donphan/app/models/status_trend.rb

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# frozen_string_literal: true
# == Schema Information
#
# Table name: status_trends
#
# id :bigint(8) not null, primary key
# status_id :bigint(8) not null
# account_id :bigint(8) not null
# score :float default(0.0), not null
# rank :integer default(0), not null
# allowed :boolean default(FALSE), not null
# language :string
#
class StatusTrend < ApplicationRecord
belongs_to :status
belongs_to :account
scope :allowed, -> { joins('INNER JOIN (SELECT account_id, MAX(score) AS max_score FROM status_trends GROUP BY account_id) AS grouped_status_trends ON status_trends.account_id = grouped_status_trends.account_id AND status_trends.score = grouped_status_trends.max_score').where(allowed: true) }
end