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[Kristina Hoeppner <2004852@xxxxxxxxxxxxxxxxxx>]

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https://bugs.launchpad.net/bugs/2004852

Title:
  LTI 1.1 grading not working for some locales

Status in Mahara 21.10 series:
  Fix Released
Status in Mahara 22.04 series:
  Fix Released
Status in Mahara 22.10 series:
  Fix Released
Status in Mahara 23.04 series:
  Fix Released

Bug description:
  With a LTI to a Moodle instance, when the teachers grades a
  submission, the grade is not sent to Moodle in some cases. I think it
  has to do with my server's locale set to french. The grade of 94%, for
  example, si translated to 0,94 instead of 0.94.

  I printed some debug and was able to see the error "Score must be
  numeric". I also printed the xml from the $body variable (see
  attachment).

  I made a few changes in function publish_lti_outcome of
  htdocs/module/lti/lib.php around line 1001 and it now works correctly.

  $grade = $this->grade / 100;
  $grade = str_replace(',', '.', $grade);
  $smarty->assign('score', $grade);

  This was tested with Mahara 22.10 and Moodle 3.11.

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