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30 lines
1.0 KiB
Ruby
30 lines
1.0 KiB
Ruby
namespace :data do
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desc 'Nullify wrong foreign keys'
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task nullify_nonexistent_foreign_keys: :environment do
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# Track
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events_track = Event.all.select { |e| e.track_id && Track.find_by(id: e.track_id).nil? }
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nullify_attribute(events_track, 'track_id')
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# Difficulty level
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events_difficulty_level = Event.all.select { |e| e.difficulty_level_id && DifficultyLevel.find_by(id: e.difficulty_level_id).nil? }
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nullify_attribute(events_difficulty_level, 'difficulty_level_id')
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# Room
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events_room = Event.all.select { |e| e.room_id && Room.find_by(id: e.room_id).nil? }
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nullify_attribute(events_room, 'room_id')
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end
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def nullify_attribute(collection, attribute)
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puts "Will nullify #{attribute} in #{ActionController::Base.helpers.pluralize(collection.length, 'event')}."
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if collection.any?
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puts "IDs: #{collection.map(&:id)}"
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collection.each do |item|
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item.send(attribute+'=', nil)
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item.save!
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end
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puts "Fixed #{attribute}!"
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end
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end
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end
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