/// <summary>
/// Adds <see cref="TextQuery"/> to query.
/// </summary>
/// <param name="wrapper">Query wrapper.</param>
/// <param name="query">Query object.</param>
/// <param name="paths">Expression path to querying field.</param>
public static QueryWrapper <T> Text <T>(this QueryWrapper <T> wrapper, TextQuery query, params Expression <Func <T, object> >[] paths) where T : class
{
if (query == null || !query.IsSpecified)
{
return(wrapper);
}
return(wrapper.AddQuery(descriptor =>
{
var container = null as QueryContainer;
foreach (var value in query.Values)
{
if (string.IsNullOrEmpty(value))
{
continue;
}
var c = descriptor.SimpleQueryString(q => q.Query(value).Fields(f => paths.Aggregate(f, (ff, p) => ff.Field(p))).DefaultOperator(query.Mode == QueryMatchMode.All ? Operator.And : Operator.Or));
if (container == null)
{
container = c;
}
else
{
switch (query.Mode)
{
case QueryMatchMode.Any:
container |= c;
break;
case QueryMatchMode.All:
container &= c;
break;
}
}
}
return container;
}));
}
/// <summary>
/// Adds <see cref="FilterQuery{T}"/> to query.
/// </summary>
/// <param name="wrapper">Query wrapper.</param>
/// <param name="query">Query object.</param>
/// <param name="path">Expression path to querying field.</param>
public static QueryWrapper <T> Filter <T, TField>(this QueryWrapper <T> wrapper, FilterQuery <TField> query, Expression <Func <T, object> > path) where T : class
{
if (query == null || !query.IsSpecified)
{
return(wrapper);
}
return(wrapper.AddQuery(descriptor =>
{
var container = null as QueryContainer;
foreach (var value in query.Values)
{
var c = descriptor.Term(t => t.Field(path).Value(value));
if (container == null)
{
container = c;
}
else
{
switch (query.Mode)
{
case QueryMatchMode.Any:
container |= c;
break;
case QueryMatchMode.All:
container &= c;
break;
}
}
}
return container;
}));
}
/// <summary>
/// Nested equivalent of <see cref="MultiQuery{T}"/>.
/// </summary>
public static QueryWrapper <T> Nested <T>(this QueryWrapper <T> wrapper, Func <QueryWrapper <T>, QueryWrapper <T> > query) where T : class
=> wrapper.AddQuery(q => query(new QueryWrapper <T>(q)).Container);
