+# Check running PSGI env
+if ( any { /(^psgi\.|^plack\.)/i } keys %ENV ) {
+ $template->param(
+ is_psgi => 1,
+ psgi_server => ($ENV{ PLACK_ENV }) ? "Plack ($ENV{PLACK_ENV})" :
+ ($ENV{ MOD_PERL }) ? "mod_perl ($ENV{MOD_PERL})" :
+ 'Unknown'
+ );
+}
+
+# Memcached configuration
+my $memcached_servers = $ENV{MEMCACHED_SERVERS} || C4::Context->config('memcached_servers');
+my $memcached_namespace = $ENV{MEMCACHED_NAMESPACE} || C4::Context->config('memcached_namespace') // 'koha';
+
+my $cache = Koha::Caches->get_instance;
+my $effective_caching_method = ref($cache->cache);
+# Memcached may have been running when plack has been initialized but could have been stopped since
+# FIXME What are the consequences of that??
+my $is_memcached_still_active = $cache->set_in_cache('test_for_about_page', "just a simple value");
+
+my $where_is_memcached_config = 'nowhere';
+if ( $ENV{MEMCACHED_SERVERS} and C4::Context->config('memcached_servers') ) {
+ $where_is_memcached_config = 'both';
+} elsif ( $ENV{MEMCACHED_SERVERS} and not C4::Context->config('memcached_servers') ) {
+ $where_is_memcached_config = 'ENV_only';
+} elsif ( C4::Context->config('memcached_servers') ) {
+ $where_is_memcached_config = 'config_only';
+}
+
+$template->param(
+ effective_caching_method => $effective_caching_method,
+ memcached_servers => $memcached_servers,
+ memcached_namespace => $memcached_namespace,
+ is_memcached_still_active => $is_memcached_still_active,
+ where_is_memcached_config => $where_is_memcached_config,
+ memcached_running => Koha::Caches->get_instance->memcached_cache,
+);
+
+# Additional system information for warnings
+
+my $warnStatisticsFieldsError;
+my $prefStatisticsFields = C4::Context->preference('StatisticsFields');
+if ($prefStatisticsFields) {
+ $warnStatisticsFieldsError = $prefStatisticsFields
+ unless ( $prefStatisticsFields eq C4::Members::Statistics->get_fields() );
+}
+
+my $prefAutoCreateAuthorities = C4::Context->preference('AutoCreateAuthorities');
+my $prefBiblioAddsAuthorities = C4::Context->preference('BiblioAddsAuthorities');
+my $warnPrefBiblioAddsAuthorities = ( $prefAutoCreateAuthorities && ( !$prefBiblioAddsAuthorities) );
+
+my $prefEasyAnalyticalRecords = C4::Context->preference('EasyAnalyticalRecords');
+my $prefUseControlNumber = C4::Context->preference('UseControlNumber');
+my $warnPrefEasyAnalyticalRecords = ( $prefEasyAnalyticalRecords && $prefUseControlNumber );
+my $warnPrefAnonymousPatron = (
+ C4::Context->preference('OPACPrivacy')
+ and not C4::Context->preference('AnonymousPatron')
+);
+
+my $anonymous_patron = Koha::Patrons->find( C4::Context->preference('AnonymousPatron') );
+my $warnPrefAnonymousPatron_PatronDoesNotExist = ( not $anonymous_patron and Koha::Patrons->search({ privacy => 2 })->count );
+
+my $errZebraConnection = C4::Context->Zconn("biblioserver",0)->errcode();
+
+my $warnIsRootUser = (! $loggedinuser);
+
+my $warnNoActiveCurrency = (! defined Koha::Acquisition::Currencies->get_active);
+
+my @xml_config_warnings;
+
+my $context = new C4::Context;
+
+if ( ! defined C4::Context->config('zebra_bib_index_mode') ) {
+ push @xml_config_warnings, {
+ error => 'zebra_bib_index_mode_warn'
+ };
+ if ($context->{'server'}->{'biblioserver'}->{'config'} !~ /zebra-biblios-dom.cfg/) {
+ push @xml_config_warnings, {
+ error => 'zebra_bib_mode_seems_grs1'
+ };
+ }
+ else {
+ push @xml_config_warnings, {
+ error => 'zebra_bib_mode_seems_dom'
+ };
+ }
+} else {
+ push @xml_config_warnings, { error => 'zebra_bib_grs_warn' }
+ if C4::Context->config('zebra_bib_index_mode') eq 'grs1';
+}
+
+if ( (C4::Context->config('zebra_bib_index_mode') eq 'dom') &&
+ ($context->{'server'}->{'biblioserver'}->{'config'} !~ /zebra-biblios-dom.cfg/) ) {
+
+ push @xml_config_warnings, {
+ error => 'zebra_bib_index_mode_mismatch_warn'
+ };
+}
+
+if ( (C4::Context->config('zebra_bib_index_mode') eq 'grs1') &&
+ ($context->{'server'}->{'biblioserver'}->{'config'} =~ /zebra-biblios-dom.cfg/) ) {
+
+ push @xml_config_warnings, {
+ error => 'zebra_bib_index_mode_mismatch_warn'
+ };
+}
+
+if ( ! defined C4::Context->config('zebra_auth_index_mode') ) {
+ push @xml_config_warnings, {
+ error => 'zebra_auth_index_mode_warn'
+ };
+ if ($context->{'server'}->{'authorityserver'}->{'config'} !~ /zebra-authorities-dom.cfg/) {
+ push @xml_config_warnings, {
+ error => 'zebra_auth_mode_seems_grs1'
+ };
+ }
+ else {
+ push @xml_config_warnings, {
+ error => 'zebra_auth_mode_seems_dom'
+ };
+ }
+} else {
+ push @xml_config_warnings, { error => 'zebra_auth_grs_warn' }
+ if C4::Context->config('zebra_auth_index_mode') eq 'grs1';
+}
+
+if ( (C4::Context->config('zebra_auth_index_mode') eq 'dom') && ($context->{'server'}->{'authorityserver'}->{'config'} !~ /zebra-authorities-dom.cfg/) ) {
+ push @xml_config_warnings, {
+ error => 'zebra_auth_index_mode_mismatch_warn'
+ };
+}
+
+if ( (C4::Context->config('zebra_auth_index_mode') eq 'grs1') && ($context->{'server'}->{'authorityserver'}->{'config'} =~ /zebra-authorities-dom.cfg/) ) {
+ push @xml_config_warnings, {
+ error => 'zebra_auth_index_mode_mismatch_warn'
+ };
+}
+
+if ( ! defined C4::Context->config('log4perl_conf') ) {
+ push @xml_config_warnings, {
+ error => 'log4perl_entry_missing'
+ }
+}
+
+if ( ! defined C4::Context->config('upload_path') ) {
+ if ( Koha::Config::SysPrefs->find('OPACBaseURL')->value ) {
+ # OPACBaseURL seems to be set
+ push @xml_config_warnings, {
+ error => 'uploadpath_entry_missing'
+ }
+ } else {
+ push @xml_config_warnings, {
+ error => 'uploadpath_and_opacbaseurl_entry_missing'
+ }
+ }
+}
+
+# Test QueryParser configuration sanity
+if ( C4::Context->preference( 'UseQueryParser' ) ) {
+ # Get the QueryParser configuration file name
+ my $queryparser_file = C4::Context->config( 'queryparser_config' );
+ my $queryparser_fallback_file = '/etc/koha/searchengine/queryparser.yaml';
+ # Check QueryParser is functional
+ my $QParser = C4::Context->queryparser();
+ my $queryparser_error = {};
+ if ( ! defined $QParser || ref($QParser) ne 'Koha::QueryParser::Driver::PQF' ) {
+ # Error initializing the QueryParser object
+ # Get the used queryparser.yaml file path to report the user
+ $queryparser_error->{ fallback } = ( defined $queryparser_file ) ? 0 : 1;
+ $queryparser_error->{ file } = ( defined $queryparser_file )
+ ? $queryparser_file
+ : $queryparser_fallback_file;
+ # Report error data to the template
+ $template->param( QueryParserError => $queryparser_error );
+ } else {
+ # Check for an absent queryparser_config entry in koha-conf.xml
+ if ( ! defined $queryparser_file ) {
+ # Not an error but a warning for the missing entry in koha-conf-xml
+ push @xml_config_warnings, {
+ error => 'queryparser_entry_missing',
+ file => $queryparser_fallback_file
+ };
+ }
+ }
+}
+
+# Test Zebra facets configuration
+if ( !defined C4::Context->config('use_zebra_facets') ) {
+ push @xml_config_warnings, { error => 'use_zebra_facets_entry_missing' };
+} else {
+ if ( C4::Context->config('use_zebra_facets') &&
+ C4::Context->config('zebra_bib_index_mode') ) {
+ # use_zebra_facets works with DOM
+ push @xml_config_warnings, {
+ error => 'use_zebra_facets_needs_dom'
+ } if C4::Context->config('zebra_bib_index_mode') ne 'dom' ;
+ }
+}
+
+# Sco Patron should not contain any other perms than circulate => self_checkout
+if ( C4::Context->preference('WebBasedSelfCheck')
+ and C4::Context->preference('AutoSelfCheckAllowed')
+) {
+ my $userid = C4::Context->preference('AutoSelfCheckID');
+ my $all_permissions = C4::Auth::get_user_subpermissions( $userid );
+ my ( $has_self_checkout_perm, $has_other_permissions );
+ while ( my ( $module, $permissions ) = each %$all_permissions ) {
+ if ( $module eq 'circulate' ) {
+ while ( my ( $permission, $flag ) = each %$permissions ) {
+ if ( $permission eq 'self_checkout' ) {
+ $has_self_checkout_perm = 1;
+ } else {
+ $has_other_permissions = 1;
+ }
+ }
+ } else {
+ $has_other_permissions = 1;
+ }
+ }
+ $template->param(
+ AutoSelfCheckPatronDoesNotHaveSelfCheckPerm => not ( $has_self_checkout_perm ),
+ AutoSelfCheckPatronHasTooManyPerm => $has_other_permissions,
+ );
+}
+
+{
+ my $dbh = C4::Context->dbh;
+ my $patrons = $dbh->selectall_arrayref(
+ q|select b.borrowernumber from borrowers b join deletedborrowers db on b.borrowernumber=db.borrowernumber|,
+ { Slice => {} }
+ );
+ my $biblios = $dbh->selectall_arrayref(
+ q|select b.biblionumber from biblio b join deletedbiblio db on b.biblionumber=db.biblionumber|,
+ { Slice => {} }
+ );
+ my $items = $dbh->selectall_arrayref(
+ q|select i.itemnumber from items i join deleteditems di on i.itemnumber=di.itemnumber|,
+ { Slice => {} }
+ );
+ my $checkouts = $dbh->selectall_arrayref(
+ q|select i.issue_id from issues i join old_issues oi on i.issue_id=oi.issue_id|,
+ { Slice => {} }
+ );
+ my $holds = $dbh->selectall_arrayref(
+ q|select r.reserve_id from reserves r join old_reserves o on r.reserve_id=o.reserve_id|,
+ { Slice => {} }
+ );
+ if ( @$patrons or @$biblios or @$items or @$checkouts or @$holds ) {
+ $template->param(
+ has_ai_issues => 1,
+ ai_patrons => $patrons,
+ ai_biblios => $biblios,
+ ai_items => $items,
+ ai_checkouts => $checkouts,
+ ai_holds => $holds,
+ );
+ }
+}
+my %versions = C4::Context::get_versions();
+