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Always use last LtiParamters if multiple are stored.

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Still unsure, how that could happen. We want to prevent that
This commit is contained in:
Sebastian Serth
2020-03-19 21:43:11 +01:00
parent 615dd2eb61
commit ff0b72ead4
3 changed files with 5 additions and 5 deletions
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2
app/controllers/concerns/lti.rb
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@ -145,7 +145,7 @@ module Lti
if session[:consumer_id]
lti_parameter = LtiParameter.where(consumers_id: session[:consumer_id],
external_users_id: user_id,
exercises_id: exercise_id).first
exercises_id: exercise_id).last
consumer = Consumer.find_by(id: session[:consumer_id])
provider = build_tool_provider(consumer: consumer, parameters: lti_parameter.lti_parameters)

6
app/controllers/exercises_controller.rb
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@ -264,8 +264,8 @@ class ExercisesController < ApplicationController
end
def set_course_token
lti_parameters = LtiParameter.find_by(external_users_id: current_user.id,
exercises_id: @exercise.id)
lti_parameters = LtiParameter.where(external_users_id: current_user.id,
exercises_id: @exercise.id).last
if lti_parameters
lti_json = lti_parameters.lti_parameters["launch_presentation_return_url"]
@ -337,7 +337,7 @@ class ExercisesController < ApplicationController
lti_parameter = LtiParameter.where(consumers_id: session[:consumer_id],
external_users_id: @submission.user_id,
exercises_id: @submission.exercise_id).first
exercises_id: @submission.exercise_id).last
path = lti_return_path(consumer_id: session[:consumer_id],
submission_id: @submission.id,

2
app/helpers/lti_helper.rb
View File

@ -6,7 +6,7 @@ module LtiHelper
lti_parameters = LtiParameter.where(consumers_id: consumer_id,
external_users_id: external_user_id,
exercises_id: exercise_id).lis_outcome_service_url?
exercises_id: exercise_id).lis_outcome_service_url?.last
!lti_parameters.nil? && lti_parameters.present?
end
end