22 lines
703 B
Ruby
22 lines
703 B
Ruby
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class UpdateActivitiesData < ActiveRecord::Migration
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def up
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count = Activity.all.count / 10 + 1
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transaction do
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for i in 1 ... count do i
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Activity.all.each do |activity|
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type = activity.act_type
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if type=='Contest' || type=='Message' || type=='News'|| type=='Journal'|| type=='Issue'|| type=='Principal'||type=='JournalsForMessage'
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activity.created_at = activity.act.created_on if activity.act
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elsif type=='Contestnotification' || type=='HomeworkCommon' || type=='Poll'
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activity.created_at = activity.act.created_at if activity.act
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end
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activity.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 down
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end
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end
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