70 lines
1.6 KiB
PHP
70 lines
1.6 KiB
PHP
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<?php
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namespace NoccyLabs\Dataset;
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/**
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* DatasetManager is the central class of noccylabs/dataset.
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*
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* @author Christopher Vagnetoft <cvagnetoft@gmail.com>
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* @copyright (c) 2022, NoccyLabs
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* @package noccylabs/dataset
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*/
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class DatasetManager
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{
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private static $datasets = [];
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public function __construct()
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{
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if (count(self::$datasets) == 0) {
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$this->scanForDatasets();
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}
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}
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private function scanForDatasets()
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{
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$root = $this->determineVendorPath();
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if (!$root) {
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// Skip loading if we couldn't determine the root
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return;
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}
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$glob = glob($root."/*/*/dataset.json");
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}
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private function determineVendorPath(): ?string
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{
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if (file_exists(__DIR__."/../../../autoload.php")) {
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// we are installed as a composer package
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return dirname(__DIR__, 3);
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}
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return null;
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}
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public function registerDataset(Dataset $dataset)
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{
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$id = $dataset->getIdentifier();
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if (array_key_exists($id, self::$datasets)) {
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// Don't overwrite previously registered datasets. Investigate how
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// this can be handled better in the future.
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return;
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}
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self::$datasets[$id] = $dataset;
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}
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/**
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*
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*
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* @throws InvalidDatasetException if the dataset can not be opened
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* @throws UnknownDatasetExcception if the dataset does not exist
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*/
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public function getDataset(string $identifier): Dataset
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{
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return self::$datasets[$identifier];
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}
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}
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