/// <summary>
/// This will overwrite all current channels - any channels that no longer exist will be blanked out on any pending local notifications
/// </summary>
/// <param name="channels"></param>
/// <returns></returns>
public static async Task SetChannels(this INotificationManager manager, params Channel[] channels)
{
var currentChannels = await manager.GetChannels();
// if the current channel doesn't exist in the incoming channels, remove it and nullify channel ID from pending notifications
foreach (var currentChannel in currentChannels)
{
// if the currentchannel doesn't exist in incoming channels, remove the channel
var exists = channels.Any(x => x.Identifier.Equals(
currentChannel.Identifier, StringComparison.InvariantCultureIgnoreCase
));
if (!exists)
{
await manager.RemoveChannel(currentChannel.Identifier);
}
}
// if the incoming channels don't exist in the current channels, create them
foreach (var channel in channels)
{
var exists = currentChannels.Any(x => x.Identifier.Equals(
channel.Identifier, StringComparison.InvariantCultureIgnoreCase
));
if (!exists)
{
await manager.AddChannel(channel);
}
}
}
public ChannelCreateViewModel(INavigationService navigator,
INotificationManager manager,
IDialogs dialogs)
{
this.Create = ReactiveCommand.CreateFromTask
(
async() =>
{
await manager.AddChannel(this.ToChannel());
await navigator.GoBack();
},
this.WhenAny(
x => x.Identifier,
x => x.Description,
(id, desc) =>
!id.GetValue().IsEmpty() &&
!desc.GetValue().IsEmpty()
)
);
this.PickImportance = dialogs.PickEnumValueCommand <ChannelImportance>(
"Importance",
x => this.Importance = x.ToString()
);
this.PickActionType1 = dialogs.PickEnumValueCommand <ChannelActionType>(
"Action Type",
x => this.Action1ActionType = x.ToString(),
this.WhenAny(
x => x.UseAction1,
x => x.GetValue()
)
);
this.PickActionType2 = dialogs.PickEnumValueCommand <ChannelActionType>(
"Action Type",
x => this.Action2ActionType = x.ToString(),
this.WhenAny(
x => x.UseAction2,
x => x.GetValue()
)
);
}
