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OJS Data Model

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OJS Data Model

Postby jpliske » Tue Nov 25, 2008 4:26 pm

Hello,

I am wondering if OJS was based on any existing Object Models for online journals. The reason I ask this is because I want to export the database and then transform/map the Relational model to an Object based model. Eventually, I want to be able to extract individual journals to an external format (in other words build a Journal Exporter). I want to discover the tree hierarchy corresponding to the database. For example, I'm guessing that 'Articles' would have 'Journals' as their parent, and 'Published Articles' would inherit from 'Articles', etc.

Jeff
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Re: OJS Data Model

Postby asmecher » Wed Nov 26, 2008 11:45 am

Hi Jeff,

The Articles & Issues export tool (see "Import/Export Data" as Journal Manager) has a mapping like you describe for everything at the Issue or Section level and below; to capture an entire journal, you'd probably only need to add the Journal level, which would wrap a journal and all of its configuration and settings. The Articles & Issues export tool is implemented in plugins/importexport/native.

Alternately, you can get a pretty comprehensive picture of the structure by looking at foreign keys; the database structure is described in dbscripts/xml/ojs_schema.xml and the Technical Reference (available on the OJS website) may also be helpful.

Regards,
Alec Smecher
Public Knowledge Project Team
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