2f97c0357c
Previously, we were not properly rejecting the submission, so that the channel name was still evaluated (leading to errors). Now, we handle these cases as well. Fixes CODEOCEAN-V2
35 lines
858 B
Ruby
35 lines
858 B
Ruby
# frozen_string_literal: true
|
|
|
|
class LaExercisesChannel < ApplicationCable::Channel
|
|
def subscribed
|
|
set_and_authorize_exercise
|
|
set_and_authorize_study_group
|
|
|
|
stream_from specific_channel unless subscription_rejected?
|
|
end
|
|
|
|
def unsubscribed
|
|
stop_all_streams
|
|
end
|
|
|
|
private
|
|
|
|
def specific_channel
|
|
"la_exercises_#{@exercise.id}_channel_study_group_#{@study_group.id}"
|
|
end
|
|
|
|
def set_and_authorize_exercise
|
|
@exercise = Exercise.find(params[:exercise_id])
|
|
reject unless ExercisePolicy.new(current_user, @exercise).implement?
|
|
rescue ActiveRecord::RecordNotFound
|
|
reject
|
|
end
|
|
|
|
def set_and_authorize_study_group
|
|
@study_group = @exercise.study_groups.find(params[:study_group_id])
|
|
reject unless StudyGroupPolicy.new(current_user, @study_group).stream_la?
|
|
rescue ActiveRecord::RecordNotFound
|
|
reject
|
|
end
|
|
end
|