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[Bug 1240244] [NEW] Deleting an image used for a skin should give a popup warning

 

Public bug reported:

If you have a skin with a background image you should get a warning if
you try to delete this image from Content -> files.

Currently there is a warning that exist if you try to delete a file that
is used in a view.

so what we will need to do is mimic that functionality to check if the
file is used by a skin.

the tricky bit comes in with skins using a serialized blob for storing
the artefact id used, so it's not as simple as checking against a table
column as it is for the current checks.

** Affects: mahara
     Importance: Low
         Status: New

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https://bugs.launchpad.net/bugs/1240244

Title:
  Deleting an image used for a skin should give a popup warning

Status in Mahara ePortfolio:
  New

Bug description:
  If you have a skin with a background image you should get a warning if
  you try to delete this image from Content -> files.

  Currently there is a warning that exist if you try to delete a file
  that is used in a view.

  so what we will need to do is mimic that functionality to check if the
  file is used by a skin.

  the tricky bit comes in with skins using a serialized blob for storing
  the artefact id used, so it's not as simple as checking against a
  table column as it is for the current checks.

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