Debugging LTI 1.3 Deep Linking Response Handling

ascholerCCC
Community Member
4 hours ago

I am working on an LTI 1.3 integration and having issues figuring out why nothing seems to happen to Deep Link Response items returned from content selection.

I am successfully launching the content selection from the drop down in the course_assignment_settings_link.

Once content is selected and the form submitted, Canvas briefly displays "Retrieving Content", then the popup closes, and nothing appears to happen.

I can successfully link to the LTI tool when editing an existing assignment by selecting Submission Type: External Tool, selecting the LTI tool and then using the same workflow.

Am I trying to do something that is not possible? Should I expect to be able to add an item to an assignment via that menu?


Using pry, I can see that the data is reaching the route handler deep_linking_response route handler. Within that handler, it ends up in the "content items that don't need resources" branch.
https://github.com/instructure/canvas-lms/blob/fb2ea76d6c0fac57dea56d104dd21239645a9d92/app/controll...

It appears to successfully call ResourceLink.create_with on the resource link that was returned, but there is no sign that anything was actually created in the course


Here is the deep_link_resonse data that is reaching the controller:

 

 :current_context=>
  {:id=>1,
   :name=>"ascholer-test",
   :type=>"Course",
   :url=>"https://canvas.runestoneacademy.org/courses/1"},
 :deep_link_response=>
  {:placement=>"course_assignments_menu",
   :content_items=>
    [{"type"=>"ltiResourceLink",
      "title"=>"werwer",
      "target"=>"window",
      "url"=>"https://rs.ascholer.org/admin/lti1p3/launch",
      "window"=>{"targetName"=>"_runestone"},
      "lineItem"=>
       {"scoreMaximum"=>6,
        "label"=>"werwer",
        "resourceId"=>"26_23",
        "tag"=>"grade"},
      "lookup_uuid"=>"d3da1b3e-803a-40f9-921d-3db6ddaa61a4"},
    ],
   :ltiEndpoint=>
    "https://canvas.runestoneacademy.org/courses/1/external_tools/retrieve",
   :reloadpage=>false,
   :moduleCreated=>false,
   :replaceEditorContents=>false}}

 

 

 

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