Filter non compatible plugins

app/Console/PluginUpgradeCommand.php

@@ -3,6 +3,7 @@
 namespace Kanboard\Console;
 
 use Kanboard\Core\Plugin\Base as BasePlugin;
+use Kanboard\Core\Plugin\Directory;
 use Kanboard\Core\Plugin\Installer;
 use Symfony\Component\Console\Input\InputInterface;
 use Symfony\Component\Console\Output\OutputInterface;
@@ -24,7 +25,7 @@ class PluginUpgradeCommand extends BaseCommand
         }
 
         $installer = new Installer($this->container);
-        $availablePlugins = $this->httpClient->getJson(PLUGIN_API_URL);
+        $availablePlugins = Directory::getInstance($this->container)->getAvailablePlugins();
 
         foreach ($this->pluginLoader->getPlugins() as $installedPlugin) {
             $pluginDetails = $this->getPluginDetails($availablePlugins, $installedPlugin);

app/Controller/PluginController.php

@@ -2,6 +2,7 @@
 
 namespace Kanboard\Controller;
 
+use Kanboard\Core\Plugin\Directory;
 use Kanboard\Core\Plugin\Installer;
 use Kanboard\Core\Plugin\PluginInstallerException;
 
@@ -40,7 +41,7 @@ class PluginController extends BaseController
 
         $this->response->html($this->helper->layout->plugin('plugin/directory', array(
             'installed_plugins' => $installedPlugins,
-            'available_plugins' => $this->httpClient->getJson(PLUGIN_API_URL),
+            'available_plugins' => Directory::getInstance($this->container)->getAvailablePlugins(),
             'title' => t('Plugin Directory'),
             'is_configured' => Installer::isConfigured(),
         )));

app/Core/Plugin/Directory.php

@@ -0,0 +1,56 @@
+<?php
+
+namespace Kanboard\Core\Plugin;
+
+use Kanboard\Core\Base as BaseCore;
+
+/**
+ * Class Directory
+ *
+ * @package Kanboard\Core\Plugin
+ * @author  Frederic Guillot
+ */
+class Directory extends BaseCore
+{
+    /**
+     * Get all plugins available
+     *
+     * @access public
+     * @param  string $url
+     * @return array
+     */
+    public function getAvailablePlugins($url = PLUGIN_API_URL)
+    {
+        $plugins = $this->httpClient->getJson($url);
+        $plugins = array_filter($plugins, array($this, 'isCompatible'));
+        $plugins = array_filter($plugins, array($this, 'isInstallable'));
+        return $plugins;
+    }
+
+    /**
+     * Filter plugins
+     *
+     * @param array  $plugin
+     * @param string $appVersion
+     * @return bool
+     */
+    public function isCompatible(array $plugin, $appVersion = APP_VERSION)
+    {
+        if (strpos($appVersion, 'master') !== false) {
+            return true;
+        }
+
+        return $plugin['compatible_version'] === $appVersion;
+    }
+
+    /**
+     * Filter plugins
+     *
+     * @param array  $plugin
+     * @return bool
+     */
+    public function isInstallable(array $plugin)
+    {
+        return $plugin['remote_install'];
+    }
+}