Adapters
8 years ago
Providers
8 years ago
Autoload.php
8 years ago
Embera.php
8 years ago
FakeResponse.php
8 years ago
Formatter.php
8 years ago
HtmlProcessor.php
8 years ago
HttpRequest.php
8 years ago
Oembed.php
8 years ago
Providers.php
8 years ago
Url.php
8 years ago
Formatter.php
169 lines
| 1 | <?php |
| 2 | /** |
| 3 | * Formatter.php |
| 4 | * |
| 5 | * @package Embera |
| 6 | * @author Michael Pratt <pratt@hablarmierda.net> |
| 7 | * @link http://www.michael-pratt.com/ |
| 8 | * |
| 9 | * For the full copyright and license information, please view the LICENSE |
| 10 | * file that was distributed with this source code. |
| 11 | * |
| 12 | */ |
| 13 | namespace Embera; |
| 14 | |
| 15 | /** |
| 16 | * A formatter that acts as a Decorator for the main library. |
| 17 | * It outputs the oembed data as a custom string. |
| 18 | */ |
| 19 | class Formatter |
| 20 | { |
| 21 | /** @var object Instance of \Embera\Embera */ |
| 22 | protected $embera; |
| 23 | |
| 24 | /** @var bool Wether or not to allow offline responses */ |
| 25 | protected $allowOffline; |
| 26 | |
| 27 | /** @var array Fetched errors */ |
| 28 | protected $errors = array(); |
| 29 | |
| 30 | /** @var string The template with placeholders to be replaced with the data from an ombed response */ |
| 31 | protected $template; |
| 32 | |
| 33 | /** |
| 34 | * Constructor |
| 35 | * |
| 36 | * @param object $embera Instance of \Embera\Embera |
| 37 | * @param bool $allowOffline Wether or not to allow offline embera |
| 38 | */ |
| 39 | public function __construct(\Embera\Embera $embera, $allowOffline = false) |
| 40 | { |
| 41 | $this->embera = $embera; |
| 42 | $this->allowOffline = $allowOffline; |
| 43 | } |
| 44 | |
| 45 | /** |
| 46 | * Sets a template with placeholders, that should be |
| 47 | * replaced by the data from an oembed response. |
| 48 | * |
| 49 | * |
| 50 | * @param string $template |
| 51 | * @param string|array $body An array or string with Urls |
| 52 | * @return string |
| 53 | */ |
| 54 | public function setTemplate($template, $body = null) |
| 55 | { |
| 56 | $this->template = $template; |
| 57 | |
| 58 | if (!is_null($body)) { |
| 59 | return $this->transform($body); |
| 60 | } |
| 61 | |
| 62 | return ''; |
| 63 | } |
| 64 | |
| 65 | /** |
| 66 | * This method transforms an array or a string with urls |
| 67 | * into another string using a specified template. |
| 68 | * |
| 69 | * @param string|array $body An array or string with Urls |
| 70 | * @return string |
| 71 | */ |
| 72 | public function transform($body = null) |
| 73 | { |
| 74 | $providers = array(); |
| 75 | if ($urls = $this->embera->getUrlInfo($body)) { |
| 76 | |
| 77 | foreach ($urls as $url => $data) { |
| 78 | if (!$this->allowOffline && (int) $data['embera_using_fake'] === 1) { |
| 79 | $this->errors[] = 'Using fake oembed response on ' . $url; |
| 80 | continue; |
| 81 | } |
| 82 | |
| 83 | $providers[$url] = $this->replace($data, $this->template); |
| 84 | } |
| 85 | } |
| 86 | |
| 87 | if (is_array($body)) { |
| 88 | $return = implode('', $providers); |
| 89 | } else { |
| 90 | $return = str_replace(array_keys($providers), array_values($providers), $body); |
| 91 | } |
| 92 | |
| 93 | // Remove unchanged placeholders |
| 94 | return preg_replace('~{([\w\d\-_]+)}~i', '', $return); |
| 95 | } |
| 96 | |
| 97 | /** |
| 98 | * Replaces the given $data inside the $template |
| 99 | * |
| 100 | * @param array $data |
| 101 | * @param string $template |
| 102 | * @param string $prefix |
| 103 | * @return string |
| 104 | */ |
| 105 | protected function replace(array $data, $template, $prefix = null) |
| 106 | { |
| 107 | foreach ($data as $k => $d) { |
| 108 | if (is_array($d)) { |
| 109 | return $this->replace($d, $template, $k . '.'); |
| 110 | } else { |
| 111 | $template = str_replace('{' . (!empty($prefix) ? $prefix . $k : $k) . '}', $d, $template); |
| 112 | } |
| 113 | } |
| 114 | |
| 115 | return $template; |
| 116 | } |
| 117 | |
| 118 | /** |
| 119 | * Gets the last error found |
| 120 | * |
| 121 | * @return string |
| 122 | */ |
| 123 | public function getLastError() |
| 124 | { |
| 125 | $errors = $this->getErrors(); |
| 126 | return end($errors); |
| 127 | } |
| 128 | |
| 129 | /** |
| 130 | * Returns an array with all the errors |
| 131 | * |
| 132 | * @return array |
| 133 | */ |
| 134 | public function getErrors() |
| 135 | { |
| 136 | return array_merge($this->embera->getErrors(), $this->errors); |
| 137 | } |
| 138 | |
| 139 | /** |
| 140 | * Checks if there were errors |
| 141 | * |
| 142 | * @return bool |
| 143 | */ |
| 144 | public function hasErrors() |
| 145 | { |
| 146 | return ($this->embera->hasErrors() || !empty($this->errors)); |
| 147 | } |
| 148 | |
| 149 | /** |
| 150 | * Truly decorate the embera object. With this |
| 151 | * method Im preserving compatability with the |
| 152 | * API of the decorated object. |
| 153 | * |
| 154 | * @param string $method |
| 155 | * @param array $args |
| 156 | * @return mixed |
| 157 | * |
| 158 | * @throws InvalidArgumentException when a method was not found |
| 159 | */ |
| 160 | public function __call($method, $args) |
| 161 | { |
| 162 | if (is_callable(array($this->embera, $method))) { |
| 163 | return call_user_func_array(array($this->embera, $method), $args); |
| 164 | } |
| 165 | |
| 166 | throw new \InvalidArgumentException('No method ' . $method . ' was found'); |
| 167 | } |
| 168 | } |
| 169 |