From 3d9bc99c2ae652ef8df393e20e53ff69ed6d3a69 Mon Sep 17 00:00:00 2001
From: RuiAlonso <rui.alonso@verygood.ventures>
Date: Wed, 16 Mar 2022 18:59:32 +0100
Subject: [PATCH] feat: added bloc for request ranking

---
 lib/leaderboard/bloc/leaderboard_bloc.dart  | 59 +++++++++++++++++++++
 lib/leaderboard/bloc/leaderboard_event.dart | 10 ++++
 lib/leaderboard/bloc/leaderboard_state.dart | 43 +++++++++++++++
 lib/leaderboard/leaderboard.dart            |  1 +
 4 files changed, 113 insertions(+)
 create mode 100644 lib/leaderboard/bloc/leaderboard_bloc.dart
 create mode 100644 lib/leaderboard/bloc/leaderboard_event.dart
 create mode 100644 lib/leaderboard/bloc/leaderboard_state.dart
 create mode 100644 lib/leaderboard/leaderboard.dart

diff --git a/lib/leaderboard/bloc/leaderboard_bloc.dart b/lib/leaderboard/bloc/leaderboard_bloc.dart
new file mode 100644
index 00000000..f580ed61
--- /dev/null
+++ b/lib/leaderboard/bloc/leaderboard_bloc.dart
@@ -0,0 +1,59 @@
+import 'dart:async';
+
+import 'package:bloc/bloc.dart';
+import 'package:equatable/equatable.dart';
+import 'package:pinball_theme/pinball_theme.dart';
+
+part 'leaderboard_event.dart';
+part 'leaderboard_state.dart';
+
+class LeaderboardBloc extends Bloc<LeaderboardEvent, LeaderboardState> {
+  LeaderboardBloc() : super(const LeaderboardState()) {
+    on<LeaderboardRequested>(_onLeaderboardRequested);
+  }
+
+  FutureOr<void> _onLeaderboardRequested(
+    LeaderboardRequested event,
+    Emitter<LeaderboardState> emit,
+  ) {
+    emit(state.copyWith(status: LeaderboardStatus.loading));
+    try {
+      const ranking = <Competitor>[
+        Competitor(
+          rank: 1,
+          characterTheme: DashTheme(),
+          initials: 'ABC',
+          score: 100,
+        ),
+        Competitor(
+          rank: 2,
+          characterTheme: SparkyTheme(),
+          initials: 'DEF',
+          score: 200,
+        ),
+        Competitor(
+          rank: 3,
+          characterTheme: AndroidTheme(),
+          initials: 'GHI',
+          score: 300,
+        ),
+        Competitor(
+          rank: 4,
+          characterTheme: DinoTheme(),
+          initials: 'JKL',
+          score: 400,
+        ),
+      ];
+
+      emit(
+        state.copyWith(
+          status: LeaderboardStatus.success,
+          ranking: ranking,
+        ),
+      );
+    } catch (error, _) {
+      emit(state.copyWith(status: LeaderboardStatus.error));
+      addError(error);
+    }
+  }
+}
diff --git a/lib/leaderboard/bloc/leaderboard_event.dart b/lib/leaderboard/bloc/leaderboard_event.dart
new file mode 100644
index 00000000..48123221
--- /dev/null
+++ b/lib/leaderboard/bloc/leaderboard_event.dart
@@ -0,0 +1,10 @@
+part of 'leaderboard_bloc.dart';
+
+abstract class LeaderboardEvent extends Equatable {
+  const LeaderboardEvent();
+
+  @override
+  List<Object?> get props => [];
+}
+
+class LeaderboardRequested extends LeaderboardEvent {}
diff --git a/lib/leaderboard/bloc/leaderboard_state.dart b/lib/leaderboard/bloc/leaderboard_state.dart
new file mode 100644
index 00000000..7d2a43b8
--- /dev/null
+++ b/lib/leaderboard/bloc/leaderboard_state.dart
@@ -0,0 +1,43 @@
+part of 'leaderboard_bloc.dart';
+
+enum LeaderboardStatus { loading, success, error }
+
+class LeaderboardState extends Equatable {
+  const LeaderboardState({
+    this.status = LeaderboardStatus.loading,
+    this.ranking = const [],
+  });
+
+  final LeaderboardStatus status;
+  final List<Competitor> ranking;
+
+  @override
+  List<Object> get props => [status, ranking];
+
+  LeaderboardState copyWith({
+    LeaderboardStatus? status,
+    List<Competitor>? ranking,
+  }) {
+    return LeaderboardState(
+      status: status ?? this.status,
+      ranking: ranking ?? this.ranking,
+    );
+  }
+}
+
+class Competitor extends Equatable {
+  const Competitor({
+    required this.rank,
+    required this.characterTheme,
+    required this.initials,
+    required this.score,
+  });
+
+  final int rank;
+  final CharacterTheme characterTheme;
+  final String initials;
+  final int score;
+
+  @override
+  List<Object?> get props => [rank, characterTheme, initials, score];
+}
diff --git a/lib/leaderboard/leaderboard.dart b/lib/leaderboard/leaderboard.dart
new file mode 100644
index 00000000..13d71e40
--- /dev/null
+++ b/lib/leaderboard/leaderboard.dart
@@ -0,0 +1 @@
+export 'bloc/leaderboard_bloc.dart';