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namespace SafeNSound.FakeUser;
public class UserService(ILogger<UserService> logger, UserStore userStore) : IHostedService {
private Task _alarmTask, _spendBudgetTask;
private readonly CancellationTokenSource _cts = new();
public async Task StartAsync(CancellationToken cancellationToken) {
_alarmTask = ManageAlarms(_cts.Token);
_spendBudgetTask = AssignBudget(_cts.Token);
}
private static readonly string[] validReasons = ["fall", "toilet"];
private async Task ManageAlarms(CancellationToken cancellationToken) {
while (!cancellationToken.IsCancellationRequested) {
try {
var user = userStore.GetRandomUser();
var currentAlarm = await user.Client!.GetAlarm();
if (currentAlarm is null) {
await user.Client!.SetAlarm(new Sdk.AlarmDto {
Reason = Random.Shared.GetItems(validReasons, 1).First()
});
}
else {
await user.Client!.DeleteAlarm();
}
}
catch (Exception ex) {
logger.LogError(ex, "Error setting/deleting alarm");
}
await Task.Delay(TimeSpan.FromMilliseconds(250), cancellationToken);
}
}
private async Task AssignBudget(CancellationToken cancellationToken) {
while (!cancellationToken.IsCancellationRequested) {
try {
var user = userStore.GetRandomUser();
var budget = await user.Client!.GetBudget();
await user.Client!.SpendBudget(new() {
Amount = Math.Min(budget.Amount, Random.Shared.NextDouble()),
Reason = "Random budget spending",
Venue = "The Store"
});
await Task.Delay(TimeSpan.FromSeconds(1), cancellationToken);
}
catch (Exception ex) {
logger.LogError(ex, "Error spending budget");
}
}
}
public async Task StopAsync(CancellationToken cancellationToken) {
await _cts.CancelAsync();
await _alarmTask;
await _spendBudgetTask;
}
}
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