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<?php |
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/* |
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* Ntentan Framework |
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* Copyright (c) 2008-2015 James Ekow Abaka Ainooson |
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* |
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* Permission is hereby granted, free of charge, to any person obtaining |
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* a copy of this software and associated documentation files (the |
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* "Software"), to deal in the Software without restriction, including |
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* without limitation the rights to use, copy, modify, merge, publish, |
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* distribute, sublicense, and/or sell copies of the Software, and to |
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* permit persons to whom the Software is furnished to do so, subject to |
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* the following conditions: |
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* |
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* The above copyright notice and this permission notice shall be |
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* included in all copies or substantial portions of the Software. |
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* |
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, |
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* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF |
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* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND |
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* NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE |
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* LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION |
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* OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION |
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* WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. |
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* |
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*/ |
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namespace ntentan\honam\engines\php\helpers\feed\generators; |
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use ntentan\honam\engines\php\helpers\feed\Generator; |
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use SimpleXMLElement; |
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/** |
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* RSS Feed generator for the Feed helper. |
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*/ |
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class RssFeed extends Generator |
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{ |
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public function generate() : string |
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{ |
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$rss = new SimpleXMLElement('<rss></rss>'); |
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$rss['version'] = '2.0'; |
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$rss->addChild('channel'); |
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foreach($this->properties as $property => $value) |
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{ |
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$property = $this->convertProperty($property); |
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$rss->channel->addChild($property, $this->formatProperty($property, $value)); |
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} |
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foreach($this->items as $item) |
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{ |
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$itemElement = $rss->channel->addChild('item'); |
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foreach($item as $field => $value) |
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{ |
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$value = utf8_encode($value); |
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$property = $this->convertProperty($field); |
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$itemElement->addChild($property, $this->formatProperty($property, $value)); |
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} |
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if(!isset($item['id'])) |
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{ |
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$this->getGUID($itemElement, $item); |
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} |
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} |
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return $rss->asXML(); |
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} |
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private function getGUID($itemElement, $item) |
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{ |
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if(isset($item['url'])) |
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{ |
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$itemElement->addChild('guid', $item['url']); |
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$itemElement->guid['isPermaLink'] = 'true'; |
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} |
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else |
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{ |
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$itemElement->addChild('guid', md5(serialize($item))); |
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$itemElement->guid['isPermaLink'] = 'false'; |
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} |
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} |
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/** |
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* Convert generic feed properties to the ones specified in the RSS |
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* standard. |
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* |
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* @param string $property |
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* @return string |
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*/ |
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private function convertProperty($property) |
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{ |
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$properties = array( |
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'title' => 'title', |
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'url' => 'link', |
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'updated' => 'lastBuildDate', |
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'summary' => 'description', |
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'author' => 'author', |
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'category' => 'category', |
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'date' => 'pubDate', |
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'id' => 'guid', |
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'description' => 'description' |
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); |
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return $properties[$property]; |
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} |
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/** |
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* @param $property |
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* @param $value |
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* @return false|string |
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*/ |
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private function formatProperty($property, $value) |
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{ |
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switch($property) |
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{ |
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case 'lastBuildDate': |
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case 'pubDate': |
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return date("r", strtotime($value)); |
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default: |
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return $value; |
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} |
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} |
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} |
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ntentan /
honam
