[Building Sakai] Course enrollment information
Steve Swinsburg
steve.swinsburg at gmail.com
Wed Sep 24 19:16:05 PDT 2014
If you are not using the cm then the data is in the sakai_site table for
sites and the various realm tables for the users. You want to look at the
Site Service API to get this data.
Cheers
Steve
sent from my mobile
On 25/09/2014 3:57 AM, "Venkat Ravikanti" <vravikan at yahoo.com> wrote:
> Hi Steve,
>
> Thanks for sharing the info.
>
> I have one more question.
>
> Do you know where the courses and participant information will be stored
> in Sakai if we do not implement CM Provider.
>
> What are the APIs we need to use to get the same information.
>
> For CM provider I know the list of APIs to used to extract the course and
> participants information
> (
> http://source.sakaiproject.org/release/2.9.3/apidocs/org/sakaiproject/coursemanagement/api/CourseManagementService.html
> )
>
> About our project we are trying to extract the information from various
> source LMSs ( Oracle ilearning and Sakai ) into one common portal.
>
> Since we are using the data base level queries to fetch the information
> from Oracle iLearning, I thought we can use the same in Sakai. That's the
> reason for me to start looking into Sakai database tables.
>
>
> Thanks,
> Venkat
>
>
>
>
> On Tuesday, September 23, 2014 4:28 PM, Steve Swinsburg <
> steve.swinsburg at gmail.com> wrote:
>
>
> Beginners do not need to even worry about what the data base tables do.
> The number one rule of Sakai development is to not touch any database table
> that you or your app did not create. There are APIs for every single tool
> that you can use to get at data, which then goes through validation and
> security checking. Going to the database directly you lose all of this.
> Whatever you are trying to do you can do via the web services or the APIs.
>
> You can also create a new API if you need to get at some specific piece of
> data.
>
> The reason there has been no data dictionary published is that:
> 1. We discourage people from touching the database tables directly (see
> above)
> 2. The database schema can change between releases meaning the dictionary
> needs to be republished and volunteers don't have time to spend on an
> exercise that we discourage.
>
> You can create your own data dictionary/relationship diagram easily enough
> though, use something like DB Visualiser or the tools in Oracle SQL
> Developer. There are over 360 tables in trunk though, the diagram is going
> to be big.
>
> For CM integration:
> https://confluence.sakaiproject.org/display/SAKDEV/Course+Management+Integration
> For the portlets:
> https://wiki.jasig.org/display/PLT/Sakai+connector+portlet
> https://wiki.jasig.org/display/PLT/Basic+LTI+Portlet
>
> If you are using uPortal then there are included by default.
>
> cheers,
> Steve
>
>
> On Wed, Sep 24, 2014 at 1:25 AM, Venkat Ravikanti <vravikan at yahoo.com>
> wrote:
>
> Thanks Neal and Steve.
>
> Steve,
>
> Can you pl. let me know how to enable or configure CM provider in Sakai.
> We are using Version 2.9.3.
>
> Also, can you point me where I can get the portlets you are mentioning for
> rest and soap services.
>
> Neal,
>
> Regarding data dictionary. For Sakai beginners like me it is difficult
> to figure out how the tables are related to each other. I can get the
> data dictionary info in a spreadsheet from DB using the following query:
>
> select t.table_schema as db_name,
> t.table_name,
> (case when t.table_type = 'BASE TABLE' then 'table'
> when t.table_type = 'VIEW' then 'view'
> else t.table_type
> end) as table_type,
> c.column_name,
> c.column_type,
> c.column_default,
> c.column_key,
> c.is_nullable,
> c.extra,
> c.column_comment
> from information_schema.tables as t
> inner join information_schema.columns as c
> on t.table_name = c.table_name
> and t.table_schema = c.table_schema
> where t.table_type in('base table', 'view')
> and t.table_schema like '%'
> order by t.table_schema, t.table_name, c.ordinal_position
>
> However it will be really useful if Sakai provides entity relationship
> diagram ( ERD) linking all the tables in the database.
>
> Regards,
> Venkat
>
>
>
>
> On Tuesday, September 23, 2014 3:55 AM, Steve Swinsburg <
> steve.swinsburg at gmail.com> wrote:
>
>
> Use the API's to get the data. The cm tables are used by the course
> management service and from you original post it doesn't look like you have
> a cm provider. So the users aren't going to be in those tables.
> If you are wanting the data in an external system there are rest and soap
> services to give you what you need and there are even two portlets you can
> use to provide a deeper integration.
> Cheers
> Steve
> sent from my mobile
> On 17/09/2014 1:45 AM, "Neal Caidin" <neal.caidin at apereo.org> wrote:
>
> Hi Venkat,
>
> Thanks. I would presume you should be using the Sakai APIs. I'm copying in
> the developer list so that they can provide more details.
>
> Cheers,
> Neal
>
>
> Venkat Ravikanti <vravikan at yahoo.com>
> September 16, 2014 at 10:05 AM
> Neal,
>
> We are working on a project where we need to bring the information from
> Sakai LMS and show it on external Portal for user to access.
>
> As you see from my original post we are not able to see the information
> entered on the Sakai portal in the tables. I may be looking in wrong tables
> here.
>
> Can you pl. guide me on this. If you have sometime I can show you what I
> am doing through Skype.
>
> Thanks,
> Venkat
>
>
>
>
> On Tuesday, September 16, 2014 8:54 AM, Neal Caidin
> <neal.caidin at apereo.org> <neal.caidin at apereo.org> wrote:
>
>
> And of course it depends what is needed with the information. Is it
> curiosity? Solving a specific problem? Writing a new tool? Access the data
> outside of Sakai? etc.
>
> -- Neal
>
>
> On Thu, Sep 11, 2014 at 10:26 AM, Brian Baillargeon <bbailla2 at uwo.ca>
> wrote:
>
>
>
> Neal Caidin <neal.caidin at apereo.org>
> September 16, 2014 at 8:53 AM
> And of course it depends what is needed with the information. Is it
> curiosity? Solving a specific problem? Writing a new tool? Access the data
> outside of Sakai? etc.
>
> -- Neal
>
>
>
> Brian Baillargeon <bbailla2 at uwo.ca>
> September 11, 2014 at 10:26 AM
> I just did a quick search on confluence.sakaiproject.org and found a
> little documentation that hasn't been modified since 2006, but it might be
> useful nonetheless:
> https://confluence.sakaiproject.org/display/CM/CM+API+Design+-+Round+1
>
> Anyway, the table that stores roster memberships is CM_MEMBERSHIP_T
>
> mysql> describe cm_membership_t;
>
> +---------------------+--------------+------+-----+---------+----------------+
> | Field | Type | Null | Key | Default |
> Extra |
>
> +---------------------+--------------+------+-----+---------+----------------+
> | MEMBER_ID | bigint(20) | NO | PRI | NULL |
> auto_increment |
> | VERSION | int(11) | NO | | NULL
> | |
> | USER_ID | varchar(255) | NO | MUL | NULL
> | |
> | ROLE | varchar(255) | NO | | NULL
> | |
> | MEMBER_CONTAINER_ID | bigint(20) | YES | MUL | NULL
> | |
> | STATUS | varchar(255) | YES | | NULL
> | |
>
> +---------------------+--------------+------+-----+---------+----------------+
>
> Note: the CM_ tables store information about official rosters, which might
> not necessarily map to users' current role in the site if a role has been
> changed. Also, you won't find any unofficial participants in these tables.
> If you want the union of official and unofficial participants, I think they
> can be found in sakai_realm_rl_gr, but there might be a more authoritative
> source.
>
> On 14-09-10 06:46 PM, Venkat Ravikanti wrote:
>
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> Venkat Ravikanti <vravikan at yahoo.com>
> September 10, 2014 at 6:46 PM
> Hi,
>
> I am new to Sakai. Need your help on the Sakai Tables.
>
> I am looking to find the mysql tables where the course enrollment
> information stored.
>
> Here is my scenario:
>
> 1. Created Course Site with couple of courses
> 2. Created Users
> 3. Added the Users to the above created courses as Participants
>
> Now when I am trying to query for the participants information in
> CM_ENROLLMENT_T or CM_ENROLLMENT_SET_T. No Luck. These two tables are empty
>
> Can someone help with me following:
>
> 1. Data dictionary for Sakai tables with some notes on which table stands
> for what
> 2. Which table stores the participants or enrollment information.
>
>
> Thanks for your help.
> Venkat
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>
> --
> Neal Caidin
> Sakai Community Coordinator
> Apereo Foundation
> neal.caidin at apereo.org
> Skype me! (but let me know in advance for the first interaction) - nealkdin
>
>
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>
>
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>
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