some progress on athlete ecor chart (still displaying power data though)

lib/screens/show_athlete_screen.dart

@@ -12,6 +12,7 @@ import 'package:encrateia/widgets/athlete_widgets/athlete_settings_widget.dart';
 import 'package:encrateia/widgets/athlete_widgets/athlete_power_per_heart_rate_widget.dart';
 import 'package:encrateia/widgets/athlete_widgets/athlete_speed_per_heart_rate_widget.dart';
 import 'package:encrateia/widgets/athlete_widgets/athlete_body_weight_widget.dart';
+import 'package:encrateia/widgets/athlete_widgets/athlete_ecor_widget.dart';
 import 'package:encrateia/screens/show_athlete_detail_screen.dart';
 import 'package:encrateia/utils/icon_utils.dart';
 import 'package:flushbar/flushbar.dart';
@@ -92,6 +93,13 @@ class _ShowAthleteScreenState extends State<ShowAthleteScreen> {
               nextWidget:
               AthletePowerPerHeartRateWidget(athlete: widget.athlete),
             ),
+            navigationButton(
+              color: MyColor.navigate,
+              title: "Ecor",
+              icon: MyIcon.power,
+              nextWidget:
+              AthleteEcorWidget(athlete: widget.athlete),
+            ),
             navigationButton(
               color: MyColor.navigate,
               title: "Stride Ratio",

lib/widgets/activity_widgets/activity_form_power_widget.dart

@@ -3,7 +3,7 @@ import 'package:flutter/material.dart';
 import 'package:encrateia/models/activity.dart';
 import 'package:encrateia/models/event.dart';
 import 'package:encrateia/utils/num_utils.dart';
-import '../charts/actitvity_charts/activity_form_power_chart.dart';
+import 'package:encrateia/widgets/charts/actitvity_charts/activity_form_power_chart.dart';
 import 'package:encrateia/utils/icon_utils.dart';
 
 class ActivityFormPowerWidget extends StatefulWidget {

lib/widgets/activity_widgets/activity_ground_time_widget.dart

@@ -3,7 +3,7 @@ import 'package:flutter/material.dart';
 import 'package:encrateia/models/activity.dart';
 import 'package:encrateia/models/event.dart';
 import 'package:encrateia/utils/num_utils.dart';
-import '../charts/actitvity_charts/activity_ground_time_chart.dart';
+import 'package:encrateia/widgets/charts/actitvity_charts/activity_ground_time_chart.dart';
 import 'package:encrateia/utils/icon_utils.dart';
 
 class ActivityGroundTimeWidget extends StatefulWidget {

lib/widgets/activity_widgets/activity_leg_spring_stiffness_widget.dart

@@ -3,7 +3,7 @@ import 'package:flutter/material.dart';
 import 'package:encrateia/models/activity.dart';
 import 'package:encrateia/models/event.dart';
 import 'package:encrateia/utils/num_utils.dart';
-import '../charts/actitvity_charts/activity_leg_spring_stiffness_chart.dart';
+import 'package:encrateia/widgets/charts/actitvity_charts/activity_leg_spring_stiffness_chart.dart';
 import 'package:encrateia/utils/icon_utils.dart';
 
 class ActivityLegSpringStiffnessWidget extends StatefulWidget {

lib/widgets/activity_widgets/activity_power_duration_widget.dart

@@ -2,7 +2,7 @@ import 'package:encrateia/models/athlete.dart';
 import 'package:flutter/material.dart';
 import 'package:encrateia/models/activity.dart';
 import 'package:encrateia/models/event.dart';
-import '../charts/power_duration_chart.dart';
+import 'package:encrateia/widgets/charts/power_duration_chart.dart';
 
 class ActivityPowerDurationWidget extends StatelessWidget {
   final Activity activity;

lib/widgets/activity_widgets/activity_stryd_cadence_widget.dart

@@ -3,7 +3,7 @@ import 'package:flutter/material.dart';
 import 'package:encrateia/models/activity.dart';
 import 'package:encrateia/models/event.dart';
 import 'package:encrateia/utils/num_utils.dart';
-import '../charts/actitvity_charts/activity_stryd_cadence_chart.dart';
+import 'package:encrateia/widgets/charts/actitvity_charts/activity_stryd_cadence_chart.dart';
 import 'package:encrateia/utils/icon_utils.dart';
 
 class ActivityStrydCadenceWidget extends StatefulWidget {

lib/widgets/activity_widgets/activity_vertical_oscillation_widget.dart

@@ -3,7 +3,7 @@ import 'package:flutter/material.dart';
 import 'package:encrateia/models/activity.dart';
 import 'package:encrateia/models/event.dart';
 import 'package:encrateia/utils/num_utils.dart';
-import '../charts/actitvity_charts/activity_vertical_oscillation_chart.dart';
+import 'package:encrateia/widgets/charts/actitvity_charts/activity_vertical_oscillation_chart.dart';
 import 'package:encrateia/utils/icon_utils.dart';
 
 class ActivityVerticalOscillationWidget extends StatefulWidget {

lib/widgets/athlete_widgets/athlete_ecor_widget.dart

+import 'package:encrateia/models/weight.dart';
+import 'package:flutter/material.dart';
+import 'package:encrateia/models/athlete.dart';
+import 'package:encrateia/models/activity.dart';
+import 'package:encrateia/widgets/charts/athlete_charts/athlete_ecor_chart.dart';
+
+class AthleteEcorWidget extends StatefulWidget {
+  final Athlete athlete;
+
+  AthleteEcorWidget({this.athlete});
+
+  @override
+  _AthleteEcorWidgetState createState() => _AthleteEcorWidgetState();
+}
+
+class _AthleteEcorWidgetState extends State<AthleteEcorWidget> {
+  List<Activity> activities = [];
+  double anyWeight;
+
+  @override
+  void initState() {
+    getData();
+    super.initState();
+  }
+
+  @override
+  Widget build(context) {
+    if (activities.length > 0) {
+      var ecorActivities = activities
+          .where((activity) =>
+              activity.db.avgPower != null &&
+              activity.db.avgPower > 0 &&
+              activity.db.avgSpeed != null)
+          .toList();
+
+      if (ecorActivities.length > 0 && anyWeight != null) {
+        return ListTileTheme(
+          iconColor: Colors.orange,
+          child: ListView(
+            padding: EdgeInsets.only(left: 25),
+            children: <Widget>[
+              AthleteEcorChart(activities: ecorActivities),
+            ],
+          ),
+        );
+      } else {
+        return Center(
+          child: Text("No Ecor available."),
+        );
+      }
+    } else {
+      return Center(
+        child: Text("Loading"),
+      );
+    }
+  }
+
+  getData() async {
+    Athlete athlete = widget.athlete;
+    activities = await athlete.activities;
+    anyWeight = await Weight.getBy(
+      athletesId: widget.athlete.db.id,
+      date: DateTime.now(),
+    );
+    setState(() {});
+  }
+}

lib/widgets/athlete_widgets/athlete_power_widget.dart

 import 'package:flutter/material.dart';
 import 'package:encrateia/models/athlete.dart';
 import 'package:encrateia/models/activity.dart';
-import '../charts/athlete_charts/athlete_power_chart.dart';
+import 'package:encrateia/widgets/charts/athlete_charts/athlete_power_chart.dart';
 
 class AthletePowerWidget extends StatefulWidget {
   final Athlete athlete;

lib/widgets/athlete_widgets/athlete_speed_per_heart_rate_widget.dart

 import 'package:flutter/material.dart';
 import 'package:encrateia/models/athlete.dart';
 import 'package:encrateia/models/activity.dart';
-import '../charts/athlete_charts/athlete_speed_per_heart_rate_chart.dart';
+import 'package:encrateia/widgets/charts/athlete_charts/athlete_speed_per_heart_rate_chart.dart';
 
 class AthleteSpeedPerHeartRateWidget extends StatefulWidget {
   final Athlete athlete;

lib/widgets/charts/athlete_charts/athlete_ecor_chart.dart

+import 'package:charts_flutter/flutter.dart';
+import 'package:encrateia/models/activity_list.dart';
+import 'package:flutter/material.dart';
+import 'package:encrateia/models/activity.dart';
+import 'package:encrateia/utils/enums.dart';
+
+class AthleteEcorChart extends StatelessWidget {
+  final List<Activity> activities;
+
+  AthleteEcorChart({@required this.activities});
+
+  @override
+  Widget build(BuildContext context) {
+    int xAxesDays = 60;
+
+    ActivityList(activities: activities).enrichGlidingAverage(
+      quantity: ActivityAttr.avgPower,
+      fullDecay: 30,
+    );
+
+    var recentActivities = activities
+        .where((activity) =>
+    DateTime.now().difference(activity.db.timeCreated).inDays <
+        xAxesDays)
+        .toList();
+
+    var data = [
+      Series<Activity, DateTime>(
+        id: 'ecor',
+        colorFn: (_, __) => MaterialPalette.blue.shadeDefault,
+        domainFn: (Activity activity, _) => activity.db.timeCreated,
+        measureFn: (Activity activity, _) => activity.db.avgPower,
+        data: recentActivities,
+      ),
+      Series<Activity, DateTime>(
+        id: 'gliding_ecor',
+        colorFn: (_, __) => MaterialPalette.green.shadeDefault,
+        domainFn: (Activity activity, _) => activity.db.timeCreated,
+        measureFn: (Activity activity, _) => activity.glidingAvgPower,
+        data: recentActivities,
+      )..setAttribute(rendererIdKey, 'glidingAverageRenderer'),
+    ];
+
+    return new Container(
+      height: 300,
+      child: TimeSeriesChart(
+        data,
+        animate: false,
+        defaultRenderer: LineRendererConfig(
+          includePoints: true,
+          includeLine: false,
+        ),
+        customSeriesRenderers: [
+          LineRendererConfig(
+            customRendererId: 'glidingAverageRenderer',
+            dashPattern: [1, 2],
+          ),
+        ],
+        primaryMeasureAxis: NumericAxisSpec(
+          tickProviderSpec: BasicNumericTickProviderSpec(
+            zeroBound: false,
+            dataIsInWholeNumbers: false,
+            desiredTickCount: 6,
+          ),
+        ),
+        behaviors: [
+          ChartTitle(
+            'Ecor (W s/kg m)',
+            titleStyleSpec: TextStyleSpec(fontSize: 13),
+            behaviorPosition: BehaviorPosition.start,
+            titleOutsideJustification: OutsideJustification.end,
+          ),
+          ChartTitle(
+            'Date',
+            titleStyleSpec: TextStyleSpec(fontSize: 13),
+            behaviorPosition: BehaviorPosition.bottom,
+            titleOutsideJustification: OutsideJustification.end,
+          ),
+        ],
+      ),
+    );
+  }
+}

lib/widgets/lap_widgets/lap_form_power_widget.dart

@@ -2,7 +2,7 @@ import 'package:flutter/material.dart';
 import 'package:encrateia/models/lap.dart';
 import 'package:encrateia/models/event.dart';
 import 'package:encrateia/utils/num_utils.dart';
-import '../charts/lap_charts/lap_form_power_chart.dart';
+import 'package:encrateia/widgets/charts/lap_charts/lap_form_power_chart.dart';
 import 'package:encrateia/utils/icon_utils.dart';
 
 class LapFormPowerWidget extends StatefulWidget {

lib/widgets/lap_widgets/lap_ground_time_widget.dart

@@ -2,7 +2,7 @@ import 'package:flutter/material.dart';
 import 'package:encrateia/models/lap.dart';
 import 'package:encrateia/models/event.dart';
 import 'package:encrateia/utils/num_utils.dart';
-import '../charts/lap_charts/lap_ground_time_chart.dart';
+import 'package:encrateia/widgets/charts/lap_charts/lap_ground_time_chart.dart';
 import 'package:encrateia/utils/icon_utils.dart';
 
 class LapGroundTimeWidget extends StatefulWidget {

lib/widgets/lap_widgets/lap_leg_spring_stiffness_widget.dart

@@ -2,7 +2,7 @@ import 'package:flutter/material.dart';
 import 'package:encrateia/models/lap.dart';
 import 'package:encrateia/models/event.dart';
 import 'package:encrateia/utils/num_utils.dart';
-import '../charts/lap_charts/lap_leg_spring_stiffness_chart.dart';
+import 'package:encrateia/widgets/charts/lap_charts/lap_leg_spring_stiffness_chart.dart';
 import 'package:encrateia/utils/icon_utils.dart';
 
 class LapLegSpringStiffnessWidget extends StatefulWidget {

lib/widgets/lap_widgets/lap_stryd_cadence_widget.dart

@@ -2,7 +2,7 @@ import 'package:flutter/material.dart';
 import 'package:encrateia/models/lap.dart';
 import 'package:encrateia/models/event.dart';
 import 'package:encrateia/utils/num_utils.dart';
-import '../charts/lap_charts/lap_stryd_cadence_chart.dart';
+import 'package:encrateia/widgets/charts/lap_charts/lap_stryd_cadence_chart.dart';
 import 'package:encrateia/utils/icon_utils.dart';
 
 class LapStrydCadenceWidget extends StatefulWidget {

lib/widgets/lap_widgets/lap_vertical_oscillation_widget.dart

@@ -2,7 +2,7 @@ import 'package:flutter/material.dart';
 import 'package:encrateia/models/lap.dart';
 import 'package:encrateia/models/event.dart';
 import 'package:encrateia/utils/num_utils.dart';
-import '../charts/lap_charts/lap_vertical_oscillation_chart.dart';
+import 'package:encrateia/widgets/charts/lap_charts/lap_vertical_oscillation_chart.dart';
 import 'package:encrateia/utils/icon_utils.dart';
 
 class LapVerticalOscillationWidget extends StatefulWidget {