fix global search provider

lib/Command/Search.php

@@ -0,0 +1,51 @@
+<?php
+
+declare(strict_types=1);
+
+namespace OCA\Radio\Command;
+
+use OCA\Radio\Service\SearchService;
+use OCA\Mail\Service\CleanupService;
+use Symfony\Component\Console\Command\Command;
+use Symfony\Component\Console\Input\InputArgument;
+use Symfony\Component\Console\Input\InputInterface;
+use Symfony\Component\Console\Output\OutputInterface;
+
+class Search extends Command {
+
+	/** @var CleanupService */
+	private $cleanupService;
+	/**
+	 * @var SearchService
+	 */
+	private $searchService;
+
+	public function __construct(SearchService $searchService) {
+		parent::__construct();
+
+		$this->searchService = $searchService;
+	}
+
+	/**
+	 * @return void
+	 */
+	protected function configure() {
+		$this->setName('radio:search');
+		$this->setDescription('Search for radio stations');
+
+		$this->addArgument("term", InputArgument::OPTIONAL);
+	}
+
+	protected function execute(InputInterface $input, OutputInterface $output): int {
+		$radioStations = $this->searchService->findRadioStations(
+			$input->getArgument("term")
+		);
+
+		$output->writeln("Found radio stations");
+		foreach ($radioStations as $radioStation) {
+			$output->writeln("* $radioStation");
+		}
+
+		return 0;
+	}
+}

lib/Service/SearchService.php

@@ -0,0 +1,59 @@
+<?php
+
+declare(strict_types=1);
+
+namespace OCA\Radio\Service;
+
+use Exception;
+use OCP\Http\Client\IClientService;
+use Psr\Log\LoggerInterface;
+use function array_filter;
+use function array_map;
+use function json_decode;
+use function mb_strpos;
+use function mb_strtolower;
+
+class SearchService {
+
+	/** @var IClientService */
+	private $clientService;
+
+	/** @var LoggerInterface */
+	private $logger;
+
+	public function __construct(IClientService $clientService,
+								LoggerInterface $logger) {
+		$this->clientService = $clientService;
+		$this->logger = $logger;
+	}
+
+	public function findRadioStations(?string $term = null): array {
+		$this->logger->debug('searching radio stations');
+
+		$client = $this->clientService->newClient();
+
+		try {
+			$response = $client->get("https://cat-fact.herokuapp.com/facts?animal_type=cat");
+		} catch (Exception $e) {
+			$this->logger->error("Could not search for radio stations. Please check connection to radio-browser API.");
+
+			throw $e;
+		}
+
+		$body = $response->getBody();
+		$parsed = json_decode($body, true);
+
+		$mapped = array_map(function(array $radioStation) {
+			return $radioStation['text'];
+		}, $parsed['all']);
+
+		if (empty($term)) {
+			return $mapped;
+		}
+
+		return array_filter($mapped, function(string $radioStation) use ($term) {
+			return mb_strpos(mb_strtolower($radioStation), mb_strtolower($term));
+		});
+	}
+
+}