public IEnumerable <KeyValuePair <string, string> > Build(OdataQueryOptions <TModel> options)
{
if (options.WhereExpressions.Any())
{
var filter = string.Join(" and ", options.WhereExpressions
.Select(x => LambdaFilterParser.Parse(x))
.Where(x => !string.IsNullOrEmpty(x))
);
yield return(new KeyValuePair <string, string>("$filter", filter));
}
if (options.OrderOptions.Any())
{
var orders = options.OrderOptions.Select(x =>
$"{(string.Join("/", ExpressionHelpers.GetMemberName(x.Expression)))} {x.OrderDirection.ToString().ToLowerInvariant()}");
yield return(new KeyValuePair <string, string>("$orderby", string.Join(",", orders)));
}
if (options.Skip.HasValue)
{
yield return(new KeyValuePair <string, string>("$skip", options.Skip.Value.ToString()));
}
if (options.Take.HasValue)
{
yield return(new KeyValuePair <string, string>("$top", options.Take.Value.ToString()));
}
if (options.Take.HasValue || options.Skip.HasValue)
{
yield return(new KeyValuePair <string, string>("$count", "true"));
}
if (options.CustomQueryParamsFactory != null)
{
var custom = options.CustomQueryParamsFactory();
foreach (var kv in custom)
{
yield return(kv);
}
}
}
public OdataClient(HttpClient client, string apiUri, OdataQueryOptions <TModel, TResult> queryOptions = null) : base(client, apiUri, queryOptions)
{
QueryOptions = queryOptions;
}
