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1 | <?php |
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2 | |||
3 | namespace frictionlessdata\tableschema\Fields; |
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4 | |||
5 | class GeopointField extends BaseField |
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6 | { |
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7 | protected function validateCastValue($val) |
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8 | { |
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9 | if (in_array($this->format(), ['array', 'object']) && is_string($val)) { |
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10 | try { |
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11 | $val = json_decode($val); |
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12 | } catch (\Exception $e) { |
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13 | throw $this->getValidationException($e->getMessage(), $val); |
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14 | } |
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15 | } |
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16 | switch ($this->format()) { |
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17 | case 'default': |
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18 | if (!is_string($val)) { |
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19 | throw $this->getValidationException('value must be a string', $val); |
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20 | } else { |
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21 | return $this->getNativeGeopoint(explode(',', $val)); |
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22 | } |
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23 | case 'array': |
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24 | if (!is_array($val)) { |
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25 | throw $this->getValidationException('value must be an array', $val); |
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26 | } else { |
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27 | return $this->getNativeGeopoint($val); |
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28 | } |
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29 | case 'object': |
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30 | if (!is_object($val)) { |
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31 | throw $this->getValidationException('value must be an object', $val); |
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32 | } elseif (!isset($val->lat) || !isset($val->lon)) { |
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33 | throw $this->getValidationException('object must contain lon and lat attributes', $val); |
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34 | } else { |
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35 | return $this->getNativeGeopoint([$val->lon, $val->lat]); |
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36 | } |
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37 | default: |
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38 | throw $this->getValidationException('invalid format', $val); |
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39 | } |
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40 | } |
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41 | |||
42 | public static function type() |
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43 | { |
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44 | return 'geopoint'; |
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45 | } |
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46 | |||
47 | protected function getNativeGeopoint($arr) |
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48 | { |
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49 | if (count($arr) != 2) { |
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50 | throw $this->getValidationException('lon,lat array must contain only lon,lat', json_encode($arr)); |
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51 | } else { |
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52 | list($lon, $lat) = $arr; |
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53 | $lon = (int) $lon; |
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54 | $lat = (int) $lat; |
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55 | if ( |
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56 | $lon > 180 || $lon < -180 |
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57 | || $lat > 90 or $lat < -90 |
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58 | ) { |
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59 | throw $this->getValidationException('invalid lon,lat values', json_encode($arr)); |
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60 | } else { |
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61 | return [$lon, $lat]; |
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62 | } |
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63 | } |
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64 | } |
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65 | } |
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66 |