Record team stats

canopas · Nov 29, 2024 · b8e7ee3 · b8e7ee3
1 parent 1bf099e
commit b8e7ee3
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Showing 15 changed files with 805 additions and 692 deletions.
diff --git a/data/lib/api/match/match_model.dart b/data/lib/api/match/match_model.dart
@@ -346,128 +346,71 @@ enum MatchGroup {
   const MatchGroup(this.value);
 }
 
-@freezed
-class TeamMatchStatus with _$TeamMatchStatus {
-  const factory TeamMatchStatus({
-    @Default(0) int win,
-    @Default(0) int tie,
-    @Default(0) int lost,
-  }) = _TeamMatchStatus;
-}
-
-@freezed
-class TeamStat with _$TeamStat {
-  const factory TeamStat({
-    @Default(0) int played,
-    @Default(TeamMatchStatus()) TeamMatchStatus status,
-    @Default(0) int runs,
-    @Default(0) int wickets,
-    @Default(0.0) double batting_average,
-    @Default(0.0) double bowling_average,
-    @Default(0) int highest_runs,
-    @Default(0) int lowest_runs,
-    @Default(0.0) double run_rate,
-  }) = _TeamStat;
-}
-
-extension TeamStatExtension on List<MatchModel> {
-  TeamStat teamStat(String teamId) {
-    if (isEmpty) return const TeamStat();
-
-    var runs = 0;
-    var wickets = 0;
-    var battingAverageTotal = 0.0;
-    var bowlingAverageTotal = 0.0;
-    var highestRuns = 0;
-    var lowestRuns = double.maxFinite.toInt();
+extension SingleMatchTeamStatExtension on MatchModel {
+  TeamStat updateTeamStat(String teamId, TeamStat currentStat) {
+    final team = _getTeam(teamId);
+    final opponentTeam = _getOpponentTeam(teamId);
 
-    for (final match in this) {
-      final team = _getTeam(match, teamId);
-      final opponentTeam = _getOpponentTeam(match, teamId);
+    final matchRuns = team.run;
+    final matchWickets = team.wicket;
+    final battingAverage =
+        opponentTeam.wicket > 0 ? matchRuns / opponentTeam.wicket : 0.0;
+    final bowlingAverage =
+        matchWickets > 0 ? opponentTeam.run / matchWickets : 0.0;
 
-      runs += team.run;
-      wickets += team.wicket;
+    final result = _matchResult(teamId, team.run, opponentTeam.run);
 
-      battingAverageTotal +=
-          opponentTeam.wicket > 0 ? team.run / opponentTeam.wicket : 0;
-      if (team.wicket > 0) {
-        bowlingAverageTotal += opponentTeam.run / team.wicket;
-      }
+    final totalOvers = currentStat.run_rate > 0
+        ? _computeOvers(currentStat.runs, currentStat.run_rate)
+        : 0.0;
 
-      if (team.run > highestRuns) highestRuns = team.run;
-      if (team.run < lowestRuns) lowestRuns = team.run;
-    }
-
-    final bowlingAverage = length > 0.0 ? bowlingAverageTotal / length : 0.0;
+    final matchOvers = team.over;
+    final updatedOvers = totalOvers + matchOvers;
 
     return TeamStat(
-      played: length,
-      status: _teamMatchStatus(teamId),
-      run_rate: _runRate(teamId, runs),
-      runs: runs,
-      wickets: wickets,
-      batting_average: battingAverageTotal,
-      bowling_average: bowlingAverage,
-      highest_runs: highestRuns,
-      lowest_runs: lowestRuns == double.maxFinite.toInt() ? 0 : lowestRuns,
-    );
-  }
-
-  TeamMatchStatus _teamMatchStatus(String teamId) {
-    return fold<TeamMatchStatus>(
-      const TeamMatchStatus(),
-      (status, match) {
-        final firstTeam = match.teams.firstWhere(
-          (team) =>
-              team.team.id ==
-              (match.toss_decision == TossDecision.bat
-                  ? match.toss_winner_id
-                  : match.teams
-                      .firstWhere(
-                        (team) => team.team.id != match.toss_winner_id,
-                      )
-                      .team
-                      .id),
-        );
-
-        final secondTeam =
-            match.teams.firstWhere((team) => team.team.id != firstTeam.team.id);
-
-        if (firstTeam.run == secondTeam.run) {
-          return TeamMatchStatus(
-            win: status.win,
-            lost: status.lost,
-            tie: status.tie + 1,
-          );
-        } else if ((firstTeam.run > secondTeam.run &&
-                firstTeam.team.id == teamId) ||
-            (firstTeam.run < secondTeam.run && secondTeam.team.id == teamId)) {
-          return TeamMatchStatus(
-            win: status.win + 1,
-            lost: status.lost,
-            tie: status.tie,
-          );
-        } else {
-          return TeamMatchStatus(
-            win: status.win,
-            lost: status.lost + 1,
-            tie: status.tie,
-          );
-        }
-      },
+      played: currentStat.played + 1,
+      status: TeamMatchStatus(
+        win: currentStat.status.win + result.win,
+        lost: currentStat.status.lost + result.lost,
+        tie: currentStat.status.tie + result.tie,
+      ),
+      run_rate: updatedOvers > 0
+          ? (currentStat.runs + matchRuns) / updatedOvers
+          : 0.0,
+      runs: currentStat.runs + matchRuns,
+      wickets: currentStat.wickets + matchWickets,
+      batting_average: currentStat.batting_average + battingAverage,
+      bowling_average: currentStat.played > 0
+          ? (currentStat.bowling_average + bowlingAverage) / currentStat.played
+          : 0.0,
+      highest_runs: matchRuns > currentStat.highest_runs
+          ? matchRuns
+          : currentStat.highest_runs,
+      lowest_runs: currentStat.lowest_runs == 0
+          ? matchRuns
+          : matchRuns < currentStat.lowest_runs
+              ? matchRuns
+              : currentStat.lowest_runs,
     );
   }
 
-  MatchTeamModel _getTeam(MatchModel match, String teamId) =>
-      match.teams.firstWhere((team) => team.team.id == teamId);
+  MatchTeamModel _getTeam(String teamId) =>
+      teams.firstWhere((team) => team.team.id == teamId);
 
-  MatchTeamModel _getOpponentTeam(MatchModel match, String teamId) =>
-      match.teams.firstWhere((team) => team.team.id != teamId);
+  MatchTeamModel _getOpponentTeam(String teamId) =>
+      teams.firstWhere((team) => team.team.id != teamId);
 
-  double _runRate(String teamId, int runs) {
-    final totalOvers = map((match) => _getTeam(match, teamId))
-        .fold<double>(0.0, (total, team) => total + team.over);
+  TeamMatchStatus _matchResult(String teamId, int teamRun, int opponentRun) {
+    if (teamRun == opponentRun) {
+      return TeamMatchStatus(tie: 1);
+    } else if (teamRun > opponentRun) {
+      return TeamMatchStatus(win: 1);
+    } else {
+      return TeamMatchStatus(win: 0);
+    }
+  }
 
-    return totalOvers > 0 ? runs / totalOvers : 0;
+  double _computeOvers(int runs, double runRate) {
+    return runRate > 0 ? runs / runRate : 0.0;
   }
 }