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<?php |
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namespace Darksky; |
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class Darksky |
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{ |
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const API_BASE_URL = 'https://api.darksky.net/forecast'; |
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const VALID_UNITS = [ |
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'auto', |
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'ca', |
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'uk2', |
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'us', |
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'si', |
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]; |
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const VALID_EXCLUDE = [ |
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'currently', |
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'minutely', |
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'hourly', |
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'daily', |
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'alerts', |
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'flags', |
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]; |
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private $key; |
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private $latitude; |
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private $longitude; |
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private $language; |
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private $units; |
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public function __construct($key, $latitude, $longitude, $lang = 'en', $units = 'auto') |
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{ |
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$this->setKey($key); |
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$this->setLatitude($latitude); |
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$this->setLongitude($longitude); |
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$this->setLanguage($lang); |
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$this->setUnits($units); |
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} |
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public function forecast(array $exclude = [], $extend = false) |
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{ |
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try { |
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return file_get_contents($this->generateRequestUrl($exclude, $extend)); |
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} catch (\Exception $e) { |
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throw $e; |
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} |
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} |
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/** |
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* @return string |
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*/ |
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public function getKey() |
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{ |
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return $this->key; |
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} |
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/** |
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* @param string $key |
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*/ |
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public function setKey($key) |
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{ |
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$this->key = $key; |
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} |
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/** |
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* @return string |
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*/ |
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public function getLatitude() |
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{ |
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return $this->latitude; |
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} |
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/** |
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* @param string $latitude |
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*/ |
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public function setLatitude($latitude) |
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{ |
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$this->latitude = $latitude; |
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} |
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/** |
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* @return string |
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*/ |
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public function getLongitude() |
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{ |
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return $this->longitude; |
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} |
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/** |
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* @param string $longitude |
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*/ |
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public function setLongitude($longitude) |
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{ |
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$this->longitude = $longitude; |
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} |
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private function generateRequestUrl(array $exclude = [], $extend = false) |
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{ |
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return self::API_BASE_URL.'/'.$this->getKey().'/'.$this->getLatitude().','.$this->getLongitude() |
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.'?'.$this->generateUrlQueryString($exclude, $extend); |
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} |
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private function generateUrlQueryString(array $exclude = [], $extend = false) |
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{ |
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$queryString = ['lang' => $this->getLanguage(), 'units' => $this->getUnits()]; |
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// validate $exclude |
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if ($this->validateExcludes($exclude) !== true) { |
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$validExcludes = implode(',', self::VALID_EXCLUDE); |
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throw new \Exception("Invalid excludes. Provide valid excludes: {$validExcludes}'"); |
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} |
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if (!empty($exclude)) { |
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$queryString['exclude'] = implode(',', $exclude); |
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} |
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if ($extend === true) { |
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$queryString['extend'] = 'hourly'; |
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} |
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return http_build_query($queryString); |
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} |
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private function validateExcludes($exclude) |
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{ |
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if (empty($exclude)) { |
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return true; |
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} |
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foreach ($exclude as $anExclude) { |
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if (!in_array($anExclude, self::VALID_EXCLUDE)) { |
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return false; |
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} |
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} |
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return true; |
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} |
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/** |
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* @return string |
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*/ |
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public function getLanguage() |
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{ |
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return $this->language; |
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} |
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/** |
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* @param string $language |
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*/ |
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public function setLanguage($language) |
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{ |
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$this->language = $language; |
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} |
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/** |
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* @return string |
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*/ |
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4 |
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public function getUnits() |
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{ |
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return $this->units; |
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} |
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/** |
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* @param $units |
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* |
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* @throws \Exception |
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*/ |
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8 |
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public function setUnits($units) |
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{ |
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if (!in_array($units, self::VALID_UNITS)) { |
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$validUnits = implode(',', self::VALID_UNITS); |
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throw new \Exception("'{$units}' is not a valid unit. Valid units: {$validUnits}"); |
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} |
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8 |
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$this->units = $units; |
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8 |
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} |
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} |
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iranianpep /
darksky
