66 lines
2.3 KiB
Ruby
66 lines
2.3 KiB
Ruby
# frozen_string_literal: true
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class ProgrammingGroupsController < ApplicationController
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include CommonBehavior
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include LtiHelper
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before_action :set_exercise_and_authorize
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def new
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if current_user.submissions.where(exercise: @exercise, study_group_id: current_user.current_study_group_id).any?
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# A learner has worked on this exercise **alone** in the context of the **current study group**, so we redirect them to their progress.
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redirect_to_exercise
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elsif (existing_programming_group = current_user.programming_groups.find_by(exercise: @exercise))
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# A learner has worked on this exercise **as part of a programming group**, so we redirect them to their progress.
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session[:pg_id] = existing_programming_group.id
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redirect_to_exercise
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else
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# The learner has neither worked on this exercise alone in the context of the current study group
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# nor as part of a programming group (overall), so we allow creating a new programming group.
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@programming_group = ProgrammingGroup.new(exercise: @exercise)
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authorize!
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end
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end
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def create
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programming_partner_ids = programming_group_params[:programming_partner_ids].split(',').map(&:strip).uniq
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users = programming_partner_ids.map do |partner_id|
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User.find_by_id_with_type(partner_id)
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rescue ActiveRecord::RecordNotFound
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partner_id
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end
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@programming_group = ProgrammingGroup.new(exercise: @exercise, users:)
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authorize!
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unless programming_partner_ids.include? current_user.id_with_type
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@programming_group.add(current_user)
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end
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create_and_respond(object: @programming_group, path: proc { implement_exercise_path(@exercise) }) do
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session[:pg_id] = @programming_group.id
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nil
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end
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end
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private
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def authorize!
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authorize(@programming_group)
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end
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def programming_group_params
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params.require(:programming_group).permit(:programming_partner_ids)
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end
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def set_exercise_and_authorize
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@exercise = Exercise.find(params[:exercise_id])
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authorize(@exercise, :implement?)
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end
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def redirect_to_exercise
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skip_authorization
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redirect_to(implement_exercise_path(@exercise),
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notice: t("sessions.create_through_lti.session_#{lti_outcome_service?(@exercise, current_user) ? 'with' : 'without'}_outcome", consumer: @consumer))
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end
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end
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