/// <summary>
/// Updates an object; returns an updated object or null if the object does not exist
/// </summary>
/// <typeparam name="T"></typeparam>
/// <typeparam name="TAccount"></typeparam>
/// <param name="dbCtx"></param>
/// <param name="userAccountService"></param>
/// <param name="uuid"></param>
/// <returns></returns>
protected internal virtual async Task <T> UpdateAsync <T, TAccount>(DbContext dbCtx, UserAccountService <TAccount> userAccountService, Guid uuid)
where T : MapHiveUserBase
where TAccount : RelationalUserAccount
{
T output;
//reassign guid - it usually comes through rest api, so not always present on the object itself
//this is usually done at the base lvl, but need proper id for the user validation!
Uuid = uuid;
//need to validate the model first
await ValidateAsync(dbCtx);
//make sure the email is ALWAYS lower case
Email = Email.ToLower();
//Note: user account resides in two places - MembershipReboot and the MapHive metadata database.
//therefore need t manage it in tow places and obviously make sure the ops are properly wrapped into transactions
//first get the user as saved in the db
var mbrUser = userAccountService.GetByID(uuid);
if (mbrUser == null)
{
throw new BadRequestException(string.Empty);
}
//in order to check if some mbr ops are needed need to compare the incoming data with the db equivalent
var currentStateOfUser = await ReadAsync <T>(dbCtx, uuid);
//work out if email is being updated and make sure to throw if it is not possible!
var updateEmail = false;
if (currentStateOfUser.Email != Email)
{
//looks like email is about to be changed, so need to check if it is possible to proceed
var mbrUserWithSameEmail = userAccountService.GetByEmail(Email);
if (mbrUserWithSameEmail != null && mbrUserWithSameEmail.ID != uuid)
{
throw Validation.Utils.GenerateValidationFailedException(nameof(Email), ValidationErrors.EmailInUse);
}
//looks like we're good to go.
updateEmail = true;
}
DbContext mbrDbCtx = GetMembershipRebootDbCtx(userAccountService);
System.Data.Common.DbTransaction mbrTrans = null;
System.Data.Common.DbTransaction mhTransaction = null;
//since this method wraps the op on 2 dbs into transactions, it must handle connections manually and take care of closing it aftwerwards
//it is therefore required to clone contexts with independent conns so the base contexts can be reused
var clonedMhDbCtx = dbCtx.Clone(contextOwnsConnection: false);
var clonedMbrDbCtx = mbrDbCtx.Clone(false);
try
{
//open the connections as otherwise will not be able to begin transaction
await clonedMbrDbCtx.Database.Connection.OpenAsync();
await clonedMhDbCtx.Database.Connection.OpenAsync();
//begin the transaction and set the transaction object back on the db context so it uses it
//do so for both contexts - mbr and mh
mbrTrans = clonedMbrDbCtx.Database.Connection.BeginTransaction();
clonedMbrDbCtx.Database.UseTransaction(mbrTrans);
mhTransaction = clonedMhDbCtx.Database.Connection.BeginTransaction();
clonedMhDbCtx.Database.UseTransaction(mhTransaction);
//check if mbr email related work is needed at all...
if (updateEmail)
{
//Note:
//since the change comes from the user edit, can assume this is an authorised operation...
userAccountService.SetConfirmedEmail(uuid, Email);
}
//also check the IsAccountClosed, as this may be modified via update too, not only via Destroy
//btw. destroy just adjust the model's property and delegates the work to update
if (currentStateOfUser.IsAccountClosed != IsAccountClosed)
{
if (IsAccountClosed)
{
userAccountService.CloseAccount(uuid);
}
else
{
userAccountService.ReopenAccount(uuid);
}
}
//check the account verification status
if (!mbrUser.IsAccountVerified)
{
if (IsAccountVerified)
{
userAccountService.SetConfirmedEmail(uuid, Email);
}
}
else
{
//force one way changes only
IsAccountVerified = true;
}
//mbr work done, so can update the user within the mh metadata db
output = await base.UpdateAsync <T>(clonedMhDbCtx, uuid);
//looks like we're good to go, so can commit
mbrTrans.Commit();
mhTransaction.Commit();
}
catch (Exception ex)
{
mbrTrans?.Rollback();
mhTransaction?.Rollback();
throw Validation.Utils.GenerateValidationFailedException(ex);
}
finally
{
//try to close the connections as they were opened manually and therefore may not have been closed!
clonedMhDbCtx.Database.Connection.CloseConnection(dispose: true);
clonedMbrDbCtx.Database.Connection.CloseConnection(dispose: true);
mbrTrans?.Dispose();
mhTransaction?.Dispose();
}
return(output);
}
