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Implement model stubs

The data model will be the following:

  • DisplayGroup
    • A display group can hold several displays (one in the simplest case), and contains the configuration for these displays
    • It has at least the following fields: name, slug
  • Display
    • A display configures a single info screen
    • It is always linked to a display group
    • It has at least the following fields: hostname
  • Slide
    • A slide defines one content file to display
    • It is linked to a display group
    • The slides need to be orderable, so there probably needs to be an order field on the through model; the Django docs or StackOverflow probably know how to do this, or the dashboard widget code in the AlekSIS-Core
    • This needs to be a polymorphic model, because there are several types of slides. Copy the mechanism from the DashboardWidget system.
    • Please structure the models into a package with base and slides modules, with the latter containing the slide subtypes
  • ForeignURLSlide
    • This is a subclass of Slide and has one additional field: url (an URLField)
  • UploadedFileSlide
    • This is a subclass of Slide and has one additional field: file (a FileField)
    • It must accept file types pdf jpg jpeg png tif bmp ppm avi mov mp4 mkv webm ogv mpg mpeg ts flv
  • StaticContentSlide
    • This is a subclass of Slide and has one additional field: content (a RichTextField)
Edited by Nik | Klampfradler
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