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<?php |
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namespace BOTK\Model; |
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use BOTK\Exceptions\DataModelException; |
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/** |
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* An ibrid class that merge the semantic of schema:organization, schema:place and schema:geo, |
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* it is similar to schema:LocalBusiness. |
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* Allows the bulk setup of properties |
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*/ |
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abstract class AbstractModel |
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{ |
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static protected $DEFAULT_OPTIONS = array ( |
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); |
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protected $data; |
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protected $options; |
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protected $rdf =null; //lazy created |
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protected $tripleCount=0; //lazy created |
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public function __construct(array $data = array(), array $options = array()) |
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{ |
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// ensure proper defaults exists |
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$this->options = array_merge(static::$DEFAULT_OPTIONS, $options); |
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// set default values |
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foreach( $this->options as $property=>$option){ |
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if(empty($data[$property]) && isset($this->options[$property]['default'])){ |
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$data[$property] = $this->options[$property]['default']; |
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} |
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} |
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// ensure data are sanitized and validated |
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$sanitizedData = array(); |
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foreach( $data as $property=>$value) { |
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// property must exist |
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if(!isset($this->options[$property])){ |
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throw new DataModelException("Unknown property $property"); |
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} |
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// apply filters to not empty variables |
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if( $value ){ |
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if(isset($this->options[$property]['filter'])){ |
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$sanitizedValue = filter_var($value, $this->options[$property]['filter'], $this->options[$property]); |
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if(!$sanitizedValue){ |
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throw new DataModelException("Invalid property value for $property ($value)"); |
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} |
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$sanitizedData[$property]=$sanitizedValue; |
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} else { |
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$sanitizedData[$property]=$value; |
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} |
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} |
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} |
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$this->data = $sanitizedData; |
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} |
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public function asArray() |
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{ |
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return $this->data; |
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} |
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public function getOptions() |
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{ |
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return $this->options; |
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} |
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abstract public function asTurtle(); |
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public function getTripleCount() |
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{ |
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// triple count is computed during rdf creation |
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if (is_null($this->rdf)){ |
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$this->asTurtle(); |
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} |
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return $this->tripleCount; |
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} |
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public function __toString() |
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{ |
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return $this->asTurtle(); |
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} |
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} |
linkeddatacenter /
BOTK-core
