public async Task ExampleUsage2()
{
var t = Log.MethodEntered("DataStoreExample2.ExampleUsage2");
// Add a thunk middleware to allow dispatching async actions:
var thunkMiddleware = Middlewares.NewThunkMiddleware <MyAppState1>();
// aDD A logging middleware to log all dispatched actions:
var loggingMiddleware = Middlewares.NewLoggingMiddleware <MyAppState1>();
// Add a recorder middleware to enable hot reload by replaying previously recorded actions:
var recorder = new ReplayRecorder <MyAppState1>();
var recMiddleware = recorder.CreateMiddleware();
var undoable = new UndoRedoReducer <MyAppState1>();
// To allow undo redo on the full store wrap the main reducer with the undo reducer:
var undoReducer = undoable.Wrap(MyReducers1.ReduceMyAppState1);
var data = new MyAppState1(null, null, 0); // the initial immutable state
var store = new DataStore <MyAppState1>(undoReducer, data, loggingMiddleware, recMiddleware, thunkMiddleware);
store.storeName = "Store 1";
TestNormalDispatchOfActions(store);
TestUndoAndRedo(store);
await TestAsyncActions(store);
await TestReplayRecorder(recorder, store);
TestSkippableUndoActions(store);
Log.MethodDone(t);
}
public async Task ExampleUsage1()
{
var t = Log.MethodEntered("DataStoreExample3.ExampleUsage1");
// Add a thunk middleware to allow dispatching async actions:
var thunkMiddleware = Middlewares.NewThunkMiddleware <MyAppState1>();
// aDD A logging middleware to log all dispatched actions:
var loggingMiddleware = Middlewares.NewLoggingMiddleware <MyAppState1>();
var serverOutboxHandler = new ServerOutboxHandler <MyAppState1>();
// To allow undo redo on the full store wrap the main reducer with the undo reducer:
var outboxReducer = serverOutboxHandler.Wrap(MyReducers1.ReduceMyAppState1);
var initialState = new MyAppState1(); // the initial immutable state
var store = new DataStore <MyAppState1>(outboxReducer, initialState, loggingMiddleware, thunkMiddleware);
IoC.inject.SetSingleton(store);
store.storeName = "Store 3";
{ // Do a login which is an async server action that cant be cached optimistically and wont work offline:
Func <Task> asyncLoginTask = async() => {
await TaskV2.Delay(100);
store.Dispatch(new ActionUserLoggedIn()
{
newLoggedInUser = new MyUser1("*****@*****.**")
});
};
await(store.Dispatch(asyncLoginTask) as Task);
}
{ // Change the email a first time:
var a = new ActionOnUser.ChangeEmail()
{
targetEmail = "*****@*****.**", newEmail = "*****@*****.**"
};
store.Dispatch(a);
Assert.Equal(a, store.GetState().serverOutbox.serverActions.First());
Assert.False(store.GetState().user.emailConfirmed);
}
{ // Change the email a second time:
var a = new ActionOnUser.ChangeEmail()
{
targetEmail = "*****@*****.**", newEmail = "*****@*****.**"
};
store.Dispatch(a);
Assert.Equal(a, store.GetState().serverOutbox.serverActions.Last());
}
Assert.Equal(2, store.GetState().serverOutbox.serverActions.Count);
await store.SyncWithServer(store.GetState().serverOutbox.serverActions.First());
Assert.Single(store.GetState().serverOutbox.serverActions);
await store.SyncWithServer(store.GetState().serverOutbox.serverActions.First());
Assert.Empty(store.GetState().serverOutbox.serverActions);
Assert.True(store.GetState().user.emailConfirmed);
{ // Simulate a server task that has a timeout:
var a = new ActionOnUser.ChangeEmail()
{
targetEmail = "*****@*****.**", newEmail = "*****@*****.**", simulateOneTimeout = true
};
store.Dispatch(a);
Assert.Single(store.GetState().serverOutbox.serverActions);
Assert.False(store.GetState().user.emailConfirmed);
await store.SyncWithServer(a);
Assert.Empty(store.GetState().serverOutbox.serverActions);
Assert.Equal(2, a.sentToServerCounter);
Assert.True(store.GetState().user.emailConfirmed);
}
{ // Simulate the server rejecting an email change:
var a = new ActionOnUser.ChangeEmail()
{
targetEmail = "*****@*****.**", newEmail = "*****@*****.**", simulateError = true
};
store.Dispatch(a);
await store.SyncWithServer(a);
Assert.Empty(store.GetState().serverOutbox.serverActions);
Assert.Equal("*****@*****.**", store.GetState().user.email);
Assert.True(store.GetState().user.emailConfirmed);
}
{ // Test persisting and restoring the full store and continue with the pending server requests:
store.Dispatch(new ActionOnUser.ChangeEmail()
{
targetEmail = "*****@*****.**", newEmail = "*****@*****.**"
});
store.Dispatch(new ActionOnUser.ChangeEmail()
{
targetEmail = "*****@*****.**", newEmail = "*****@*****.**"
});
Assert.Equal(2, store.GetState().serverOutbox.serverActions.Count);
Assert.False(store.GetState().user.emailConfirmed);
Assert.Equal("*****@*****.**", store.GetState().user.email);
// Simulate persisiting the store to disk and back into memory:
string persistedStateJson = TypedJsonHelper.NewTypedJsonWriter().Write(store.GetState());
store.Destroy(); // Destroy the old store before loading the state again into an new store
var data2 = TypedJsonHelper.NewTypedJsonReader().Read <MyAppState1>(persistedStateJson);
var store2 = new DataStore <MyAppState1>(outboxReducer, data2, loggingMiddleware, thunkMiddleware);
IoC.inject.SetSingleton(store2, overrideExisting: true);
store2.storeName = "Store 3 (2)";
Assert.Equal(2, store2.GetState().serverOutbox.serverActions.Count);
Assert.False(store2.GetState().user.emailConfirmed);
Assert.Equal("*****@*****.**", store2.GetState().user.email);
// Sync the pending server tasks one after another:
foreach (var serverAction in store2.GetState().serverOutbox.serverActions)
{
await store2.SyncWithServer(serverAction);
}
Assert.True(store2.GetState().user.emailConfirmed);
Assert.NotNull(store2.GetState().serverOutbox);
Assert.Empty(store2.GetState().serverOutbox.serverActions);
}
}
