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sakura/libraries/DBWrapper/mysql.php

380 lines
12 KiB
PHP

<?php
/*
* Sakura MySQL Database Engine
*/
namespace Sakura\DBWrapper;
use PDO;
use PDOException;
use \Sakura\Config;
/**
* Class MySQL
* @package Sakura\DBWrapper
*/
class mysql
{
// Variable that will contain the SQL connection
// Please refrain from referring to this, unless it's for your personal branch/purpose, despite it being public
// it sort of defeats the "dynamic database system" I want to go for.
public $sql;
// Constructor
public function __construct()
{
if (!extension_loaded('PDO')) {
// Return error and die
trigger_error('PDO extension not loaded.', E_USER_ERROR);
}
// Initialise connection
$this->initConnect(
(
Config::getLocalConfig('database', 'unixsocket') ?
$this->prepareSock(
Config::getLocalConfig('database', 'host'),
Config::getLocalConfig('database', 'database')
) :
$this->prepareHost(
Config::getLocalConfig('database', 'host'),
Config::getLocalConfig('database', 'database'),
(
Config::getLocalConfig('database', 'port') !== null ?
Config::getLocalConfig('database', 'port') :
3306
)
)
),
Config::getLocalConfig('database', 'username'),
Config::getLocalConfig('database', 'password')
);
}
// Regular IP/Hostname connection method prepare function
private function prepareHost($dbHost, $dbName, $dbPort = 3306)
{
$dsn = 'mysql:host=' . $dbHost . ';port=' . $dbPort . ';dbname=' . $dbName;
return $dsn;
}
// Unix Socket connection method prepare function
private function prepareSock($dbHost, $dbName)
{
$dsn = 'mysql:unix_socket=' . $dbHost . ';dbname=' . $dbName;
return $dsn;
}
// Initialise connection using default PDO stuff
private function initConnect($dsn, $dbUname, $dbPword)
{
try {
// Connect to SQL server using PDO
$this->sql = new PDO($dsn, $dbUname, $dbPword, [
PDO::ATTR_EMULATE_PREPARES => false,
PDO::ATTR_ERRMODE => PDO::ERRMODE_WARNING,
]);
} catch (PDOException $e) {
// Catch connection errors
trigger_error('SQL Driver: ' . $e->getMessage(), E_USER_ERROR);
}
return true;
}
public function select($table, $data = null, $order = null, $limit = null, $group = null, $distinct = false, $column = '*', $prefix = null)
{
// Begin preparation of the statement
$prepare = 'SELECT ' . ($distinct ? 'DISTINCT ' : '') . ($column == '*' ? '' : '`') . $column . ($column == '*' ? '' : '`') . ' FROM `' . ($prefix ? $prefix : Config::getLocalConfig('database', 'prefix')) . $table . '`';
// If $data is set and is an array continue
if (is_array($data)) {
$prepare .= ' WHERE';
foreach ($data as $key => $value) {
// Check if there's multiple statements
if (!is_array($value[0])) {
$temp = $value;
unset($value);
$value[0] = $temp;
}
// Go over each data thing
foreach ($value as $sub => $val) {
$prepare .= ' `' . $key . '` ' . $val[1] . ' :' . $key . '_' . $sub . ($key == key(array_slice($data, -1, 1, true)) && $sub == key(array_slice($value, -1, 1, true)) ? '' : ' ' . (isset($val[2]) && $val[2] ? 'OR' : 'AND'));
unset($sub);
unset($val);
}
// Unset variables to be safe
unset($key);
unset($value);
}
}
// If $group is set and is an array continue
if (is_array($group)) {
$prepare .= ' GROUP BY';
foreach ($group as $key => $value) {
$prepare .= ' `' . $value . '`' . ($key == key(array_slice($group, -1, 1, true)) ? '' : ',');
// Unset variables to be safe
unset($key);
unset($value);
}
}
// If $order is set and is an array continue
if (is_array($order)) {
$prepare .= ' ORDER BY `' . $order[0] . '`' . (!empty($order[1]) && $order[1] ? ' DESC' : '');
}
// If $limit is set and is an array continue
if (is_array($limit)) {
$prepare .= ' LIMIT';
foreach ($limit as $key => $value) {
$prepare .= ' ' . $value . ($key == key(array_slice($limit, -1, 1, true)) ? '' : ',');
// Unset variables to be safe
unset($key);
unset($value);
}
}
// Add the finishing semicolon
$prepare .= ';';
// Actually prepare the preration
$query = $this->sql->prepare($prepare);
// Bind those parameters if $data is an array that is
if (is_array($data)) {
foreach ($data as $key => $value) {
// Check if there's multiple statements
if (!is_array($value[0])) {
$temp = $value;
unset($value);
$value[0] = $temp;
}
// Go over each data thing
foreach ($value as $sub => $val) {
$query->bindParam(':' . $key . '_' . $sub, $val[0]);
unset($sub);
unset($val);
}
// Unset variables to be safe
unset($key);
unset($value);
}
}
// Execute the prepared statements with parameters bound
$query->execute();
// Return the query
return $query;
}
// Fetch array from database
public function fetch($table, $fetchAll = true, $data = null, $order = null, $limit = null, $group = null, $distinct = false, $column = '*', $prefix = null)
{
// Run a select statement
$query = $this->select($table, $data, $order, $limit, $group, $distinct, $column, $prefix);
// Return the output
return $fetchAll ? $query->fetchAll(PDO::FETCH_ASSOC) : $query->fetch(PDO::FETCH_ASSOC);
}
// Insert data to database
public function insert($table, $data, $prefix = null)
{
// Begin preparation of the statement
$prepare = 'INSERT INTO `' . ($prefix ? $prefix : Config::getLocalConfig('database', 'prefix')) . $table . '` ';
// Run the foreach statement twice for (`stuff`) VALUES (:stuff)
for ($i = 0; $i < 2; $i++) {
$prepare .= '(';
// Do more shit, don't feel like describing this so yeah
foreach ($data as $key => $value) {
if (strlen($value)) {
$prepare .= ($i ? ':' : '`') . $key . ($i ? '' : '`') . ($key == key(array_slice($data, -1, 1, true)) ? '' : ', ');
}
}
$prepare .= ')' . ($i ? ';' : ' VALUES ');
}
// Actually prepare the preration
$query = $this->sql->prepare($prepare);
// Bind those parameters
foreach ($data as $key => $value) {
if (strlen($value)) {
$query->bindParam(':' . $key, $value);
}
// Unset variables to be safe
unset($key);
unset($value);
}
// Execute the prepared statements with parameters bound
$result = $query->execute();
// Return whatever can be returned
return $result;
}
// Update data in the database
public function update($table, $data, $prefix = null)
{
// Begin preparation of the statement
$prepare = 'UPDATE `' . ($prefix ? $prefix : Config::getLocalConfig('database', 'prefix')) . $table . '`';
// Run a foreach on $data and complete the statement
foreach ($data as $key => $values) {
// Append WHERE or SET depending on where we are
$prepare .= ' ' . ($key ? 'WHERE' : 'SET');
// Do this complicated shit, I barely know what's going on anymore but it works
foreach ($values as $column => $column_data) {
$prepare .= ' `' . $column . '` ' . ($key ? $column_data[1] : '=') . ' :' . ($key ? 'w' : 's') . '_' . $column . ($column == key(array_slice($values, -1, 1, true)) ? ($key ? ';' : '') : ($key ? ' ' . (isset($value[2]) && $value[2] ? 'OR' : 'AND') : ','));
}
}
// Actually prepare the preration
$query = $this->sql->prepare($prepare);
// Seperate the foreaches for the SET and WHERE clauses because it's fucking it up for some odd reason
// Bind Set Clauses
foreach ($data[0] as $key => $value) {
// Do the binding
$query->bindParam(':s_' . $key, $value);
// Unset variables to be safe
unset($key);
unset($value);
}
// Bind Where Clauses
foreach ($data[1] as $key => $values) {
// Assign the array entry to a variable because fuck strict standards
$value = $values[0];
// Binding two electrifying memes
$query->bindParam(':w_' . $key, $value);
// Unset variables to be safe
unset($key);
unset($value);
unset($values);
}
// Execute the prepared statements with parameters bound
$result = $query->execute();
// Return whatever can be returned
return $result;
}
// Delete data from the database
public function delete($table, $data, $prefix = null)
{
// Begin preparation of the statement
$prepare = 'DELETE FROM `' . ($prefix ? $prefix : Config::getLocalConfig('database', 'prefix')) . $table . '`';
// If $data is set and is an array continue
if (is_array($data)) {
$prepare .= ' WHERE';
foreach ($data as $key => $value) {
$prepare .= ' `' . $key . '` ' . $value[1] . ' :' . $key . ($key == key(array_slice($data, -1, 1, true)) ? '' : ' ' . (isset($value[2]) && $value[2] ? 'OR' : 'AND'));
// Unset variables to be safe
unset($key);
unset($value);
}
}
// Actually prepare the preration
$query = $this->sql->prepare($prepare);
// Bind those parameters
foreach ($data as $key => $value) {
$query->bindParam(':' . $key, $value[0]);
// Unset variables to be safe
unset($key);
unset($value);
}
// Execute the prepared statements with parameters bound
$result = $query->execute();
// Return whatever can be returned
return $result;
}
// Count data from the database
public function count($table, $data = null, $prefix = null)
{
// Begin preparation of the statement
$prepare = 'SELECT COUNT(*) FROM `' . ($prefix ? $prefix : Config::getLocalConfig('database', 'prefix')) . $table . '`';
// If $data is set and is an array continue
if (is_array($data)) {
$prepare .= ' WHERE';
foreach ($data as $key => $value) {
$prepare .= ' `' . $key . '` ' . $value[1] . ' :' . $key . ($key == key(array_slice($data, -1, 1, true)) ? '' : ' ' . (isset($value[2]) && $value[2] ? 'OR' : 'AND'));
// Unset variables to be safe
unset($key);
unset($value);
}
}
// Add the finishing semicolon
$prepare .= ';';
// Actually prepare the preration
$query = $this->sql->prepare($prepare);
// Bind those parameters if $data is an array that is
if (is_array($data)) {
foreach ($data as $key => $value) {
$query->bindParam(':' . $key, $value[0]);
// Unset variables to be safe
unset($key);
unset($value);
}
}
// Execute the prepared statements with parameters bound
$query->execute();
// Return the output
return $query->fetch(PDO::FETCH_BOTH);
}
// Get the ID of the last inserted item
public function lastInsertID($name = null)
{
return $this->sql->lastInsertID($name);
}
}