willRainSoon from weather API

src/api/weather_api.cpp

@@ -11,6 +11,11 @@ WeatherData fetchWeather() {
     DynamicJsonDocument doc(8192);
     if (deserializeJson(doc, res.body)) { data.valid = false; return data; }
 
+    data.willRainSoon = doc["willRainSoon"] | false;
+
+    JsonObject current = doc["current"];
+    if (deserializeJson(doc, res.body)) { data.valid = false; return data; }
+
     JsonObject current = doc["current"];
     data.current.temperature = current["temperature"] | 0;
     data.current.symbol = current["symbol"] | "";
@@ -31,14 +36,3 @@ WeatherData fetchWeather() {
     data.valid = true;
     return data;
 }
-
-bool willRainSoon(const WeatherData &data, int hours) {
-    if (!data.valid) return false;
-    int checked = 0;
-    for (const auto &entry : data.forecast) {
-        if (checked >= hours) break;
-        if (entry.precipitationType == "rain" && entry.precipitationProbability > 0.0f) return true;
-        checked++;
-    }
-    return false;
-}

src/api/weather_api.h

@@ -19,9 +19,9 @@ struct ForecastEntry {
 
 struct WeatherData {
     bool valid = false;
+    bool willRainSoon = false;
     WeatherCurrent current;
     std::vector<ForecastEntry> forecast;
 };
 
 WeatherData fetchWeather();
-bool willRainSoon(const WeatherData &data, int hours = 8);

src/screens/home_screen.cpp

@@ -57,7 +57,7 @@ void renderHomeScreen(bool forceRefresh) {
         M5.Lcd.setCursor(90, 65);
         M5.Lcd.print(sanitizeGermanText(lastWeather.current.description));
 
-        if (willRainSoon(lastWeather, 8)) {
+        if (lastWeather.willRainSoon) {
             Icons::drawRainWarning(280, 30);
             M5.Lcd.setTextColor(Theme::ACCENT_RAIN, Theme::BG);
             M5.Lcd.setTextSize(1);