Merge pull request #11 from esmaeelghasemi/feature_manager_and_facade

Feature manager and facade

Author: hasanparasteh

example/db_config.php

@@ -0,0 +1,38 @@
+<?php
+
+use Dotenv\Dotenv;
+use React\EventLoop\Loop;
+use Saraf\QB\QueryBuilder\Core\DBFactory;
+use Saraf\QB\QueryBuilder\Facades\Database;
+
+$loop = Loop::get();
+
+// Environments
+$env = Dotenv::createImmutable(__DIR__ . "/../");
+$env->load();
+
+// Env Loader
+$DB_NAME = $_ENV['DB_NAME'];
+$DB_USER = $_ENV['DB_USER'];
+$DB_PASS = $_ENV['DB_PASS'];
+$DB_HOST = $_ENV['DB_HOST'];
+$DB_PORT_READ = $_ENV['DB_PORT_READ'];
+$DB_PORT_WRITE = $_ENV['DB_PORT_WRITE'];
+
+
+
+Database::initConnection(
+    new DBFactory(
+        $loop,
+        $DB_HOST,
+        $DB_NAME,
+        $DB_USER,
+        $DB_PASS,
+        $DB_PORT_WRITE,
+        $DB_PORT_READ,
+        5,
+        5,
+        2,
+        2
+    )
+);

src/QueryBuilder/Abstracts/Facade.php

@@ -0,0 +1,18 @@
+<?php
+
+namespace Saraf\QB\QueryBuilder\Abstracts;
+
+abstract class Facade
+{
+    protected static function getFacadeAccessor()
+    {
+        throw new \RuntimeException("Facade access not implemented");
+    }
+
+    public static function __callStatic(string $name, array $arguments)
+    {
+        $accessor = static::getFacadeAccessor();
+
+        return $accessor->$name(...$arguments);
+    }
+}

src/QueryBuilder/Facades/Database.php

@@ -0,0 +1,20 @@
+<?php
+
+namespace Saraf\QB\QueryBuilder\Facades;
+
+use Saraf\QB\QueryBuilder\Abstracts\Facade;
+use Saraf\QB\QueryBuilder\Core\DBFactory;
+use Saraf\QB\QueryBuilder\QueryBuilder;
+use Saraf\QB\QueryBuilder\QueryBuilderManager;
+
+/**
+ * @method static void initConnection(DBFactory $DBFactory)
+ * @method static QueryBuilder query()
+ */
+class Database extends Facade
+{
+    protected static function getFacadeAccessor(): QueryBuilderManager
+    {
+        return QueryBuilderManager::instance();
+    }
+}

src/QueryBuilder/QueryBuilderManager.php

@@ -0,0 +1,42 @@
+<?php
+
+namespace Saraf\QB\QueryBuilder;
+
+use Saraf\QB\QueryBuilder\Core\DBFactory;
+use Saraf\QB\QueryBuilder\Exceptions\DBFactoryException;
+
+class QueryBuilderManager
+{
+    private static ?self $instance = null;
+    private DBFactory $connection;
+
+    private function __construct()
+    {
+    }
+
+    public static function instance(): QueryBuilderManager
+    {
+        if (is_null(self::$instance)) {
+
+            self::$instance = new self();
+        }
+
+        return self::$instance;
+    }
+
+    public function initConnection(
+        DBFactory $DBFactory,
+    ): void
+    {
+        $this->connection = $DBFactory;
+    }
+
+
+    /**
+     * @throws DBFactoryException
+     */
+    public function query(): QueryBuilder
+    {
+        return $this->connection->getQueryBuilder();
+    }
+}