wip: null safety

lib/models/strava_token.dart

@@ -23,7 +23,7 @@ Future<void> load({required encrateia.Athlete athlete}) async {
   await prefs.setString('strava_token_type', athlete.stravaTokenType!);
   await prefs.setString('strava_refreshToken', athlete.stravaRefreshToken!);
 
-  //FIXME: We don't use the Response yet!
+  // FIXME: We don't use the Response yet!
   TokenResponse(
       tokenType: athlete.stravaTokenType!,
       expiresAt: athlete.stravaExpiresAt!,

lib/utils/my_line_chart.dart

@@ -84,24 +84,24 @@ class MyLineChart extends LineChart {
     if (powerZones != null) {
       return NumericExtents(
           powerZones
-                  .map((PowerZone powerZone) => powerZone.lowerLimit)
-                  .reduce(min)! *
+                  .map((PowerZone powerZone) => powerZone.lowerLimit ?? 0)
+                  .reduce(min) *
               0.9,
           powerZones
-                  .map((PowerZone powerZone) => powerZone.upperLimit)
-                  .reduce(max)! *
+                  .map((PowerZone powerZone) => powerZone.upperLimit ?? 0)
+                  .reduce(max) *
               1.1);
     } else if (heartRateZones != null) {
       return NumericExtents(
           heartRateZones
-                  .map(
-                      (HeartRateZone heartRateZone) => heartRateZone.lowerLimit)
-                  .reduce(min)! *
+                  .map((HeartRateZone heartRateZone) =>
+                      heartRateZone.lowerLimit ?? 0)
+                  .reduce(min) *
               0.9,
           heartRateZones
-                  .map(
-                      (HeartRateZone heartRateZone) => heartRateZone.upperLimit)
-                  .reduce(max)! *
+                  .map((HeartRateZone heartRateZone) =>
+                      heartRateZone.upperLimit ?? 0)
+                  .reduce(max) *
               1.1);
     } else if (minimum != null) {
       return NumericExtents(minimum, maximum!);

lib/widgets/activity_widgets/activity_bargraph_widget.dart

@@ -10,12 +10,13 @@ import '/models/heart_rate_zone_schema.dart';
 import '/models/lap.dart';
 import '/models/power_zone.dart';
 import '/models/power_zone_schema.dart';
-import '/utils/pg_text.dart';
 import '/utils/enums.dart';
 import '/utils/my_bar_chart.dart';
+import '/utils/pg_text.dart';
 
 class ActivityBarGraphWidget extends StatefulWidget {
-  const ActivityBarGraphWidget({Key? key,
+  const ActivityBarGraphWidget({
+    Key? key,
     required this.activity,
     required this.athlete,
   }) : super(key: key);
@@ -156,7 +157,8 @@ class _ActivityBarGraphWidgetState extends State<ActivityBarGraphWidget> {
                 MyBarChart(
                   height: 20,
                   value: widget.activity!.avgSpeed!,
-                  maximum: _laps.map((Lap lap) => lap.avgSpeed).reduce(max),
+                  maximum:
+                      _laps.map((Lap lap) => lap.avgSpeed ?? 0).reduce(max),
                 ),
                 PQText(value: widget.activity!.avgSpeed, pq: PQ.paceFromSpeed),
               ]),
@@ -166,7 +168,8 @@ class _ActivityBarGraphWidgetState extends State<ActivityBarGraphWidget> {
                   MyBarChart(
                     height: 20,
                     value: lap.avgSpeed!,
-                    maximum: _laps.map((Lap lap) => lap.avgSpeed).reduce(max),
+                    maximum:
+                        _laps.map((Lap lap) => lap.avgSpeed ?? 0).reduce(max),
                   ),
                   PQText(value: lap.avgSpeed, pq: PQ.paceFromSpeed),
                 ]),

lib/widgets/interval_widgets/interval_altitude_widget.dart

@@ -5,11 +5,11 @@ import 'package:flutter/material.dart';
 import '/models/event.dart';
 import '/models/interval.dart' as encrateia;
 import '/models/record_list.dart';
-import '/utils/pg_text.dart';
 import '/utils/enums.dart';
 import '/utils/icon_utils.dart';
 import '/utils/image_utils.dart' as image_utils;
 import '/utils/my_button.dart';
+import '/utils/pg_text.dart';
 import '/widgets/charts/lap_charts/lap_altitude_chart.dart';
 
 class IntervalAltitudeWidget extends StatefulWidget {
@@ -56,12 +56,12 @@ class _IntervalAltitudeWidgetState extends State<IntervalAltitudeWidget> {
                 child: LapAltitudeChart(
                   records: RecordList<Event>(altitudeRecords),
                   minimum: altitudeRecords
-                      .map((Event record) => record.altitude)
-                      .reduce(min)!
+                      .map((Event record) => record.altitude ?? 0)
+                      .reduce(min)
                       .toDouble(),
                   maximum: altitudeRecords
-                      .map((Event record) => record.altitude)
-                      .reduce(max)!
+                      .map((Event record) => record.altitude ?? 0)
+                      .reduce(max)
                       .toDouble(),
                 ),
               ),

lib/widgets/lap_widgets/lap_altitude_widget.dart

@@ -5,11 +5,11 @@ import 'package:flutter/material.dart';
 import '/models/event.dart';
 import '/models/lap.dart';
 import '/models/record_list.dart';
-import '/utils/pg_text.dart';
 import '/utils/enums.dart';
 import '/utils/icon_utils.dart';
 import '/utils/image_utils.dart' as image_utils;
 import '/utils/my_button.dart';
+import '/utils/pg_text.dart';
 import '/widgets/charts/lap_charts/lap_altitude_chart.dart';
 
 class LapAltitudeWidget extends StatefulWidget {
@@ -56,12 +56,12 @@ class _LapAltitudeWidgetState extends State<LapAltitudeWidget> {
                 child: LapAltitudeChart(
                   records: RecordList<Event>(altitudeRecords),
                   minimum: altitudeRecords
-                      .map((Event record) => record.altitude)
-                      .reduce(min)!
+                      .map((Event record) => record.altitude ?? 0)
+                      .reduce(min)
                       .toDouble(),
                   maximum: altitudeRecords
-                      .map((Event record) => record.altitude)
-                      .reduce(max)!
+                      .map((Event record) => record.altitude ?? 0)
+                      .reduce(max)
                       .toDouble(),
                 ),
               ),