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<?php |
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namespace urvin\phikaru; |
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class UrlBuilder |
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{ |
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const WIDTH_HEIGHT_SEPARATOR = 'x'; |
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const CAST_RESIZE_TENSILE = 2; |
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const CAST_RESIZE_PRECISE = 4; |
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const CAST_RESIZE_INVERSE = 8; |
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const CAST_TRIM = 16; |
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const CAST_EXTENT = 32; |
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const CAST_OPAGUE_BACKGROUND = 64; |
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/** |
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* @var string |
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*/ |
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protected $baseUrl; |
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/** |
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* @var string |
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*/ |
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protected $signatureSalt; |
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/** |
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* @var int |
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*/ |
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protected $width = 0; |
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/** |
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* @var int |
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*/ |
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protected $height = 0; |
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/** |
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* @var int |
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*/ |
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protected $cast = 0; |
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/** |
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* @var string |
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*/ |
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protected $filename = ''; |
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/** |
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* @var string |
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*/ |
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protected $extension = ''; |
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/** |
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* @param string $baseUrl |
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* @param string $signatureSalt |
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* @return UrlBuilder |
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*/ |
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public static function construct(string $baseUrl, string $signatureSalt) |
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{ |
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return new static($baseUrl, $signatureSalt); |
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} |
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/** |
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* UrlBuilder constructor. |
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* @param string $baseUrl |
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* @param string $signatureSalt |
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*/ |
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public function __construct(string $baseUrl, string $signatureSalt) |
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{ |
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if(empty($baseUrl)) { |
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throw new \InvalidArgumentException("Base URL should not be empty"); |
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} |
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$this->baseUrl = rtrim($baseUrl, '/'); |
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$this->signatureSalt = $signatureSalt; |
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} |
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/** |
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* @param string $filename |
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* @return UrlBuilder |
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*/ |
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public function filename(string $filename): UrlBuilder |
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{ |
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if(empty($filename)) { |
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throw new \InvalidArgumentException("Filename should not be empty"); |
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} |
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$this->filename = $filename; |
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return $this; |
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} |
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/** |
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* @param string $extension |
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* @return UrlBuilder |
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*/ |
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public function extension(string $extension): UrlBuilder |
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{ |
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if(empty($extension)) { |
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throw new \InvalidArgumentException("Extension should not be empty"); |
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} |
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$this->extension = $extension; |
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return $this; |
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} |
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/** |
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* @param int $cast |
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* @return UrlBuilder |
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*/ |
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public function cast(int $cast): UrlBuilder |
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{ |
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if(empty($cast)) { |
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$this->cast = 0; |
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} |
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elseif ($cast < 0) { |
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throw new \InvalidArgumentException("Cast flag should not be less than nil"); |
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} |
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else { |
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$this->cast |= $cast; |
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} |
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return $this; |
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} |
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/** |
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* @param int $value |
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* @return UrlBuilder |
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*/ |
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3 |
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public function width(int $value): UrlBuilder |
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{ |
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if ($value < 0) { |
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throw new \InvalidArgumentException("Width should not be less than nil"); |
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} |
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$this->width = $value; |
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return $this; |
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} |
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/** |
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* @param int $value |
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* @return UrlBuilder |
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*/ |
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3 |
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public function height(int $value): UrlBuilder |
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{ |
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3 |
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if ($value < 0) { |
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throw new \InvalidArgumentException("Width should not be less than nil"); |
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} |
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$this->height = $value; |
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return $this; |
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} |
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/** |
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143
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* @return string |
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144
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*/ |
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3 |
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protected function signature(): string |
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{ |
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return md5($this->signatureSalt . $this->width . $this->height . $this->cast . $this->filename); |
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} |
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150
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/** |
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151
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* @return string |
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152
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*/ |
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153
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2 |
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public function __toString() |
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{ |
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2 |
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return join('/', [ |
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$this->baseUrl, |
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$this->signature(), |
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$this->width . self::WIDTH_HEIGHT_SEPARATOR . $this->height, |
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$this->cast, |
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$this->filename . '.' . $this->extension |
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]); |
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162
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} |
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163
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} |
Urvin /
phikaru
