public Task AddImage(ImageProvider image)
{
if (image == null)
return TaskExtensions.CompletedTask;
var onlineImage = image as OnlineImage;
if (onlineImage != null)
return AddImage(onlineImage);
var tagImage = image as TagImage;
if (tagImage != null)
return AddImage(tagImage);
throw new ArgumentException(nameof(image));
}
public static void AddImage(ImageProvider imageProvider, bool highPriorityQueue = false)
{
if (Images.Any(x => x.Guid == imageProvider.Guid))
{
if (ImportantImages.All(x => x.Guid != imageProvider.Guid) && highPriorityQueue)
{
Images.Remove(imageProvider); //Level up
ImportantImages.Add(imageProvider);
}
return;
}
if (ImportantImages.Any(x => x.Guid == imageProvider.Guid))
return;
if (highPriorityQueue)
ImportantImages.Add(imageProvider);
else Images.Add(imageProvider);
if (_serviceIsRunning)
return;
RunService().Forget();
}
private Task AddImageRow(ImageProvider image, int id, string data)
{
Collection.Add(image.Guid, image);
using (
var command =
new SQLiteCommand(
"INSERT INTO `Images` (Type, Guid, Data) VALUES (@type, @guid, @data)",
_connection))
{
command.Parameters.AddWithValue("@type", id);
command.Parameters.AddGuid("@guid", image.Guid);
command.Parameters.AddWithValue("@data", data);
return command.ExecuteNonQueryAsync();
}
}
