public IEnumerable <Person> Search(SearchPersonCriteria criteria)
{
if (criteria == null)
{
throw new ArgumentNullException(nameof(criteria));
}
if (ShouldUseExactName(criteria) && ShouldUsePartialName(criteria))
{
throw new ArgumentException(
"Cannot use partial and exact search at the same time.",
nameof(criteria));
}
var query = this.dbContext.Persons.AsQueryable();
if (ShouldUseExactName(criteria))
{
query = query.Where(p => p.Name == criteria.ExactName);
}
if (ShouldUsePartialName(criteria))
{
query = query.Where(p => p.Name.Contains(criteria.PartialName));
}
if (criteria.GroupId.HasValue)
{
query = query.Where(p => p.GroupId == criteria.GroupId.Value);
}
return(query.ToArray());
}
private static bool ShouldUsePartialName(SearchPersonCriteria criteria)
{
return(!string.IsNullOrEmpty(criteria.PartialName));
}