public TValue GetItem <TValue>(Expression <Func <TParameter, TValue> > getItem)
{
var(_, _, itemInfo) = MemberVisitor.GetMemberInfo(getItem);
var itemMetadata = CommandParameterProperty.Create((PropertyInfo)itemInfo);
var(uri, metadata) = ItemRequestFactory.CreateItemRequest(itemMetadata);
var item = _args.GetAsync(uri, metadata).GetAwaiter().GetResult();
if (item.Exists)
{
if (itemMetadata.IsCollection)
{
return(item.DeserializeJsonAsync <TValue>().GetAwaiter().GetResult());
}
else
{
var values = item.DeserializeJsonAsync <List <TValue> >().GetAwaiter().GetResult();
if (((PropertyInfo)itemInfo).PropertyType == typeof(bool))
{
return
(values.Any()
? values.Single()
: itemMetadata.DefaultValue is TValue defaultValue
? defaultValue
: (TValue)(object)true);
}
else
{
return
(values.Any()
? values.Single()
: itemMetadata.DefaultValue is TValue defaultValue
? defaultValue
: default);
public static Task <IResourceInfo> GetHttpAsync(this IResourceProvider resourceProvider, string path, ImmutableSession metadata = default)
{
var uri = new UriString(path);
return(resourceProvider.GetAsync
(
uri.IsAbsolute
? uri
: new UriString(HttpProvider.DefaultScheme, (string)uri.Path.Original),
metadata
));
}
public static async Task <T> GetItemAsync <T>(this IResourceProvider resources, UriString uri, IImmutableSession metadata = default)
{
using (var item = await resources.GetAsync(uri, metadata))
{
var itemFormat = item.Metadata.Get(Use <IResourceNamespace> .Namespace, x => x.Format);
if (item.Exists)
{
using (var memoryStream = new MemoryStream())
{
await item.CopyToAsync(memoryStream);
if (itemFormat == MimeType.Text)
{
using (var streamReader = new StreamReader(memoryStream.Rewind()))
{
return((T)(object)await streamReader.ReadToEndAsync());
}
}
if (itemFormat == MimeType.Binary)
{
return((T)await ResourceHelper.DeserializeBinaryAsync <object>(memoryStream.Rewind()));
}
}
throw DynamicException.Create
(
$"ItemFormat",
$"Item's '{uri}' format is '{itemFormat}' but only '{MimeType.Binary}' and '{MimeType.Text}' are supported."
);
}
else
{
throw DynamicException.Create
(
$"ItemNotFound",
$"Could not find '{uri}' that maps to '{item.Metadata.Get(Use<IResourceNamespace>.Namespace, x => x.ActualName) ?? "N/A"}'."
);
}
}
}
protected override async Task <IResourceInfo> GetAsyncInternal(UriString uri, IImmutableSession metadata)
{
return(await _resourceProvider.GetAsync(Combine(uri), metadata));
}
public static Task <IResourceInfo> GetAnyAsync(this IResourceProvider resourceProvider, UriString uri, IImmutableSession metadata = default)
{
return(resourceProvider.GetAsync(uri.With(x => x.Scheme, ResourceProvider.DefaultScheme), metadata));
}
protected override Task <IResourceInfo> GetAsyncInternal(UriString uri, IImmutableSession metadata)
{
return(_resourceProvider.GetAsync(UpdatePath(uri), metadata));
}
public async Task <Stream> GetAsync(string resourceKey)
{
return(await provider.GetAsync(resourceKey));
}
public static async Task <IResourceInfo> GetFileAsync(this IResourceProvider resourceProvider, string path, MimeType format, IImmutableSession metadata = default)
{
return(await resourceProvider.GetAsync(CreateUri(path), metadata.ThisOrEmpty().Set(Use <IResourceNamespace> .Namespace, x => x.Format, format)));
}