From 54c382306416513a7cecc21ee1ef3dbe4d7deb13 Mon Sep 17 00:00:00 2001
From: Andreas Fahrecker <AndreasFahrecker@gmail.com>
Date: Tue, 13 Oct 2020 15:08:59 +0200
Subject: [PATCH] Fixed error in app state reducer and implemented new actions
 in timer reducer

Signed-off-by: Andreas Fahrecker <AndreasFahrecker@gmail.com>
---
 lib/reducers/app_state_reducer.dart |  5 ++---
 lib/reducers/timer_reducer.dart     | 31 +++++++++++++++++++++++++----
 2 files changed, 29 insertions(+), 7 deletions(-)

diff --git a/lib/reducers/app_state_reducer.dart b/lib/reducers/app_state_reducer.dart
index 1f4673e..7beccd0 100644
--- a/lib/reducers/app_state_reducer.dart
+++ b/lib/reducers/app_state_reducer.dart
@@ -1,7 +1,6 @@
-import 'package:time_progress_calculator/actions/timer_actions.dart';
 import 'package:time_progress_calculator/models/app_state.dart';
 import 'package:time_progress_calculator/reducers/timer_reducer.dart';
 
-AppState appReducer(AppState state, Action action) {
-  return AppState(timer: timersReducer(state.timer, action));
+AppState appStateReducer(AppState state, dynamic action) {
+  return AppState(timers: timersReducer(state.timers, action));
 }
diff --git a/lib/reducers/timer_reducer.dart b/lib/reducers/timer_reducer.dart
index 4a741a6..3500ca6 100644
--- a/lib/reducers/timer_reducer.dart
+++ b/lib/reducers/timer_reducer.dart
@@ -2,9 +2,32 @@ import 'package:time_progress_calculator/actions/timer_actions.dart';
 import 'package:time_progress_calculator/models/timer.dart';
 import 'package:redux/redux.dart';
 
-final timersReducer = combineReducers<Timer>(
-    [TypedReducer<Timer, UpdateTimerAction>(_updateTimer)]);
+final timersReducer = combineReducers<List<Timer>>([
+  TypedReducer<List<Timer>, TimersLoadedAction>(_setLoadedTimers),
+  TypedReducer<List<Timer>, TimersNotLoadedAction>(_setEmptyTimers),
+  TypedReducer<List<Timer>, AddTimerAction>(_addTimer),
+  TypedReducer<List<Timer>, UpdateTimerAction>(_updateTimer),
+  TypedReducer<List<Timer>, DeleteTimerAction>(_deleteTimer),
+]);
 
-Timer _updateTimer(Timer timer, UpdateTimerAction action) {
-  return action.updatedTimer;
+List<Timer> _setLoadedTimers(List<Timer> timers, TimersLoadedAction action) {
+  return action.timers;
+}
+
+List<Timer> _setEmptyTimers(List<Timer> timers, TimersNotLoadedAction action) {
+  return [];
+}
+
+List<Timer> _addTimer(List<Timer> timers, AddTimerAction action) {
+  return List.from(timers, growable: false)..add(action.timer);
+}
+
+List<Timer> _updateTimer(List<Timer> timers, UpdateTimerAction action) {
+  return timers
+      .map((timer) => timer.id == action.id ? action.updatedTimer : timer)
+      .toList(growable: false);
+}
+
+List<Timer> _deleteTimer(List<Timer> timers, DeleteTimerAction action) {
+  return timers.where((timer) => timer.id != action.id).toList(growable: false);
 }