jaculabilis/danbooru
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search: fix search timeout error page not appearing.

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Bug: when a search timed out we got the generic failbooru page instead
of the search timeout error page.

Cause: when rendering the <link rel="next"> / <link rel="prev"> tags in
the header, we may need to evaluate the search to determine the next or
previous page, but if the searches times out then this fails, which
caused Rails to throw a ActionView::Template::Error because an exception
was thrown while rendering the template.

Likewise, rendering the attributes for the <body> tag could fail with an
ActionView::Template::Error because the call to `current_item.present?`
forced evaluation of the search.
This commit is contained in:
evazion
2020-07-03 12:42:04 -05:00
parent e822d5f16e
commit f97c62c71d
6 changed files with 49 additions and 19 deletions
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28
app/logical/pagination_extension.rb
View File

@@ -61,27 +61,35 @@ module PaginationExtension
end
def prev_page
return nil if is_first_page?
if paginator_mode == :numbered
if is_first_page?
nil
elsif paginator_mode == :numbered
current_page - 1
elsif paginator_mode == :sequential_before
elsif paginator_mode == :sequential_before && records.present?
"a#{records.first.id}"
elsif paginator_mode == :sequential_after
elsif paginator_mode == :sequential_after && records.present?
"b#{records.last.id}"
else
nil
end
rescue ActiveRecord::QueryCanceled
nil
end
def next_page
return nil if is_last_page?
if paginator_mode == :numbered
if is_last_page?
nil
elsif paginator_mode == :numbered
current_page + 1
elsif paginator_mode == :sequential_before
elsif paginator_mode == :sequential_before && records.present?
"b#{records.last.id}"
elsif paginator_mode == :sequential_after
elsif paginator_mode == :sequential_after && records.present?
"a#{records.first.id}"
else
nil
end
rescue ActiveRecord::QueryCanceled
nil
end
# XXX Hack: in sequential pagination we fetch one more record than we