private Uri GetRequestUri <T>(ReplicateCommand <T> command)
{
string requestUri = this.GetMessageBase <T>();
requestUri += "/replicate";
List <KeyValuePair <string, string> > queryStringParameters = new List <KeyValuePair <string, string> >();
queryStringParameters.AddRange(this.GetAdditionalParameters(command.AdditionalParameters));
queryStringParameters.ForEach(x => { requestUri = QueryHelpers.AddQueryString(requestUri, x.Key, x.Value); });
return(new Uri(requestUri));
}
public ConnectionInfoManagementViewModel()
{
AddNewItemCommand = IsItemEditing.Inverse().ToReactiveCommand();
AddNewItemCommand.Subscribe(() =>
{
SelectedItem.Value = null;
EditingItem.Value = new T();
if (IsGroupSelected?.Value == true)
{
EditingItem.Value.GroupName = SelectedGroup.Value?.Name;
}
IsItemEditing.Value = true;
}).AddTo(Disposable);
ConnectCommand.Subscribe(async item => await ConfirmConnect(item)).AddTo(Disposable);
IsItemSelected = SelectedItem.Select(x => x != null).ToReadOnlyReactiveProperty();
IsNotItemEditing = IsItemEditing.Inverse().ToReadOnlyReactiveProperty();
SelectedItem.Subscribe(x =>
{
EditingItem.Value = SelectedItem.Value;
IsItemEditing.Value = false;
}).AddTo(Disposable);
StartEditCommand = IsItemSelected
.CombineLatest(IsItemEditing.Inverse(), (a, b) => a && b)
.ToReactiveCommand();
StartEditCommand.Subscribe(() =>
{
EditingItem.Value = SelectedItem.Value.CloneDeep();
IsItemEditing.Value = true;
}).AddTo(Disposable);
ReplicateCommand = IsItemSelected
.CombineLatest(IsItemEditing.Inverse(), (a, b) => a && b)
.ToReactiveCommand();
ReplicateCommand.Subscribe(() =>
{
var replicated = SelectedItem.Value.CloneDeep();
replicated.Id = -1;
SelectedItem.Value = null;
EditingItem.Value = replicated;
IsItemEditing.Value = true;
}).AddTo(Disposable);
RemoveCommand = IsItemSelected
.CombineLatest(IsItemEditing.Inverse(), (a, b) => a && b)
.ToAsyncReactiveCommand();
RemoveCommand.Subscribe(async() =>
{
if (await Remove(SelectedItem.Value))
{
Items.Remove(SelectedItem.Value);
// Renew Windows JumpList
JumpListHelper.RenewJumpList(await MainWindow.DbContext.EnumerateAllConnectionInfos());
}
}).AddTo(Disposable);
DiscardChangesCommand = IsItemEditing.ToReactiveCommand();
DiscardChangesCommand.Subscribe(() =>
{
EditingItem.Value = SelectedItem.Value ?? new T();
IsItemEditing.Value = false;
}).AddTo(Disposable);
SaveChangesCommand = IsItemEditing.ToReactiveCommand();
SaveChangesCommand.Subscribe(async() =>
{
var selectedItem = SelectedItem.Value;
var item = EditingItem.Value;
try
{
var(result, resultItem) = await Save(item);
if (resultItem == null)
{
return; // FAILED
}
item = resultItem; // Replace with the saved item
if (result) // ADDED
{
Items.Add(item);
}
else // UPDATED
{
var oldItem = Items.FirstOrDefault(x => x.Id == item.Id);
if (oldItem != null)
{
var index = Items.IndexOf(oldItem);
if (index >= 0)
{
Items.RemoveAt(index);
Items.Insert(index, item);
}
}
}
// Renew Windows JumpList
JumpListHelper.RenewJumpList(await MainWindow.DbContext.EnumerateAllConnectionInfos());
}
catch (OperationCanceledException) // User manually canceled
{
return;
}
SelectedItem.Value = item;
IsItemEditing.Value = false;
}).AddTo(Disposable);
// Connection info filterings
FilterText
.Throttle(TimeSpan.FromMilliseconds(500))
.ObserveOnDispatcher()
.Subscribe(_ => RefreshCollectionView())
.AddTo(Disposable);
SelectedGroup
.ObserveOnDispatcher()
.Subscribe(_ => RefreshCollectionView())
.AddTo(Disposable);
// If any group is selected or not (except for "All")
IsGroupSelected = SelectedGroup
.Select(x => x?.Name != AllGroupName)
.ToReadOnlyReactivePropertySlim()
.AddTo(Disposable);
// Group list extraction on connection info events
Observable.CombineLatest(
// When Add, Remove or Update
Items.CollectionChangedAsObservable()
.Select(_ => Unit.Default)
.StartWith(Unit.Default),
// When GroupName property in each element changed
Items.ObserveElementPropertyChanged()
.Where(x => x.EventArgs.PropertyName == nameof(ConnectionInfoBase.GroupName))
.Select(_ => Unit.Default)
.StartWith(Unit.Default)
)
.Throttle(TimeSpan.FromMilliseconds(500)) // Once 500 ms
.ObserveOnDispatcher()
.Subscribe(_ =>
{
var selectedGroup = SelectedGroup.Value;
// Reload group list
Groups.Clear();
EnumerateGroups().ToList().ForEach(Groups.Add);
// Reset selected group
SelectedGroup.Value = (selectedGroup is null) ? Groups.FirstOrDefault() : selectedGroup;
})
.AddTo(Disposable);
}
public HttpRequestMessage GetRequestMessage <T>(ReplicateCommand <T> command)
{
return(this.GetRequestMessage <T>(this.GetRequestUri <T>(command), this.GetHttpContent <T>(command), HttpMethod));
}
private HttpContent GetHttpContent <T>(ReplicateCommand <T> command)
{
return(new StringContent(this.serializerService.Serialize(command.Replica)));
}
public ReplicateHttpApiCommand(ReplicateCommand <T> command, IRequestMessageBuilderFactory requestMessageBuilderFactory)
{
this.command = command;
this.requestBuilder = requestMessageBuilderFactory.GetRequestMessageBuilder <ReplicateRequestMessageBuilder>();
}
