private int GetDistanceFromCurrentUserAsync(UserModel mainUser, UserModel targetUser)
{
double resultDistance = LocationHelper.GetDistanceBetween((double)mainUser.Longitude, (double)mainUser.Latitude,
(double)targetUser.Longitude, (double)targetUser.Latitude);
return((int)Math.Round(resultDistance));
}
public async Task <Page <User> > GetPageAsync(UserFilter userFilter, User user)
{
double latitude = (double)user.Latitude,
longitude = (double)user.Longitude;
// hack for correct first user's output int filter list
// without it first user will have no lang, hobbies etc...
await _context.User
.Include(u => u.Credentials)
.Include(u => u.Languages)
.Include(u => u.Hobbies)
.ThenInclude(uh => uh.Hobby)
.ThenInclude(h => h.Category)
.FirstOrDefaultAsync();
IEnumerable <User> users = await _context.User
.Where(u => u.Id != user.Id)
.Where(u => userFilter.Gender != null ?
u.Gender == userFilter.Gender : true)
.Where(u => (userFilter.Languages != null &&
userFilter.Languages.Count() != 0) ?
userFilter.Languages.Any(fl => u.Languages.Any(
ul => ul.LanguageCode == fl &&
LevelInRange(ul, userFilter.MinLevel))) : true)
.Where(u => (userFilter.MaxAge != null) ?
GetAge(u.Birthdate) <= userFilter.MaxAge : true)
.Where(u => (userFilter.MinAge != null) ?
GetAge(u.Birthdate) >= userFilter.MinAge : true)
.Include(u => u.Languages)
.ThenInclude(ul => ul.Language)
.Include(u => u.Credentials)
.Include(u => u.Hobbies)
.ThenInclude(h => h.Hobby)
.ToListAsync();
users = users
.Where(u => (userFilter.MaxDistance != null) ?
LocationHelper.GetDistanceBetween((double)u.Longitude, (double)u.Latitude,
longitude, latitude) <= userFilter.MaxDistance : true)
.ToArray();
int totalAmount = users.Count();
if (userFilter.PageSize == null)
{
userFilter.PageSize = _defaultPageSize;
}
return(new Page <User>()
{
Entities = users.OrderBy(u => u.CreatedAt)
.SkipWhile(m => m.CreatedAt > userFilter.TimeStamp)
.Skip((userFilter.PageNumber - 1) * userFilter.PageSize.Value)
.Take(userFilter.PageSize.Value).ToList(),
PageNumber = userFilter.PageNumber,
PageSize = userFilter.PageSize.Value,
TotalAmount = totalAmount,
TimeStamp = DateTimeOffset.UtcNow
});
}
public async Task <int> GetDistanceFromCurrentUserAsync(Guid mainUserId, Guid targetUserId)
{
User mainUser = await _repository.GetAsync(mainUserId);
User targetUser = await _repository.GetAsync(targetUserId);
double resultDistance = LocationHelper.GetDistanceBetween((double)mainUser.Longitude, (double)mainUser.Latitude,
(double)targetUser.Longitude, (double)targetUser.Latitude);
return((int)Math.Round(resultDistance));
}
public async Task <Page <Event> > GetEventsPageAsync(
EventFilter eventFilter, Location location)
{
double latitude = (double)location.Latitude,
longtitude = (double)location.Longitude;
DateTimeOffset now = DateTimeOffset.Now;
IEnumerable <Event> events = await _context.Event
.Where(e => (eventFilter.Languages != null &&
eventFilter.Languages.Count() != 0)?
eventFilter.Languages.Contains(e.LanguageCode) : true)
.Where(e => (eventFilter.MaxNumberOfParticipants != null) ?
e.MaxParticipants <= eventFilter.MaxNumberOfParticipants : true)
.Where(e => (eventFilter.MaxStartDate != null) ?
e.StartTime <= eventFilter.MaxStartDate : true)
.Where(e => (eventFilter.MinStartDate != null) ?
e.StartTime >= eventFilter.MinStartDate : true)
.Where(e => e.StartTime >= now)
.Include(e => e.Creator)
.Include(e => e.Language)
.Include(e => e.Participants)
.ThenInclude(ue => ue.User)
.ToListAsync();
events = events
.Where(e => (eventFilter.MaxDistance != null) ?
LocationHelper.GetDistanceBetween((double)e.Longitude, (double)e.Latitude,
longtitude, latitude) <= eventFilter.MaxDistance : true)
.ToArray();
int totalAmount = events.Count();
if (eventFilter.PageSize == null)
{
eventFilter.PageSize = _defaultPageSize;
}
return(new Page <Event>()
{
Entities = events.OrderBy(e => e.StartTime)
.SkipWhile(m => m.StartTime > eventFilter.TimeStamp)
.Skip((eventFilter.PageNumber - 1) * eventFilter.PageSize.Value)
.Take(eventFilter.PageSize.Value).ToList(),
PageNumber = eventFilter.PageNumber,
PageSize = eventFilter.PageSize.Value,
TotalAmount = totalAmount,
TimeStamp = DateTimeOffset.UtcNow
});
}
