Merge pull request 'StatisticsView erstellen' (#30) from feature/6-statisticsview-erstellen into development

Reviewed-on: #30
Reviewed-by: mathiskir <mathis.kirchner.mk@gmail.com>

lib/presentation/views/main_menu/statistics_view.dart

@@ -89,7 +89,7 @@ class _StatisticsViewState extends State<StatisticsView> {
                   ),
                   SizedBox(height: constraints.maxHeight * 0.02),
                   StatisticsTile(
-                    icon: Icons.casino,
+                    icon: Icons.percent,
                     title: 'Winrate per Player',
                     width: constraints.maxWidth * 0.95,
                     values: winRates,
@@ -105,7 +105,6 @@ class _StatisticsViewState extends State<StatisticsView> {
                     itemCount: 10,
                     barColor: Colors.green,
                   ),
-
                   SizedBox(height: MediaQuery.paddingOf(context).bottom),
                 ],
               ),
@@ -129,6 +128,7 @@ class _StatisticsViewState extends State<StatisticsView> {
       final winner = game.winner;
       if (winner != null) {
         final index = winCounts.indexWhere((entry) => entry.$1 == winner.id);
+        // -1 means winner not found in winCounts
         if (index != -1) {
           final current = winCounts[index].$2;
           winCounts[index] = (winner.id, current + 1);
@@ -141,6 +141,7 @@ class _StatisticsViewState extends State<StatisticsView> {
     // Adding all players with zero wins
     for (var player in players) {
       final index = winCounts.indexWhere((entry) => entry.$1 == player.id);
+      // -1 means player not found in winCounts
       if (index == -1) {
         winCounts.add((player.id, 0));
       }
@@ -175,6 +176,7 @@ class _StatisticsViewState extends State<StatisticsView> {
         final members = game.group!.members.map((p) => p.id).toList();
         for (var playerId in members) {
           final index = gameCounts.indexWhere((entry) => entry.$1 == playerId);
+          // -1 means player not found in gameCounts
           if (index != -1) {
             final current = gameCounts[index].$2;
             gameCounts[index] = (playerId, current + 1);
@@ -187,6 +189,7 @@ class _StatisticsViewState extends State<StatisticsView> {
         final members = game.players!.map((p) => p.id).toList();
         for (var playerId in members) {
           final index = gameCounts.indexWhere((entry) => entry.$1 == playerId);
+          // -1 means player not found in gameCounts
           if (index != -1) {
             final current = gameCounts[index].$2;
             gameCounts[index] = (playerId, current + 1);
@@ -200,6 +203,7 @@ class _StatisticsViewState extends State<StatisticsView> {
     // Adding all players with zero games
     for (var player in players) {
       final index = gameCounts.indexWhere((entry) => entry.$1 == player.id);
+      // -1 means player not found in gameCounts
       if (index == -1) {
         gameCounts.add((player.id, 0));
       }

lib/presentation/widgets/tiles/statistics_tile.dart

@@ -80,7 +80,9 @@ class StatisticsTile extends StatelessWidget {
                     const Spacer(),
                     Center(
                       child: Text(
-                        values[index].$2.toString(),
+                        values[index].$2 <= 1
+                            ? values[index].$2.toStringAsFixed(2)
+                            : values[index].$2.toString(),
                         textAlign: TextAlign.center,
                         style: const TextStyle(
                           fontSize: 16,