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Re: Course<->topic relationship



From that POV, Course could actually be derived from Topic.
And in a way it is - after all, Course does cover some Topic/subject.

Anatoly Volynets wrote:
> I still do not see a crucial reason to have one top level topic. If
> course is an administrative unit (which is actually true) then let it
> do its job: manage list of topics first of all. This is natural an
> casual way of course organizing. Yes, topic of any level can have list
> of subtopics like a course does, but this is not that heavy price in
> my view.
>
> If you need it badly from the programming point of view, make a parent
> class for course and topic, but do not confuse your customers with
> "one topic course" or "no in course topic"
>
>
> Ilya A. Volynets-Evenbakh wrote:
>> Looking at data model, it seems that somewhat cleaner way to design
>> things is to make a _single_ top-level topic for a course.
>> Reasoning:
>> We will have subtopic lists, dependencies, etc. functionality in topic
>> class itself. Also problems and tests belong to topics, not to course.
>> Thus, course will be purely administrative unit, with no real content,
>> that links to top-level topic, which will drive the rest of learning
>> process.
>>
>> Objections?
>>
>>   
>

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


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