public ContactUsPageViewModel(
INavigationService navigationService,
IAnalyticService analyticService,
IUserService userService) : base(navigationService)
{
Title = "Contact Us";
analyticService.TrackScreen("contact-us-page");
AddValidationRules();
Submit = ReactiveCommand.CreateFromTask(
async _ =>
{
if (!IsValid())
{
return;
}
analyticService.TrackTapEvent("submit");
var random = new Random();
await Task.Delay(random.Next(400, 2000));
await NavigationService.GoBackAsync(useModalNavigation: true).ConfigureAwait(false);
});
Submit.IsExecuting
.StartWith(false)
.ToProperty(this, x => x.IsBusy, out _isBusy);
NavigatingTo
.Take(1)
.Subscribe(_ =>
{
Email.Value = userService.AuthenticatedUser.EmailAddress;
});
}
public EditProjectPageViewModel(
INavigationService navigationService,
IUserDialogs dialogService,
IAnalyticService analyticService) : base(navigationService)
{
Title = "New Project";
analyticService.TrackScreen("edit-project-page");
// store the fields in an enumerable for easy use later on in this class
_validatableFields = new IValidity[]
{
ProjectName,
//StartStatus,
Description,
SkillsRequired,
PayRate,
//PaymentType
};
AddValidationRules();
Save = ReactiveCommand.CreateFromTask(async() =>
{
if (!IsValid())
{
return;
}
analyticService.TrackTapEvent("save");
if (_project != null)
{
// if the product was being edited, map the local fields back to the project and
// save it
//_project.Name = ProjectName.Value;
_project.Description = Description.Value;
//_project.SkillsRequired = SkillsRequired.Value;
//_project.PaymentRate = decimal.Parse(PayRate.Value);
//_project.PaymentType = PaymentType.Value;
//switch (StartStatus.Value)
//{
// case ProjectStartStatus.ReadyNow:
// _project.EstimatedStartDate = DateTime.Today;
// break;
// case ProjectStartStatus.OneToTwoWeeks: _project.EstimatedStartDate =
// DateTime.Today.AddDays(7); break;
// case ProjectStartStatus.ThreeToFourWeeks: _project.EstimatedStartDate =
// DateTime.Today.AddDays(7 * 3); break;
// case ProjectStartStatus.FiveOrMoreWeeks: _project.EstimatedStartDate =
// DateTime.Today.AddDays(7 * 5); break;
// default:
// throw new InvalidOperationException("Invalid start status");
//}
// TODO: projectDataStore.Update(_project);
}
else
{
// the project was a new project. Save it
// TODO: projectDataStore.Save(_project);
}
// TODO: Return the project in the navigation parameters so we can refresh it in the UI of the calling page.
await NavigationService.GoBackAsync(useModalNavigation: true).ConfigureAwait(false);
});
Cancel = ReactiveCommand.CreateFromTask(async() =>
{
if (_validatableFields.Any(field => field.IsChanged))
{
bool keepEditing = await dialogService.ConfirmAsync(
new ConfirmConfig
{
Title = "Unsaved changes",
Message = "Are you sure you want to discard this project?",
OkText = "Keep Editing",
CancelText = "Discard"
});
if (keepEditing)
{
// the user has chosen the option to continue editing
return;
}
}
analyticService.TrackTapEvent("cancel");
// if there are no changes, or the user chooses to discard, go back to the previous screen
await NavigationService.GoBackAsync(useModalNavigation: true).ConfigureAwait(false);
});
NavigatingTo
.Take(1)
.Where(args => args.ContainsKey("project"))
.Select(args => (Project)args["project"])
.Subscribe(project =>
{
// store the project being edited
_project = project;
Title = "Edit Project";
// map the project being edited to the local fields
//ProjectName.Value = project.Name;
//StartStatus.Value = project.StartStatus;
Description.Value = project.Description;
//SkillsRequired.Value = project.SkillsRequired;
//PayRate.Value = project.PaymentRate.ToString();
//PaymentType.Value = project.PaymentType;
// accept changes for all fields
foreach (var field in _validatableFields)
{
field.AcceptChanges();
}
});
// accept changes so we can determine whether they've been changed later on
foreach (var field in _validatableFields)
{
field.AcceptChanges();
}
}