public async Task <IDictionary <string, string> > GetUserNamesForIdsAsync(IEnumerable <string> userIds, CancellationToken cancellationToken = default)
{
return(await Users
.Where(u => userIds.Distinct().Contains(u.Id))
.Select(u => new
{
u.Id,
u.FirstName,
u.MiddleName,
u.LastName
})
.ToDictionaryAsync(
u => u.Id,
u => ProjectDbUser.GetDisplayName(u.Id, u.FirstName, u.MiddleName, u.LastName),
cancellationToken));
}
public async Task <ActionResult <IEnumerable <UserDto> > > QueryAsync([Required] string query, [Range(1, QueryResultCountMaxLimit)] int limit = QueryResultCountDefaultLimit)
{
if (!ModelState.IsValid)
{
return(BadRequest(ModelState));
}
var queryParts = query.Split(' ', StringSplitOptions.RemoveEmptyEntries).Take(QueryPartCountLimit).ToList();
if (!queryParts.Any(p => p.Length >= QueryPartMinLength))
{
return(new ActionResult <IEnumerable <UserDto> >(Enumerable.Empty <UserDto>()));
}
var match = queryParts
.Aggregate(PredicateBuilder.New <ProjectDbUser>(false), (pred, part) =>
pred.And(user =>
user.FirstName.Contains(part) || user.MiddleName.Contains(part) ||
user.LastName.Contains(part) || user.Id.StartsWith(part)));
var queryResult = await _userManager.Users
.Where(u => u.Status == CheckinStatus.CheckedIn || u.Status == CheckinStatus.CheckedOutExtended)
.Where(match)
.Select(u => new
{
u.Id,
u.FirstName,
u.MiddleName,
u.LastName,
u.Email
})
.ToListAsync();
var comparer = new IndexOfComparer(string.Join(' ', queryParts), StringComparison.CurrentCultureIgnoreCase);
return(queryResult
.Select(u => new UserDto
{
Id = u.Id,
Email = u.Email,
Name = ProjectDbUser.GetDisplayName(u.Id, u.FirstName, u.MiddleName, u.LastName)
})
.OrderBy(u => u.Name, comparer)
.ThenBy(u => u.Name)
.Take(limit)
.ToList());
}
