Move old versions code to own class

[MAILPOET-1316]

assets/js/src/notice-php-warning.jsx

@@ -0,0 +1,15 @@
+import jQuery from 'jquery';
+
+jQuery(($) => {
+  $(document).on('click', '.notice-php-warning .notice-dismiss', function xyz() {
+    const type = $(this).closest('.notice-php-warning').data('notice');
+    $.ajax(window.ajaxurl,
+      {
+        type: 'POST',
+        data: {
+          action: 'dismissed_notice_handler',
+          type,
+        },
+      });
+  });
+});

lib/Config/Initializer.php

@@ -138,6 +138,8 @@ class Initializer {
 
       $this->setupPages();
 
+      $this->setupPHPVersionWarnings();
+
       do_action('mailpoet_initialized', MAILPOET_VERSION);
     } catch(\Exception $e) {
       return $this->handleFailedInitialization($e);
@@ -270,6 +272,12 @@ class Initializer {
     $exporters->init();
   }
 
+  function setupPHPVersionWarnings() {
+    $php_version_warnings = new PHPVersionWarnings();
+    $warnings = $php_version_warnings->init(phpversion(), Menu::isOnMailPoetAdminPage());
+    if(is_string($warnings)) echo $warnings;
+  }
+
   function handleFailedInitialization($exception) {
     // check if we are able to add pages at this point
     if(function_exists('wp_get_current_user')) {

lib/Config/PHPVersionWarnings.php

@@ -0,0 +1,54 @@
+<?php
+
+namespace MailPoet\Config;
+
+use MailPoet\Util\Helpers;
+
+class PHPVersionWarnings {
+
+  function init($php_version, $is_enabled) {
+    add_action('wp_ajax_dismissed_notice_handler', array(
+      $this,
+      'ajaxDismissNoticeHandler'
+    ));
+    $error = null;
+    if (!$is_enabled) return $error;
+    if (is_null($error)) $error = $this->checkPHP53Version($php_version);
+    if (is_null($error)) $error = $this->checkPHP55Version($php_version);
+    return $error;
+  }
+
+  function checkPHP53Version($php_version) {
+    $error_string = null;
+    if(version_compare($php_version, '5.5', '<')) {
+      $error_string = 'Your website is running on PHP %s. MailPoet will require version 7 soon. Please consider upgrading your site\'s PHP version. [link]Your host can help you.[/link]';
+      $error_string = sprintf($error_string, $php_version);
+      $error = Helpers::replaceLinkTags(__($error_string, 'mailpoet'), 'https://beta.docs.mailpoet.com/article/251-upgrading-the-websites-php-version', array('target' => '_blank'));
+      return $this->displayWPNotice($error, false);
+    }
+  }
+
+  function checkPHP55Version($php_version) {
+    $error_string = null;
+    if(version_compare($php_version, '5.6', '<')) {
+      $error_string = 'Your website is running on PHP %s. MailPoet will require version 7 by the end of the year. Please consider upgrading your site\'s PHP version. [link]Your host can help you.[/link]';
+      $error_string = sprintf($error_string, $php_version);
+      $error = Helpers::replaceLinkTags(__($error_string, 'mailpoet'), 'https://beta.docs.mailpoet.com/article/251-upgrading-the-websites-php-version', array('target' => '_blank'));
+      return $this->displayWPNotice($error, true);
+    }
+  }
+
+  private function displayWPNotice($message, $dismisable = false) {
+    $class = 'notice notice-error notice-php-warning mailpoet_notice_server';
+    if($dismisable) $class .= ' is-dismissible';
+
+    if(!get_option('dismissed-php-version-outdated-notice', false)) {
+      return sprintf('<div class="%1$s" data-notice="php-version-outdated"><p>%2$s</p></div>', $class, $message);
+    }
+  }
+
+  function ajaxDismissNoticeHandler() {
+    update_option('dismissed-php-version-outdated-notice', true);
+  }
+
+}

lib/Config/RequirementsChecker.php

@@ -13,7 +13,6 @@ class RequirementsChecker {
   const TEST_XML_EXTENSION = 'XmlExtension';
   const TEST_ZIP_EXTENSION = 'ZipExtension';
   const TEST_VENDOR_SOURCE = 'VendorSource';
-  const TEST_PHP_VERSION = 'PHPVersion';
   const TWIG_SUPPORTED_VERSIONS = '1.26.0-1.34.4';
 
   public $display_error_notice;
@@ -50,8 +49,7 @@ class RequirementsChecker {
       self::TEST_MBSTRING_EXTENSION,
       self::TEST_XML_EXTENSION,
       self::TEST_ZIP_EXTENSION,
-      self::TEST_VENDOR_SOURCE,
+      self::TEST_VENDOR_SOURCE
-      self::TEST_PHP_VERSION,
     );
     $results = array();
     foreach($available_tests as $test) {
@@ -122,23 +120,6 @@ class RequirementsChecker {
     return $this->processError($error);
   }
 
-  function checkPHPVersion() {
-    $php_version = phpversion();
-    $error_string = null;
-    if(version_compare($php_version, '5.5', '<')) {
-      $error_string = 'Your website is running on PHP %s. MailPoet will require version 7 soon. Please consider upgrading your site\'s PHP version. [link]Your host can help you.[/link]';
-    }
-    if(!is_null($error_string) && Menu::isOnMailPoetAdminPage()) {
-      $error_string = sprintf($error_string, $php_version);
-      $error = Helpers::replaceLinkTags(
-        __($error_string, 'mailpoet'),
-        'https://beta.docs.mailpoet.com/article/251-upgrading-the-websites-php-version',
-        array('target' => '_blank')
-      );
-      $this->processError($error);
-    }
-  }
-
   function checkVendorSource() {
     foreach($this->vendor_classes as $dependency) {
       $dependency_path = $this->getDependencyPath($dependency);

tests/unit/Config/PHPVersionWarningsTest.php

@@ -0,0 +1,54 @@
+<?php
+
+namespace MailPoet\Config;
+
+class PHPVersionWarningsTest extends \MailPoetTest {
+
+  /** @var PHPVersionWarnings */
+  private $phpVersionWarning;
+
+  function _before() {
+    $this->phpVersionWarning = new PHPVersionWarnings();
+    update_option('dismissed-php-version-outdated-notice', false);
+  }
+
+  function _after() {
+    update_option('dismissed-php-version-outdated-notice', false);
+  }
+
+  function testItPrintsWarningFor53() {
+    $warning = $this->phpVersionWarning->init('5.3.2', true);
+    expect($warning)->contains('Your website is running on PHP 5.3.2');
+    expect($warning)->notContains('is-dismissible');
+  }
+
+  function testItPrintsWarningFor54() {
+    $warning = $this->phpVersionWarning->init('5.4.1', true);
+    expect($warning)->contains('Your website is running on PHP 5.4.1');
+    expect($warning)->notContains('is-dismissible');
+  }
+
+  function testItPrintsWarningFor55() {
+    $warning = $this->phpVersionWarning->init('5.5.3', true);
+    expect($warning)->contains('Your website is running on PHP 5.5.3');
+    expect($warning)->contains('is-dismissible');
+  }
+
+  function testItPrintsNoWarningFor56() {
+    $warning = $this->phpVersionWarning->init('5.6.3', true);
+    expect($warning)->null();
+  }
+
+  function testItPrintsNoWarningWhenDisabled() {
+    $warning = $this->phpVersionWarning->init('5.3.2', false);
+    expect($warning)->null();
+  }
+
+  function testItPrintsNoWarningWhenDismised() {
+    $this->phpVersionWarning->init('5.3.2', true);
+    do_action('wp_ajax_dismissed_notice_handler');
+    $warning = $this->phpVersionWarning->init('5.3.2', true);
+    expect($warning)->null();
+  }
+
+}

webpack.config.js

@@ -195,6 +195,7 @@ var adminConfig = {
       'analytics_event',
       'help-tooltip.jsx',
       'help-tooltip',
+      'notice-php-warning.jsx',
     ],
     admin_vendor: [
       'react',