public static Uri GenerateBlobFileSasLink(this MemberInfo member, string blobName,
TimeSpan?lifespan = default(TimeSpan?))
{
var containerName = member.BlobContainerName();
return(GenerateBlobFileSasLink(containerName, blobName, lifespan: lifespan));
}
public object UpdateInstance(string propertyKey,
JsonReader reader, object instance, ParameterInfo parameterInfo, MemberInfo memberInfo,
IApplication httpApp, IHttpRequest request)
{
var containerName = memberInfo.BlobContainerName();
var blobRef = GetBlobRef();
memberInfo.SetPropertyOrFieldValue(instance, blobRef);
return(instance);
IBlobRef GetBlobRef()
{
if (reader.TokenType == JsonToken.Bytes)
{
var bytes = reader.ReadAsBytes();
var blobRefRaw = new BlobRefRawData(containerName, bytes);
return(blobRefRaw);
}
if (reader.TokenType != JsonToken.String)
{
throw new ArgumentException($"Cannot parse token of type {reader.TokenType} into BlobRef");
}
var blobRefRawStr = (string)reader.Value;
if (Guid.TryParse(blobRefRawStr, out Guid guidValue))
{
var idGuidStr = guidValue.AsBlobName();
return(new BlobRefStorage
{
Id = idGuidStr,
ContainerName = containerName,
});
}
if (Uri.TryCreate(blobRefRawStr, UriKind.Absolute, out Uri rawUri))
{
return(new BlobRefUrl(rawUri));
}
throw new Exception($"Cannot parse {blobRefRawStr} into {nameof(IBlobRef)}.");
}
}
public TResult Bind <TResult>(IDictionary <string, EntityProperty> value,
Type type, string pathStart, MemberInfo member,
Func <object, TResult> onBound,
Func <TResult> onFailedToBind)
{
var containerName = member.BlobContainerName();
return(GetId(pathStart,
id =>
{
var blobRef = new BlobRefStorage
{
Id = id,
ContainerName = containerName,
};
return onBound(blobRef);
},
() =>
{
return onBound(default(IBlobRef));
}));
TResult GetId(string path,
Func <string, TResult> onFound,
Func <TResult> onNoValue)
{
if (!value.TryGetValue(path, out EntityProperty epValue))
{
if (!member.TryGetAttributeInterface(out IMigrateBlobIdAttribute migrateBlobId))
{
return(onNoValue());
}
// terminate recursion
if (migrateBlobId.IdName.Equals(path, StringComparison.Ordinal))
{
return(onNoValue());
}
return(GetId(migrateBlobId.IdName,
onFound, onNoValue));
}
if (epValue.PropertyType == EdmType.String)
{
if (epValue.StringValue.HasBlackSpace())
{
return(onFound(epValue.StringValue));
}
return(onNoValue());
}
if (epValue.PropertyType == EdmType.Guid)
{
var guidValue = epValue.GuidValue;
if (guidValue.HasValue)
{
return(onFound(guidValue.Value.ToString("N")));
}
}
return(onNoValue());
}
}