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msd2/tracking/piwik/plugins/Marketplace/UpdateCommunication.php

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+<?php
+/**
+ * Piwik - free/libre analytics platform
+ *
+ * @link http://piwik.org
+ * @license http://www.gnu.org/licenses/gpl-3.0.html GPL v3 or later
+ *
+ */
+namespace Piwik\Plugins\Marketplace;
+
+use Piwik\Config;
+use Piwik\Container\StaticContainer;
+use Piwik\Mail;
+use Piwik\Option;
+use Piwik\Piwik;
+use Piwik\Plugins\CoreUpdater\SystemSettings;
+use Piwik\Plugins\UsersManager\API as UsersManagerApi;
+use Piwik\SettingsPiwik;
+use Piwik\View;
+
+/**
+ * Class to check and notify users via email if there are plugin updates available.
+ */
+class UpdateCommunication
+{
+    /**
+     * @var SystemSettings
+     */
+    private $updaterSettings;
+
+    public function __construct(SystemSettings $settings)
+    {
+        $this->updaterSettings = $settings;
+    }
+
+    /**
+     * Checks whether plugin update notification is enabled or not. If the marketplace is disabled or if update
+     * communication is disabled in general, it will return false as well.
+     *
+     * @return bool
+     */
+    public function isEnabled()
+    {
+        if (!self::canBeEnabled()) {
+            return false;
+        }
+
+        return $this->updaterSettings->sendPluginUpdateEmail->getValue();
+    }
+
+    /**
+     * Checks whether a plugin update notification can be enabled or not. It cannot be enabled if for instance the
+     * Marketplace is disabled or if update notifications are disabled in general.
+     *
+     * @return bool
+     */
+    public static function canBeEnabled()
+    {
+        $isEnabled = (bool) Config::getInstance()->General['enable_update_communication'];
+        if($isEnabled === true && Marketplace::isMarketplaceEnabled() === true && SettingsPiwik::isInternetEnabled() === true){
+            return true;
+        }
+        
+        return false;
+    }
+
+    /**
+     * Sends an email to all super users if there is an update available for any plugins from the Marketplace.
+     * For each update we send an email only once.
+     *
+     * @return bool
+     */
+    public function sendNotificationIfUpdatesAvailable()
+    {
+        $pluginsHavingUpdate = $this->getPluginsHavingUpdate();
+
+        if (empty($pluginsHavingUpdate)) {
+            return;
+        }
+
+        $pluginsToBeNotified = array();
+
+        foreach ($pluginsHavingUpdate as $plugin) {
+            if ($this->hasNotificationAlreadyReceived($plugin)) {
+                continue;
+            }
+
+            $this->setHasLatestUpdateNotificationReceived($plugin);
+
+            $pluginsToBeNotified[] = $plugin;
+        }
+
+        if (!empty($pluginsToBeNotified)) {
+            $this->sendNotifications($pluginsToBeNotified);
+        }
+    }
+
+    protected function sendNotifications($pluginsToBeNotified)
+    {
+        $hasThemeUpdate  = false;
+        $hasPluginUpdate = false;
+
+        foreach ($pluginsToBeNotified as $plugin) {
+            $hasThemeUpdate  = $hasThemeUpdate || $plugin['isTheme'];
+            $hasPluginUpdate = $hasPluginUpdate || !$plugin['isTheme'];
+        }
+
+        $subject = Piwik::translate('CoreUpdater_NotificationSubjectAvailablePluginUpdate');
+        $message = $this->buildNotificationMessage($pluginsToBeNotified, $hasThemeUpdate, $hasPluginUpdate);
+
+        $this->sendEmailNotification($subject, $message);
+    }
+
+    /**
+     * Send an email notification to all super users.
+     *
+     * @param $subject
+     * @param $message
+     */
+    protected function sendEmailNotification($subject, $message)
+    {
+        $superUsers = UsersManagerApi::getInstance()->getUsersHavingSuperUserAccess();
+
+        foreach ($superUsers as $superUser) {
+            $mail = new Mail();
+            $mail->setDefaultFromPiwik();
+            $mail->addTo($superUser['email']);
+            $mail->setSubject($subject);
+            $mail->setWrappedHtmlBody($message);
+            $mail->send();
+        }
+    }
+
+    protected function setHasLatestUpdateNotificationReceived($plugin)
+    {
+        $latestVersion = $this->getLatestVersion($plugin);
+
+        Option::set($this->getNotificationSentOptionName($plugin), $latestVersion);
+    }
+
+    protected function getLatestVersionSent($plugin)
+    {
+        return Option::get($this->getNotificationSentOptionName($plugin));
+    }
+
+    protected function getLatestVersion($plugin)
+    {
+        return $plugin['latestVersion'];
+    }
+
+    protected function hasNotificationAlreadyReceived($plugin)
+    {
+        $latestVersion   = $this->getLatestVersion($plugin);
+        $lastVersionSent = $this->getLatestVersionSent($plugin);
+
+        if (!empty($lastVersionSent)
+            && ($latestVersion == $lastVersionSent
+                || version_compare($latestVersion, $lastVersionSent) == -1)) {
+            return true;
+        }
+
+        return false;
+    }
+
+    protected function getNotificationSentOptionName($plugin)
+    {
+        return 'last_update_communication_sent_plugin_' . $plugin['name'];
+    }
+
+    protected function getPluginsHavingUpdate()
+    {
+        $marketplace         = StaticContainer::get('Piwik\Plugins\Marketplace\Plugins');
+        $pluginsHavingUpdate = $marketplace->getPluginsHavingUpdate();
+
+        return $pluginsHavingUpdate;
+    }
+
+    protected function buildNotificationMessage($pluginsToBeNotified, $hasThemeUpdate, $hasPluginUpdate)
+    {
+        $view = new View('@Marketplace/_updateCommunicationEmail.twig');
+        $view->pluginsToBeNotified = $pluginsToBeNotified;
+        $view->host = SettingsPiwik::getPiwikUrl();
+        $view->hasThemeUpdate = $hasThemeUpdate;
+        $view->hasPluginUpdate = $hasPluginUpdate;
+        return $view;
+    }
+}