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Update Broadcast button: diff before push, offline=local only, live=API; Go Live empty-field prompt

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This commit is contained in:
Llama Chile Shop
2026-08-25 17:25:25 -07:00
parent add024a68d
commit 89ab83be2e
4 changed files with 123 additions and 7 deletions
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Services/LiveBroadcastFormViewModel.cs
+37 -5
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@@ -21,6 +21,7 @@ public sealed class LiveBroadcastFormViewModel : ViewModelBase
private readonly Func<LayoutStore> _store;
private readonly Func<YouTubeStreamService?> _streamService;
private readonly Func<string?> _broadcastId;
private readonly Func<bool> _isLive;
private string _title = string.Empty;
private string _description = string.Empty;
@@ -31,15 +32,18 @@ public sealed class LiveBroadcastFormViewModel : ViewModelBase
private bool _isDrawerOpen;
private bool _isUpdating;
private string? _updateError;
private BroadcastMetadata? _lastSyncedSnapshot;
public LiveBroadcastFormViewModel(
Func<LayoutStore> store,
Func<YouTubeStreamService?> streamService,
Func<string?> broadcastId)
Func<string?> broadcastId,
Func<bool>? isLive = null)
{
_store = store;
_streamService = streamService;
_broadcastId = broadcastId;
_isLive = isLive ?? (() => false);
UpdateBroadcastCommand = new RelayCommand(_ => _ = UpdateRemoteAsync(), _ => CanUpdateRemote);
ToggleDrawerCommand = new RelayCommand(_ => IsDrawerOpen = !IsDrawerOpen);
CloseDrawerCommand = new RelayCommand(_ => IsDrawerOpen = false);
@@ -92,9 +96,10 @@ public sealed class LiveBroadcastFormViewModel : ViewModelBase
private set => SetProperty(ref _updateError, value);
}
public bool CanUpdateRemote => !string.IsNullOrEmpty(_broadcastId()) && !IsUpdating;
public bool CanUpdateRemote => !IsUpdating;
/// <summary>Pull everything from the store (startup / Go Live refresh).</summary>
/// <summary>Pull everything from the store (startup / Go Live refresh).
/// Seeds the synced snapshot so the next Update click knows what is already remote.</summary>
public void Load()
{
var meta = _store().LoadBroadcastMetadata();
@@ -110,6 +115,7 @@ public sealed class LiveBroadcastFormViewModel : ViewModelBase
OnPropertyChanged(nameof(Visibility));
OnPropertyChanged(nameof(MadeForKids));
OnPropertyChanged(nameof(ScheduledStartText));
SnapshotSynced();
}
/// <summary>Called at Go Live with what was actually inserted remotely.</summary>
@@ -119,6 +125,7 @@ public sealed class LiveBroadcastFormViewModel : ViewModelBase
Description = description;
ScheduledStartTime = scheduledStart;
UpdateError = null;
SnapshotSynced();
}
public BroadcastMetadata ToMetadata() => new()
@@ -147,13 +154,36 @@ public sealed class LiveBroadcastFormViewModel : ViewModelBase
{
var id = _broadcastId();
var service = _streamService();
if (id == null || service == null || IsUpdating) return;
if (IsUpdating) return;
IsUpdating = true;
UpdateError = null;
try
{
var error = await service.UpdateBroadcast(id, ToMetadata());
var current = ToMetadata();
if (!_isLive())
{
UpdateError = null;
IsDrawerOpen = false;
return;
}
if (id == null || service == null)
{
UpdateError = null;
IsDrawerOpen = false;
return;
}
if (_lastSyncedSnapshot != null && current.Equals(_lastSyncedSnapshot))
{
UpdateError = "No changes to update";
return;
}
var error = await service.UpdateBroadcast(id, current);
UpdateError = error;
if (error == null)
{
SnapshotSynced();
IsDrawerOpen = false;
}
}
catch (Exception ex)
{
@@ -165,4 +195,6 @@ public sealed class LiveBroadcastFormViewModel : ViewModelBase
IsUpdating = false;
}
}
private void SnapshotSynced() => _lastSyncedSnapshot = ToMetadata();
}