New project structure init

backend/app/plugins/wiaas/includes/class-wiaas-cli.php

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+<?php
+
+/**
+ *  Enables running wiaas with wp cli commands
+ */
+
+defined( 'ABSPATH' ) || exit;
+
+/**
+ * CLI class.
+ */
+class Wiaas_CLI {
+	/**
+	 * Load required files and hooks to make the CLI work.
+	 */
+	public function __construct() {
+		$this->includes();
+		$this->hooks();
+	}
+
+	/**
+	 * Load command files.
+	 */
+	private function includes() {
+		require_once dirname( __FILE__ ) . '/cli/class-wiaas-update-db-command.php';
+	}
+
+	/**
+	 * Sets up and hooks WP CLI to our CLI code.
+	 */
+	private function hooks() {
+		WP_CLI::add_hook( 'after_wp_load', 'Wiaas_CLI_Update_DB_Command::register_commands' );
+	}
+}
+
+new Wiaas_CLI();

backend/app/plugins/wiaas/includes/class-wiaas-db-update.php

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+<?php
+
+defined( 'ABSPATH' ) || exit;
+
+class Wiaas_DB_Update {
+
+	private static $db_updates = array(
+		'20180728222206' => 'wiaas_db_update_enable_product_by_user_role'
+	);
+
+	public static function get_pending_db_updates() {
+		$active_db_version = get_option( 'wiaas_db_version', '0' );
+		$pending_db_updates = array();
+		foreach (self::$db_updates as $version => $update_callback) {
+			if ($active_db_version < $version) {
+				$pending_db_updates[] = $update_callback;
+			}
+		}
+		return $pending_db_updates;
+	}
+
+	public static function execute_update($update_callback) {
+		call_user_func($update_callback);
+		$version = array_search($update_callback, self::$db_updates);
+		update_option('wiaas_db_version', $version);
+	}
+}

backend/app/plugins/wiaas/includes/cli/class-wiaas-update-db-command.php

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+<?php
+/**
+ * WC_CLI_Update_Command class file.
+ *
+ * @package Wiaas\CLI
+ */
+
+if ( ! defined( 'ABSPATH' ) ) {
+	exit;
+}
+
+/**
+ * Allows updates via CLI.
+ *
+ * @version 3.0.0
+ * @package WooCommerce
+ */
+class Wiaas_CLI_Update_DB_Command {
+
+	/**
+	 * Registers the setup command.
+	 */
+	public static function register_commands() {
+		WP_CLI::add_command( 'wiaas update-db', array( 'Wiaas_CLI_Update_DB_Command', 'update' ) );
+	}
+
+	/**
+	 * Runs all pending Wiaas db updates
+	 */
+	public static function update() {
+		global $wpdb;
+
+		$wpdb->hide_errors();
+
+		include_once WIAAS_DIR . '/includes/class-wiaas-db-update.php';
+		include_once WIAAS_DIR . '/includes/db-updates/wiaas-db-update-functions.php';
+
+		$pending_db_updates = Wiaas_DB_Update::get_pending_db_updates();
+
+		foreach ( $pending_db_updates as $update_callback ) {
+			/* translators: %s: DB update callback key */
+			WP_CLI::log( sprintf( __( 'Executing update: %s', 'wiaas' ), $update_callback ) );
+			Wiaas_DB_Update::execute_update($update_callback);
+		}
+		WP_CLI::success('DB update complete.');
+	}
+}

backend/app/plugins/wiaas/includes/db-updates/wiaas-db-update-functions.php

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+<?php
+
+/**
+ * Wiaas DB updates
+ *
+ * Functions for updating database to latest version
+ */
+
+
+/**
+ * Enable restricting visibility by user roles for products
+ */
+function wiaas_db_update_enable_product_by_user_role() {
+	update_option('wcj_product_by_user_role_enabled', 'yes');
+}

backend/app/plugins/wiaas/wiaas.php

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+<?php
+/**
+ * Plugin Name: Wiaas
+ * Plugin URI: http://saburly.com
+ * Description: Wiaas contains custom code for wiaas market place
+ * Version: 1.0.0
+ * Author: Saburly
+ * Author URI: http://saburly.com
+ * Text Domain: wiaas
+ */
+
+if ( !defined( 'ABSPATH' ) ) {
+	exit;
+}
+
+define( 'WIAAS_FILE', __FILE__ );
+define( 'WIAAS_DIR', untrailingslashit( plugin_dir_path( __FILE__ ) ) );
+
+
+# CLI
+if ( defined( 'WP_CLI' ) && WP_CLI ) {
+	include_once WIAAS_DIR . '/includes/class-wiaas-cli.php';
+}