Attachment 114893 Details for Bug 27353 – Bug 27353: Set X-Base-Total-Count header for REST API

[patch] Bug 27353: Set X-Base-Total-Count header for REST API

Bug-27353-Set-X-Base-Total-Count-header-for-REST-A.patch (text/plain), 4.79 KB, created by Jonathan Druart on 2021-01-06 15:37:38 UTC

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Creator: Jonathan Druart

Created: 2021-01-06 15:37:38 UTC

Size: 4.79 KB

patch

obsolete

>From 55013bb699002972144fda996ef626164040c07e Mon Sep 17 00:00:00 2001
>From: Jonathan Druart <jonathan.druart@bugs.koha-community.org>
>Date: Wed, 6 Jan 2021 16:34:23 +0100
>Subject: [PATCH] Bug 27353: Set X-Base-Total-Count header for REST API
>
>We already set X-Total-Count to the total number of filtered rows,
>but we don't have the total number of non-filtered rows.
>
>Test plan:
>This is easy to test on top of bug 27352 or bug 27251, apply them if not
>pushed yet.
>1. Create 40 items with public notes = "xxx" for biblionumber=4
>then, using Postman (or whatever you prefer):
>http://kohadev-intra.mydnsname.org:8081/api/v1/biblios/4/items?_page=1&_per_page=20&q=[{"me.public_notes"%3A{"like"%3A"%25x%25"}}]&_match=contains
>Check the headers and confirm you see X-Total-Count=40 and
>X-Base-Total-Count=44
>
>2. go to /cgi-bin/koha/tools/quotes.pl
>You see "Showing 1 to 20 of 28 entries"
>Search "he"
>Showing 1 to 20 of 22 entries (filtered from 28 total entries)
>---
> Koha/REST/Plugin/Objects.pm                   | 23 ++++++++++++-------
> Koha/REST/Plugin/Pagination.pm                |  4 +++-
> koha-tmpl/intranet-tmpl/prog/js/datatables.js |  3 +++
> 3 files changed, 21 insertions(+), 9 deletions(-)
>
>diff --git a/Koha/REST/Plugin/Objects.pm b/Koha/REST/Plugin/Objects.pm
>index fec1fe794a..35742dc1ff 100644
>--- a/Koha/REST/Plugin/Objects.pm
>+++ b/Koha/REST/Plugin/Objects.pm
>@@ -114,18 +114,25 @@ sub register {
>             }
>             # Perform search
>             my $objects = $result_set->search( $filtered_params, $attributes );
>+            my $total   = $result_set->search->count;
> 
>             if ($objects->is_paged) {
>-                $c->add_pagination_headers({
>-                    total => $objects->pager->total_entries,
>-                    params => $args,
>-                });
>+                $c->add_pagination_headers(
>+                    {
>+                        total      => $objects->pager->total_entries,
>+                        base_total => $total,
>+                        params     => $args,
>+                    }
>+                );
>             }
>             else {
>-                $c->add_pagination_headers({
>-                    total => $objects->count,
>-                    params => $args,
>-                });
>+                $c->add_pagination_headers(
>+                    {
>+                        total      => $objects->count,
>+                        base_total => $total,
>+                        params     => $args,
>+                    }
>+                );
>             }
> 
>             return $objects->to_api({ embed => $embed });
>diff --git a/Koha/REST/Plugin/Pagination.pm b/Koha/REST/Plugin/Pagination.pm
>index 911aa43aaf..90d220c1cf 100644
>--- a/Koha/REST/Plugin/Pagination.pm
>+++ b/Koha/REST/Plugin/Pagination.pm
>@@ -50,7 +50,7 @@ sub register {
> 
> Adds a Link header to the response message $c carries, following RFC5988, including
> the following relation types: 'prev', 'next', 'first' and 'last'.
>-It also adds X-Total-Count, containing the total results count.
>+It also adds X-Total-Count containing the total results count, and X-Base-Total-Count containing the total of the non-filtered results count.
> 
> If page size is omitted, it defaults to the value of the RESTdefaultPageSize syspref.
> 
>@@ -61,6 +61,7 @@ If page size is omitted, it defaults to the value of the RESTdefaultPageSize sys
>             my ( $c, $args ) = @_;
> 
>             my $total    = $args->{total};
>+            my $base_total = $args->{base_total};
>             my $req_page = $args->{params}->{_page} // 1;
>             my $per_page = $args->{params}->{_per_page} //
>                             C4::Context->preference('RESTdefaultPageSize') // 20;
>@@ -114,6 +115,7 @@ If page size is omitted, it defaults to the value of the RESTdefaultPageSize sys
> 
>             # Add X-Total-Count header
>             $c->res->headers->add( 'X-Total-Count' => $total );
>+            $c->res->headers->add( 'X-Base-Total-Count' => $base_total );
>             return $c;
>         }
>     );
>diff --git a/koha-tmpl/intranet-tmpl/prog/js/datatables.js b/koha-tmpl/intranet-tmpl/prog/js/datatables.js
>index 13db0e495c..69fc5a998f 100644
>--- a/koha-tmpl/intranet-tmpl/prog/js/datatables.js
>+++ b/koha-tmpl/intranet-tmpl/prog/js/datatables.js
>@@ -544,6 +544,9 @@ jQuery.fn.dataTable.ext.errMode = function(settings, note, message) {
>                                     json.recordsTotal = total;
>                                     json.recordsFiltered = total;
>                                 }
>+                                if(total = this._xhr.getResponseHeader('x-base-total-count')) {
>+                                    json.recordsTotal = total;
>+                                }
>                                 return JSON.stringify(json);
>                             },
>                             'data': function( data, settings ) {
>-- 
>2.20.1

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