Little refactoring to reduce logic on index.php.

Moved RssExpander as a core logic system to lib/Bridge.php

Signed-off-by: teromene <teromene@teromene.fr>

lib/Bridge.php

@@ -293,6 +293,72 @@ class Bridge{
 
 		return $listBridge;
 	}
+	static function isWhitelisted( $whitelist, $name ) {
+	if(in_array("$name", $whitelist) or in_array("$name.php", $whitelist))
+		return TRUE;
+	else
+		return FALSE;
+	}
 
 }
 
+abstract class RssExpander extends HttpCachingBridgeAbstract{
+
+    public $name;
+    public $uri;
+    public $description;
+
+    public function collectExpandableDatas(array $param, $name){
+        if (empty($name)) {
+            $this->returnError('There is no $param[\'url\'] for this RSS expander', 404);
+        }
+//       $this->message("Loading from ".$param['url']);
+        // Notice WE DO NOT use cache here on purpose : we want a fresh view of the RSS stream each time
+        $rssContent = simplexml_load_file($name) or $this->returnError('Could not request '.$name, 404);
+//        $this->message("loaded RSS from ".$param['url']);
+        // TODO insert RSS format detection
+        // we suppose for now, we have some RSS 2.0
+        $this->collect_RSS_2_0_data($rssContent);
+    }
+
+    protected function collect_RSS_2_0_data($rssContent) {
+        $rssContent = $rssContent->channel[0];
+//        $this->message("RSS content is ===========\n".var_export($rssContent, true)."===========");
+        $this->load_RSS_2_0_feed_data($rssContent);
+        foreach($rssContent->item as $item) {
+//            $this->message("parsing item ".var_export($item, true));
+            $this->items[] = $this->parseRSSItem($item);
+        }
+    }
+
+    protected function RSS_2_0_time_to_timestamp($item)  {
+        return DateTime::createFromFormat('D, d M Y H:i:s e', $item->pubDate)->getTimestamp();
+    }
+
+    // TODO set title, link, description, language, and so on
+    protected function load_RSS_2_0_feed_data($rssContent) {
+        $this->name = trim($rssContent->title);
+        $this->uri = trim($rssContent->link);
+        $this->description = trim($rssContent->description);
+    }
+
+    /**
+     * Method should return, from a source RSS item given by lastRSS, one of our Items objects
+     * @param $item the input rss item
+     * @return a RSS-Bridge Item, with (hopefully) the whole content)
+     */
+    abstract protected function parseRSSItem($item);
+
+
+    public function getName(){
+        return $this->name;
+    }
+
+    public function getURI(){
+        return $this->uri;
+    }
+
+    public function getDescription() {
+        return $this->description;
+    }
+}

lib/HTMLUtils.php

@@ -0,0 +1,119 @@
+<?php
+class HTMLUtils {
+
+	public static function getHelperButtonFormat($value, $name){
+		return '<button type="submit" name="format" value="' . $value . '">' . $name . '</button>';
+	}
+
+	public static function getHelperButtonsFormat($formats){
+		$buttons = '';
+			foreach( $formats as $name => $infos )
+			{
+				if ( isset($infos['name']) )
+				{
+					$buttons .= HTMLUtils::getHelperButtonFormat($name, $infos['name']) . PHP_EOL;
+				}
+			}
+		return $buttons;
+	}
+
+	public static function displayBridgeCard($bridgeName, $formats, $isActive = true)
+	{
+
+
+		$bridgeElement = Bridge::create($bridgeName);
+		if($bridgeElement == false) {
+			return "";
+		}
+		$bridgeElement->loadMetadatas();
+
+		$name = '<a href="'.$bridgeElement->uri.'">'.$bridgeElement->name.'</a>';
+		$description = $bridgeElement->description;
+
+		$card = <<<CARD
+		<section id="bridge-{$bridgeName}" data-ref="{$bridgeName}">
+			<h2>{$name}</h2>
+			<p class="description">
+				{$description}
+			</p>
+CARD;
+
+		// If we don't have any parameter for the bridge, we print a generic form to load it.
+		if(count($bridgeElement->parameters) == 0) {
+
+			$card .= '<form method="POST" action="?">
+					<input type="hidden" name="action" value="display" />
+					<input type="hidden" name="bridge" value="' . $bridgeName . '" />' . PHP_EOL;
+
+			if ($isActive)
+			{
+				$card .= HTMLUtils::getHelperButtonsFormat($formats);
+			}
+			else
+			{
+				$card .= '<span style="font-weight: bold;">Inactive</span>';
+			}
+			$card .= '</form>' . PHP_EOL;
+
+		}
+
+		foreach($bridgeElement->parameters as $parameterName => $parameter)
+		{
+			$card .= '<ol class="list-use">' . PHP_EOL;
+			if(!is_numeric($parameterName)) {
+				$card .= '<h5>'.$parameterName.'</h5>' . PHP_EOL;
+			}
+			$card .= '<form method="POST" action="?">
+						<input type="hidden" name="action" value="display" />
+						<input type="hidden" name="bridge" value="' . $bridgeName . '" />' . PHP_EOL;
+
+			$parameter = json_decode($parameter, true);
+
+			foreach($parameter as $inputEntry) {
+
+				if(!isset($inputEntry['exampleValue'])) $inputEntry['exampleValue'] = "";
+
+				$idArg = 'arg-' . $bridgeName . '-' . $parameterName . '-' . $inputEntry['identifier'];
+
+				$card .= '<label for="' .$idArg. '">' .$inputEntry['name']. ' : </label>' . PHP_EOL;
+
+				if(!isset($inputEntry['type']) || $inputEntry['type'] == 'text') {
+					$card .= '<input id="' . $idArg . '" type="text" value="" placeholder="' . $inputEntry['exampleValue'] . '" name="' . $inputEntry['identifier'] . '" /><br />' . PHP_EOL;
+				} else if($inputEntry['type'] == 'number') {
+					$card .= '<input id="' . $idArg . '" type="number" value="" placeholder="' . $inputEntry['exampleValue'] . '" name="' . $inputEntry['identifier'] . '" /><br />' . PHP_EOL;
+				} else if($inputEntry['type'] == 'list') {
+					$card .= '<select id="' . $idArg . '" name="' . $inputEntry['name'] . '" >';
+					foreach($inputEntry['values'] as $listValues) {
+
+						$card .= "<option value='" . $listValues['value'] . "'>" . $listValues['name'] . "</option>";
+
+					}
+					$card .= '</select><br >';
+				} else if($inputEntry['type'] == 'checkbox') {
+
+					$card .= '<input id="' . $idArg . '" type="checkbox" name="' . $inputEntry['identifier'] . '" /><br />' . PHP_EOL;
+
+				}
+
+			}
+			if ($isActive)
+			{
+				$card .= HTMLUtils::getHelperButtonsFormat($formats);
+			}
+			else
+			{
+				$card .= '<span style="font-weight: bold;">Inactive</span>';
+			}
+			$card .= '</form>' . PHP_EOL;
+
+		}
+
+		$card .= '<span class="maintainer">'.$bridgeElement->maintainer.'</span>';
+		$card .= '</section>';
+
+		return $card;
+	}
+
+
+}
+?>

lib/RssBridge.php

@@ -12,6 +12,7 @@ require __DIR__ . '/Item.php';
 require __DIR__ . '/Format.php';
 require __DIR__ . '/Bridge.php';
 require __DIR__ . '/Cache.php';
+require __DIR__ . '/HTMLUtils.php';
 
 $vendorLibSimpleHtmlDom = __DIR__ . PATH_VENDOR . '/simplehtmldom/simple_html_dom.php';
 if( !file_exists($vendorLibSimpleHtmlDom) ){