public EditTagsViewModel(IOfflineTaskService offlineTaskService, ILoggingService loggingService, SQLite.Net.SQLiteConnection database, INavigationService navigation)
{
_offlineTaskService = offlineTaskService;
_loggingService = loggingService;
_database = database;
_navigationService = navigation;
_loggingService.WriteLine("Creating new instance of EditTagsViewModel.");
FinishCommand = new RelayCommand(async() => await FinishAsync());
CancelCommand = new RelayCommand(() => Cancel());
TagQueryChangedCommand = new RelayCommand(() =>
{
_loggingService.WriteLine($"Tag query changed: {TagQuery}");
UpdateSuggestions();
});
TagSubmittedCommand = new RelayCommand <Tag>(suggestion =>
{
_loggingService.WriteLine($"Tag was submitted.");
if (suggestion != null && !Tags.Contains(suggestion))
{
_loggingService.WriteLine("Tag wasn't in list yet. Added.");
Tags.Add(suggestion);
UpdateSuggestions();
}
else if (!string.IsNullOrEmpty(TagQuery))
{
var tags = TagQuery.Split(',').ToList();
_loggingService.WriteLine($"Adding {tags.Count} tags to the list.");
foreach (string item in tags)
{
if (!string.IsNullOrWhiteSpace(item))
{
var existingTag = _database.FindWithQuery <Tag>("select * from Tag where Label=?", item);
Tag newTag = null;
if (existingTag != null)
{
newTag = existingTag;
}
else
{
newTag = new Tag()
{
Label = item, Id = Tags.Count + 1
}
};
if (Tags.Contains(newTag) == false)
{
Tags.Add(newTag);
}
}
}
}
TagQuery = string.Empty;
RaisePropertyChanged(nameof(TagsCountIsZero));
});
}