public static QueryClause <TEntity> WithSearchOptions <TEntity>(this QueryClause <TEntity> query,
SearchOptions options)
where TEntity : IQueryableEntity
{
query.GuardAgainstNull(nameof(query));
options.GuardAgainstNull(nameof(options));
if (options.Offset > ResultOptions.DefaultOffset)
{
query.Skip(options.Offset);
}
if (options.Limit > ResultOptions.DefaultLimit)
{
query.Take(options.Limit);
}
if (options.Sort.By.HasValue())
{
var propertyName = options.Sort.By;
var propertyExpression = GetPropertyExpression <TEntity>(propertyName);
if (propertyExpression != null)
{
query.OrderBy(propertyExpression, options.Sort.Direction == SortDirection.Ascending
? OrderDirection.Ascending
: OrderDirection.Descending);
}
}
if (options.Filter.Fields.Any())
{
foreach (var field in options.Filter.Fields)
{
var propertyExpression = GetPropertyExpression <TEntity>(field);
if (propertyExpression != null)
{
query.Select(propertyExpression);
}
}
}
return(query);
}