refs #17575 [fid_bbi] configure Browse page

* only allow tags browsing
* remove letter level from alphabetical search

fid_bbi/config/vufind/config.ini

@@ -131,3 +131,25 @@ WorldcatTab = enabled
 EndNote = "record,bulk"
 BibTeX = "record,bulk"
 RIS = "record,bulk"
+
+; This section controls the behavior of the Browse module.  The result_limit
+; setting controls the maximum number of results that may display in any given
+; result box on the Browse screen.  You can set to -1 for no limit; however,
+; setting a very high (or no) limit may result in "out of memory" errors if you
+; have a large index!
+[Browse]
+result_limit    = 100
+tag             = true      ; allow browsing of Tags
+dewey           = false     ; allow browsing of Dewey Decimal call numbers
+lcc             = false      ; allow browsing of LC call numbers
+author          = false      ; allow browsing of authors
+topic           = false      ; allow browsing of subject headings
+genre           = false      ; allow browsing of genre subdivisions
+region          = false      ; allow browsing of region subdivisions
+era             = false      ; allow browsing of era subdivisions
+; You can use this setting to change the default alphabet provided for browsing:
+alphabet_letters = "AÄBCDEFGHIJKLMNOÖPQRSTUÜVWXYZ"
+; Uncomment to sort lists alphabetically (instead of by popularity); note that
+; this will not changed the values returned -- you will still get only the
+; <result_limit> most popular entries -- it only affects display order.
+alphabetical_order = true
\ No newline at end of file

module/fid_bbi/config/module.config.php

@@ -38,6 +38,7 @@ $config = [
             'fid_bbi\Controller\SearchController'   => 'VuFind\Controller\AbstractBaseFactory',
             'fid_bbi\Controller\MyResearchController'   => 'VuFind\Controller\AbstractBaseFactory',
             'fid_bbi\Controller\RecordController'   => 'VuFind\Controller\AbstractBaseWithConfigFactory',
+            'fid_bbi\Controller\BrowseController' => 'VuFind\Controller\AbstractBaseWithConfigFactory',
         ],
         'aliases'   => [
             'feedback' => 'fid_bbi\Controller\FeedbackController',
@@ -47,6 +48,7 @@ $config = [
             'Record'   => 'fid_bbi\Controller\RecordController',
             'record'   => 'fid_bbi\Controller\RecordController',
             'VuFind\Controller\MyResearchController' => 'fid_bbi\Controller\MyResearchController',
+            'VuFind\Controller\BrowseController' => 'fid_bbi\Controller\BrowseController',
         ],
     ],
     'vufind'      => [

module/fid_bbi/src/fid_bbi/Controller/BrowseController.php

+<?php
+/**
+ * Browse Module Controller
+ *
+ * PHP version 7
+ *
+ * Copyright (C) Villanova University 2011.
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2,
+ * as published by the Free Software Foundation.
+ *
+ * This program 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 this program; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301  USA
+ *
+ * @category VuFind
+ * @package  Controller
+ * @author   Chris Hallberg <challber@villanova.edu>
+ * @author   Dorian Merz <merz@ub.uni-leipzig.de>
+ * @license  http://opensource.org/licenses/gpl-2.0.php GNU General Public License
+ * @link     https://vufind.org/wiki/development:plugins:controllers Wiki
+ */
+namespace fid_bbi\Controller;
+
+use VuFind\Controller\BrowseController as BaseController;
+
+/**
+ * BrowseController Class
+ *
+ * Controls the browsing feature
+ *
+ * This fid_bbi specific instance removes the letter
+ * level for alphabetical tag browsing
+ *
+ * @category VuFind
+ * @package  Controller
+ * @author   Dorian Merz <merz@ub.uni-leipzig.de>
+ * @license  http://opensource.org/licenses/gpl-2.0.php GNU General Public License
+ * @link     https://vufind.org/wiki/development:plugins:controllers Wiki
+ */
+class BrowseController extends BaseController
+{
+    /**
+     * Browse tags
+     * this is mostly a copy of the
+     * parent method with the alphabetical special case
+     * removed
+     *
+     * @return \Zend\View\Model\ViewModel
+     */
+    public function tagAction()
+    {
+        if (!$this->tagsEnabled()) {
+            throw new ForbiddenException('Tags disabled.');
+        }
+
+        $this->setCurrentAction('Tag');
+        $view = $this->createViewModel();
+
+        $view->categoryList = [
+            'alphabetical' => 'By Alphabetical',
+            'popularity'   => 'By Popularity',
+            'recent'       => 'By Recent'
+        ];
+
+        if ($this->params()->fromQuery('findby')) {
+            $params = $this->getRequest()->getQuery()->toArray();
+            $tagTable = $this->getTable('Tags');
+            // Default case: always display tag list for non-alphabetical modes:
+            $tagList = $tagTable->getTagList(
+                $params['findby'],
+                $this->config->Browse->result_limit
+            );
+            $resultList = [];
+            foreach ($tagList as $i => $tag) {
+                $resultList[$i] = [
+                    'displayText' => $tag['tag'],
+                    'value' => $tag['tag'],
+                    'count'    => $tag['cnt']
+                ];
+            }
+            $view->resultList = $resultList;
+            $view->paramTitle = 'lookfor=';
+            $view->searchParams = [];
+        }
+
+        return $this->performSearch($view);
+    }
+}