16 lines
730 B
Ruby
16 lines
730 B
Ruby
class CreatePropositionsForExistingEvents < ActiveRecord::Migration[4.2]
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def up
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events = execute 'SELECT * FROM events'
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events.each do |event|
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execute "INSERT INTO propositions (proposer_id, proposition_accepting_id, proposition_accepting_type, proposable_id, proposable_type, status, created_at, updated_at)
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VALUES (#{event['user_id']}, #{event['track_id']}, 'Track', #{event['id']}, 'Event', #{event['state']}, '#{event['created_at']}', '#{event['updated_at']}')"
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end
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end
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def down
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event_ids = execute('SELECT * FROM events').map { |event| event['id'] }
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execute "DELETE FROM propositions WHERE proposable_id IN (#{event_ids.join(', ')}) AND proposable_type = 'Event'"
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end
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end
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