Re: Signinig up, versions, passing UMOs [was: Passing UMOs]

["Ilya A. Volynets-Evenbakh" <ilya@total-knowledge.com>]

Eh?

Alexey Parshin wrote:
> BTW, there is an interesting thing about passing not the latest
> version of the UMO. If the version of UMO is passed and it isn't the
> latest version - then UMO isn't passed since course requires the
> latest version. That made my day :)
>
> 2007/1/7, Alexey Parshin <alexeyp@gmail.com <mailto:alexeyp@gmail.com>>:
>
>     This approach means, that if several courses include each
>     different versions of the same UMO, then to pass these courses one
>     should study all the versions of the UMOs mentioned, and that is
>     simply not fair. This requires enormous waste of time for no
>     particular reason, especially if differences between versions are
>     minor. It would make more sense if the UMO is considered as passed
>     regardless of version. If the version changes are serious - then
>     we should create another UMO.
>
>     2007/1/6, Ilya A. Volynets-Evenbakh <ilya@total-knowledge.com
>     <mailto:ilya@total-knowledge.com> >:
>
>         It's not a downside.
>
>         sergey@total-knowledge.com <mailto:sergey@total-knowledge.com>
>         wrote:
>         > There is one downside I see at this point.
>         > UU is going to have bunch of UMOs in the Repository that do
>         not belong to
>         > any course. Imagine a situation when student finds a topic, a
>         test or a
>         > problem in Repository, but will not be able to study it
>         because he cannot
>         > sign up for it directly.
>         >
>         >
>         >> Little clarification:
>         >> Student can only _directly_ sign up for a course. All other
>         UMOs are
>         >> signed up for indirectly.
>         >> Which just made me realize how things should be:
>         >> 1. Student can sign up to different versions of a course
>         (provided he
>         >> has rights for that - more on this later)
>         >> 2. At the time student signs up for a course, he
>         automatically signs
>         >> up for all all objects of that course, to versions that are
>         specified in
>         >> the course at that time. IOW, a snapshot of a course is taken.
>         >> 3. While student is studying, he will not see _any_ changes
>         to the
>         >> course. IOW, retrieving version of an object to study will
>         be based
>         >> on information in sign-up tables.
>         >> 4. If there is an UMO of exact same version that student already
>         >> studied, he will not be able to "study" it again - his
>         results from
>         >> previous
>         >> passage of this UMO will carry over. Otherwise he will have
>         to pass it
>         >> again.
>         >>
>         >> Now, what we need is to adjust database schema to allow all
>         of this
>         >> (I think some info on signing-up is missing right now, but
>         I'll let
>         >> Alexey look into it himself).
>         >>
>         >> sergey@total-knowledge.com
>         <mailto:sergey@total-knowledge.com> wrote:
>         >>
>         >>>> Alexey Parshin wrote:
>         >>>>
>         >>>>
>         >>>>> If an author is really interested to see the difference -
>         then he can
>         >>>>> simply see the difference between old rating (before new
>         version) and
>         >>>>> after. For instance, the rating was 4.5 and became 4.7
>         with the new
>         >>>>> version..
>         >>>>>
>         >>>>>
>         >>>> True.
>         >>>>
>         >>>>
>         >>>>> After all, people who passed that UMO can't vote for
>         another version
>         >>>>> because it requires 'em to pass that version again. BTW,
>         this also
>         >>>>> means that students can only pass the UMO once regardless
>         of version..
>         >>>>>
>         >>>>>
>         >>>> Did you notice circular dependency in these two sentences?
>         >>>> I am not sure whether we want to allow same student to
>         pass different
>         >>>> versions of same UMO or not.
>         >>>>
>         >>>>
>         >>> Imho if Student wants to study new version of UMO, he will
>         have to
>         >>> sign-up
>         >>> for it again. And I think he should be able to submit a
>         vote on new
>         >>> version too.
>         >>>
>         >>>
>         >>>
>         >>>> --
>         >>>> Ilya A. Volynets-Evenbakh
>         >>>> Total Knowledge. CTO
>         >>>> http://www.total-knowledge.com
>         >>>>
>         >>>>
>         >>>>
>         >>>>
>         >>>
>         >>>
>         >> --
>         >> Ilya A. Volynets-Evenbakh
>         >> Total Knowledge. CTO
>         >> http://www.total-knowledge.com
>         >>
>         >>
>         >>
>         >
>         >
>         >
>
>         --
>         Ilya A. Volynets-Evenbakh
>         Total Knowledge. CTO
>         http://www.total-knowledge.com
>
>
>
>
>     -- 
>     Alexey Parshin,
>     http://www.sptk.net 
>
>
>
>
> -- 
> Alexey Parshin,
> http://www.sptk.net 

-- 
Ilya A. Volynets-Evenbakh
Total Knowledge. CTO
http://www.total-knowledge.com