Merge remote-tracking branch 'origin/development' into feature/206-Neuer-Regelsatz-Platzierung

# Conflicts:
#	lib/l10n/arb/app_de.arb
#	lib/l10n/arb/app_en.arb
#	lib/l10n/generated/app_localizations.dart
#	lib/l10n/generated/app_localizations_de.dart
#	lib/l10n/generated/app_localizations_en.dart

lib/core/common.dart

@@ -1,4 +1,4 @@
-import 'package:flutter/cupertino.dart';
+import 'package:flutter/material.dart';
 import 'package:tallee/core/enums.dart';
 import 'package:tallee/data/models/match.dart';
 import 'package:tallee/data/models/player.dart';
@@ -23,8 +23,71 @@ String translateRulesetToString(Ruleset ruleset, BuildContext context) {
   }
 }
 
-/// Counts how many players in the match are not part of the group
-/// Returns the count as a string, or an empty string if there is no group
+/// Translates a [GameColor] enum value to its corresponding localized string.
+String translateGameColorToString(GameColor color, BuildContext context) {
+  final loc = AppLocalizations.of(context);
+  switch (color) {
+    case GameColor.red:
+      return loc.color_red;
+    case GameColor.blue:
+      return loc.color_blue;
+    case GameColor.green:
+      return loc.color_green;
+    case GameColor.yellow:
+      return loc.color_yellow;
+    case GameColor.purple:
+      return loc.color_purple;
+    case GameColor.orange:
+      return loc.color_orange;
+    case GameColor.pink:
+      return loc.color_pink;
+    case GameColor.teal:
+      return loc.color_teal;
+  }
+}
+
+/// Returns the [Color] object corresponding to a [GameColor] enum value.
+Color getColorFromGameColor(GameColor color) {
+  switch (color) {
+    case GameColor.red:
+      return Colors.red;
+    case GameColor.blue:
+      return Colors.blue;
+    case GameColor.green:
+      return Colors.green;
+    case GameColor.yellow:
+      return const Color(0xFFF7CA28);
+    case GameColor.purple:
+      return Colors.purple;
+    case GameColor.orange:
+      return const Color(0xFFef681f);
+    case GameColor.pink:
+      return Colors.pink;
+    case GameColor.teal:
+      return Colors.teal;
+  }
+}
+
+/// Returns [IconData] corresponding to a [Ruleset] enum value.
+IconData getRulesetIcon(Ruleset ruleset) {
+  switch (ruleset) {
+    case Ruleset.highestScore:
+      return Icons.arrow_upward;
+    case Ruleset.lowestScore:
+      return Icons.arrow_downward;
+    case Ruleset.singleWinner:
+      return Icons.emoji_events;
+    case Ruleset.singleLoser:
+      return Icons.sentiment_dissatisfied;
+    case Ruleset.multipleWinners:
+      return Icons.group;
+  }
+}
+
+/// Counts how many players in the [match] are not part of the group
+///
+/// Returns the text you append after the group name, e.g. " + 5" or an empty
+/// string if there are no extra players
 String getExtraPlayerCount(Match match) {
   int count = 0;