private ShareNotificationViewModel PrepareModelWithErrors(string area, string errorMessage, ShareNotificationViewModel model)
{
model.SetSharedUsers(model.SelectedSharedUsers);
ModelState.AddModelError(area, errorMessage);
return(model);
}
private ShareNotificationViewModel PrepareReturnModel(ShareNotificationViewModel model)
{
model.EmailAddress = string.Empty;
model.SetSharedUsers(model.SelectedSharedUsers);
ModelState.Clear();
return(model);
}
public async Task <ActionResult> ShareNotification(Guid id, ShareNotificationViewModel model, string command, string removeId)
{
// User is removing a user from the list
if (removeId != null)
{
model.SelectedSharedUsers.RemoveAll(c => c.UserId.ToString() == removeId);
}
// Use is finished adding emails and proceeding to next page
if (command == "continue")
{
SharedUserListConfirmViewModel confirmViewModel = new SharedUserListConfirmViewModel(id, model.SelectedSharedUsers);
if (confirmViewModel.SharedUsers.Count == 0)
{
ModelState.Clear();
ModelState.AddModelError("Continue", "Please enter at least 1 email address to continue");
return(View(model));
}
TempData["SharedUsers"] = confirmViewModel.SharedUsers;
return(RedirectToAction("Confirm", "ShareNotification", new { id = id }));
}
// User has tried to add an email address
if (command == "addshareduser")
{
// Check validation of model for correct number of email addresses and email address in correct format
if (!ModelState.IsValid)
{
model.SetSharedUsers(model.SelectedSharedUsers);
return(View(model));
}
// Check that the owner of notification isn't trying to share it with themselves
if (User.GetEmailAddress() == model.EmailAddress)
{
model = this.PrepareModelWithErrors("Email Address", "Cannot share notification with your email address", model);
return(View(model));
}
Guid userId;
// This method doesn't handle nicely so if a user doesn't exist, it throws an exception.
try
{
userId = await mediator.SendAsync(new GetUserId(model.EmailAddress));
}
catch (Exception)
{
model = this.PrepareModelWithErrors("Email Address", "Enter a valid email address", model);
return(View(model));
}
var isInternalUser = await mediator.SendAsync(new ExternalUserExists(model.EmailAddress));
if (!isInternalUser)
{
model = this.PrepareModelWithErrors("Email Address", "You cannot share this notification with a competent authority user", model);
return(View(model));
}
var existingSharedUsers = await mediator.SendAsync(new GetSharedUsersByNotificationId(id));
if (existingSharedUsers.Count(p => p.UserId == userId.ToString()) > 0)
{
model = this.PrepareModelWithErrors("Email Address", "This email address has already been added as a shared user", model);
return(View(model));
}
// If user id is not already in list then add it to the list
if (userId != null && model.SelectedSharedUsers.Count(p => p.UserId == userId.ToString()) == 0)
{
model.SelectedSharedUsers.Add(new NotificationSharedUser {
Email = model.EmailAddress, UserId = userId.ToString(), NotificationId = model.NotificationId
});
}
}
this.PrepareReturnModel(model);
return(View(model));
}