show more days of forecast, enable reload of forecasts

lib/main.dart

@@ -13,12 +13,13 @@ class MyApp extends StatefulWidget {
 }
 
 class _MyAppState extends State<MyApp> {
-  late Future<DailyWeatherModel> futureAlbum;
+  late Future<List<DailyWeatherModel>> dailyWeather;
 
   @override
   void initState() {
     super.initState();
-    futureAlbum = BrightSkyAPI.fetchForecast(DateTime.now());
+    dailyWeather = BrightSkyAPI.fetchForecastForTimeRange(
+        DateTime.now(), DateTime.now().add(const Duration(days: 7)));
   }
 
   @override
@@ -34,25 +35,40 @@ class _MyAppState extends State<MyApp> {
         ),
       ),
       home: Scaffold(
-        appBar: AppBar(
-          title: const Text('Wetter heute in Harburg'),
-        ),
-        body: Center(
-          child: FutureBuilder<DailyWeatherModel>(
-            future: futureAlbum,
-            builder: (context, snapshot) {
-              if (snapshot.hasData) {
-                return CompactWeatherData(snapshot.data!);
-              } else if (snapshot.hasError) {
-                return Text('${snapshot.error}');
-              }
-
-              // By default, show a loading spinner.
-              return const CircularProgressIndicator();
-            },
+          appBar: AppBar(
+            title: const Text('Wetter in Harburg'),
           ),
-        ),
-      ),
+          body: RefreshIndicator(
+              onRefresh: () {
+                return Future(() {
+                  setState(() {
+                    dailyWeather = BrightSkyAPI.fetchForecastForTimeRange(
+                        DateTime.now(),
+                        DateTime.now().add(const Duration(days: 7)));
+                  });
+                });
+              },
+              child: SingleChildScrollView(
+                physics: const AlwaysScrollableScrollPhysics(),
+                child: Center(
+                  child: FutureBuilder<List<DailyWeatherModel>>(
+                    future: dailyWeather,
+                    builder: (context, snapshot) {
+                      if (snapshot.hasData) {
+                        return Column(
+                            children: snapshot.data!
+                                .map((e) => CompactWeatherData(e))
+                                .toList());
+                      } else if (snapshot.hasError) {
+                        return Text('${snapshot.error}');
+                      }
+
+                      // By default, show a loading spinner.
+                      return const CircularProgressIndicator();
+                    },
+                  ),
+                ),
+              ))),
     );
   }
 }