35 lines
1.2 KiB
Ruby
35 lines
1.2 KiB
Ruby
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class AddFlagStatsToUser < ActiveRecord::Migration[5.2]
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def up
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add_column :user_stats, :flags_agreed, :integer, default: 0, null: false
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add_column :user_stats, :flags_disagreed, :integer, default: 0, null: false
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add_column :user_stats, :flags_ignored, :integer, default: 0, null: false
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sql = <<~SQL
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UPDATE user_stats
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SET flags_agreed = x.flags_agreed,
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flags_disagreed = x.flags_disagreed,
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flags_ignored = x.flags_ignored
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FROM (
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SELECT u.id AS user_id,
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SUM(CASE WHEN pa.disagreed_at IS NOT NULL THEN 1 ELSE 0 END) as flags_disagreed,
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SUM(CASE WHEN pa.agreed_at IS NOT NULL THEN 1 ELSE 0 END) as flags_agreed,
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SUM(CASE WHEN pa.deferred_at IS NOT NULL THEN 1 ELSE 0 END) as flags_ignored
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FROM post_actions AS pa
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INNER JOIN users AS u ON u.id = pa.user_id
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WHERE pa.post_action_type_id IN (#{PostActionType.notify_flag_types.values.join(', ')})
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AND pa.user_id > 0
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GROUP BY u.id
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) AS x
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WHERE x.user_id = user_stats.user_id
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SQL
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execute sql
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end
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def down
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remove_column :user_stats, :flags_agreed
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remove_column :user_stats, :flags_disagreed
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remove_column :user_stats, :flags_ignored
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end
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end
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