mirror of
https://github.com/ConnectedHumber/Air-Quality-Web
synced 2024-10-31 03:23:01 +00:00
64 lines
1.7 KiB
PHP
64 lines
1.7 KiB
PHP
<?php
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namespace AirQuality\Actions;
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use \SBRL\TomlConfig;
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use \AirQuality\Repositories\IDeviceRepository;
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use \AirQuality\ApiResponseSender;
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use \AirQuality\PerfFormatter;
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class ListDevices implements IAction {
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/** @var TomlConfig */
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private $settings;
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/** @var IDeviceRepository */
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private $device_repo;
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/** @var ApiResponseSender */
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private $sender;
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public function __construct(
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TomlConfig $in_settings,
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IDeviceRepository $in_device_repo,
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ApiResponseSender $in_sender) {
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$this->settings = $in_settings;
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$this->device_repo = $in_device_repo;
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$this->sender = $in_sender;
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}
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public function handle() : bool {
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global $start_time;
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$start_handle = microtime(true);
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// 1: Parse & validate parameters
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$only_with_location = !empty($_GET["only-with-location"]);
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// 1: Pull data from database
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$data = $this->device_repo->get_all_devices($only_with_location);
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// 1.5: Validate data from database
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if(empty($data)) {
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http_response_code(404);
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header("content-type: text/plain");
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header("x-time-taken: " . PerfFormatter::format_perf_data($start_time, $start_handle, null));
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echo("Error: No devices are currently present in the system.");
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return false;
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}
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// 3: Serialise data
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$start_encode = microtime(true);
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$response = json_encode($data);
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// 4: Send response
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// Don't a cache control header, because new devices might get added at any time
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// TODO: Investigate adding a short-term (~10mins?) cache-control header here
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header("content-length: " . strlen($response));
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header("content-type: application/json");
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header("x-time-taken: " . PerfFormatter::format_perf_data($start_time, $start_handle, $start_encode));
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echo($response);
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return true;
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}
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}
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