Ajout de données météo

tools/lib/weather/providers/index.js

@@ -0,0 +1,58 @@
+const { WEATHER_FIELDS, hasValue } = require("../constants");
+const { createInfluxProvider } = require("./influxdb");
+const { createOpenMeteoProvider } = require("./open-meteo");
+
+function mergeWeather(target, addition, providerName) {
+    let added = false;
+
+    for (const field of WEATHER_FIELDS) {
+        if (!hasValue(addition[field])) continue;
+        if (hasValue(target[field])) continue;
+
+        target[field] = addition[field];
+        added = true;
+    }
+
+    if (added) {
+        const existing = target.source || [];
+        const nextSources = Array.from(new Set([...existing, ...(addition.source || [providerName])].filter(Boolean)));
+        target.source = nextSources;
+    }
+
+    return added;
+}
+
+function buildProviders(config) {
+    const providers = [];
+    const influx = createInfluxProvider(config.providers?.influxdb, config);
+    const openMeteo = createOpenMeteoProvider(config.providers?.openMeteo, config);
+
+    if (influx) providers.push(influx);
+    if (openMeteo) providers.push(openMeteo);
+
+    return providers;
+}
+
+async function fetchWeather(targetDateTime, config) {
+    const providers = buildProviders(config);
+    const weather = {};
+
+    for (const provider of providers) {
+        const result = await provider.fetch({ target: targetDateTime });
+
+        if (!result) continue;
+
+        mergeWeather(weather, result, provider.name);
+
+        const complete = WEATHER_FIELDS.every((field) => hasValue(weather[field]));
+        if (complete) break;
+    }
+
+    return Object.keys(weather).length > 0 ? weather : null;
+}
+
+module.exports = {
+    fetchWeather,
+    hasConfiguredProvider: (config) => buildProviders(config).length > 0,
+    mergeWeather,
+};