public async Task <string> LoginMobileAsync(LoginModelMobile loginModel)
{
try
{
AspNetUserDevices device = _idoContext.AspNetUserDevices.Where(i => i.DeviceId == loginModel.deviceId).FirstOrDefault();
if (device == null)
{
var user = await _userManager.FindByNameAsync(Uri.UnescapeDataString(loginModel.username));
if (user != null && await _userManager.CheckPasswordAsync(user, Uri.UnescapeDataString(loginModel.password)))
{
device = new AspNetUserDevices
{
DeviceGuid = Guid.NewGuid(),
DeviceId = loginModel.deviceId,
UserId = user.Id,
LastAccess = DateTime.MinValue
};
_idoContext.Add(device);
_idoContext.SaveChanges();
}
MD5 md5 = System.Security.Cryptography.MD5.Create();
byte[] inputBytes = System.Text.Encoding.ASCII.GetBytes(device.DeviceId + device.DeviceGuid.ToString());
byte[] hash = md5.ComputeHash(inputBytes);
// step 2, convert byte array to hex string
StringBuilder sb = new StringBuilder();
for (int i = 0; i < hash.Length; i++)
{
sb.Append(hash[i].ToString("X2"));
}
device.LastAccess = DateTime.Now;
device.DeviceHash = sb.ToString();
_idoContext.Update(device);
_idoContext.SaveChanges();
return(sb.ToString());
}
else
{
return(device.DeviceHash.ToString());
}
}
catch (Exception e)
{
return("invalid user");
}
}
public string SyncAdvices(AuthorizationJson auth)
{
AspNetUserDevices devInfo = new AspNetUserDevices();
var userId = _idoContext.AspNetUserDevices.Where(dev => dev.DeviceId == auth.DeviceId && dev.DeviceHash == auth.DeviceHash).Select(dev => dev.UserId).FirstOrDefault();
if (userId != null)
{
try
{
//var membershipUser = Membership.GetUser(userData.UserId);
string st = $@"{userId}-{auth.DeviceId}";
var result = _obsContext.LastSyncVersion.Where(lsv => lsv.SyncTypeName == st).ToList();
List <Observation> returnObs = new List <Observation>();
if (result.Count() < 1)
{
returnObs = _obsContext.Observation.Where(o => o.UserId == userId).ToList();
LastSyncVersion newLsv = new LastSyncVersion {
SyncTypeName = st, VersionDate = DateTime.Now, DeviceId = auth.DeviceId, UserId = userId
};
_obsContext.Add(newLsv);
}
else
{
foreach (LastSyncVersion lsvItem in result)
{
List <Observation> temp = _obsContext.Observation.Where(o => o.UserId == userId && o.LastEditDate >= lsvItem.VersionDate).ToList();
returnObs.AddRange(temp);
lsvItem.VersionDate = DateTime.Now;
}
_obsContext.UpdateRange(result);
}
_obsContext.SaveChanges();
//var resultIds = _obsContext.Observation.Where(o => o.UserId == userId && o.Version > ).Select(lsv => lsv.U).ToList();
return(JsonConvert.SerializeObject(returnObs));
}
catch (Exception e)
{
throw e;
}
}
return(JsonConvert.SerializeObject("invalid user"));
}
