value) {
		return mysqli_real_escape_string($this->conn_handle,$value);
	}

	/**
	 * Adds a note to the site note table
	 *
	 * @param string $site_code the site for which a note is being saved
	 * @param array $session_data the standard $_SESSION array
	 * @param string $note the note content to be saved
	 * @param array $note_data the note information to be saved
	 *
	 * @return int $id if success returns false if failed
	 */
	function addNote ($site_code, $session_data, $note, $note_data) {
		/*
         * Example
         * --------------------------------------------------------------
		$noteData = array(
							"client_id"=>$user,
							"note_type"=>"client",
							"username"=>"aaron",
							"first_name"=>"aaron",
							"last_name"=>"campbell",
							"client_type"=>"client"
						);
		$note = "Hello World<hr>";
		$noteId = $db->addNote($siteCode, $_SESSION, $note, $noteData);
        -----------------------------------------------------------------
		*/
		$site_code       = mysqli_real_escape_string($this->conn_handle,$site_code);
		$timeclock_id    = $session_data['timeclock_id'];
		$timeclock_id    = ($timeclock_id * 1);
		$note            = mysqli_real_escape_string($this->conn_handle,$note);
		$client_id       = $note_data['client_id'];
		$client_id       = ($client_id * 1);
		$note_type       = $note_data['note_type'];
		$note_type       = mysqli_real_escape_string($this->conn_handle,$note_type);
		$note_username   = $note_data['username'];
		$note_username   = mysqli_real_escape_string($this->conn_handle,$note_username);
		$note_first_name = $note_data['first_name'];
		$note_first_name = mysqli_real_escape_string($this->conn_handle,$note_first_name);
		$note_last_name  = $note_data['last_name'];
		$note_last_name  = mysqli_real_escape_string($this->conn_handle,$note_last_name);
		$client_type     = $note_data['client_type'];
		$client_type     = mysqli_real_escape_string($this->conn_handle,$client_type);
		$location        = $note_data['location'];
		$location        = mysqli_real_escape_string($this->conn_handle,$location);
		if ( ! empty($site_code)) {
			if ($site_code == "surfcrm") {
				$site_database = "surfcrm.notes";
			} else {
				$site_database = "lc2{$site_code}_lc.notes";
			}
			$query  = "
							INSERT INTO {$site_database}
							SET
								site_code = '$site_code',
								timeclock_id = '$timeclock_id',
								client_id = '$client_id',
								client_type = '$client_type',
								username = '$note_username',
								first_name = '$note_first_name',
								last_name = '$note_last_name',
								type = '$note_type',
								note = '$note',
								location = '" . $_SERVER['REQUEST_URI'] . "',
								ip_address = '" . $_SERVER['REMOTE_ADDR'] . "'
						";
			$query  = trim($query);
			$result = mysqli_query($query);
			$id     = mysqli_insert_id($this->connHandle);
			$id     = ($id * 1);
			if ($id > 0) {
				return $id;
			} else {
				return false;
			}
		}
	}

	/**
	 * returns true when a query is run with no errors
	 *
	 * @return boolean Will return true when query is valid and false if the query is not valid
	 */
	function valid () {
		return ($this->connected && mysqli_errno($this->conn_handle) == 0);
	}

	/**
	 * @return integer The error code for MySQL
	 *
	 * For codes and descriptions see: https://dev.mysql.com/doc/refman/5.5/en/error-messages-server.html
	 * @see https://dev.mysql.com/doc/refman/5.5/en/error-messages-server.html
	 */
	function errno () {
		if ($this->connected) {
			return mysqli_errno($this->conn_handle);
		} else {
			return null;
		}
	}

	/**
	 * @return string The error description
	 */
	function error () {
		if ($this->connected) {
			$mysqlError        = mysqli_error($this->conn_handle);
			$this->lastError = $mysqlError;

			return $mysqlError;
		} else {
			return "";
		}
	}

	/**
	 * @return mixed[] Will return the last inserted record's primary key value
	 */
	function last_insert_id () {
		$id             = mysqli_insert_id($this->conn_handle);
		$this->lastID = $id;
		$this->insert_id = $id;
		if ($id == 0) {
			return null;
		} else {
			return $id;
		}
	}

	/**
	 * @return mixed[] Will return the last inserted record's primary key value
	 */
	function lastInsertId () {
		$id             = mysqli_insert_id($this->conn_handle);
		$this->lastID = $id;
		if ($id == 0) {
			return null;
		} else {
			return $id;
		}
	}
	
	function prettyJSON($json)
	{
		$result = '';
		$level = 0;
		$in_quotes = false;
		$in_escape = false;
		$ends_line_level = NULL;
		$json_length = strlen( $json );

		for( $i = 0; $i < $json_length; $i++ ) {
			$char = $json[$i];
			$new_line_level = NULL;
			$post = "";
			if( $ends_line_level !== NULL ) {
				$new_line_level = $ends_line_level;
				$ends_line_level = NULL;
			}
			if ( $in_escape ) {
				$in_escape = false;
			} else if( $char === '"' ) {
				$in_quotes = !$in_quotes;
			} else if( ! $in_quotes ) {
				switch( $char ) {
					case '}': case ']':
						$level--;
						$ends_line_level = NULL;
						$new_line_level = $level;
						break;

					case '{': case '[':
						$level++;
					case ',':
						$ends_line_level = $level;
						break;

					case ':':
						$post = " ";
						break;

					case " ": case "\t": case "\n": case "\r":
						$char = "";
						$ends_line_level = $new_line_level;
						$new_line_level = NULL;
						break;
				}
			} else if ( $char === '\\' ) {
				$in_escape = true;
			}
			if( $new_line_level !== NULL ) {
				$result .= "\n".str_repeat( "\t", $new_line_level );
			}
			$result .= $char.$post;
		}

		return $result;
	}

	function debug ($return_string='0') {
		$result = '<pre class="left">';
		$result .= $this->lastQuery;
		$result .= '<hr>';
		$result .= $this->prettyJSON(json_encode($this->lastRecords));
		$result .= '<hr>';
		$result .= $this->lastError;
		$result .= '<hr>';
		$result .= $this->lastID;
		$result .= '</pre>';
		
		if(empty($return_string)) {
			echo $result;
		} else {
			return $result;
		}
	}

	/**
	 * @var object The connection handle
	 * @access private
	 */
	public $conn_handle;
	/**
	 * @var boolean The connection status
	 * @access private
	 */
	public $connected;


}

;
/**
 * returns a mysqli_real_escape_string cleaned string
 *
 * @param mixed[] $value The value to be cleaned
 *
 * @return string Will return a cleaned string that is safe to insert into the database
 */
if(!function_exists('clean')) {
function clean ($value) {
	global $db;
	return mysqli_real_escape_string($db->conn_handle,$value);
}
}

if(!function_exists('mysql_real_escape_string')) {
function mysql_real_escape_string ($value) {
	global $db;
	return mysqli_real_escape_string($db->conn_handle,$value);
}
}

if(!function_exists('mysql_insert_id')) {
function mysql_insert_id ($value) {
	global $db;
	return $db->last_insert_id();
}
}