init

2022-09-30 20:02:02 +01:00
commit 66dafc36c3
2561 changed files with 454489 additions and 0 deletions
--- a/user/plugins/feed/feed.php
+++ b/user/plugins/feed/feed.php
@@ -0,0 +1,162 @@
+<?php
+namespace Grav\Plugin;
+
+use Composer\Autoload\ClassLoader;
+use Grav\Common\Data;
+use Grav\Common\Page\Collection;
+use Grav\Common\Page\Interfaces\PageInterface;
+use Grav\Common\Plugin;
+use Grav\Common\Uri;
+use RocketTheme\Toolbox\Event\Event;
+
+class FeedPlugin extends Plugin
+{
+    /**
+     * @var bool
+     */
+    protected $active = false;
+
+    /**
+     * @var string
+     */
+    protected $type;
+
+    /**
+     * @var array
+     */
+    protected $feed_config;
+
+    /**
+     * @var array
+     */
+    protected $valid_types = array('rss','atom');
+
+    /**
+     * @return array
+     */
+    public static function getSubscribedEvents()
+    {
+        return [
+            'onPluginsInitialized' => [
+                ['autoload', 100000],
+                ['onPluginsInitialized', 0],
+            ],
+            'onBlueprintCreated' => ['onBlueprintCreated', 0]
+        ];
+    }
+
+    /**
+     * [onPluginsInitialized:100000] Composer autoload.
+     *
+     * @return ClassLoader
+     */
+    public function autoload()
+    {
+        return require __DIR__ . '/vendor/autoload.php';
+    }
+
+    /**
+     * Activate feed plugin only if feed was requested for the current page.
+     *
+     * Also disables debugger.
+     */
+    public function onPluginsInitialized()
+    {
+        if ($this->isAdmin()) {
+            return;
+        }
+
+        $this->feed_config = (array) $this->config->get('plugins.feed');
+
+        if ($this->feed_config['enable_json_feed']) {
+            $this->valid_types[] = 'json';
+        }
+
+        /** @var Uri $uri */
+        $uri = $this->grav['uri'];
+        $this->type = $uri->extension();
+
+        if ($this->type && in_array($this->type, $this->valid_types)) {
+
+            $this->enable([
+                'onPageInitialized' => ['onPageInitialized', 0],
+                'onTwigTemplatePaths' => ['onTwigTemplatePaths', 0],
+            ]);
+        }
+    }
+
+    /**
+     * Initialize feed configuration.
+     */
+    public function onPageInitialized()
+    {
+        $page = $this->grav['page'];
+
+        // Overwrite regular content with feed config, so you can influence the collection processing with feed config
+        if (property_exists($page->header(), 'content')) {
+            if (isset($page->header()->feed)) {
+                $this->feed_config = array_merge($this->feed_config, $page->header()->feed);
+            }
+
+            $page->header()->content = array_merge($page->header()->content, $this->feed_config);
+
+            $this->grav['twig']->template = 'feed.' . $this->type . '.twig';
+
+            $this->enable([
+                'onCollectionProcessed' => ['onCollectionProcessed', 0],
+            ]);
+        }
+
+    }
+
+    /**
+     * Feed consists of all sub-pages.
+     *
+     * @param Event $event
+     */
+    public function onCollectionProcessed(Event $event)
+    {
+        /** @var Collection $collection */
+        $collection = $event['collection']->nonModular();
+
+        foreach ($collection as $slug => $page) {
+            $header = $page->header();
+            if (isset($header->feed) && !empty($header->feed['skip'])) {
+                $collection->remove($page);
+            }
+        }
+    }
+
+    /**
+     * Add current directory to twig lookup paths.
+     */
+    public function onTwigTemplatePaths()
+    {
+        $this->grav['twig']->twig_paths[] = __DIR__ . '/templates';
+    }
+
+
+    /**
+     * Extend page blueprints with feed configuration options.
+     *
+     * @param Event $event
+     */
+    public function onBlueprintCreated(Event $event)
+    {
+        static $inEvent = false;
+
+        /** @var Data\Blueprint $blueprint */
+        $blueprint = $event['blueprint'];
+        $form = $blueprint->form();
+
+        $blog_tab_exists = isset($form['fields']['tabs']['fields']['blog']);
+
+        if (!$inEvent && $blog_tab_exists) {
+            $inEvent = true;
+            $blueprints = new Data\Blueprints(__DIR__ . '/blueprints/');
+            $extends = $blueprints->get('feed');
+            $blueprint->extend($extends, true);
+            $inEvent = false;
+        }
+    }
+}