/// <summary>
/// Look into the file system and see what tiles with the given identifier
/// can be found.
/// </summary>
/// <param name="name"></param>
/// <returns></returns>
public async Task <IEnumerable <IGeometryItem> > InitializeLayer(string name)
{
if (!Models.Any(m => m.Name.ToLower() == name.ToLower()))
{
throw new NotSupportedException($"The Layer named {name} was not found in the Models collection");
}
var model = Models.First(m => m.Name.ToLower() == name.ToLower());
if (model.Properties.Any(p => p.Name.ToLower() == LayerProperties.FileExt && p.Value != null && !string.IsNullOrEmpty(p.Value.ToString())))
{
return(GetFeatures(model.GetPropertyValueAs <string>(LayerProperties.FileExt), await GetText(model.Path)));
}
else if (model.Properties.Any(p => p.Name == LayerProperties.Features))
{
// this is loading from memory //
var features = model.Properties.First(p => p.Name == LayerProperties.Features);
return(featureCache.GetBy(model.Identifier));
}
else
{
throw new NotSupportedException($"The features of the requested layer with name: {name}, could not be found.");
}
}
