35 lines
1.1 KiB
Ruby
35 lines
1.1 KiB
Ruby
class AddLastActivityAtToConversation < ActiveRecord::Migration[6.0]
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def up
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add_column :conversations,
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:last_activity_at,
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:datetime,
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default: -> { 'CURRENT_TIMESTAMP' },
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index: true
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add_last_activity_at_to_conversations
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change_column_null(:conversations, :last_activity_at, false)
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end
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def down
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remove_column(:conversations, :last_activity_at)
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end
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private
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def add_last_activity_at_to_conversations
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::Conversation.find_in_batches do |conversation_batch|
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Rails.logger.info "Migrated till #{conversation_batch.first.id}\n"
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conversation_batch.each do |conversation|
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# rubocop:disable Rails/SkipsModelValidations
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last_activity_at = if conversation.messages.last
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conversation.messages.last.created_at
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else
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conversation.created_at
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end
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conversation.update_columns(last_activity_at: last_activity_at)
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# rubocop:enable Rails/SkipsModelValidations
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end
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end
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end
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end
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