protected JobViewModelBase(T job, AbstractValidator <T> validator, IDataClient client, IDialogCoordinator dialogCoordinator, object dialogContext) : base(job, validator)
{
PreChangeName = job.Name;
//Note the use of job vs Job below. The parameter has the type T which is necessary for the client stuff to work
Job = job;
//Save job
var saveCanExecute = this
.WhenAnyValue(x => x.HasErrors)
.Select(x => x == false);
Save = ReactiveCommand.CreateFromTask(async _ =>
{
//First delete the existing job (if there is an existing job), with the old name
string tmpName = Name;
Name = PreChangeName;
await client.DeleteJob(job).ConfigureAwait(true); //failure is OK here, it might not exist on the server if it's newly added
Name = tmpName;
//then add it with the new values
var result = await client.AddJob(job).ConfigureAwait(true);
if (await result.DisplayErrors(dialogContext, dialogCoordinator).ConfigureAwait(true))
{
return;
}
PreChangeName = Name;
},
saveCanExecute);
//this is here because we need to know the job type
Delete = ReactiveCommand.CreateFromTask(async _ => (ApiResponse)await client.DeleteJob(job).ConfigureAwait(false));
}
protected JobViewModelBase(T job, AbstractValidator <T> validator, IDataClient client, IDialogCoordinator dialogCoordinator) : base(job, validator)
{
PreChangeName = job.Name;
Job = job;
_typedJob = job;
//Save job
var saveCanExecute = this
.WhenAnyValue(x => x.HasErrors)
.Select(x => x == false);
Save = ReactiveCommand.CreateFromTask(async _ =>
{
//First delete the existing job (if there is an existing job), with the old name
string tmpName = Name;
Name = PreChangeName;
await client.DeleteJob(_typedJob); //failure is OK here, it might not exist on the server if it's newly added
Name = tmpName;
//then add it with the new values
var result = await client.AddJob(_typedJob).ConfigureAwait(true);
if (await result.DisplayErrors(this, dialogCoordinator))
{
return;
}
PreChangeName = Name;
},
saveCanExecute);
}
private void CreateCommands()
{
Add = ReactiveCommand.Create(ExecuteAdd);
//get existing jobs and tags/instruments
Load = ReactiveCommand.CreateFromTask(async _ =>
{
var dataUpdateJobs = _client.GetaDataUpdateJobs();
var econReleaseUpdateJobs = _client.GetEconomicReleaseUpdateJobs();
var tags = _client.GetTags();
var instruments = _client.GetInstruments();
var econReleaseSources = _client.GetEconomicReleaseDataSources();
await Task.WhenAll(dataUpdateJobs, econReleaseUpdateJobs, tags, instruments, econReleaseSources).ConfigureAwait(false);
var responses = new ApiResponse[] { dataUpdateJobs.Result, econReleaseUpdateJobs.Result, tags.Result, instruments.Result, econReleaseSources.Result };
if (await responses.DisplayErrors(this, DialogCoordinator).ConfigureAwait(true))
{
return(null);
}
Tags.AddRange(tags.Result.Result);
Instruments.AddRange(instruments.Result.Result);
EconomicReleaseDataSources.AddRange(econReleaseSources.Result.Result);
var jobs = new List <IJobSettings>();
jobs.AddRange(dataUpdateJobs.Result.Result);
jobs.AddRange(econReleaseUpdateJobs.Result.Result);
return(jobs);
});
Load.Subscribe(jobs =>
{
if (jobs == null)
{
return;
}
foreach (var job in jobs)
{
Jobs.Add(GetJobViewModel(job));
}
});
//Delete job
var deleteCanExecute = this
.WhenAnyValue(x => x.SelectedJob)
.Select(x => x != null && !string.IsNullOrEmpty(x.PreChangeName));
Delete = ReactiveCommand.CreateFromTask(async _ =>
{
//Give a dialog to confirm the deletion
MessageDialogResult dialogResult = await DialogCoordinator.ShowMessageAsync(this,
"Delete Job",
string.Format("Are you sure you want to delete {0}?", SelectedJob.Name),
MessageDialogStyle.AffirmativeAndNegative);
if (dialogResult != MessageDialogResult.Affirmative)
{
return;
}
//If the name has changed but hasn't been saved, we change it back to be in sync with the server
SelectedJob.Name = SelectedJob.PreChangeName;
//Request deletion
var response = await _client.DeleteJob(SelectedJob.Job);
if (await response.DisplayErrors(this, DialogCoordinator))
{
return;
}
//if it was successful, remove the VM from the list
Jobs.Remove(SelectedJob);
SelectedJob = null;
},
deleteCanExecute);
}