78 lines
3 KiB
JavaScript
78 lines
3 KiB
JavaScript
const { InfluxDB, Point } = require('@influxdata/influxdb-client');
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const axios = require('axios');
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const token = process.env.INFLUX_TOKEN;
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const url = process.env.INFLUX_URL;
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const org = process.env.DOCKER_INFLUXDB_INIT_ORG;
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const bucket = process.env.DOCKER_INFLUXDB_INIT_BUCKET;
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const client = new InfluxDB({ url, token });
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const writeApi = client.getWriteApi(org, bucket);
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const lat = 51.58;
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const lon = -4.29;
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const marineUrl = `https://marine-api.open-meteo.com/v1/marine?latitude=${lat}&longitude=${lon}¤t=swell_wave_height,swell_wave_period,swell_wave_direction`;
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const weatherUrl = `https://api.open-meteo.com/v1/forecast?latitude=${lat}&longitude=${lon}¤t=wind_speed_10m,wind_direction_10m`;
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async function fetchSurfData() {
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try {
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console.log("🌊 Fetching latest surf conditions...");
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const [marineRes, weatherRes] = await Promise.all([
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axios.get(marineUrl),
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axios.get(weatherUrl),
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]);
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const swell = marineRes.data.current;
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const wind = weatherRes.data.current;
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const finalScore = getSurfScore(swell, wind);
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const point = new Point('surf_conditions')
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.tag('location', 'llangennith_beach')
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.floatField('swell_height', swell.swell_wave_height)
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.floatField('swell_period', swell.swell_wave_period)
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.floatField('swell_direction', swell.swell_wave_direction)
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.floatField('wind_speed', wind.wind_speed_10m)
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.floatField('wind_direction', wind.wind_direction_10m)
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.intField('surf_score', finalScore);
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writeApi.writePoint(point);
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await writeApi.flush();
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console.log(`✅ Success! Score: ${finalScore}/10 | Swell: ${swell.swell_wave_height}m @ ${swell.swell_wave_period}s | Wind: ${wind.wind_speed_10m}km/h`);
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} catch (error) {
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if (error.code === 'ECONNREFUSED') {
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console.error("❌ Database is not ready yet. Retrying in the next cycle...");
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} else if (error.response) {
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console.error("❌ API Error:", error.response.status, error.response.data);
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} else {
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console.error("❌ Error:", error.message);
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}
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}
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}
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function getSurfScore(swell, wind) {
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let score = 5;
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if (swell.swell_wave_height < 0.5) return 1;
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if (swell.swell_wave_period >= 9 && swell.swell_wave_period <= 13) score += 2;
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else if (swell.swell_wave_period > 13) score += 1;
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else if (swell.swell_wave_period < 7) score -= 2;
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const isOffshore = wind.wind_direction_10m >= 70 && wind.wind_direction_10m <= 110;
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const isOnshore = wind.wind_direction_10m > 190 || wind.wind_direction_10m < 20;
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if (isOffshore) {
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score += 3;
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} else if (isOnshore && wind.wind_speed_10m > 12) {
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score -= 4;
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}
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return Math.max(1, Math.min(10, score));
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}
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console.log("⏳ Fetcher started. Waiting 10s for DB initialization...");
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setTimeout(fetchSurfData, 10000);
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setInterval(fetchSurfData, 1000 * 60 * 60); |