/// <summary>
/// Translate an ExpandedReferenceSelectItem
/// </summary>
/// <param name="item">the item to Translate</param>
/// <returns>Defined by the implementer</returns>
public override string Translate(ExpandedReferenceSelectItem item)
{
NodeToStringBuilder nodeToStringBuilder = new NodeToStringBuilder();
string currentExpandClause = String.Join("/", item.PathToNavigationProperty.WalkWith(PathSegmentToStringTranslator.Instance).ToArray());
string res = string.Empty;
if (item.FilterOption != null)
{
res += "$filter=" + nodeToStringBuilder.TranslateFilterClause(item.FilterOption);
}
if (item.OrderByOption != null)
{
res += string.IsNullOrEmpty(res) ? null : ";";
res += "$orderby=" + nodeToStringBuilder.TranslateOrderByClause(item.OrderByOption);
}
if (item.TopOption != null)
{
res += string.IsNullOrEmpty(res) ? null : ";";
res += "$top=" + item.TopOption.ToString();
}
if (item.SkipOption != null)
{
res += string.IsNullOrEmpty(res) ? null : ";";
res += "$skip=" + item.SkipOption.ToString();
}
if (item.CountOption != null)
{
res += string.IsNullOrEmpty(res) ? null : ";";
res += "$count";
res += ExpressionConstants.SymbolEqual;
if (item.CountOption == true)
{
res += ExpressionConstants.KeywordTrue;
}
else
{
res += ExpressionConstants.KeywordFalse;
}
}
if (item.SearchOption != null)
{
res += string.IsNullOrEmpty(res) ? null : ";";
res += "$search";
res += ExpressionConstants.SymbolEqual;
res += nodeToStringBuilder.TranslateSearchClause(item.SearchOption);
}
// nested $compute=
if (item.ComputeOption != null)
{
res += string.IsNullOrEmpty(res) ? null : ";";
res += "$compute";
res += ExpressionConstants.SymbolEqual;
res += nodeToStringBuilder.TranslateComputeClause(item.ComputeOption);
}
// nested $apply=
if (item.ApplyOption != null)
{
res += string.IsNullOrEmpty(res) ? null : ";";
var applyClauseToStringBuilder = new ApplyClauseToStringBuilder();
res += applyClauseToStringBuilder.TranslateApplyClause(item.ApplyOption);
}
return(string.Concat(currentExpandClause, string.IsNullOrEmpty(res) ? null : string.Concat(ExpressionConstants.SymbolOpenParen, res, ExpressionConstants.SymbolClosedParen)));
}
/// <summary>
/// Build ODataUri into a Uri, the result URIs query options are URL encoded.
/// </summary>
/// <param name="odataUri">ODataUri which will be build to relative url</param>
/// <param name="urlKeyDelimiter">Value from ODataUrlKeyDelimiter</param>
/// <returns>Uri of the semantic tree</returns>
public static Uri BuildUri(this ODataUri odataUri, ODataUrlKeyDelimiter urlKeyDelimiter)
{
NodeToStringBuilder nodeToStringBuilder = new NodeToStringBuilder();
SelectExpandClauseToStringBuilder selectExpandClauseToStringBuilder = new SelectExpandClauseToStringBuilder();
String queryOptions = String.Empty;
bool writeQueryPrefix = true;
if (odataUri.Filter != null)
{
queryOptions = WriteQueryPrefixOrSeparator(writeQueryPrefix, queryOptions);
writeQueryPrefix = false;
queryOptions = string.Concat(queryOptions, "$filter", ExpressionConstants.SymbolEqual, Uri.EscapeDataString(nodeToStringBuilder.TranslateFilterClause(odataUri.Filter)));
}
if (odataUri.SelectAndExpand != null)
{
string result = selectExpandClauseToStringBuilder.TranslateSelectExpandClause(odataUri.SelectAndExpand, true);
if (!string.IsNullOrEmpty(result))
{
queryOptions = WriteQueryPrefixOrSeparator(writeQueryPrefix, queryOptions);
writeQueryPrefix = false;
queryOptions = string.Concat(queryOptions, result);
}
}
if (odataUri.Apply != null)
{
var applyClauseToStringBuilder = new ApplyClauseToStringBuilder();
string result = applyClauseToStringBuilder.TranslateApplyClause(odataUri.Apply);
if (!string.IsNullOrEmpty(result))
{
queryOptions = WriteQueryPrefixOrSeparator(writeQueryPrefix, queryOptions);
writeQueryPrefix = false;
queryOptions = string.Concat(queryOptions, result);
}
}
if (odataUri.OrderBy != null)
{
queryOptions = WriteQueryPrefixOrSeparator(writeQueryPrefix, queryOptions);
writeQueryPrefix = false;
queryOptions = string.Concat(queryOptions, "$orderby", ExpressionConstants.SymbolEqual, Uri.EscapeDataString(nodeToStringBuilder.TranslateOrderByClause(odataUri.OrderBy)));
}
if (odataUri.Top != null)
{
queryOptions = WriteQueryPrefixOrSeparator(writeQueryPrefix, queryOptions);
writeQueryPrefix = false;
queryOptions = string.Concat(queryOptions, "$top", ExpressionConstants.SymbolEqual, Uri.EscapeDataString(odataUri.Top.ToString()));
}
if (odataUri.Skip != null)
{
queryOptions = WriteQueryPrefixOrSeparator(writeQueryPrefix, queryOptions);
writeQueryPrefix = false;
queryOptions = string.Concat(queryOptions, "$skip", ExpressionConstants.SymbolEqual, Uri.EscapeDataString(odataUri.Skip.ToString()));
}
if (odataUri.Index != null)
{
queryOptions = WriteQueryPrefixOrSeparator(writeQueryPrefix, queryOptions);
writeQueryPrefix = false;
queryOptions = string.Concat(queryOptions, "$index", ExpressionConstants.SymbolEqual, Uri.EscapeDataString(odataUri.Index.ToString()));
}
if (odataUri.QueryCount != null)
{
queryOptions = WriteQueryPrefixOrSeparator(writeQueryPrefix, queryOptions);
writeQueryPrefix = false;
queryOptions = string.Concat(queryOptions, "$count", ExpressionConstants.SymbolEqual, Uri.EscapeDataString(odataUri.QueryCount == true ? ExpressionConstants.KeywordTrue : ExpressionConstants.KeywordFalse));
}
if (odataUri.Search != null)
{
queryOptions = WriteQueryPrefixOrSeparator(writeQueryPrefix, queryOptions);
writeQueryPrefix = false;
queryOptions = string.Concat(queryOptions, "$search", ExpressionConstants.SymbolEqual, Uri.EscapeDataString(nodeToStringBuilder.TranslateSearchClause(odataUri.Search)));
}
if (odataUri.SkipToken != null)
{
queryOptions = WriteQueryPrefixOrSeparator(writeQueryPrefix, queryOptions);
writeQueryPrefix = false;
queryOptions = string.Concat(queryOptions, "$skiptoken", ExpressionConstants.SymbolEqual, Uri.EscapeDataString(odataUri.SkipToken));
}
if (odataUri.DeltaToken != null)
{
queryOptions = WriteQueryPrefixOrSeparator(writeQueryPrefix, queryOptions);
writeQueryPrefix = false;
queryOptions = string.Concat(queryOptions, "$deltatoken", ExpressionConstants.SymbolEqual, Uri.EscapeDataString(odataUri.DeltaToken));
}
if (odataUri.ParameterAliasNodes != null && odataUri.ParameterAliasNodes.Count > 0)
{
string aliasNode = nodeToStringBuilder.TranslateParameterAliasNodes(odataUri.ParameterAliasNodes);
queryOptions = String.IsNullOrEmpty(aliasNode) ? queryOptions : String.Concat(WriteQueryPrefixOrSeparator(writeQueryPrefix, queryOptions), aliasNode);
writeQueryPrefix = false;
}
string res = String.Concat(odataUri.Path.ToResourcePathString(urlKeyDelimiter), queryOptions);
return(odataUri.ServiceRoot == null ? new Uri(res, UriKind.Relative) : new Uri(odataUri.ServiceRoot, new Uri(res, UriKind.Relative)));
}