static generator

[mdref/mdref] / mdref / Action.php

diff --git a/mdref/Action.php b/mdref/Action.php
index 462e35b56e0e4810cbee75aa1e6ddeb382abe990..3e318be34d4d45af301d5da2309fa35adcea7d90 100644 (file)
--- a/mdref/Action.php
+++ b/mdref/Action.php
@@ -5,52 +5,136 @@ namespace mdref;
 use http\Controller\Observer;
 
 /**
- * The sole action controller of mdref
+ * Request handler
  */
-class Action extends Observer
-{
-       private function serveReference(\http\Controller $ctl) {
-               $payload = $ctl->getPayload();
-               $finder = new Finder($this->baseUrl, REFS);
-               $path = $finder->find(new \http\Url($ctl->getRequest()->getRequestUrl()));
-               $payload->listing = new RefListing($path, 
-                               $finder->glob($path, "/[_a-zA-Z]*.md"));
-               $payload->title = $payload->listing->getSelf()->formatLink();
-               $payload->refs = $finder;
-               if ($path->isFile()) {
-                       $payload->html = new Markdown($path);
-                       $payload->sublisting = new RefListing($path, 
-                                       $finder->glob($path, "/[_a-z]*.md"));
-                       return true;
+class Action extends Observer {
+       /**
+        * Reference paths
+        * @var string
+        */
+       protected $refpath;
+       
+       /**
+        * The reference
+        * @var \mdref\Reference
+        */
+       private $reference;
+       
+       /**
+        * Initialize the reference
+        */
+       protected function init() {
+               $this->reference = new Reference(explode(PATH_SEPARATOR, $this->refpath));
+       }
+       
+       /**
+        * Create the view payload
+        * @param \http\Controller $ctl
+        * @return \stdClass
+        */
+       private function createPayload(\http\Controller $ctl) {
+               $pld = new \stdClass;
+               
+               try {
+                       $pld->quick = [$this->reference, "formatString"];
+                       $pld->file = [$this->reference, "formatFile"];
+                       
+                       $pld->ref = implode("/",  $this->baseUrl->params(
+                               $this->baseUrl->mod($ctl->getRequest()->getRequestUrl())));
+                       
+                       $pld->refs = $this->reference;
+                       $pld->baseUrl = $this->baseUrl;
+                       
+               } catch (\Exception $e) {
+                       $pld->exception = $e;
                }
+               
+               return $pld;
+       }
+       
+       /**
+        * Redirect to canononical url
+        * @param \http\Controller $ctl
+        * @param string $cnn
+        */
+       private function serveCanonical($ctl, $cnn) {
+               $ctl->detachAll(Observer\View::class);
+               $ctl->getResponse()->setHeader("Location", $this->baseUrl->mod($cnn));
+               $ctl->getResponse()->setResponseCode(301);
        }
        
-       private function serveInternal(\http\Controller $ctl) {
-               $payload = $ctl->getPayload();
-               $finder = new Finder($this->baseUrl, ROOT);
-               $url = new \http\Url($ctl->getRequest()->getRequestUrl());
-               $path = $finder->find($url, "");
-               if ($path->isFile("")) {
-                       $payload->html = $path->toHtml();
-               } else if (strcmp($url, $this->baseUrl)) {
-                       throw new \http\Controller\Exception(404, "Could not find '$path'");
+       /**
+        * Serve index.css
+        * @param \http\Controller $ctl
+        */
+       private function serveStylesheet($ctl) {
+               $ctl->detachAll(Observer\View::class);
+               $ctl->getResponse()->setHeader("Content-Type", "text/css");
+               $ctl->getResponse()->setBody(new \http\Message\Body(fopen(ROOT."/public/index.css", "r")));
+       }
+       
+       /**
+        * Serve index.js
+        * @param \http\Controller $ctl
+        */
+       private function serveJavascript($ctl) {
+               $ctl->detachAll(Observer\View::class);
+               $ctl->getResponse()->setHeader("Content-Type", "application/javascript");
+               $ctl->getResponse()->setBody(new \http\Message\Body(fopen(ROOT."/public/index.js", "r")));
+       }
+       
+       /**
+        * Serve a preset
+        * @param \http\Controller $ctl
+        * @param \stdClass $pld
+        * @throws \http\Controller\Exception
+        */
+       private function servePreset($ctl, $pld) {
+               switch ($pld->ref) {
+               case "AUTHORS":
+               case "LICENSE":
+               case "VERSION":
+                       $pld->text = file_get_contents(ROOT."/$pld->ref");
+                       break;
+               case "index.css":
+                       $this->serveStylesheet($ctl);
+                       break;
+               case "index.js":
+                       $this->serveJavascript($ctl);
+                       break;
+               default:
+                       throw new \http\Controller\Exception(404, "$pld->ref not found");
                }
        }
-
+       
        /**
-        * Implements \SplObserver
-        * @param \SplSubject $ctl
+        * Implements Observer
+        * @param \SplSubject $ctl \http\Controller
         */
-       function update(\SplSubject $ctl) {
-               /* @var \http\Controller $ctl */
-               try {
-                       $ctl->getPayload()->baseUrl = $this->baseUrl;
-
-                       if (!$this->serveReference($ctl)) {
-                               $this->serveInternal($ctl);
+       public function update(\SplSubject $ctl) {
+               /* @var http\Controller $ctl */
+               $pld = $this->createPayload($ctl);
+               $ctl[Observer\View::class] = function() use($pld) {
+                       return $pld;
+               };
+               
+               if (!isset($pld->ref) || !strlen($pld->ref)) {
+                       /* front page */
+                       return;
+               }
+               
+               $cnn = null;
+               if (($repo = $this->reference->getRepoForEntry($pld->ref, $cnn))) {
+                       if (strlen($cnn)) {
+                               /* redirect */
+                               $this->serveCanonical($ctl, $cnn);
+                       } else {
+                               /* direct match */
+                               $pld->entry = $repo->getEntry($pld->ref);
                        }
-               } catch (\Exception $e) {
-                       $ctl->getPayload()->exception = $e;
+               } else {
+                       $this->servePreset($ctl, $pld);
                }
        }
-}
+
+}
\ No newline at end of file