/// <summary>
/// Apply the $search query to the given IQueryable.
/// </summary>
/// <remarks>
/// The <see cref="ODataQuerySettings.HandleNullPropagation"/> property specifies how this method should handle null propagation.
/// </remarks>
/// <param name="query">The original <see cref="IQueryable"/>.</param>
/// <param name="querySettings">The <see cref="ODataQuerySettings"/> that contains all the query application related settings.</param>
/// <returns>The new <see cref="IQueryable"/> after the filter query has been applied to.</returns>
public IQueryable ApplyTo(IQueryable query, ODataQuerySettings querySettings)
{
if (query == null)
{
throw Error.ArgumentNull(nameof(query));
}
if (querySettings == null)
{
throw Error.ArgumentNull(nameof(querySettings));
}
ISearchBinder binder = Context.GetSearchBinder();
if (binder == null)
{
// If the developer doesn't provide the search binder, let's ignore the $search clause.
return(query);
}
if (Context.ElementClrType == null)
{
throw Error.NotSupported(SRResources.ApplyToOnUntypedQueryOption, "ApplyTo");
}
QueryBinderContext binderContext = new QueryBinderContext(Context.Model, querySettings, Context.ElementClrType);
return(binder.ApplyBind(query, SearchClause, binderContext));
}
/// <summary>
/// Translate an OData $search parse tree represented by <see cref="SearchClause"/> to
/// an <see cref="Expression"/> and applies it to an <see cref="IQueryable"/>.
/// </summary>
/// <param name="binder">The built in <see cref="ISelectExpandBinder"/></param>
/// <param name="source">The original <see cref="IQueryable"/>.</param>
/// <param name="searchClause">The OData $search parse tree.</param>
/// <param name="context">An instance of the <see cref="QueryBinderContext"/>.</param>
/// <returns>The applied result.</returns>
public static IQueryable ApplyBind(this ISearchBinder binder, IQueryable source, SearchClause searchClause, QueryBinderContext context)
{
if (binder == null)
{
throw Error.ArgumentNull(nameof(binder));
}
if (source == null)
{
throw Error.ArgumentNull(nameof(source));
}
if (searchClause == null)
{
throw Error.ArgumentNull(nameof(searchClause));
}
if (context == null)
{
throw Error.ArgumentNull(nameof(context));
}
Expression searchExp = binder.BindSearch(searchClause, context);
return(ExpressionHelpers.Where(source, searchExp, context.ElementClrType));
}
