public static TryCatch <OrderByContinuationToken> TryCreateFromCosmosElement(CosmosElement cosmosElement)
{
if (!(cosmosElement is CosmosObject cosmosObject))
{
return(TryCatch <OrderByContinuationToken> .FromException(
new MalformedContinuationTokenException($"{nameof(OrderByContinuationToken)} is not an object: {cosmosElement}")));
}
if (!cosmosObject.TryGetValue(CompositeTokenName, out CosmosElement compositeContinuationTokenElement))
{
return(TryCatch <OrderByContinuationToken> .FromException(
new MalformedContinuationTokenException($"{nameof(OrderByContinuationToken)} is missing field: '{CompositeTokenName}': {cosmosElement}")));
}
TryCatch <CompositeContinuationToken> tryCompositeContinuation = CompositeContinuationToken.TryCreateFromCosmosElement(compositeContinuationTokenElement);
if (!tryCompositeContinuation.Succeeded)
{
return(TryCatch <OrderByContinuationToken> .FromException(tryCompositeContinuation.Exception));
}
CompositeContinuationToken compositeContinuationToken = tryCompositeContinuation.Result;
if (!cosmosObject.TryGetValue(OrderByItemsName, out CosmosArray orderByItemsRaw))
{
return(TryCatch <OrderByContinuationToken> .FromException(
new MalformedContinuationTokenException($"{nameof(OrderByContinuationToken)} is missing field: '{OrderByItemsName}': {cosmosElement}")));
}
List <OrderByItem> orderByItems = orderByItemsRaw.Select(x => OrderByItem.FromCosmosElement(x)).ToList();
if (!cosmosObject.TryGetValue(RidName, out CosmosString ridRaw))
{
return(TryCatch <OrderByContinuationToken> .FromException(
new MalformedContinuationTokenException($"{nameof(OrderByContinuationToken)} is missing field: '{RidName}': {cosmosElement}")));
}
string rid = ridRaw.Value;
if (!cosmosObject.TryGetValue(SkipCountName, out CosmosNumber64 skipCountRaw))
{
return(TryCatch <OrderByContinuationToken> .FromException(
new MalformedContinuationTokenException($"{nameof(OrderByContinuationToken)} is missing field: '{SkipCountName}': {cosmosElement}")));
}
int skipCount = (int)Number64.ToLong(skipCountRaw.GetValue());
if (!cosmosObject.TryGetValue(FilterName, out CosmosElement filterRaw))
{
return(TryCatch <OrderByContinuationToken> .FromException(
new MalformedContinuationTokenException($"{nameof(OrderByContinuationToken)} is missing field: '{FilterName}': {cosmosElement}")));
}
string filter;
if (filterRaw is CosmosString filterStringRaw)
{
filter = filterStringRaw.Value;
}
else
{
filter = null;
}
OrderByContinuationToken orderByContinuationToken = new OrderByContinuationToken(
compositeContinuationToken,
orderByItems,
rid,
skipCount,
filter);
return(TryCatch <OrderByContinuationToken> .FromResult(orderByContinuationToken));
}