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wp-content/plugins/brizy/admin/migrations/abstract-storage.php

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+<?php
+
+abstract class Brizy_Admin_Migrations_AbstractStorage {
+
+	const KEY = 'brizy-migrations';
+
+	/**
+	 * @var Brizy_Admin_Migrations_MigrationInterface[]
+	 */
+	protected $data;
+
+	/**
+	 * Brizy_Admin_Migations_AbstractStorage constructor.
+	 */
+	public function __construct() {
+		$this->data = array();
+		$this->loadData();
+	}
+
+	/**
+	 * Save run migrations
+	 *
+	 * @return mixed
+	 */
+	abstract protected function storeData();
+
+	/**
+	 * @return mixed
+	 */
+	abstract protected function loadData();
+
+	/**
+	 * @return $this
+	 */
+	public function save() {
+		$this->storeData();
+
+		return $this;
+	}
+
+	/**
+	 * @param Brizy_Admin_Migrations_MigrationInterface $migration
+	 *
+	 * @return $this
+	 */
+	public function addMigration( Brizy_Admin_Migrations_MigrationInterface $migration ) {
+
+		if ( ! $this->hasMigration( $migration ) ) {
+			$this->data[] = $migration;
+		}
+
+		return $this;
+	}
+
+	/**
+	 * @@return Brizy_Admin_Migrations_MigrationInterface[]
+	 */
+	public function getMigrations() {
+		return $this->data;
+	}
+
+	/**
+	 * @param Brizy_Admin_Migrations_MigrationInterface $amigratoin
+	 *
+	 * @return bool
+	 */
+	public function hasMigration( Brizy_Admin_Migrations_MigrationInterface $amigratoin ) {
+		$aMigrationClass = get_class( $amigratoin );
+		foreach ( $this->data as $migration ) {
+			if ( get_class( $migration ) == $aMigrationClass ) {
+				return true;
+			}
+		}
+
+		return false;
+	}
+
+	/**
+	 * @return Brizy_Admin_Migrations_MigrationInterface|mixed
+	 */
+	public function latestMigration() {
+		return end( $this->data );
+	}
+}