88 lines
3.2 KiB
Ruby
88 lines
3.2 KiB
Ruby
#
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# Copyright (C) 2016 - present Instructure, Inc.
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#
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# This file is part of Canvas.
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#
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# Canvas is free software: you can redistribute it and/or modify it under
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# the terms of the GNU Affero General Public License as published by the Free
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# Software Foundation, version 3 of the License.
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#
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# Canvas is distributed in the hope that it will be useful, but WITHOUT ANY
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# WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR
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# A PARTICULAR PURPOSE. See the GNU Affero General Public License for more
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# details.
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#
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# You should have received a copy of the GNU Affero General Public License along
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# with this program. If not, see <http://www.gnu.org/licenses/>.
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class AssignmentConfigurationToolLookup < ActiveRecord::Base
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belongs_to :tool, polymorphic: [:context_external_tool, message_handler: 'Lti::MessageHandler']
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belongs_to :assignment
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after_create :create_subscription
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# Do not add before_destroy or after_destroy, these records are "delete_all"ed
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def lti_tool
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@_lti_tool ||= begin
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if tool_id.present?
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tool
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elsif tool_type == 'Lti::MessageHandler'
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Lti::MessageHandler.by_resource_codes(
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vendor_code: tool_vendor_code,
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product_code: tool_product_code,
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resource_type_code: tool_resource_type_code,
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context: assignment.course
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)
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end
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end
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end
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def destroy_subscription
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return unless lti_tool.instance_of? Lti::MessageHandler
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tool_proxy = lti_tool.resource_handler.tool_proxy
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Lti::AssignmentSubscriptionsHelper.new(tool_proxy).destroy_subscription(subscription_id)
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end
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def resource_codes
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if tool_type == 'Lti::MessageHandler' && tool_id.blank?
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return {
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product_code: tool_product_code,
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vendor_code: tool_vendor_code,
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resource_type_code: tool_resource_type_code
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}
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elsif tool_type == 'Lti::MessageHandler' && tool_id.present?
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return lti_tool.resource_codes
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end
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{}
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end
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def self.by_message_handler(message_handler, assignment)
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product_family = message_handler.resource_handler.tool_proxy.product_family
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AssignmentConfigurationToolLookup.where(
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assignment: assignment,
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tool_product_code: product_family.product_code,
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tool_vendor_code: product_family.vendor_code,
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tool_resource_type_code: message_handler.resource_handler.resource_type_code
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)
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end
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def self.by_tool_proxy(tool_proxy)
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message_handler = tool_proxy.resources.preload(:message_handlers).map(&:message_handlers).flatten.find do |mh|
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mh.capabilities&.include?(Lti::ResourcePlacement::SIMILARITY_DETECTION_LTI2)
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end
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where(
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tool_product_code: tool_proxy.product_family.product_code,
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tool_vendor_code: tool_proxy.product_family.vendor_code,
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tool_resource_type_code: message_handler&.resource_handler&.resource_type_code
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).preload(:assignment).map(&:assignment)
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end
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private
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def create_subscription
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return unless lti_tool.instance_of? Lti::MessageHandler
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tool_proxy = lti_tool.resource_handler.tool_proxy
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subscription_helper = Lti::AssignmentSubscriptionsHelper.new(tool_proxy, assignment)
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self.update_attributes(subscription_id: subscription_helper.create_subscription)
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end
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end
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