# Copyright 2006 (C) LibLime
# Joshua Ferraro <jmf@liblime.com>
-#
+# Portions Copyright 2009 Chris Cormack and the Koha Dev Team
# This file is part of Koha.
#
-# Koha is free software; you can redistribute it and/or modify it under the
-# terms of the GNU General Public License as published by the Free Software
-# Foundation; either version 2 of the License, or (at your option) any later
-# version.
+# Koha is free software; you can redistribute it and/or modify it
+# under the terms of the GNU General Public License as published by
+# the Free Software Foundation; either version 3 of the License, or
+# (at your option) any later version.
#
-# Koha is distributed in the hope that it will be useful, but WITHOUT ANY
-# WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR
-# A PARTICULAR PURPOSE. See the GNU General Public License for more details.
+# Koha is distributed in the hope that it will be useful, but
+# WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+# GNU General Public License for more details.
#
-# You should have received a copy of the GNU General Public License along with
-# Koha; if not, write to the Free Software Foundation, Inc., 59 Temple Place,
-# Suite 330, Boston, MA 02111-1307 USA
+# You should have received a copy of the GNU General Public License
+# along with Koha; if not, see <http://www.gnu.org/licenses>.
+
+use strict;
+use warnings;
-use strict;
-use warnings; #FIXME: turn off warnings before release
use Carp;
+use CGI;
+use List::MoreUtils qw( any );
use C4::Context;
-use vars qw($VERSION @ISA @EXPORT @EXPORT_OK %EXPORT_TAGS $DEBUG);
+use Koha::Cache::Memory::Lite;
+use vars qw(@ISA @EXPORT @EXPORT_OK %EXPORT_TAGS $DEBUG);
BEGIN {
- $VERSION = 3.00;
- require Exporter;
- @ISA = qw(Exporter);
- @EXPORT = qw(
- &getFrameworkLanguages
- &getTranslatedLanguages
- &getAllLanguages
- );
- @EXPORT_OK = qw(getFrameworkLanguages getTranslatedLanguages getAllLanguages get_bidi regex_lang_subtags language_get_description accept_language);
- $DEBUG = 0;
+ require Exporter;
+ @ISA = qw(Exporter);
+ @EXPORT = qw(
+ &getFrameworkLanguages
+ &getTranslatedLanguages
+ &getLanguages
+ &getAllLanguages
+ );
+ @EXPORT_OK = qw(getFrameworkLanguages getTranslatedLanguages getAllLanguages getLanguages get_bidi regex_lang_subtags language_get_description accept_language getlanguage);
+ $DEBUG = 0;
}
=head1 NAME
=head1 DESCRIPTION
+=cut
+
=head1 FUNCTIONS
=head2 getFrameworkLanguages
if ($dirname eq $language_set->{language_code}) {
push @languages, {
- 'language_code'=>$dirname,
- 'language_description'=>$language_set->{language_description},
- 'native_descrition'=>$language_set->{language_native_description} }
+ 'language_code'=>$dirname,
+ 'language_description'=>$language_set->{language_description},
+ 'native_descrition'=>$language_set->{language_native_description} }
}
}
}
Returns a reference to an array of hashes:
my $languages = getTranslatedLanguages();
- print "Available translated langauges:\n";
+ print "Available translated languages:\n";
for my $language(@$trlanguages) {
print "$language->{language_code}\n"; # language code in iso 639-2
print "$language->{language_name}\n"; # language name in native script
=cut
sub getTranslatedLanguages {
- my ($interface, $theme) = @_;
+ my ($interface, $theme, $current_language, $which) = @_;
my $htdocs;
- my $all_languages = getAllLanguages();
my @languages;
- my $lang;
-
+ my @enabled_languages;
+
if ($interface && $interface eq 'opac' ) {
+ @enabled_languages = split ",", C4::Context->preference('opaclanguages');
$htdocs = C4::Context->config('opachtdocs');
if ( $theme and -d "$htdocs/$theme" ) {
(@languages) = _get_language_dirs($htdocs,$theme);
- return _build_languages_arrayref($all_languages,@languages);
}
else {
for my $theme ( _get_themes('opac') ) {
push @languages, _get_language_dirs($htdocs,$theme);
}
- return _build_languages_arrayref($all_languages,@languages);
}
}
elsif ($interface && $interface eq 'intranet' ) {
+ @enabled_languages = split ",", C4::Context->preference('language');
$htdocs = C4::Context->config('intrahtdocs');
if ( $theme and -d "$htdocs/$theme" ) {
@languages = _get_language_dirs($htdocs,$theme);
- return _build_languages_arrayref($all_languages,@languages);
}
else {
- foreach my $theme ( _get_themes('opac') ) {
+ foreach my $theme ( _get_themes('intranet') ) {
push @languages, _get_language_dirs($htdocs,$theme);
}
- return _build_languages_arrayref($all_languages,@languages);
}
}
else {
+ @enabled_languages = split ",", C4::Context->preference('opaclanguages');
my $htdocs = C4::Context->config('intrahtdocs');
foreach my $theme ( _get_themes('intranet') ) {
push @languages, _get_language_dirs($htdocs,$theme);
foreach my $theme ( _get_themes('opac') ) {
push @languages, _get_language_dirs($htdocs,$theme);
}
- return _build_languages_arrayref($all_languages,@languages);
+ my %seen;
+ $seen{$_}++ for @languages;
+ @languages = keys %seen;
}
+ return _build_languages_arrayref(\@languages,$current_language,\@enabled_languages);
}
=head2 getAllLanguages
Returns a reference to an array of hashes:
my $alllanguages = getAllLanguages();
- print "Available translated langauges:\n";
+ print "Available translated languages:\n";
for my $language(@$alllanguages) {
print "$language->{language_code}\n";
print "$language->{language_name}\n";
print "$language->{language_locale_name}\n";
}
+This routine is a wrapper for getLanguages().
+
=cut
sub getAllLanguages {
- my @languages_loop;
- my $dbh=C4::Context->dbh;
- my $current_language = 'en';
- my $sth = $dbh->prepare('SELECT * FROM language_subtag_registry WHERE type=\'language\'');
- $sth->execute();
- while (my $language_subtag_registry = $sth->fetchrow_hashref) {
-
- # pull out all the script descriptions for each language
- my $sth2= $dbh->prepare('SELECT * FROM language_descriptions WHERE type=\'language\' AND subtag =?');
- $sth2->execute($language_subtag_registry->{subtag});
-
- # add the correct description info
- while (my $language_descriptions = $sth2->fetchrow_hashref) {
-
- # Insert the language description using the current language script
- #if ( $language_subtag_registry->{subtag}
- if ( $current_language eq $language_descriptions->{lang} ) {
- $language_subtag_registry->{language_description} = $language_descriptions->{description};
- #warn "CUR:".$language_subtag_registry->{description};
- }
-
- # Insert the language name using the script native to the language (FIXME: should really be based on script)
- if ($language_subtag_registry->{subtag} eq $language_descriptions->{lang}) {
- $language_subtag_registry->{language_native_description} = $language_descriptions->{description};
- #warn "NAT: Desc:$language_descriptions->{description} SubtagDesc: $language_subtag_registry->{language_description}";
- }
- }
- push @languages_loop, $language_subtag_registry;
- }
+ return getLanguages(shift);
+}
+
+=head2 getLanguages
+
+ my $lang_arrayref = getLanguages([$lang[, $isFiltered]]);
+
+Returns a reference to an array of hashes of languages.
+
+- If no parameter is passed to the function, it returns english languages names
+- If a $lang parameter conforming to RFC4646 syntax is passed, the function returns languages names translated in $lang
+ If a language name is not translated in $lang in database, the function returns english language name
+- If $isFiltered is set to true, only the detail of the languages selected in system preferences AdvanceSearchLanguages is returned.
+
+=cut
+
+sub getLanguages {
+ my $lang = shift;
+ my $isFiltered = shift;
+
+ my @languages_loop;
+ my $dbh=C4::Context->dbh;
+ my $default_language = 'en';
+ my $current_language = $default_language;
+ my $language_list = $isFiltered ? C4::Context->preference("AdvancedSearchLanguages") : undef;
+ if ($lang) {
+ $current_language = regex_lang_subtags($lang)->{'language'};
+ }
+ my $sth = $dbh->prepare('SELECT * FROM language_subtag_registry WHERE type=\'language\'');
+ $sth->execute();
+ while (my $language_subtag_registry = $sth->fetchrow_hashref) {
+ my $desc;
+ # check if language name is stored in current language
+ my $sth4= $dbh->prepare("SELECT description FROM language_descriptions WHERE type='language' AND subtag =? AND lang = ?");
+ $sth4->execute($language_subtag_registry->{subtag},$current_language);
+ while (my $language_desc = $sth4->fetchrow_hashref) {
+ $desc=$language_desc->{description};
+ }
+ my $sth2= $dbh->prepare("SELECT * FROM language_descriptions LEFT JOIN language_rfc4646_to_iso639 on language_rfc4646_to_iso639.rfc4646_subtag = language_descriptions.subtag WHERE type='language' AND subtag =? AND language_descriptions.lang = ?");
+ if ($desc) {
+ $sth2->execute($language_subtag_registry->{subtag},$current_language);
+ }
+ else {
+ $sth2->execute($language_subtag_registry->{subtag},$default_language);
+ }
+ my $sth3 = $dbh->prepare("SELECT description FROM language_descriptions WHERE type='language' AND subtag=? AND lang=?");
+ # add the correct description info
+ while (my $language_descriptions = $sth2->fetchrow_hashref) {
+ $sth3->execute($language_subtag_registry->{subtag},$language_subtag_registry->{subtag});
+ my $native_description;
+ while (my $description = $sth3->fetchrow_hashref) {
+ $native_description = $description->{description};
+ }
+
+ # fill in the ISO6329 code
+ $language_subtag_registry->{iso639_2_code} = $language_descriptions->{iso639_2_code};
+ # fill in the native description of the language, as well as the current language's translation of that if it exists
+ if ($native_description) {
+ $language_subtag_registry->{language_description} = $native_description;
+ $language_subtag_registry->{language_description}.=" ($language_descriptions->{description})" if $language_descriptions->{description};
+ }
+ else {
+ $language_subtag_registry->{language_description} = $language_descriptions->{description};
+ }
+ }
+ # Do not push unless valid iso639-2 code
+ if ( $language_subtag_registry->{ iso639_2_code } and ( !$language_list || index ( $language_list, $language_subtag_registry->{ iso639_2_code } ) >= 0) ) {
+ push @languages_loop, $language_subtag_registry;
+ }
+ }
return \@languages_loop;
}
my $interface = shift;
my $htdocs;
my @themes;
- if ( $interface eq 'intranet' ) {
+ if ( $interface && $interface eq 'intranet' ) {
$htdocs = C4::Context->config('intrahtdocs');
}
else {
sub _get_language_dirs {
my ($htdocs,$theme) = @_;
- my @languages;
+ $htdocs //= '';
+ $theme //= '';
+ my @lang_strings;
opendir D, "$htdocs/$theme";
- for my $language ( readdir D ) {
- next if $language =~/^\./;
- next if $language eq 'all';
- next if $language =~/png$/;
- next if $language =~/css$/;
- next if $language =~/CVS$/;
- next if $language =~/\.txt$/i; #Don't read the readme.txt !
- next if $language =~/img|images/;
- push @languages, $language;
+ for my $lang_string ( readdir D ) {
+ next if $lang_string =~/^\./;
+ next if $lang_string eq 'all';
+ next if $lang_string =~/png$/;
+ next if $lang_string =~/js$/;
+ next if $lang_string =~/css$/;
+ next if $lang_string =~/CVS$/;
+ next if $lang_string =~/\.txt$/i; #Don't read the readme.txt !
+ next if $lang_string =~/img|images|famfam|js|less|lib|sound|pdf/;
+ push @lang_strings, $lang_string;
}
- return (@languages);
+ return (@lang_strings);
}
=head2 _build_languages_arrayref
=cut
sub _build_languages_arrayref {
- my ($all_languages,@languages) = @_;
- my @final_languages;
- my %seen_languages;
- my %found_languages;
- # Loop through the languages, pick the ones that are translated
- for my $language (@languages) {
-
- # separate the language string into its subtag types
- my $language_subtags_hashref = regex_lang_subtags($language);
- unless ($seen_languages{$language}) {
- for my $language_code (@$all_languages) {
- if ($language_subtags_hashref->{language} eq $language_code->{'subtag'}) {
- $language_code->{'language_lang'} = $language;
- $language_code->{'language_code'} = $language_subtags_hashref->{'language'};
- $language_code->{'script_code'} = $language_subtags_hashref->{'script'};
- $language_code->{'region_code'} = $language_subtags_hashref->{'region'};
- $language_code->{'variant_code'} = $language_subtags_hashref->{'variant'};
- push @final_languages, $language_code;
- $found_languages{$language}++;
- }
- }
- $seen_languages{$language}++;
-
- # Handle languages not in our database with their code
- unless ($found_languages{$language}) {
- my $language_code;
- $language_code->{'language_lang'} = $language;
- $language_code->{'language_code'} = $language;
- push @final_languages, $language_code;
- }
+ my ($translated_languages,$current_language,$enabled_languages) = @_;
+ $current_language //= '';
+ my @translated_languages = @$translated_languages;
+ my @languages_loop; # the final reference to an array of hashrefs
+ my @enabled_languages = @$enabled_languages;
+ # how many languages are enabled, if one, take note, some contexts won't need to display it
+ my %seen_languages; # the language tags we've seen
+ my %found_languages;
+ my $language_groups;
+ my $track_language_groups;
+ my $current_language_regex = regex_lang_subtags($current_language);
+ # Loop through the translated languages
+ for my $translated_language (@translated_languages) {
+ # separate the language string into its subtag types
+ my $language_subtags_hashref = regex_lang_subtags($translated_language);
+
+ # is this language string 'enabled'?
+ for my $enabled_language (@enabled_languages) {
+ #warn "Checking out if $translated_language eq $enabled_language";
+ $language_subtags_hashref->{'enabled'} = 1 if $translated_language eq $enabled_language;
}
+
+ # group this language, key by langtag
+ $language_subtags_hashref->{'sublanguage_current'} = 1 if $translated_language eq $current_language;
+ $language_subtags_hashref->{'rfc4646_subtag'} = $translated_language;
+ $language_subtags_hashref->{'native_description'} = language_get_description($language_subtags_hashref->{language},$language_subtags_hashref->{language},'language');
+ $language_subtags_hashref->{'script_description'} = language_get_description($language_subtags_hashref->{script},$language_subtags_hashref->{'language'},'script');
+ $language_subtags_hashref->{'region_description'} = language_get_description($language_subtags_hashref->{region},$language_subtags_hashref->{'language'},'region');
+ $language_subtags_hashref->{'variant_description'} = language_get_description($language_subtags_hashref->{variant},$language_subtags_hashref->{'language'},'variant');
+ $track_language_groups->{$language_subtags_hashref->{'language'}}++;
+ push ( @{ $language_groups->{$language_subtags_hashref->{language}} }, $language_subtags_hashref );
}
- return \@final_languages;
+ # $key is a language subtag like 'en'
+
+ my %idx = map { $enabled_languages->[$_] => $_ } reverse 0 .. @$enabled_languages-1;
+ my @ordered_keys = sort {
+ my $aa = $language_groups->{$a}->[0]->{rfc4646_subtag};
+ my $bb = $language_groups->{$b}->[0]->{rfc4646_subtag};
+ ( exists $idx{$aa} and exists $idx{$bb} and ( $idx{$aa} cmp $idx{$bb} ) )
+ || ( exists $idx{$aa} and exists $idx{$bb} )
+ || exists $idx{$bb}
+ } keys %$language_groups;
+
+ for my $key ( @ordered_keys ) {
+ my $value = $language_groups->{$key};
+ # is this language group enabled? are any of the languages within it enabled?
+ my $enabled;
+ for my $enabled_language (@enabled_languages) {
+ my $regex_enabled_language = regex_lang_subtags($enabled_language);
+ $enabled = 1 if $key eq ($regex_enabled_language->{language} // '');
+ }
+ push @languages_loop, {
+ # this is only use if there is one
+ rfc4646_subtag => @$value[0]->{rfc4646_subtag},
+ native_description => language_get_description($key,$key,'language'),
+ language => $key,
+ sublanguages_loop => $value,
+ plural => $track_language_groups->{$key} >1 ? 1 : 0,
+ current => ($current_language_regex->{language} // '') eq $key ? 1 : 0,
+ group_enabled => $enabled,
+ };
+ }
+ return \@languages_loop;
}
sub language_get_description {
- my ($script,$lang,$type) = @_;
- my $dbh = C4::Context->dbh;
- my $desc;
- my $sth = $dbh->prepare('SELECT description FROM language_descriptions WHERE subtag=? AND lang=? AND type=?');
- $sth->execute($script,$lang,$type);
- while (my $descriptions = $sth->fetchrow_hashref) {
- $desc = $descriptions->{'description'};
- }
- return $desc;
+ my ($script,$lang,$type) = @_;
+ my $dbh = C4::Context->dbh;
+ my $desc;
+ my $sth = $dbh->prepare("SELECT description FROM language_descriptions WHERE subtag=? AND lang=? AND type=?");
+ #warn "QUERY: SELECT description FROM language_descriptions WHERE subtag=$script AND lang=$lang AND type=$type";
+ $sth->execute($script,$lang,$type);
+ while (my $descriptions = $sth->fetchrow_hashref) {
+ $desc = $descriptions->{'description'};
+ }
+ unless ($desc) {
+ $sth = $dbh->prepare("SELECT description FROM language_descriptions WHERE subtag=? AND lang=? AND type=?");
+ $sth->execute($script,'en',$type);
+ while (my $descriptions = $sth->fetchrow_hashref) {
+ $desc = $descriptions->{'description'};
+ }
+ }
+ return $desc;
}
=head2 regex_lang_subtags
#my $root = qr{(?: ($language) (?: $s ($script) )? 40% (?: $s ($region) )? 40% (?: $s ($variant) )? 10% (?: $s ($extension) )? 5% (?: $s ($privateuse) )? 5% ) 90% | ($grandfathered) 5% | ($privateuse) 5% };
- $string =~ qr{^ (?:($language)) (?:$s($script))? (?:$s($region))? (?:$s($variant))? (?:$s($extension))? (?:$s($privateuse))? $}xi; # |($grandfathered) | ($privateuse) $}xi;
- my %subtag = (
+ $string =~ qr{^ (?:($language)) (?:$s($script))? (?:$s($region))? (?:$s($variant))? (?:$s($extension))? (?:$s($privateuse))? $}xi; # |($grandfathered) | ($privateuse) $}xi;
+ my %subtag = (
+ 'rfc4646_subtag' => $string,
'language' => $1,
'script' => $2,
'region' => $3,
# Script Direction Resources:
# http://www.w3.org/International/questions/qa-scripts
sub get_bidi {
- my ($language_script)= @_;
- my $dbh = C4::Context->dbh;
- my $bidi;
- my $sth = $dbh->prepare('SELECT bidi FROM language_script_bidi WHERE rfc4646_subtag=?');
- $sth->execute($language_script);
- while (my $result = $sth->fetchrow_hashref) {
- $bidi = $result->{'bidi'};
- }
- return $bidi;
+ my ($language_script)= @_;
+ my $dbh = C4::Context->dbh;
+ my $bidi;
+ my $sth = $dbh->prepare('SELECT bidi FROM language_script_bidi WHERE rfc4646_subtag=?');
+ $sth->execute($language_script);
+ while (my $result = $sth->fetchrow_hashref) {
+ $bidi = $result->{'bidi'};
+ }
+ return $bidi;
};
sub accept_language {
- # referenced http://search.cpan.org/src/CGILMORE/I18N-AcceptLanguage-1.04/lib/I18N/AcceptLanguage.pm
- # FIXME: since this is only used in Output.pm as of Jan 8 2008, maybe it should be IN Output.pm
- my ($clientPreferences,$supportedLanguages) = @_;
- my @languages = ();
- if ($clientPreferences) {
- # There should be no whitespace anways, but a cleanliness/sanity check
- $clientPreferences =~ s/\s//g;
-
- # Prepare the list of client-acceptable languages
- foreach my $tag (split(/,/, $clientPreferences)) {
- my ($language, $quality) = split(/\;/, $tag);
- $quality =~ s/^q=//i if $quality;
- $quality = 1 unless $quality;
- next if $quality <= 0;
- # We want to force the wildcard to be last
- $quality = 0 if ($language eq '*');
- # Pushing lowercase language here saves processing later
- push(@languages, { quality => $quality,
- language => $language,
- lclanguage => lc($language) });
- }
- } else {
- carp "accept_language(x,y) called with no clientPreferences (x).";
- }
- # Prepare the list of server-supported languages
- my %supportedLanguages = ();
- my %secondaryLanguages = ();
- foreach my $language (@$supportedLanguages) {
- # warn "Language supported: " . $language->{language_code};
- $supportedLanguages{lc($language->{language_code})} = $language->{language_code};
- if ($language->{language_code} =~ /^([^-]+)-?/) {
- $secondaryLanguages{lc($1)} = $language->{language_code};
- }
- }
-
- # Reverse sort the list, making best quality at the front of the array
- @languages = sort { $b->{quality} <=> $a->{quality} } @languages;
- my $secondaryMatch = '';
- foreach my $tag (@languages) {
- if (exists($supportedLanguages{$tag->{lclanguage}})) {
- # Client en-us eq server en-us
- return $supportedLanguages{$tag->{language}} if exists($supportedLanguages{$tag->{language}});
- return $supportedLanguages{$tag->{lclanguage}};
- } elsif (exists($secondaryLanguages{$tag->{lclanguage}})) {
- # Client en eq server en-us
- return $secondaryLanguages{$tag->{language}} if exists($secondaryLanguages{$tag->{language}});
- return $supportedLanguages{$tag->{lclanguage}};
- } elsif ($tag->{lclanguage} =~ /^([^-]+)-/ && exists($secondaryLanguages{$1}) && $secondaryMatch eq '') {
- # Client en-gb eq server en-us
- $secondaryMatch = $secondaryLanguages{$1};
- } elsif ($tag->{lclanguage} =~ /^([^-]+)-/ && exists($secondaryLanguages{$1}) && $secondaryMatch eq '') {
- # FIXME: We just checked the exact same conditional!
- # Client en-us eq server en
- $secondaryMatch = $supportedLanguages{$1};
- } elsif ($tag->{lclanguage} eq '*') {
- # * matches every language not already specified.
- # It doesn't care which we pick, so let's pick the default,
- # if available, then the first in the array.
- #return $acceptor->defaultLanguage() if $acceptor->defaultLanguage();
- return $supportedLanguages->[0];
- }
- }
- # No primary matches. Secondary? (ie, en-us requested and en supported)
- return $secondaryMatch if $secondaryMatch;
- return undef; # else, we got nothing.
+ # referenced http://search.cpan.org/src/CGILMORE/I18N-AcceptLanguage-1.04/lib/I18N/AcceptLanguage.pm
+ my ($clientPreferences,$supportedLanguages) = @_;
+ my @languages = ();
+ if ($clientPreferences) {
+ # There should be no whitespace anways, but a cleanliness/sanity check
+ $clientPreferences =~ s/\s//g;
+ # Prepare the list of client-acceptable languages
+ foreach my $tag (split(/,/, $clientPreferences)) {
+ my ($language, $quality) = split(/\;/, $tag);
+ $quality =~ s/^q=//i if $quality;
+ $quality = 1 unless $quality;
+ next if $quality <= 0;
+ # We want to force the wildcard to be last
+ $quality = 0 if ($language eq '*');
+ # Pushing lowercase language here saves processing later
+ push(@languages, { quality => $quality,
+ language => $language,
+ lclanguage => lc($language) });
+ }
+ } else {
+ carp "accept_language(x,y) called with no clientPreferences (x).";
+ }
+ # Prepare the list of server-supported languages
+ my %supportedLanguages = ();
+ my %secondaryLanguages = ();
+ foreach my $language (@$supportedLanguages) {
+ # warn "Language supported: " . $language->{language};
+ my $subtag = $language->{rfc4646_subtag};
+ $supportedLanguages{lc($subtag)} = $subtag;
+ if ( $subtag =~ /^([^-]+)-?/ ) {
+ $secondaryLanguages{lc($1)} = $subtag;
+ }
+ }
+
+ # Reverse sort the list, making best quality at the front of the array
+ @languages = sort { $b->{quality} <=> $a->{quality} } @languages;
+ my $secondaryMatch = '';
+ foreach my $tag (@languages) {
+ if (exists($supportedLanguages{$tag->{lclanguage}})) {
+ # Client en-us eq server en-us
+ return $supportedLanguages{$tag->{language}} if exists($supportedLanguages{$tag->{language}});
+ return $supportedLanguages{$tag->{lclanguage}};
+ } elsif (exists($secondaryLanguages{$tag->{lclanguage}})) {
+ # Client en eq server en-us
+ return $secondaryLanguages{$tag->{language}} if exists($secondaryLanguages{$tag->{language}});
+ return $supportedLanguages{$tag->{lclanguage}};
+ } elsif ($tag->{lclanguage} =~ /^([^-]+)-/ && exists($secondaryLanguages{$1}) && $secondaryMatch eq '') {
+ # Client en-gb eq server en-us
+ $secondaryMatch = $secondaryLanguages{$1};
+ } elsif ($tag->{lclanguage} =~ /^([^-]+)-/ && exists($secondaryLanguages{$1}) && $secondaryMatch eq '') {
+ # FIXME: We just checked the exact same conditional!
+ # Client en-us eq server en
+ $secondaryMatch = $supportedLanguages{$1};
+ } elsif ($tag->{lclanguage} eq '*') {
+ # * matches every language not already specified.
+ # It doesn't care which we pick, so let's pick the default,
+ # if available, then the first in the array.
+ #return $acceptor->defaultLanguage() if $acceptor->defaultLanguage();
+ return $supportedLanguages->[0];
+ }
+ }
+ # No primary matches. Secondary? (ie, en-us requested and en supported)
+ return $secondaryMatch if $secondaryMatch;
+ return undef; # else, we got nothing.
}
+
+=head2 getlanguage
+
+ Select a language based on the URL parameter 'language', a cookie,
+ syspref available languages & browser
+
+=cut
+
+sub getlanguage {
+ my ($cgi) = @_;
+
+ my $memory_cache = Koha::Cache::Memory::Lite->get_instance();
+ my $cache_key = "getlanguage";
+ unless ( $cgi and $cgi->param('language') ) {
+ my $cached = $memory_cache->get_from_cache($cache_key);
+ return $cached if $cached;
+ }
+
+ $cgi //= new CGI;
+ my $interface = C4::Context->interface;
+ my $theme = C4::Context->preference( ( $interface eq 'opac' ) ? 'opacthemes' : 'template' );
+ my $language;
+
+ my $preference_to_check =
+ $interface eq 'intranet' ? 'language' : 'opaclanguages';
+ # Get the available/valid languages list
+ my @languages;
+ my $preference_value = C4::Context->preference($preference_to_check);
+ if ($preference_value) {
+ @languages = split /,/, $preference_value;
+ }
+
+ # Chose language from the URL
+ my $cgi_param_language = $cgi->param( 'language' );
+ if ( defined $cgi_param_language && any { $_ eq $cgi_param_language } @languages) {
+ $language = $cgi_param_language;
+ }
+
+ # cookie
+ if (not $language and my $cgi_cookie_language = $cgi->cookie('KohaOpacLanguage') ) {
+ ( $language = $cgi_cookie_language ) =~ s/[^a-zA-Z_-]*//; # sanitize cookie
+ }
+
+ # HTTP_ACCEPT_LANGUAGE
+ if ( !$language && $ENV{HTTP_ACCEPT_LANGUAGE} ) {
+ $language = accept_language( $ENV{HTTP_ACCEPT_LANGUAGE},
+ getTranslatedLanguages( $interface, $theme ) );
+ }
+
+ # Ignore a lang not selected in sysprefs
+ if ( $language && not any { $_ eq $language } @languages ) {
+ $language = undef;
+ }
+
+ # Pick the first selected syspref language
+ $language = shift @languages unless $language;
+
+ # Fall back to English if necessary
+ $language ||= 'en';
+
+ $memory_cache->set_in_cache( $cache_key, $language );
+ return $language;
+}
+
1;
__END__
projects / koha.git / blobdiff