# frozen_string_literal: true

class HomeFeed < Feed
  def initialize(account)
    @type    = :home
    @id      = account.id
    @account = account
  end

  def get(limit = 20, max_id = nil, since_id = nil, min_id = nil)
    from_database(limit, max_id, since_id, min_id)
  end

  private

  def from_database(limit, max_id, since_id, min_id)
    pagination_max = ""
    pagination_min = ""
    pagination_max = "and s.id < #{max_id}" unless max_id.nil?
    pagination_min = "and s.id > #{min_id}" unless min_id.nil?
    Status.find_by_sql "
      select s.*
        from statuses s
        left join statuses r
          on s.reblog_of_id = r.id
      where
        s.created_at > NOW() - INTERVAL '7 days'
        and s.reply is false
        and (
          exists(select ff.target_account_id from follows ff
            where ff.account_id = #{@id} and ff.target_account_id = s.account_id)
          or s.account_id = #{@id})
        and not exists(select mm.target_account_id from mutes mm
          where mm.account_id = #{@id} and mm.target_account_id in (s.account_id, r.account_id))
        and not exists(select bb.target_account_id from blocks bb
          where bb.account_id = #{@id} and bb.target_account_id in (s.account_id, r.account_id))
        #{pagination_max}
        #{pagination_min}
      order by s.created_at desc limit #{limit}
    "
  end
end