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Fix last paginated notification group only including data on a single notification (#33271)

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Claire 2025-01-09 14:47:12 +01:00
parent 533477e77c
commit 3cff7caffd
3 changed files with 89 additions and 9 deletions
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23
app/controllers/api/v2/notifications_controller.rb
View file

@ -80,10 +80,31 @@ class Api::V2::NotificationsController < Api::BaseController
return [] if @notifications.empty?
MastodonOTELTracer.in_span('Api::V2::NotificationsController#load_grouped_notifications') do
NotificationGroup.from_notifications(@notifications, pagination_range: (@notifications.last.id)..(@notifications.first.id), grouped_types: params[:grouped_types])
pagination_range = (@notifications.last.id)..@notifications.first.id
# If the page is incomplete, we know we are on the last page
if incomplete_page?
if paginating_up?
pagination_range = @notifications.last.id...(params[:max_id]&.to_i)
else
range_start = params[:since_id]&.to_i
range_start += 1 unless range_start.nil?
pagination_range = range_start..(@notifications.first.id)
end
end
NotificationGroup.from_notifications(@notifications, pagination_range: pagination_range, grouped_types: params[:grouped_types])
end
end
def incomplete_page?
@notifications.size < limit_param(DEFAULT_NOTIFICATIONS_LIMIT)
end
def paginating_up?
params[:min_id].present?
end
def browserable_account_notifications
current_account.notifications.without_suspended.browserable(
types: Array(browserable_params[:types]),

26
app/models/notification_group.rb
View file

@ -63,21 +63,31 @@ class NotificationGroup < ActiveModelSerializers::Model
binds = [
account_id,
SAMPLE_ACCOUNTS_SIZE,
pagination_range.begin,
pagination_range.end,
ActiveRecord::Relation::QueryAttribute.new('group_keys', group_keys, ActiveRecord::ConnectionAdapters::PostgreSQL::OID::Array.new(ActiveModel::Type::String.new)),
pagination_range.begin || 0,
]
binds << pagination_range.end unless pagination_range.end.nil?
upper_bound_cond = begin
if pagination_range.end.nil?
''
elsif pagination_range.exclude_end?
'AND id < $5'
else
'AND id <= $5'
end
end
ActiveRecord::Base.connection.select_all(<<~SQL.squish, 'grouped_notifications', binds).cast_values.to_h { |k, *values| [k, values] }
SELECT
groups.group_key,
(SELECT id FROM notifications WHERE notifications.account_id = $1 AND notifications.group_key = groups.group_key AND id <= $4 ORDER BY id DESC LIMIT 1),
array(SELECT from_account_id FROM notifications WHERE notifications.account_id = $1 AND notifications.group_key = groups.group_key AND id <= $4 ORDER BY id DESC LIMIT $2),
(SELECT count(*) FROM notifications WHERE notifications.account_id = $1 AND notifications.group_key = groups.group_key AND id <= $4) AS notifications_count,
(SELECT id FROM notifications WHERE notifications.account_id = $1 AND notifications.group_key = groups.group_key AND id >= $3 ORDER BY id ASC LIMIT 1) AS min_id,
(SELECT created_at FROM notifications WHERE notifications.account_id = $1 AND notifications.group_key = groups.group_key AND id <= $4 ORDER BY id DESC LIMIT 1)
(SELECT id FROM notifications WHERE notifications.account_id = $1 AND notifications.group_key = groups.group_key #{upper_bound_cond} ORDER BY id DESC LIMIT 1),
array(SELECT from_account_id FROM notifications WHERE notifications.account_id = $1 AND notifications.group_key = groups.group_key #{upper_bound_cond} ORDER BY id DESC LIMIT $2),
(SELECT count(*) FROM notifications WHERE notifications.account_id = $1 AND notifications.group_key = groups.group_key #{upper_bound_cond}) AS notifications_count,
(SELECT id FROM notifications WHERE notifications.account_id = $1 AND notifications.group_key = groups.group_key AND id >= $4 ORDER BY id ASC LIMIT 1) AS min_id,
(SELECT created_at FROM notifications WHERE notifications.account_id = $1 AND notifications.group_key = groups.group_key #{upper_bound_cond} ORDER BY id DESC LIMIT 1)
FROM
unnest($5::text[]) AS groups(group_key);
unnest($3::text[]) AS groups(group_key);
SQL
else
binds = [