func (d *DB) Transact(f func(*Manager) (error, error)) (logErr, failed error) {
g := func(d db.DBer) error {
m := NewManager(d)
var revertE error
logErr, revertE = f(m)
if my, bad := Check(revertE, "manager transaction failure on execution"); bad {
return my
}
revertE = m.Close()
if my, bad := Check(revertE, "manager transaction failure on closure"); bad {
return my
}
return nil
}
err := db.Transact(d.DB, g)
if my, bad := Check(err, "managar transaction failed on db transact"); bad {
return logErr, my
}
return logErr, nil
}
func (d *DB) SourceTransact(gid int, f func(overpower.Source) (logE, revertE error)) (logErr, failErr error) {
g := func(d db.DBer) error {
m := NewManager(d)
s := NewSource(m, gid)
var revertE error
logErr, revertE = f(s)
if my, bad := Check(revertE, "source transaction failure on execution"); bad {
return my
}
revertE = m.Close()
if my, bad := Check(revertE, "source transaction failure on closure"); bad {
return my
}
return nil
}
err := db.Transact(d.DB, g)
if my, bad := Check(err, "source transaction failed on db transact"); bad {
return logErr, my
}
return logErr, nil
}