Files
nexusphp/nexus/Database/NexusDB.php
2022-07-30 15:06:51 +08:00

434 lines
12 KiB
PHP

<?php
namespace Nexus\Database;
use Illuminate\Support\Facades\Schema;
use Illuminate\Database\Capsule\Manager as Capsule;
use Illuminate\Database\Query\Expression;
use Illuminate\Support\Facades\Cache;
use Illuminate\Support\Facades\DB;
use Illuminate\Support\Facades\Redis;
class NexusDB
{
private $driver;
private static $instance;
/**
* @var \Illuminate\Database\Connection
*/
private static $eloquentConnection;
private $isConnected = false;
private function __construct()
{
}
private function __clone()
{
}
const ELOQUENT_CONNECTION_NAME = 'mysql';
public function setDriver(DBInterface $driver)
{
$this->driver = $driver;
return $this;
}
public function getDriver()
{
return $this->driver;
}
public static function getInstance()
{
if (self::$instance) {
return self::$instance;
}
$instance = new self;
$driver = new DBMysqli();
$instance->setDriver($driver);
return self::$instance = $instance;
}
public function connect($host, $username, $password, $database, $port)
{
$result = $this->driver->connect($host, $username, $password, $database, $port);
if (!$result) {
throw new DatabaseException(sprintf('[%s]: %s', $this->errno(), $this->error()));
}
$this->isConnected = true;
return true;
}
public function autoConnect()
{
if ($this->isConnected()) {
return null;
}
$config = nexus_config('nexus.mysql');
return $this->connect($config['host'], $config['username'], $config['password'], $config['database'], $config['port']);
}
public function query(string $sql)
{
try {
$this->autoConnect();
return $this->driver->query($sql);
} catch (\Exception $e) {
do_log(sprintf("%s [%s] %s", $e->getMessage(), $sql, $e->getTraceAsString()));
throw new DatabaseException($e->getMessage(), $sql);
}
}
public function error()
{
return $this->driver->error();
}
public function errno()
{
return $this->driver->errno();
}
public function numRows($result)
{
return $this->driver->numRows($result);
}
public function select_db($database)
{
return $this->driver->selectDb($database);
}
public function fetchAssoc($result)
{
return $this->driver->fetchAssoc($result);
}
public function fetchRow($result)
{
return $this->driver->fetchRow($result);
}
public function fetchArray($result, $type = null)
{
return $this->driver->fetchArray($result, $type);
}
public function affectedRows()
{
return $this->driver->affectedRows();
}
public function escapeString(string $string)
{
$this->autoConnect();
return $this->driver->escapeString($string);
}
public function lastInsertId()
{
return $this->driver->lastInsertId();
}
public function freeResult($result)
{
return $this->driver->freeResult($result);
}
public function isConnected()
{
return $this->isConnected;
}
public static function insert($table, $data)
{
if (empty($table) || empty($data) || !is_array($data)) {
throw new DatabaseException("require table and data(array).");
}
if (!IN_NEXUS) {
return DB::table($table)->insertGetId($data);
}
$fields = array_map(function ($value) {return "`$value`";}, array_keys($data));
$values = array_map(function ($value) {return sqlesc($value);}, array_values($data));
$sql = sprintf("insert into `%s` (%s) values (%s)", $table, implode(', ', $fields), implode(', ', $values));
sql_query($sql);
return mysql_insert_id();
}
public static function update($table, $data, $whereStr)
{
if (!IN_NEXUS) {
return DB::table($table)->whereRaw($whereStr)->update($data);
}
$updateArr = [];
foreach ($data as $field => $value) {
$updateArr[] = "`$field` = " . sqlesc($value);
}
$sql = sprintf("update `%s` set %s where %s", $table, implode(', ', $updateArr), $whereStr);
sql_query($sql);
return mysql_affected_rows();
}
public static function delete($table, $whereStr, $limit = null)
{
if (!IN_NEXUS) {
$query = DB::table($table)->whereRaw($whereStr);
if ($limit !== null) {
$query->limit($limit);
}
return $query->delete();
}
$sql = "delete from $table where $whereStr";
if (!is_null($limit)) {
$sql .= " limit $limit";
}
sql_query($sql);
return mysql_affected_rows();
}
public static function getOne($table, $whereStr, $fields = '*')
{
if (!IN_NEXUS) {
$result = DB::table($table)->whereRaw($whereStr)->selectRaw($fields)->first();
return $result ? json_decode(json_encode($result), true) : null;
}
if ($fields != '*') {
if (is_array($fields)) {
$fields = implode(', ', $fields);
}
}
if (empty($fields)) {
do_log("args: " . json_encode(func_get_args()));
throw new DatabaseException("empty fields.");
}
$sql = "select $fields from $table where $whereStr limit 1";
$res = sql_query($sql);
return mysql_fetch_assoc($res);
}
public static function getAll($table, $whereStr, $fields = '*')
{
if (!IN_NEXUS) {
$result = DB::table($table)->whereRaw($whereStr)->selectRaw($fields)->get();
if ($result->isEmpty()) {
return [];
}
return json_decode(json_encode($result), true);
}
if ($fields != '*') {
if (is_array($fields)) {
$fields = implode(', ', $fields);
}
}
if (empty($fields)) {
do_log("args: " . json_encode(func_get_args()));
throw new DatabaseException("empty fields.");
}
$sql = "select $fields from $table where $whereStr";
return self::select($sql);
}
public static function select(string $sql)
{
if (!IN_NEXUS) {
$result = DB::select($sql);
return json_decode(json_encode($result), true);
}
$res = sql_query($sql);
$result = [];
while ($row = mysql_fetch_assoc($res)) {
$result[] = $row;
}
return $result;
}
public static function bootEloquent(array $config)
{
$capsule = new Capsule;
$connectionName = self::ELOQUENT_CONNECTION_NAME;
$capsule->addConnection($config, $connectionName);
$capsule->setAsGlobal();
$capsule->bootEloquent();
$connection = self::$eloquentConnection = $capsule->getConnection($connectionName);
$connection->enableQueryLog();
$connection->getDoctrineSchemaManager()->getDatabasePlatform()->registerDoctrineTypeMapping('enum', 'string');
}
private static function schema(): \Illuminate\Database\Schema\Builder
{
if (IN_NEXUS) {
return Capsule::schema(self::ELOQUENT_CONNECTION_NAME);
}
throw new \RuntimeException('can not call this when not in nexus.');
}
public static function hasTable($table): bool
{
if (IN_NEXUS) {
return self::schema()->hasTable($table);
}
return Schema::hasTable($table);
}
public static function hasColumn($table, $column): bool
{
if (IN_NEXUS) {
return self::schema()->hasColumn($table, $column);
}
return Schema::hasColumn($table, $column);
}
public static function table($table): \Illuminate\Database\Query\Builder
{
if (IN_NEXUS) {
return Capsule::table($table, null, self::ELOQUENT_CONNECTION_NAME);
}
return DB::table($table);
}
public static function raw($value): \Illuminate\Database\Query\Expression
{
if (IN_NEXUS) {
return new Expression($value);
}
return DB::raw($value);
}
public static function statement($value)
{
if (IN_NEXUS) {
return sql_query($value);
}
return DB::statement($value);
}
public static function transaction(\Closure $callback, $attempts = 1)
{
if (IN_NEXUS) {
return Capsule::connection(self::ELOQUENT_CONNECTION_NAME)->transaction($callback, $attempts);
}
return DB::transaction($callback, $attempts);
}
public static function remember($key, $ttl, \Closure $callback)
{
if (IN_NEXUS) {
global $Cache;
$result = $Cache->get_value($key);
if ($result === false) {
$result = $callback();
do_log("cache miss [$key]", 'debug');
$Cache->cache_value($key, $result, $ttl);
} else {
do_log("cache hit [$key]", 'debug');
}
return $result;
} else {
return Cache::remember($key, $ttl, $callback);
}
}
public static function cache_put($key, $value, $ttl = 3600)
{
if (IN_NEXUS) {
global $Cache;
return $Cache->cache_value($key, $value, $ttl);
} else {
return Cache::put($key, $value, $ttl);
}
}
public static function cache_get($key)
{
if (IN_NEXUS) {
global $Cache;
return $Cache->get_value($key);
} else {
return Cache::get($key);
}
}
public static function cache_del($key)
{
if (IN_NEXUS) {
global $Cache;
$Cache->delete_value($key, true);
} else {
Cache::forget($key);
$langList = get_langfolder_list();
foreach ($langList as $lf) {
Cache::forget($lf . '_' . $key);
}
}
}
public static function cache_del_by_pattern($pattern)
{
$redis = self::redis();
$it = NULL;
do {
// Scan for some keys
$arr_keys = $redis->scan($it, $pattern);
// Redis may return empty results, so protect against that
if ($arr_keys !== FALSE) {
foreach($arr_keys as $str_key) {
do_log("[SCAN_KEY] $str_key");
self::cache_del($str_key);
}
}
} while ($it > 0);
}
/**
* @return mixed|\Redis|null
*/
public static function redis()
{
if (IN_NEXUS) {
global $Cache;
return $Cache->getRedis();
} else {
return Redis::connection()->client();
}
}
public static function getMysqlColumnInfo($table, $column = null)
{
static $driver;
$config = nexus_config('nexus.mysql');
if (is_null($driver)) {
$driver = new DBMysqli();
$driver->connect($config['host'], $config['username'], $config['password'], 'information_schema', $config['port']);
}
$sql = sprintf(
"select * from COLUMNS where TABLE_SCHEMA = '%s' and TABLE_NAME = '%s'",
$config['database'], $table
);
if ($column !== null) {
$sql .= " and COLUMN_NAME = '$column'";
}
$res = $driver->query($sql);
if ($column !== null) {
return $driver->fetchAssoc($res);
}
$results = [];
while ($row = $driver->fetchAssoc($res)) {
$results[$row['COLUMN_NAME']] = $row;
}
return $results;
}
}