Implement budget handling

1 files changed, 59 insertions, 0 deletions

diff --git a/testFrontend/SafeNSound.FakeUser/UserService.cs b/testFrontend/SafeNSound.FakeUser/UserService.cs
new file mode 100644

index 0000000..e717458
--- /dev/null
+++ b/testFrontend/SafeNSound.FakeUser/UserService.cs
@@ -0,0 +1,59 @@
+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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