X-Git-Url: http://git.rot13.org/?a=blobdiff_plain;f=C4%2FLanguages.pm;h=5e4dabd14d8818a0e3bd1a20f12dcad47cf76962;hb=5b2e49141586d0c169de5a67349cd9785836b8e6;hp=415a798f6bbc58525851d7ca8e3439ee1a9fccfe;hpb=eefeef0c1ff606dc15ad6105537c5e6fb8f7393d;p=koha.git

diff --git a/C4/Languages.pm b/C4/Languages.pm
index 415a798f6b..5e4dabd14d 100644
--- a/C4/Languages.pm
+++ b/C4/Languages.pm
@@ -5,37 +5,40 @@ package C4::Languages;
 # 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.,
-# 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 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; FIXME - Bug 2505
+use strict;
+use warnings;
+
 use Carp;
+use CGI;
+use List::MoreUtils qw( any );
 use C4::Context;
-use Koha::Cache;
-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 = 3.07.00.049;
     require Exporter;
     @ISA    = qw(Exporter);
     @EXPORT = qw(
         &getFrameworkLanguages
         &getTranslatedLanguages
+        &getLanguages
         &getAllLanguages
     );
-    @EXPORT_OK = qw(getFrameworkLanguages getTranslatedLanguages getAllLanguages get_bidi regex_lang_subtags language_get_description accept_language);
+    @EXPORT_OK = qw(getFrameworkLanguages getTranslatedLanguages getAllLanguages getLanguages get_bidi regex_lang_subtags language_get_description accept_language getlanguage);
     $DEBUG = 0;
 }
 
@@ -67,15 +70,6 @@ Returns a reference to an array of hashes:
 =cut
 
 sub getFrameworkLanguages {
-
-    my $cache;
-    if (Koha::Cache->is_cache_active()) {
-        $cache = Koha::Cache->new();
-        if (defined $cache) {
-            my $cached = $cache->get_from_cache("getFrameworkLanguages");
-            return $cached if $cached;
-        }
-    }
     # get a hash with all language codes, names, and locale names
     my $all_languages = getAllLanguages();
     my @languages;
@@ -98,9 +92,6 @@ sub getFrameworkLanguages {
             }
         }
     }
-    if (Koha::Cache->is_cache_active() && defined $cache) {
-        $cache->set_in_cache("getFrameworkLanguages",\@languages,1000)
-    }
     return \@languages;
 }
 
@@ -121,7 +112,6 @@ Returns a reference to an array of hashes:
 sub getTranslatedLanguages {
     my ($interface, $theme, $current_language, $which) = @_;
     my $htdocs;
-    my $all_languages = getAllLanguages();
     my @languages;
     my @enabled_languages;
  
@@ -163,7 +153,7 @@ sub getTranslatedLanguages {
         $seen{$_}++ for @languages;
         @languages = keys %seen;
     }
-    return _build_languages_arrayref($all_languages,\@languages,$current_language,\@enabled_languages);
+    return _build_languages_arrayref(\@languages,$current_language,\@enabled_languages);
 }
 
 =head2 getAllLanguages
@@ -178,33 +168,57 @@ Returns a reference to an array of hashes:
     print "$language->{language_locale_name}\n";
  }
 
+This routine is a wrapper for getLanguages().
+
 =cut
 
 sub getAllLanguages {
-    # retrieve from cache if applicable
-    my $cache;
-    if (Koha::Cache->is_cache_active()) {
-        $cache = Koha::Cache->new();
-        if (defined $cache) {
-            my $cached = $cache->get_from_cache("getAllLanguages");
-            if ($cached) {
-                return $cached;
-            }
-        }
-    }
+    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 $current_language = shift || 'en';
+    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) {
-
-        # pull out all the script descriptions for each language
+        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 = ?");
-        $sth2->execute($language_subtag_registry->{subtag},$current_language);
-
+        if ($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});
@@ -224,10 +238,10 @@ sub getAllLanguages {
                 $language_subtag_registry->{language_description} = $language_descriptions->{description};
             }
         }
-        push @languages_loop, $language_subtag_registry;
-    }
-    if (Koha::Cache->is_cache_active() && defined $cache) {
-        $cache->set_in_cache("getAllLanguages",\@languages_loop,1000);
+        # 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;
 }
@@ -245,7 +259,7 @@ sub _get_themes {
     my $interface = shift;
     my $htdocs;
     my @themes;
-    if ( $interface eq 'intranet' ) {
+    if ( $interface && $interface eq 'intranet' ) {
         $htdocs = C4::Context->config('intrahtdocs');
     }
     else {
@@ -268,16 +282,19 @@ Internal function, returns an array of directory names, excluding non-language d
 
 sub _get_language_dirs {
     my ($htdocs,$theme) = @_;
+    $htdocs //= '';
+    $theme //= '';
     my @lang_strings;
     opendir D, "$htdocs/$theme";
     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|sound|pdf/;
+        next if $lang_string =~/img|images|famfam|js|less|lib|sound|pdf/;
         push @lang_strings, $lang_string;
     }
         return (@lang_strings);
@@ -292,7 +309,8 @@ FIXME: this could be rewritten and simplified using map
 =cut
 
 sub _build_languages_arrayref {
-        my ($all_languages,$translated_languages,$current_language,$enabled_languages) = @_;
+        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;
@@ -330,7 +348,7 @@ sub _build_languages_arrayref {
             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};
+                $enabled = 1 if $key eq ($regex_enabled_language->{language} // '');
             }
             push @languages_loop,  {
                             # this is only use if there is one
@@ -339,7 +357,7 @@ sub _build_languages_arrayref {
                             language => $key,
                             sublanguages_loop => $value,
                             plural => $track_language_groups->{$key} >1 ? 1 : 0,
-                            current => $current_language_regex->{language} eq $key ? 1 : 0,
+                            current => ($current_language_regex->{language} // '') eq $key ? 1 : 0,
                             group_enabled => $enabled,
                            };
         }
@@ -530,6 +548,70 @@ sub accept_language {
     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__