public async Task <OperationResult <UserCurrentLocation> > SetCurrentLocationForUserAsync(UserCurrentLocationUpdate model)
{
var success = false;
var userCurrentLocation = new UserCurrentLocation();
try
{
userCurrentLocation.Id = model.Id;
userCurrentLocation.CurrentLocation = model.CurrentLocation;
userCurrentLocation.TimeAtLocation = DateTime.UtcNow;
await UpdateCurrentLocationForUser(userCurrentLocation);
await UpdateLocationHistoryForUser(userCurrentLocation);
await UpdateAllUsersCurrentLocation(userCurrentLocation);
success = true;
}
catch (Exception ex)
{
_logger.LogError(ex, $"{nameof(SetCurrentLocationForUserAsync)} - {model.Id}");
}
return(new OperationResult <UserCurrentLocation>()
{
Success = success,
Model = userCurrentLocation
});
}
private async Task UpdateAllUsersCurrentLocation(UserCurrentLocation userCurrentLocation)
{
var allUsersCurrentLocation = new List <UserCurrentLocation>();
try
{
allUsersCurrentLocation = await GetAllUsersCurrentLocation();
var index = allUsersCurrentLocation.FindIndex(u =>
{
return(String.Compare(u.Id, userCurrentLocation.Id, StringComparison.InvariantCultureIgnoreCase) == 0);
});
if (index > -1)
{
allUsersCurrentLocation.RemoveAt(index);
}
allUsersCurrentLocation.Add(userCurrentLocation);
var allUsersCurrentLocationJson = JsonSerializer.Serialize(allUsersCurrentLocation);
await _distributedCache.SetStringAsync(ALL_USERS_CURRENT_LOCATION_KEY, allUsersCurrentLocationJson);
}
catch (Exception ex)
{
_logger.LogError(ex, $"nameof(UpdateAllUsersCurrentLocation): {userCurrentLocation.Id}");
throw new Exception($"nameof(UpdateAllUsersCurrentLocation): {userCurrentLocation.Id}", ex);
}
}
private async Task UpdateCurrentLocationForUser(UserCurrentLocation userCurrentLocation)
{
try
{
var key = $"{userCurrentLocation.Id}{USER_CURRENT_LOCATION_KEY_SUFFIX}";
var userCurrentLocationJson = JsonSerializer.Serialize(userCurrentLocation);
await _distributedCache.SetStringAsync(key, userCurrentLocationJson);
}
catch (Exception ex)
{
_logger.LogError(ex, $"nameof(UpdateCurrentLocationForUser): {userCurrentLocation.Id}");
throw new Exception($"nameof(UpdateCurrentLocationForUser): {userCurrentLocation.Id}", ex);
}
}
private async Task UpdateLocationHistoryForUser(UserCurrentLocation userCurrentLocation)
{
var userLocationHistory = new List <UserCurrentLocation>();
try
{
var key = $"{userCurrentLocation.Id}{USER_LOCATION_HISTORY_SUFFIX}";
var userLocationHistoryJson = await _distributedCache.GetStringAsync(key);
if (!string.IsNullOrWhiteSpace(userLocationHistoryJson))
{
userLocationHistory = JsonSerializer.Deserialize <List <UserCurrentLocation> >(userLocationHistoryJson);
}
userLocationHistory.Add(userCurrentLocation);
userLocationHistoryJson = JsonSerializer.Serialize(userLocationHistory);
await _distributedCache.SetStringAsync(key, userLocationHistoryJson);
}
catch (Exception ex)
{
_logger.LogError(ex, $"nameof(UpdateLocationHistoryForUser): {userCurrentLocation.Id}");
throw new Exception($"nameof(UpdateLocationHistoryForUser): {userCurrentLocation.Id}", ex);
}
}
