Improved NewsParser api, now to use getPlatform()

Author: sprain

example/example.php

@@ -3,19 +3,19 @@
 require_once('../vendor/autoload.php');
 
 # 1. Initialize the parser
-$parser = new \Sprain\NewsParser\Parser\Parser();
+$parser = new \Sprain\NewsParser\NewsParser();
 
 # 2. Optional - set the cache folder
-$parser->getCache()->setCacheDir('./cache');
+$parser->setCacheDir('./cache');
 
 # 3. Define your platform. The key is country - platform name
-$parser->setPlatform('ch-nzz');
+$nzz = $parser->getPlatform('ch-nzz');
 
 # 4. Display the platform's favicon
-print '<img src="'.$parser->getIconUrl().'">';
+print '<img src="'.$nzz->getIconUrl().'">';
 
 # 5. Get articles
-var_dump($parser->getRecommendedArticles(5));
+var_dump($nzz->getRecommendedArticles(5));
 
 # Options: Clear the cache
 # $parser->getCache()->clear();

lib/NewsParser/NewsParser.php

@@ -0,0 +1,37 @@
+<?php
+
+namespace Sprain\NewsParser;
+
+use Sprain\NewsParser\Cache\Cache;
+
+class NewsParser
+{
+    protected $cache;
+
+    public function getPlatform($platformKey)
+    {
+        $platformNameParts = explode('-', $platformKey);
+        $platformClassName = __NAMESPACE__ . '\\Parser\\Platforms\\'. strtoupper($platformNameParts[0]) . '\\'. ucfirst($platformNameParts[1]) . 'Parser';
+
+        $platform = new $platformClassName();
+        $platform->setCache($this->getCache());
+
+        return $platform;
+    }
+
+    public function setCacheDir($cacheDir)
+    {
+        $this->getCache()->setCacheDir($cacheDir);
+
+        return $this;
+    }
+
+    public function getCache()
+    {
+        if (null === $this->cache) {
+            $this->cache = new Cache();
+        }
+
+        return $this->cache;
+    }
+}

lib/NewsParser/Parser/Interfaces/PlatformParserInterface.php

@@ -2,12 +2,11 @@
 
 namespace Sprain\NewsParser\Parser\Platforms\CH;
 
-use Sprain\NewsParser\Parser\Interfaces\PlatformParserInterface;
 use Sprain\NewsParser\Parser\Parser;
 use Sprain\NewsParser\Parser\Platforms\PlatformParser;
 use Sunra\PhpSimple\HtmlDomParser;
 
-class NzzParser extends PlatformParser implements PlatformParserInterface
+class NzzParser extends PlatformParser
 {
     protected $rootUrl = 'http://www.nzz.ch';
 

lib/NewsParser/Parser/Parser.php

@@ -3,11 +3,11 @@
 namespace Sprain\NewsParser\Parser\Platforms\CH;
 
 use Sprain\NewsParser\Parser\Exceptions\NotImplementedException;
-use Sprain\NewsParser\Parser\Interfaces\PlatformParserInterface;
 use Sprain\NewsParser\Parser\Parser;
+use Sprain\NewsParser\Parser\Platforms\PlatformParser;
 use Sunra\PhpSimple\HtmlDomParser;
 
-class TagesanzeigerParser extends PlatformParser implements PlatformParserInterface
+class TagesanzeigerParser extends PlatformParser
 {
     protected $rootUrl = 'http://www.tagesanzeiger.ch';
 

lib/NewsParser/Parser/Platforms/CH/NzzParser.php

@@ -2,10 +2,72 @@
 
 namespace Sprain\NewsParser\Parser\Platforms;
 
+use Sprain\NewsParser\Cache\Cache;
+
 abstract class PlatformParser
 {
+    protected $cache;
+    protected $rootUrl;
+
+    abstract function doGetMostReadArticles($limit = null);
+
+    abstract function doGetRecommendedArticles($limit = null);
+
+    abstract function doGetMostCommentedArticles($limit = null);
+
+    public function getMostReadArticles($limit = null)
+    {
+        $cacheId = get_called_class().':'.__METHOD__;
+
+        if (!$articles = $this->getCache()->fetch($cacheId)) {
+            $articles = $this->doGetMostReadArticles($limit);
+            $this->getCache()->save($cacheId, $articles);
+        }
+
+        return $articles;
+    }
+
+    public function getRecommendedArticles($limit = null)
+    {
+        $cacheId = get_called_class().':'.__METHOD__;
+
+        if (!$articles = $this->getCache()->fetch($cacheId)) {
+            $articles = $this->doGetRecommendedArticles($limit);
+            $this->getCache()->save($cacheId, $articles);
+        }
+
+        return $articles;
+    }
+
+    public function getMostCommentedArticles($limit = null)
+    {
+        $cacheId = get_called_class().':'.__METHOD__;
+
+        if (!$articles = $this->getCache()->fetch($cacheId)) {
+            $articles = $this->doGetMostCommentedArticles($limit);
+            $this->getCache()->save($cacheId, $articles);
+        }
+
+        return $articles;
+    }
+
+    public function getIconUrl()
+    {
+        return 'http://www.google.com/s2/favicons?domain=' . $this->getRootUrl();
+    }
+
     public function getRootUrl()
     {
         return $this->rootUrl;
     }
+
+    public function setCache(Cache $cache)
+    {
+        $this->cache = $cache;
+    }
+
+    public function getCache()
+    {
+        return $this->cache;
+    }
 }