Attachment 82839 Details for Bug 21405 – Bug 21405 - Fix authorities pagination for Zebra and ES

[patch] Bug 21405 - Fix authorities pagination for Zebra and ES

Bug-21405---Fix-authorities-pagination-for-Zebra-a.patch (text/plain), 3.05 KB, created by Ere Maijala on 2018-12-04 14:13:35 UTC

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Creator: Ere Maijala

Created: 2018-12-04 14:13:35 UTC

Size: 3.05 KB

patch

obsolete

>From 7725e4f95042681b967f593990c333d69dcbeb60 Mon Sep 17 00:00:00 2001
>From: Nick Clemens <nick@bywatersolutions.com>
>Date: Mon, 3 Dec 2018 13:05:49 +0000
>Subject: [PATCH] Bug 21405 - Fix authorities pagination for Zebra and ES
>
>Bug 20261 introduced an error because search_auth_compat responded
>differently for ES and Zebra, now bug 19365 fixed the underlying
>difference. This patch restores previous code to fix pagination.
>
>Additionally we add a fix for 10000+ results in ES and remove a double
>import of C4::Auth
>
>To test:
> 1 - Perform an authorities search with 1+ pages using Zebra
> 2 - Page through results, note you are only offseeting by 1 each time
> 3 - Perform an authorities search with 10,000+ results in ES
> 4 - Click on the last page and get an error
> 5 - Apply patch
> 6 - Retry Zebra search
> 7 - Results should paginate correctly
> 8 - Clicking on last page should return last results
> 9 - Retry ES results
>10 - Results should paginate correct
>11 - Clicking on last page should return last results
>
>Signed-off-by: Ere Maijala <ere.maijala@helsinki.fi>
>---
> authorities/authorities-home.pl | 19 ++++++++++++-------
> 1 file changed, 12 insertions(+), 7 deletions(-)
>
>diff --git a/authorities/authorities-home.pl b/authorities/authorities-home.pl
>index 3f400722c3..9eb342228e 100755
>--- a/authorities/authorities-home.pl
>+++ b/authorities/authorities-home.pl
>@@ -22,7 +22,7 @@ use warnings;
> 
> use CGI qw ( -utf8 );
> use URI::Escape;
>-use C4::Auth;
>+use POSIX qw( ceil );
> 
> use C4::Context;
> use C4::Auth;
>@@ -86,6 +86,7 @@ if ( $op eq "do_search" ) {
> 
>     my $startfrom      = $query->param('startfrom')      || 1;
>     my $resultsperpage = $query->param('resultsperpage') || 20;
>+    my $offset = ( $startfrom - 1 ) * $resultsperpage + 1;
> 
>     my $builder = Koha::SearchEngine::QueryBuilder->new(
>         { index => $Koha::SearchEngine::AUTHORITIES_INDEX } );
>@@ -96,7 +97,7 @@ if ( $op eq "do_search" ) {
>         [$value], $authtypecode, $orderby
>     );
>     my ( $results, $total ) = $searcher->search_auth_compat(
>-        $search_query, $startfrom, $resultsperpage
>+        $search_query, $offset, $resultsperpage
>     );
> 
>     ( $template, $loggedinuser, $cookie ) = get_template_and_user(
>@@ -180,15 +181,19 @@ if ( $op eq "do_search" ) {
> 
>     $template->param( result => $results ) if $results;
> 
>+    my $max_result_window = $searcher->max_result_window;
>+    my $hits_to_paginate = ($max_result_window && $max_result_window < $total) ? $max_result_window : $total;
>+
>     $template->param(
>         pagination_bar => pagination_bar(
>-            $base_url,  int( $total / $resultsperpage ) + 1,
>+            $base_url,  ceil( $hits_to_paginate / $resultsperpage ),
>             $startfrom, 'startfrom'
>         ),
>-        total     => $total,
>-        from      => $from,
>-        to        => $to,
>-        isEDITORS => $authtypecode eq 'EDITORS',
>+        total            => $total,
>+        hits_to_paginate => $hits_to_paginate,
>+        from             => $from,
>+        to               => $to,
>+        isEDITORS        => $authtypecode eq 'EDITORS',
>     );
> 
> }
>-- 
>2.17.1

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