Chris@0: <?php
Chris@0: /**
Chris@0:  * Zend Framework (http://framework.zend.com/)
Chris@0:  *
Chris@0:  * @link      http://github.com/zendframework/zf2 for the canonical source repository
Chris@0:  * @copyright Copyright (c) 2005-2015 Zend Technologies USA Inc. (http://www.zend.com)
Chris@0:  * @license   http://framework.zend.com/license/new-bsd New BSD License
Chris@0:  */
Chris@0: 
Chris@0: namespace Zend\Feed\Writer\Extension\ITunes;
Chris@0: 
Chris@0: use Zend\Feed\Uri;
Chris@0: use Zend\Feed\Writer;
Chris@0: use Zend\Stdlib\StringUtils;
Chris@0: use Zend\Stdlib\StringWrapper\StringWrapperInterface;
Chris@0: 
Chris@0: class Feed
Chris@0: {
Chris@0:     /**
Chris@0:      * Array of Feed data for rendering by Extension's renderers
Chris@0:      *
Chris@0:      * @var array
Chris@0:      */
Chris@0:     protected $data = [];
Chris@0: 
Chris@0:     /**
Chris@0:      * Encoding of all text values
Chris@0:      *
Chris@0:      * @var string
Chris@0:      */
Chris@0:     protected $encoding = 'UTF-8';
Chris@0: 
Chris@0:     /**
Chris@0:      * The used string wrapper supporting encoding
Chris@0:      *
Chris@0:      * @var StringWrapperInterface
Chris@0:      */
Chris@0:     protected $stringWrapper;
Chris@0: 
Chris@0:     /**
Chris@0:      * Constructor
Chris@0:      */
Chris@0:     public function __construct()
Chris@0:     {
Chris@0:         $this->stringWrapper = StringUtils::getWrapper($this->encoding);
Chris@0:     }
Chris@0: 
Chris@0:     /**
Chris@0:      * Set feed encoding
Chris@0:      *
Chris@0:      * @param  string $enc
Chris@0:      * @return Feed
Chris@0:      */
Chris@0:     public function setEncoding($enc)
Chris@0:     {
Chris@0:         $this->stringWrapper = StringUtils::getWrapper($enc);
Chris@0:         $this->encoding      = $enc;
Chris@0:         return $this;
Chris@0:     }
Chris@0: 
Chris@0:     /**
Chris@0:      * Get feed encoding
Chris@0:      *
Chris@0:      * @return string
Chris@0:      */
Chris@0:     public function getEncoding()
Chris@0:     {
Chris@0:         return $this->encoding;
Chris@0:     }
Chris@0: 
Chris@0:     /**
Chris@0:      * Set a block value of "yes" or "no". You may also set an empty string.
Chris@0:      *
Chris@0:      * @param  string
Chris@0:      * @return Feed
Chris@0:      * @throws Writer\Exception\InvalidArgumentException
Chris@0:      */
Chris@0:     public function setItunesBlock($value)
Chris@0:     {
Chris@0:         if (!ctype_alpha($value) && strlen($value) > 0) {
Chris@0:             throw new Writer\Exception\InvalidArgumentException('invalid parameter: "block" may only'
Chris@0:             . ' contain alphabetic characters');
Chris@0:         }
Chris@0:         if ($this->stringWrapper->strlen($value) > 255) {
Chris@0:             throw new Writer\Exception\InvalidArgumentException('invalid parameter: "block" may only'
Chris@0:             . ' contain a maximum of 255 characters');
Chris@0:         }
Chris@0:         $this->data['block'] = $value;
Chris@0:         return $this;
Chris@0:     }
Chris@0: 
Chris@0:     /**
Chris@0:      * Add feed authors
Chris@0:      *
Chris@0:      * @param  array $values
Chris@0:      * @return Feed
Chris@0:      */
Chris@0:     public function addItunesAuthors(array $values)
Chris@0:     {
Chris@0:         foreach ($values as $value) {
Chris@0:             $this->addItunesAuthor($value);
Chris@0:         }
Chris@0:         return $this;
Chris@0:     }
Chris@0: 
Chris@0:     /**
Chris@0:      * Add feed author
Chris@0:      *
Chris@0:      * @param  string $value
Chris@0:      * @return Feed
Chris@0:      * @throws Writer\Exception\InvalidArgumentException
Chris@0:      */
Chris@0:     public function addItunesAuthor($value)
Chris@0:     {
Chris@0:         if ($this->stringWrapper->strlen($value) > 255) {
Chris@0:             throw new Writer\Exception\InvalidArgumentException('invalid parameter: any "author" may only'
Chris@0:             . ' contain a maximum of 255 characters each');
Chris@0:         }
Chris@0:         if (!isset($this->data['authors'])) {
Chris@0:             $this->data['authors'] = [];
Chris@0:         }
Chris@0:         $this->data['authors'][] = $value;
Chris@0:         return $this;
Chris@0:     }
Chris@0: 
Chris@0:     /**
Chris@0:      * Set feed categories
Chris@0:      *
Chris@0:      * @param  array $values
Chris@0:      * @return Feed
Chris@0:      * @throws Writer\Exception\InvalidArgumentException
Chris@0:      */
Chris@0:     public function setItunesCategories(array $values)
Chris@0:     {
Chris@0:         if (!isset($this->data['categories'])) {
Chris@0:             $this->data['categories'] = [];
Chris@0:         }
Chris@0:         foreach ($values as $key => $value) {
Chris@0:             if (!is_array($value)) {
Chris@0:                 if ($this->stringWrapper->strlen($value) > 255) {
Chris@0:                     throw new Writer\Exception\InvalidArgumentException('invalid parameter: any "category" may only'
Chris@0:                     . ' contain a maximum of 255 characters each');
Chris@0:                 }
Chris@0:                 $this->data['categories'][] = $value;
Chris@0:             } else {
Chris@0:                 if ($this->stringWrapper->strlen($key) > 255) {
Chris@0:                     throw new Writer\Exception\InvalidArgumentException('invalid parameter: any "category" may only'
Chris@0:                     . ' contain a maximum of 255 characters each');
Chris@0:                 }
Chris@0:                 $this->data['categories'][$key] = [];
Chris@0:                 foreach ($value as $val) {
Chris@0:                     if ($this->stringWrapper->strlen($val) > 255) {
Chris@0:                         throw new Writer\Exception\InvalidArgumentException('invalid parameter: any "category" may only'
Chris@0:                         . ' contain a maximum of 255 characters each');
Chris@0:                     }
Chris@0:                     $this->data['categories'][$key][] = $val;
Chris@0:                 }
Chris@0:             }
Chris@0:         }
Chris@0:         return $this;
Chris@0:     }
Chris@0: 
Chris@0:     /**
Chris@0:      * Set feed image (icon)
Chris@0:      *
Chris@0:      * @param  string $value
Chris@0:      * @return Feed
Chris@0:      * @throws Writer\Exception\InvalidArgumentException
Chris@0:      */
Chris@0:     public function setItunesImage($value)
Chris@0:     {
Chris@0:         if (!Uri::factory($value)->isValid()) {
Chris@0:             throw new Writer\Exception\InvalidArgumentException('invalid parameter: "image" may only'
Chris@0:             . ' be a valid URI/IRI');
Chris@0:         }
Chris@0:         if (!in_array(substr($value, -3), ['jpg', 'png'])) {
Chris@0:             throw new Writer\Exception\InvalidArgumentException('invalid parameter: "image" may only'
Chris@0:             . ' use file extension "jpg" or "png" which must be the last three'
Chris@0:             . ' characters of the URI (i.e. no query string or fragment)');
Chris@0:         }
Chris@0:         $this->data['image'] = $value;
Chris@0:         return $this;
Chris@0:     }
Chris@0: 
Chris@0:     /**
Chris@0:      * Set feed cumulative duration
Chris@0:      *
Chris@0:      * @param  string $value
Chris@0:      * @return Feed
Chris@0:      * @throws Writer\Exception\InvalidArgumentException
Chris@0:      */
Chris@0:     public function setItunesDuration($value)
Chris@0:     {
Chris@0:         $value = (string) $value;
Chris@0:         if (!ctype_digit($value)
Chris@0:             && !preg_match("/^\d+:[0-5]{1}[0-9]{1}$/", $value)
Chris@0:             && !preg_match("/^\d+:[0-5]{1}[0-9]{1}:[0-5]{1}[0-9]{1}$/", $value)
Chris@0:         ) {
Chris@0:             throw new Writer\Exception\InvalidArgumentException('invalid parameter: "duration" may only'
Chris@0:             . ' be of a specified [[HH:]MM:]SS format');
Chris@0:         }
Chris@0:         $this->data['duration'] = $value;
Chris@0:         return $this;
Chris@0:     }
Chris@0: 
Chris@0:     /**
Chris@0:      * Set "explicit" flag
Chris@0:      *
Chris@0:      * @param  bool $value
Chris@0:      * @return Feed
Chris@0:      * @throws Writer\Exception\InvalidArgumentException
Chris@0:      */
Chris@0:     public function setItunesExplicit($value)
Chris@0:     {
Chris@0:         if (!in_array($value, ['yes', 'no', 'clean'])) {
Chris@0:             throw new Writer\Exception\InvalidArgumentException('invalid parameter: "explicit" may only'
Chris@0:             . ' be one of "yes", "no" or "clean"');
Chris@0:         }
Chris@0:         $this->data['explicit'] = $value;
Chris@0:         return $this;
Chris@0:     }
Chris@0: 
Chris@0:     /**
Chris@0:      * Set feed keywords
Chris@0:      *
Chris@0:      * @param  array $value
Chris@0:      * @return Feed
Chris@0:      * @throws Writer\Exception\InvalidArgumentException
Chris@0:      */
Chris@0:     public function setItunesKeywords(array $value)
Chris@0:     {
Chris@0:         if (count($value) > 12) {
Chris@0:             throw new Writer\Exception\InvalidArgumentException('invalid parameter: "keywords" may only'
Chris@0:             . ' contain a maximum of 12 terms');
Chris@0:         }
Chris@0:         $concat = implode(',', $value);
Chris@0:         if ($this->stringWrapper->strlen($concat) > 255) {
Chris@0:             throw new Writer\Exception\InvalidArgumentException('invalid parameter: "keywords" may only'
Chris@0:             . ' have a concatenated length of 255 chars where terms are delimited'
Chris@0:             . ' by a comma');
Chris@0:         }
Chris@0:         $this->data['keywords'] = $value;
Chris@0:         return $this;
Chris@0:     }
Chris@0: 
Chris@0:     /**
Chris@0:      * Set new feed URL
Chris@0:      *
Chris@0:      * @param  string $value
Chris@0:      * @return Feed
Chris@0:      * @throws Writer\Exception\InvalidArgumentException
Chris@0:      */
Chris@0:     public function setItunesNewFeedUrl($value)
Chris@0:     {
Chris@0:         if (!Uri::factory($value)->isValid()) {
Chris@0:             throw new Writer\Exception\InvalidArgumentException('invalid parameter: "newFeedUrl" may only'
Chris@0:             . ' be a valid URI/IRI');
Chris@0:         }
Chris@0:         $this->data['newFeedUrl'] = $value;
Chris@0:         return $this;
Chris@0:     }
Chris@0: 
Chris@0:     /**
Chris@0:      * Add feed owners
Chris@0:      *
Chris@0:      * @param  array $values
Chris@0:      * @return Feed
Chris@0:      */
Chris@0:     public function addItunesOwners(array $values)
Chris@0:     {
Chris@0:         foreach ($values as $value) {
Chris@0:             $this->addItunesOwner($value);
Chris@0:         }
Chris@0:         return $this;
Chris@0:     }
Chris@0: 
Chris@0:     /**
Chris@0:      * Add feed owner
Chris@0:      *
Chris@0:      * @param  array $value
Chris@0:      * @return Feed
Chris@0:      * @throws Writer\Exception\InvalidArgumentException
Chris@0:      */
Chris@0:     public function addItunesOwner(array $value)
Chris@0:     {
Chris@0:         if (!isset($value['name']) || !isset($value['email'])) {
Chris@0:             throw new Writer\Exception\InvalidArgumentException('invalid parameter: any "owner" must'
Chris@0:             . ' be an array containing keys "name" and "email"');
Chris@0:         }
Chris@0:         if ($this->stringWrapper->strlen($value['name']) > 255
Chris@0:             || $this->stringWrapper->strlen($value['email']) > 255
Chris@0:         ) {
Chris@0:             throw new Writer\Exception\InvalidArgumentException('invalid parameter: any "owner" may only'
Chris@0:             . ' contain a maximum of 255 characters each for "name" and "email"');
Chris@0:         }
Chris@0:         if (!isset($this->data['owners'])) {
Chris@0:             $this->data['owners'] = [];
Chris@0:         }
Chris@0:         $this->data['owners'][] = $value;
Chris@0:         return $this;
Chris@0:     }
Chris@0: 
Chris@0:     /**
Chris@0:      * Set feed subtitle
Chris@0:      *
Chris@0:      * @param  string $value
Chris@0:      * @return Feed
Chris@0:      * @throws Writer\Exception\InvalidArgumentException
Chris@0:      */
Chris@0:     public function setItunesSubtitle($value)
Chris@0:     {
Chris@0:         if ($this->stringWrapper->strlen($value) > 255) {
Chris@0:             throw new Writer\Exception\InvalidArgumentException('invalid parameter: "subtitle" may only'
Chris@0:             . ' contain a maximum of 255 characters');
Chris@0:         }
Chris@0:         $this->data['subtitle'] = $value;
Chris@0:         return $this;
Chris@0:     }
Chris@0: 
Chris@0:     /**
Chris@0:      * Set feed summary
Chris@0:      *
Chris@0:      * @param  string $value
Chris@0:      * @return Feed
Chris@0:      * @throws Writer\Exception\InvalidArgumentException
Chris@0:      */
Chris@0:     public function setItunesSummary($value)
Chris@0:     {
Chris@0:         if ($this->stringWrapper->strlen($value) > 4000) {
Chris@0:             throw new Writer\Exception\InvalidArgumentException('invalid parameter: "summary" may only'
Chris@0:             . ' contain a maximum of 4000 characters');
Chris@0:         }
Chris@0:         $this->data['summary'] = $value;
Chris@0:         return $this;
Chris@0:     }
Chris@0: 
Chris@0:     /**
Chris@0:      * Overloading: proxy to internal setters
Chris@0:      *
Chris@0:      * @param  string $method
Chris@0:      * @param  array $params
Chris@0:      * @return mixed
Chris@0:      * @throws Writer\Exception\BadMethodCallException
Chris@0:      */
Chris@0:     public function __call($method, array $params)
Chris@0:     {
Chris@0:         $point = lcfirst(substr($method, 9));
Chris@0:         if (!method_exists($this, 'setItunes' . ucfirst($point))
Chris@0:             && !method_exists($this, 'addItunes' . ucfirst($point))
Chris@0:         ) {
Chris@0:             throw new Writer\Exception\BadMethodCallException(
Chris@0:                 'invalid method: ' . $method
Chris@0:             );
Chris@0:         }
Chris@0:         if (!array_key_exists($point, $this->data) || empty($this->data[$point])) {
Chris@0:             return;
Chris@0:         }
Chris@0:         return $this->data[$point];
Chris@0:     }
Chris@0: }