93 lines
3.4 KiB
Ruby
93 lines
3.4 KiB
Ruby
module Lti
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class LtiUserCreator
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# deprecated mapping
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ENROLLMENT_MAP = {
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StudentEnrollment => LtiOutbound::LTIRoles::ContextNotNamespaced::LEARNER,
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TeacherEnrollment => LtiOutbound::LTIRoles::ContextNotNamespaced::INSTRUCTOR,
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TaEnrollment => LtiOutbound::LTIRoles::ContextNotNamespaced::TEACHING_ASSISTANT,
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DesignerEnrollment => LtiOutbound::LTIRoles::ContextNotNamespaced::CONTENT_DEVELOPER,
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ObserverEnrollment => LtiOutbound::LTIRoles::ContextNotNamespaced::OBSERVER,
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AccountUser => LtiOutbound::LTIRoles::Institution::ADMIN,
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StudentViewEnrollment => LtiOutbound::LTIRoles::ContextNotNamespaced::LEARNER
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}
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def initialize(canvas_user, canvas_root_account, canvas_tool, canvas_context, variable_substitutor = nil)
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@canvas_user = canvas_user
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@canvas_root_account = canvas_root_account
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@canvas_context = canvas_context
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@opaque_identifier = canvas_tool.opaque_identifier_for(@canvas_user)
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@variable_substitutor = variable_substitutor
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@pseudonym = false
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end
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def convert
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user = ::LtiOutbound::LTIUser.new
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user.id = @canvas_user.id
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user.avatar_url = @canvas_user.avatar_url
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user.email = @canvas_user.email
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user.first_name = @canvas_user.first_name
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user.last_name = @canvas_user.last_name
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user.name = @canvas_user.name
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user.opaque_identifier = @opaque_identifier
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user.timezone = Time.zone.tzinfo.name
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user.current_roles = -> { current_roles() }
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user.currently_active_in_course = -> { currently_active_in_course?() }
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user.concluded_roles = -> { concluded_roles() }
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user.login_id = -> { pseudonym ? pseudonym.unique_id : nil }
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user.sis_source_id = -> { pseudonym ? pseudonym.sis_user_id : nil }
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lti_helper = Lti::SubstitutionsHelper.new(@canvas_context, @canvas_root_account, @canvas_user)
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user.current_roles = lti_helper.current_lis_roles.split(',')
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user
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end
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private
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def pseudonym
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if @pseudonym === false
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@pseudonym ||= @canvas_user.find_pseudonym_for_account(@canvas_root_account)
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end
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@pseudonym
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end
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def current_roles
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map_enrollments_to_roles(current_course_enrollments + current_account_enrollments)
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end
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def currently_active_in_course?
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current_course_enrollments.any? { |membership| membership.state_based_on_date == :active } if @canvas_context.is_a?(Course)
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end
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def concluded_roles
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map_enrollments_to_roles(concluded_course_enrollments)
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end
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def map_enrollments_to_roles(enrollments)
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enrollments.map { |enrollment| ENROLLMENT_MAP[enrollment.class] }.uniq
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end
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def current_course_enrollments
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return [] unless @canvas_context.is_a?(Course)
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@current_course_enrollments ||= @canvas_user.enrollments.current.where(course_id: @canvas_context).to_a
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end
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def current_account_enrollments()
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unless @current_account_enrollments
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if @canvas_context.respond_to?(:account_chain) && !@canvas_context.account_chain.empty?
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@current_account_enrollments = @canvas_user.account_users.where(account_id: @canvas_context.account_chain).uniq.to_a
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else
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@current_account_enrollments = []
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end
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end
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@current_account_enrollments
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end
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def concluded_course_enrollments
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@concluded_course_enrollments ||=
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@canvas_context.is_a?(Course) ? @canvas_user.enrollments.concluded.where(course_id: @canvas_context).to_a : []
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end
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end
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end
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