discourse/db/migrate/20160317174357_create_given...

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class CreateGivenDailyLikes < ActiveRecord::Migration[4.2]
def up
create_table :given_daily_likes, id: false, force: true do |t|
t.integer :user_id, null: false
t.integer :likes_given, null: false
t.date :given_date, null: false
t.boolean :limit_reached, null: false, default: false
end
add_index :given_daily_likes, [:user_id, :given_date], unique: true
add_index :given_daily_likes, [:limit_reached, :user_id]
max_likes_rows = execute("SELECT value FROM site_settings WHERE name = 'max_likes_per_day'")
if max_likes_rows && max_likes_rows.cmd_tuples > 0
max_likes = max_likes_rows[0]['value'].to_i
end
max_likes ||= 50
execute "INSERT INTO given_daily_likes (user_id, likes_given, limit_reached, given_date)
SELECT pa.user_id,
COUNT(*),
CASE WHEN COUNT(*) >= #{max_likes} THEN true
ELSE false
END,
pa.created_at::date
FROM post_actions AS pa
WHERE pa.post_action_type_id = 2
AND pa.deleted_at IS NULL
GROUP BY pa.user_id, pa.created_at::date"
end
def down
drop_table :given_daily_likes
end
end