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44 lines
1.2 KiB
44 lines
1.2 KiB
/**
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* usePropagation Hook
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* Fetches propagation predictions between DE and DX locations
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*/
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import { useState, useEffect } from 'react';
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export const usePropagation = (deLocation, dxLocation) => {
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const [data, setData] = useState(null);
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const [loading, setLoading] = useState(true);
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useEffect(() => {
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if (!deLocation || !dxLocation) return;
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const fetchPropagation = async () => {
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try {
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const params = new URLSearchParams({
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deLat: deLocation.lat,
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deLon: deLocation.lon,
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dxLat: dxLocation.lat,
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dxLon: dxLocation.lon
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});
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const response = await fetch(`/api/propagation?${params}`);
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if (response.ok) {
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const result = await response.json();
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setData(result);
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}
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} catch (err) {
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console.error('Propagation error:', err);
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} finally {
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setLoading(false);
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}
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};
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fetchPropagation();
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const interval = setInterval(fetchPropagation, 10 * 60 * 1000); // 10 minutes
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return () => clearInterval(interval);
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}, [deLocation?.lat, deLocation?.lon, dxLocation?.lat, dxLocation?.lon]);
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return { data, loading };
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};
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export default usePropagation;
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