Passed
Push — main ( b344f1...b86c01 )
by Greg
11:06 queued 04:09
created

TopSurnamesModule::binaryColumn()   A

Complexity

Conditions 3
Paths 4

Size

Total Lines 13
Code Lines 7

Duplication

Lines 0
Ratio 0 %

Importance

Changes 0
Metric Value
cc 3
eloc 7
nc 4
nop 2
dl 0
loc 13
rs 10
c 0
b 0
f 0
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<?php
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/**
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 * webtrees: online genealogy
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 * Copyright (C) 2022 webtrees development team
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 * This program is free software: you can redistribute it and/or modify
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 * it under the terms of the GNU General Public License as published by
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 * the Free Software Foundation, either version 3 of the License, or
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 * (at your option) any later version.
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 * This program is distributed in the hope that it will be useful,
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 * but WITHOUT ANY WARRANTY; without even the implied warranty of
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 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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 * GNU General Public License for more details.
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 * You should have received a copy of the GNU General Public License
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 * along with this program. If not, see <https://www.gnu.org/licenses/>.
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 */
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declare(strict_types=1);
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namespace Fisharebest\Webtrees\Module;
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use Fisharebest\Webtrees\Auth;
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use Fisharebest\Webtrees\I18N;
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use Fisharebest\Webtrees\Individual;
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use Fisharebest\Webtrees\Services\ModuleService;
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use Fisharebest\Webtrees\Tree;
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use Fisharebest\Webtrees\Validator;
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use Illuminate\Database\Capsule\Manager as DB;
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use Illuminate\Database\Query\Expression;
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use Illuminate\Support\Str;
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use Psr\Http\Message\ServerRequestInterface;
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use function array_slice;
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use function array_sum;
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use function count;
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use function extract;
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use function uasort;
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use function uksort;
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use function view;
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use const EXTR_OVERWRITE;
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/**
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 * Class TopSurnamesModule
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 */
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class TopSurnamesModule extends AbstractModule implements ModuleBlockInterface
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{
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    use ModuleBlockTrait;
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    // Default values for new blocks.
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    private const DEFAULT_NUMBER = '10';
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    private const DEFAULT_STYLE  = 'table';
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    private ModuleService $module_service;
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    /**
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     * TopSurnamesModule constructor.
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     *
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     * @param ModuleService $module_service
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     */
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    public function __construct(ModuleService $module_service)
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    {
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        $this->module_service = $module_service;
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    }
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    /**
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     * How should this module be identified in the control panel, etc.?
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     *
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     * @return string
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     */
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    public function title(): string
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    {
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        /* I18N: Name of a module. Top=Most common */
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        return I18N::translate('Top surnames');
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    }
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    /**
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     * A sentence describing what this module does.
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     *
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     * @return string
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     */
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    public function description(): string
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    {
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        /* I18N: Description of the “Top surnames” module */
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        return I18N::translate('A list of the most popular surnames.');
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    }
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    /**
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     * Generate the HTML content of this block.
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     *
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     * @param Tree                 $tree
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     * @param int                  $block_id
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     * @param string               $context
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     * @param array<string,string> $config
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     *
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     * @return string
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     */
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    public function getBlock(Tree $tree, int $block_id, string $context, array $config = []): string
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    {
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        $num        = (int) $this->getBlockSetting($block_id, 'num', self::DEFAULT_NUMBER);
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        $info_style = $this->getBlockSetting($block_id, 'infoStyle', self::DEFAULT_STYLE);
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        extract($config, EXTR_OVERWRITE);
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        $query = DB::table('name')
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            ->where('n_file', '=', $tree->id())
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            ->where('n_type', '<>', '_MARNM')
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            ->where('n_surn', '<>', '')
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            ->where('n_surn', '<>', Individual::NOMEN_NESCIO)
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            ->select([
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                $this->binaryColumn('n_surn', 'n_surn'),
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                $this->binaryColumn('n_surname', 'n_surname'),
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                new Expression('COUNT(*) AS total'),
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            ])
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            ->groupBy([
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                $this->binaryColumn('n_surn'),
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                $this->binaryColumn('n_surname'),
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            ]);
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        /** @var array<array<int>> $top_surnames */
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        $top_surnames = [];
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        foreach ($query->get() as $row) {
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            $row->n_surn = $row->n_surn === '' ? $row->n_surname : $row->n_surn;
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            $row->n_surn = I18N::strtoupper(I18N::language()->normalize($row->n_surn));
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            $top_surnames[$row->n_surn][$row->n_surname] ??= 0;
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            $top_surnames[$row->n_surn][$row->n_surname] += (int) $row->total;
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        }
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        uasort($top_surnames, static fn (array $x, array $y): int => array_sum($y) <=> array_sum($x));
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        $top_surnames = array_slice($top_surnames, 0, $num, true);
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        // Find a module providing individual lists.
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        $module = $this->module_service
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            ->findByComponent(ModuleListInterface::class, $tree, Auth::user())
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            ->first(static function (ModuleInterface $module): bool {
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                // The family list extends the individual list
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                return
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                    $module instanceof IndividualListModule &&
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                    !$module instanceof FamilyListModule;
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            });
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        switch ($info_style) {
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            case 'tagcloud':
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                uksort($top_surnames, I18N::comparator());
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                $content = view('lists/surnames-tag-cloud', [
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                    'module'   => $module,
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                    'surnames' => $top_surnames,
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                    'totals'   => true,
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                    'tree'     => $tree,
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                ]);
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                break;
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            case 'list':
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                $content = view('lists/surnames-bullet-list', [
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                    'module'   => $module,
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                    'surnames' => $top_surnames,
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                    'totals'   => true,
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                    'tree'     => $tree,
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                ]);
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                break;
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            case 'array':
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                $content = view('lists/surnames-compact-list', [
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                    'module'   => $module,
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                    'surnames' => $top_surnames,
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                    'totals'   => true,
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                    'tree'     => $tree,
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                ]);
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                break;
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            case 'table':
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            default:
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                uksort($top_surnames, I18N::comparator());
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                $content = view('lists/surnames-table', [
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                    'families' => false,
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                    'module'   => $module,
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                    'order'    => [[1, 'desc']],
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                    'surnames' => $top_surnames,
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                    'tree'     => $tree,
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                ]);
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                break;
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        }
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        if ($context !== self::CONTEXT_EMBED) {
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            $num = count($top_surnames);
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            if ($num === 1) {
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                // I18N: i.e. most popular surname.
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                $title = I18N::translate('Top surname');
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            } else {
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                // I18N: Title for a list of the most common surnames, %s is a number. Note that a separate translation exists when %s is 1
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                $title = I18N::plural('Top %s surname', 'Top %s surnames', $num, I18N::number($num));
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            }
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            return view('modules/block-template', [
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                'block'      => Str::kebab($this->name()),
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                'id'         => $block_id,
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                'config_url' => $this->configUrl($tree, $context, $block_id),
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                'title'      => $title,
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                'content'    => $content,
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            ]);
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        }
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        return $content;
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    }
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    /**
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     * Should this block load asynchronously using AJAX?
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     *
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     * Simple blocks are faster in-line, more complex ones can be loaded later.
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     *
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     * @return bool
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     */
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    public function loadAjax(): bool
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    {
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        return false;
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    }
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    /**
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     * Can this block be shown on the user’s home page?
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     *
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     * @return bool
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     */
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    public function isUserBlock(): bool
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    {
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        return true;
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    }
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    /**
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     * Can this block be shown on the tree’s home page?
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     *
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     * @return bool
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     */
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    public function isTreeBlock(): bool
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    {
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        return true;
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    }
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    /**
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     * Update the configuration for a block.
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     *
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     * @param ServerRequestInterface $request
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     * @param int     $block_id
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     *
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     * @return void
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     */
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    public function saveBlockConfiguration(ServerRequestInterface $request, int $block_id): void
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    {
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        $num        = Validator::parsedBody($request)->integer('num');
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        $info_style = Validator::parsedBody($request)->string('infoStyle');
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        $this->setBlockSetting($block_id, 'num', (string) $num);
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        $this->setBlockSetting($block_id, 'infoStyle', $info_style);
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    }
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    /**
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     * An HTML form to edit block settings
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     *
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     * @param Tree $tree
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     * @param int  $block_id
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     *
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     * @return string
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     */
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    public function editBlockConfiguration(Tree $tree, int $block_id): string
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    {
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        $num        = $this->getBlockSetting($block_id, 'num', self::DEFAULT_NUMBER);
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        $info_style = $this->getBlockSetting($block_id, 'infoStyle', self::DEFAULT_STYLE);
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        $info_styles = [
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            /* I18N: An option in a list-box */
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            'list'     => I18N::translate('bullet list'),
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            /* I18N: An option in a list-box */
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            'array'    => I18N::translate('compact list'),
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            /* I18N: An option in a list-box */
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            'table'    => I18N::translate('table'),
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            /* I18N: An option in a list-box */
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            'tagcloud' => I18N::translate('tag cloud'),
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        ];
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        return view('modules/top10_surnames/config', [
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            'num'         => $num,
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            'info_style'  => $info_style,
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            'info_styles' => $info_styles,
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        ]);
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    }
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    /**
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     * This module assumes the database will use binary collation on the name columns.
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     * Until we convert MySQL databases to use utf8_bin, we need to do this at run-time.
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     *
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     * @param string      $column
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     * @param string|null $alias
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     *
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     * @return Expression
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     */
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    private function binaryColumn(string $column, string $alias = null): Expression
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    {
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        if (DB::connection()->getDriverName() === 'mysql') {
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            $sql = 'CAST(' . $column . ' AS binary)';
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        } else {
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            $sql = $column;
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        }
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        if ($alias !== null) {
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            $sql .= ' AS ' . $alias;
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        }
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        return new Expression($sql);
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    }
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}
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