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<?php |
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namespace frictionlessdata\tableschema\Fields; |
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class GeopointField extends BaseField |
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{ |
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protected function validateCastValue($val) |
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{ |
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if (in_array($this->format(), ['array', 'object']) && is_string($val)) { |
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try { |
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$val = json_decode($val); |
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} catch (\Exception $e) { |
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throw $this->getValidationException($e->getMessage(), $val); |
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} |
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} |
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switch ($this->format()) { |
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case 'default': |
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if (!is_string($val)) { |
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throw $this->getValidationException('value must be a string', $val); |
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} else { |
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return $this->getNativeGeopoint(explode(',', $val)); |
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} |
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case 'array': |
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if (!is_array($val)) { |
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throw $this->getValidationException('value must be an array', $val); |
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} else { |
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return $this->getNativeGeopoint($val); |
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} |
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case 'object': |
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if (!is_object($val)) { |
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throw $this->getValidationException('value must be an object', $val); |
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} elseif (!isset($val->lat) || !isset($val->lon)) { |
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throw $this->getValidationException('object must contain lon and lat attributes', $val); |
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} else { |
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return $this->getNativeGeopoint([$val->lon, $val->lat]); |
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} |
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default: |
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throw $this->getValidationException('invalid format', $val); |
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} |
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} |
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public static function type() |
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{ |
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return 'geopoint'; |
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} |
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protected function getNativeGeopoint($arr) |
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{ |
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if (count($arr) != 2) { |
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throw $this->getValidationException('lon,lat array must contain only lon,lat', json_encode($arr)); |
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} else { |
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list($lon, $lat) = $arr; |
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$lon = (int) $lon; |
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$lat = (int) $lat; |
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if ( |
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$lon > 180 || $lon < -180 |
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|| $lat > 90 or $lat < -90 |
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) { |
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throw $this->getValidationException('invalid lon,lat values', json_encode($arr)); |
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} else { |
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return [$lon, $lat]; |
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} |
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} |
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} |
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} |
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OriHoch /
tableschema-php
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