gab-social/app/models/home_feed.rb
2021-02-28 19:45:44 -06:00

55 lines
1.7 KiB
Ruby

# 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)
ActiveRecord::Base.connected_to(role: :reading) do
from_database(limit, max_id, since_id, min_id)
end
end
private
def from_database(limit, max_id, since_id, min_id)
Status.find_by_sql([<<-SQL, { id: @id, limit: limit, min_id: min_id, max_id: max_id }])
with cte as
(
select
row_number() over (partition by sid.reblog_of_id order by sid.id desc) as rn_dupe,
sid.*
FROM
(select
s.id,
s.reblog_of_id
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))
and (:max_id is null or s.id < :max_id)
and (:min_id is null or s.id > :min_id)
order by s.created_at desc
limit :limit
) sid
)
select
so.*
from cte
inner join statuses so on cte.id = so.id
where
cte.rn_dupe = 1 or cte.reblog_of_id is null
order by so.created_at desc
SQL
end
end