79 lines
2.0 KiB
PHP
79 lines
2.0 KiB
PHP
<?php
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namespace App\Widgets;
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use App\Interfaces\Widget;
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use App\Support\Http;
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use App\Support\Units\Distance;
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use App\Support\Units\Temperature;
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use Illuminate\Support\Facades\Cache;
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use MetarDecoder\MetarDecoder;
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use SimpleXMLElement;
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/**
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* This is a widget for the 3rd party CheckWX service
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* @package App\Widgets
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*/
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class Weather extends Widget
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{
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protected $config = [
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'icao' => null,
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];
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public const URL = 'https://avwx.rest/api/metar/';
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/**
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* Determine the category depending on the rules for visibility/ceiling
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* https://www.aviationweather.gov/cva/help
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* @param $metar
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* @return string
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*/
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protected function determineCategory($metar): string
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{
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$category = 'VFR';
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$visibility = $metar->getVisibility()->getVisibility()->getValue();
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$ceiling = $metar->getClouds();
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if ($ceiling) {
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$ceiling = $ceiling[0]->getBaseHeight()->getValue();
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} else {
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$ceiling = 1000;
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}
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if ($visibility < 3 || $ceiling < 1000) {
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$category = 'IFR';
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}
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return $category;
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}
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/**
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* Attempt to get the data from the CheckWX API
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*/
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public function run()
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{
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/**
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* @var \App\Interfaces\Metar
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*/
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$klass = config('phpvms.metar');
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$metar_class = new $klass;
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$raw_metar = $metar_class->get_metar($this->config['icao']);
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// Run through this parser
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$decoder = new MetarDecoder();
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$metar = $decoder->parse($raw_metar);
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// Determine the flight category that's allowed
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// Just check if we need to be under IFR conditions
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$category = $this->determineCategory($metar);
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return view('widgets.weather', [
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'config' => $this->config,
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'category' => $category,
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'metar' => $metar,
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'unit_alt' => setting('units.altitude'),
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'unit_dist' => setting('units.distance'),
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'unit_temp' => setting('units.temperature'),
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]);
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}
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}
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