/// <summary>
/// Initializes a new instance of the OrderByContinuationToken struct.
/// </summary>
/// <param name="compositeContinuationToken">The composite continuation token (refer to property documentation).</param>
/// <param name="orderByItems">The order by items (refer to property documentation).</param>
/// <param name="rid">The rid (refer to property documentation).</param>
/// <param name="skipCount">The skip count (refer to property documentation).</param>
/// <param name="filter">The filter (refer to property documentation).</param>
public OrderByContinuationToken(
CompositeContinuationToken compositeContinuationToken,
IReadOnlyList <OrderByItem> orderByItems,
string rid,
int skipCount,
string filter)
{
if (orderByItems.Count == 0)
{
throw new ArgumentException($"{nameof(orderByItems)} can not be empty.");
}
if (string.IsNullOrWhiteSpace(rid))
{
throw new ArgumentNullException($"{nameof(rid)} can not be null or empty or whitespace.");
}
if (skipCount < 0)
{
throw new ArgumentException($"{nameof(skipCount)} can not be negative.");
}
//// filter is allowed to be null.
this.CompositeContinuationToken = compositeContinuationToken ?? throw new ArgumentNullException(nameof(compositeContinuationToken));
this.OrderByItems = orderByItems ?? throw new ArgumentNullException(nameof(orderByItems));
this.Rid = rid;
this.SkipCount = skipCount;
this.Filter = filter;
}
public static CosmosElement ToCosmosElement(OrderByContinuationToken orderByContinuationToken)
{
CosmosElement compositeContinuationToken = CompositeContinuationToken.ToCosmosElement(orderByContinuationToken.CompositeContinuationToken);
List <CosmosElement> orderByItemsRaw = new List <CosmosElement>();
foreach (OrderByItem orderByItem in orderByContinuationToken.OrderByItems)
{
orderByItemsRaw.Add(OrderByItem.ToCosmosElement(orderByItem));
}
CosmosArray orderByItems = CosmosArray.Create(orderByItemsRaw);
CosmosElement filter = orderByContinuationToken.Filter == null?CosmosNull.Create() : (CosmosElement)CosmosString.Create(orderByContinuationToken.Filter);
CosmosObject cosmosObject = CosmosObject.Create(
new Dictionary <string, CosmosElement>()
{
{ PropertyNames.CompositeToken, compositeContinuationToken },
{ PropertyNames.OrderByItems, orderByItems },
{ PropertyNames.Rid, CosmosString.Create(orderByContinuationToken.Rid) },
{ PropertyNames.SkipCount, CosmosNumber64.Create(orderByContinuationToken.SkipCount) },
{ PropertyNames.Filter, filter },
});
return(cosmosObject);
}
public static TryCatch <CompositeContinuationToken> TryCreateFromCosmosElement(CosmosElement cosmosElement)
{
if (!(cosmosElement is CosmosObject cosmosObject))
{
return(TryCatch <CompositeContinuationToken> .FromException(
new MalformedContinuationTokenException($"{nameof(CompositeContinuationToken)} is not an object: {cosmosElement}")));
}
if (!cosmosObject.TryGetValue(PropertyNames.Token, out CosmosElement rawToken))
{
return(TryCatch <CompositeContinuationToken> .FromException(
new MalformedContinuationTokenException($"{nameof(CompositeContinuationToken)} is missing field: '{PropertyNames.Token}': {cosmosElement}")));
}
string token;
if (rawToken is CosmosString rawTokenString)
{
token = rawTokenString.Value;
}
else
{
token = null;
}
if (!cosmosObject.TryGetValue(PropertyNames.Range, out CosmosObject rawRange))
{
return(TryCatch <CompositeContinuationToken> .FromException(
new MalformedContinuationTokenException($"{nameof(CompositeContinuationToken)} is missing field: '{PropertyNames.Range}': {cosmosElement}")));
}
if (!rawRange.TryGetValue(PropertyNames.Min, out CosmosString rawMin))
{
return(TryCatch <CompositeContinuationToken> .FromException(
new MalformedContinuationTokenException($"{nameof(CompositeContinuationToken)} is missing field: '{PropertyNames.Min}': {cosmosElement}")));
}
string min = rawMin.Value;
if (!rawRange.TryGetValue(PropertyNames.Max, out CosmosString rawMax))
{
return(TryCatch <CompositeContinuationToken> .FromException(
new MalformedContinuationTokenException($"{nameof(CompositeContinuationToken)} is missing field: '{PropertyNames.Max}': {cosmosElement}")));
}
string max = rawMax.Value;
Documents.Routing.Range <string> range = new Documents.Routing.Range <string>(min, max, true, false);
CompositeContinuationToken compositeContinuationToken = new CompositeContinuationToken()
{
Token = token,
Range = range,
};
return(TryCatch <CompositeContinuationToken> .FromResult(compositeContinuationToken));
}
public static CosmosElement ToCosmosElement(CompositeContinuationToken compositeContinuationToken)
{
CosmosElement token = compositeContinuationToken.Token == null?CosmosNull.Create() : (CosmosElement)CosmosString.Create(compositeContinuationToken.Token);
return(CosmosObject.Create(
new Dictionary <string, CosmosElement>()
{
{ CompositeContinuationToken.PropertyNames.Token, token },
{
CompositeContinuationToken.PropertyNames.Range,
CosmosObject.Create(
new Dictionary <string, CosmosElement>()
{
{ PropertyNames.Min, CosmosString.Create(compositeContinuationToken.Range.Min) },
{ PropertyNames.Max, CosmosString.Create(compositeContinuationToken.Range.Max) }
})
},
}));
}
public static TryCatch <OrderByContinuationToken> TryCreateFromCosmosElement(CosmosElement cosmosElement)
{
if (!(cosmosElement is CosmosObject cosmosObject))
{
return(TryCatch <OrderByContinuationToken> .FromException(
new MalformedContinuationTokenException($"{nameof(OrderByContinuationToken)} is not an object: {cosmosElement}")));
}
if (!cosmosObject.TryGetValue(PropertyNames.CompositeToken, out CosmosElement compositeContinuationTokenElement))
{
return(TryCatch <OrderByContinuationToken> .FromException(
new MalformedContinuationTokenException($"{nameof(OrderByContinuationToken)} is missing field: '{PropertyNames.CompositeToken}': {cosmosElement}")));
}
TryCatch <CompositeContinuationToken> tryCompositeContinuation = CompositeContinuationToken.TryCreateFromCosmosElement(compositeContinuationTokenElement);
if (!tryCompositeContinuation.Succeeded)
{
return(TryCatch <OrderByContinuationToken> .FromException(tryCompositeContinuation.Exception));
}
CompositeContinuationToken compositeContinuationToken = tryCompositeContinuation.Result;
if (!cosmosObject.TryGetValue(PropertyNames.OrderByItems, out CosmosArray orderByItemsRaw))
{
return(TryCatch <OrderByContinuationToken> .FromException(
new MalformedContinuationTokenException($"{nameof(OrderByContinuationToken)} is missing field: '{PropertyNames.OrderByItems}': {cosmosElement}")));
}
List <OrderByItem> orderByItems = orderByItemsRaw.Select(x => OrderByItem.FromCosmosElement(x)).ToList();
if (!cosmosObject.TryGetValue(PropertyNames.Rid, out CosmosString ridRaw))
{
return(TryCatch <OrderByContinuationToken> .FromException(
new MalformedContinuationTokenException($"{nameof(OrderByContinuationToken)} is missing field: '{PropertyNames.Rid}': {cosmosElement}")));
}
string rid = ridRaw.Value;
if (!cosmosObject.TryGetValue(PropertyNames.SkipCount, out CosmosNumber64 skipCountRaw))
{
return(TryCatch <OrderByContinuationToken> .FromException(
new MalformedContinuationTokenException($"{nameof(OrderByContinuationToken)} is missing field: '{PropertyNames.SkipCount}': {cosmosElement}")));
}
int skipCount = (int)Number64.ToLong(skipCountRaw.GetValue());
if (!cosmosObject.TryGetValue(PropertyNames.Filter, out CosmosElement filterRaw))
{
return(TryCatch <OrderByContinuationToken> .FromException(
new MalformedContinuationTokenException($"{nameof(OrderByContinuationToken)} is missing field: '{PropertyNames.Filter}': {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));
}