18 lines
450 B
Ruby
18 lines
450 B
Ruby
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class MigrateCourseAttachments < ActiveRecord::Migration
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def self.up
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# 原课程的资源数据迁移成新模式
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Attachment.all.each do |attach|
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if attach.container_type == "Project"
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project = Project.find_by_id(attach.container_id)
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if project && project.project_type == 1
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attach.container_type= 'Course'
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attach.save
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end
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end
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end
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end
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def self.down
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end
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end
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