68 lines
2.0 KiB
Ruby
68 lines
2.0 KiB
Ruby
#
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# Copyright (C) 2011 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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#
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class CourseImport < ActiveRecord::Base
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include Workflow
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attr_accessible :course, :source, :import_type, :parameters
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serialize :log
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serialize :parameters
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belongs_to :course
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belongs_to :source, :class_name => 'Course'
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validates_presence_of :course_id, :source_id, :import_type, :workflow_state
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validates_length_of :added_item_codes, :maximum => maximum_text_length, :allow_nil => true, :allow_blank => true
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workflow do
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state 'created'
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state 'started'
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state 'completed'
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state 'failed'
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end
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def tick(max_tick=100)
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self.progress ||= 0
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update_attribute(:progress, [(self.progress + 1), max_tick, 100].min)
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end
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def perform
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begin
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self.workflow_state = 'started'
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self.save!
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course.merge_in(source, self.parameters, self)
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self.workflow_state = 'completed'
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self.progress = 100
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self.save!
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rescue => e
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self.workflow_state = 'failed'
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self.log = {
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:message => e.to_s,
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:backtrace => e.backtrace.join("\n")
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}
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self.save
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end
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end
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def perform_later
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self.perform
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end
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handle_asynchronously :perform_later, :max_attempts => 1, :priority => Delayed::LOW_PRIORITY
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scope :for_course, lambda { |course, type| where(:course_id => course, :import_type => type).order("course_imports.created_at DESC") }
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end
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