From 47a606ebc39e5c71c04adf034415c87d78c03e85 Mon Sep 17 00:00:00 2001
From: Tomas Cohen Arazi <tomascohen@theke.io>
Date: Fri, 8 Jan 2016 11:19:50 -0300
Subject: [PATCH] Bug 15527: (followup) Allow using custom stylesheets

This patch introduces a syspref to let users choose their own
XSLT stylesheets for the OAI-PMH front end.

Regards

Sponsored-by: Universidad Empresarial Siglo 21
---
 Koha/OAI/Server/Repository.pm                                |  8 +++++++-
 .../data/mysql/atomicupdate/bug_15527_oai_stylesheets.sql    | 12 ++++++++++++
 installer/data/mysql/sysprefs.sql                            |  1 +
 .../prog/en/modules/admin/preferences/web_services.pref      |  4 ++++
 4 files changed, 24 insertions(+), 1 deletion(-)
 create mode 100644 installer/data/mysql/atomicupdate/bug_15527_oai_stylesheets.sql

diff --git a/Koha/OAI/Server/Repository.pm b/Koha/OAI/Server/Repository.pm
index 374ce29..ff2fc8e 100644
--- a/Koha/OAI/Server/Repository.pm
+++ b/Koha/OAI/Server/Repository.pm
@@ -136,7 +136,13 @@ sub new {
     }
 
     $response->set_handler( XML::SAX::Writer->new( Output => *STDOUT ) );
-    $response->xslt( "/opac-tmpl/xslt/OAI.xslt" );
+
+    my $stylesheet = C4::Context->preference('OAI-PMH:CustomStylesheet');
+    if ( !$stylesheet ) {
+        # fallback to shipped xslt
+        $stylesheet = '/opac-tmpl/xslt/OAI.xslt';
+    }
+    $response->xslt( $stylesheet );
     $response->generate;
 
     bless $self, $class;
diff --git a/installer/data/mysql/atomicupdate/bug_15527_oai_stylesheets.sql b/installer/data/mysql/atomicupdate/bug_15527_oai_stylesheets.sql
new file mode 100644
index 0000000..5945cc0
--- /dev/null
+++ b/installer/data/mysql/atomicupdate/bug_15527_oai_stylesheets.sql
@@ -0,0 +1,12 @@
+INSERT IGNORE INTO systempreferences (variable,value,explanation,options,type)
+VALUES('OAI-PMH:CustomStylesheet',NULL,'Use a custom stylesheet instead of the default stylesheet for the OAI-PMH server. Leave the field blank to use the default.',NULL,'free');
+
+-- $DBversion = "3.23.00.XXX";
+-- if(CheckVersion($DBversion)) {
+--     $dbh->do(q{
+--         INSERT IGNORE INTO systempreferences (variable,value,explanation,options,type)
+--         VALUES('OAI-PMH:CustomStylesheet',NULL,'Use a custom stylesheet instead of the default stylesheet for the OAI-PMH server. Leave the field blank to use the default.',NULL,'free')
+--     });
+--     print "Upgrade to $DBversion done (Bug 15527: Add a stylesheet for OAI-PMH to aid usability)\n";
+--     SetVersion($DBversion);
+-- }
\ No newline at end of file
diff --git a/installer/data/mysql/sysprefs.sql b/installer/data/mysql/sysprefs.sql
index aa53139..7e38861 100644
--- a/installer/data/mysql/sysprefs.sql
+++ b/installer/data/mysql/sysprefs.sql
@@ -255,6 +255,7 @@ INSERT INTO systempreferences ( `variable`, `value`, `options`, `explanation`, `
 ('OAI-PMH:ConfFile','',NULL,'If empty, Koha OAI Server operates in normal mode, otherwise it operates in extended mode.','File'),
 ('OAI-PMH:DeletedRecord','persistent','Koha\'s deletedbiblio table will never be deleted (persistent), might be deleted (transient), or will never have any data in it (no)','transient|persistent|no','Choice'),
 ('OAI-PMH:MaxCount','50',NULL,'OAI-PMH maximum number of records by answer to ListRecords and ListIdentifiers queries','Integer'),
+('OAI-PMH:CustomStylesheet',NULL,NULL,'Use a custom stylesheet instead of the default stylesheet for the OAI-PMH server. Leave the field blank to use the default.','free'),
 ('OCLCAffiliateID','','','Use with FRBRizeEditions and XISBN. You can sign up for an AffiliateID here: http://www.worldcat.org/wcpa/do/AffiliateUserServices?method=initSelfRegister','free'),
 ('OPACAcquisitionDetails','0','','Show the acquisition details at the OPAC','YesNo'),
 ('OpacAddMastheadLibraryPulldown','0','','Adds a pulldown menu to select the library to search on the opac masthead.','YesNo'),
diff --git a/koha-tmpl/intranet-tmpl/prog/en/modules/admin/preferences/web_services.pref b/koha-tmpl/intranet-tmpl/prog/en/modules/admin/preferences/web_services.pref
index ee65980..5e14635 100644
--- a/koha-tmpl/intranet-tmpl/prog/en/modules/admin/preferences/web_services.pref
+++ b/koha-tmpl/intranet-tmpl/prog/en/modules/admin/preferences/web_services.pref
@@ -28,6 +28,10 @@ Web services:
                   no: Disable
             - automatic update of OAI-PMH sets when a bibliographic record is created or updated
         -
+            - Use
+            - pref: "OAI-PMH:CustomStylesheet"
+            - instead of the default stylesheet for the OAI-PMH server. Leave the field blank to use the default.
+        -
             - Koha's deletedbiblio table
             - pref: "OAI-PMH:DeletedRecord"
               choices:
-- 
2.7.0