Passed
Push — master ( 01202f...713784 )
by Greg
07:38
created

PedigreeMapModule::getPedigreeMapAction()   A

Complexity

Conditions 3
Paths 3

Size

Total Lines 30
Code Lines 21

Duplication

Lines 0
Ratio 0 %

Importance

Changes 1
Bugs 0 Features 0
Metric Value
cc 3
eloc 21
nc 3
nop 1
dl 0
loc 30
rs 9.584
c 1
b 0
f 0
1
<?php
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/**
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 * webtrees: online genealogy
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 * Copyright (C) 2019 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 <http://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 Aura\Router\RouterContainer;
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use Fig\Http\Message\RequestMethodInterface;
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use Fig\Http\Message\StatusCodeInterface;
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use Fisharebest\Webtrees\Auth;
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use Fisharebest\Webtrees\Fact;
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use Fisharebest\Webtrees\Family;
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use Fisharebest\Webtrees\Functions\Functions;
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use Fisharebest\Webtrees\GedcomTag;
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use Fisharebest\Webtrees\I18N;
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use Fisharebest\Webtrees\Individual;
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use Fisharebest\Webtrees\Location;
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use Fisharebest\Webtrees\Menu;
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use Fisharebest\Webtrees\Services\ChartService;
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use Psr\Http\Message\ResponseInterface;
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use Psr\Http\Message\ServerRequestInterface;
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use Psr\Http\Server\RequestHandlerInterface;
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use function intdiv;
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use function view;
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/**
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 * Class PedigreeMapModule
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 */
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class PedigreeMapModule extends AbstractModule implements ModuleChartInterface, RequestHandlerInterface
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{
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    use ModuleChartTrait;
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    private const ROUTE_NAME = 'pedigree-map';
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    private const ROUTE_URL  = '/tree/{tree}/pedigree-map-{generations}/{xref}';
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    // Defaults
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    public const DEFAULT_GENERATIONS = '4';
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    public const DEFAULT_PARAMETERS  = [
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        'generations' => self::DEFAULT_GENERATIONS,
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    ];
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    // Limits
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    public const MAXIMUM_GENERATIONS = 10;
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    private const LINE_COLORS = [
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        '#FF0000',
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        // Red
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        '#00FF00',
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        // Green
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        '#0000FF',
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        // Blue
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        '#FFB300',
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        // Gold
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        '#00FFFF',
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        // Cyan
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        '#FF00FF',
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        // Purple
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        '#7777FF',
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        // Light blue
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        '#80FF80'
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        // Light green
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    ];
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    /** @var ChartService */
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    private $chart_service;
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    /**
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     * PedigreeMapModule constructor.
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     *
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     * @param ChartService $chart_service
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     */
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    public function __construct(ChartService $chart_service)
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    {
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        $this->chart_service = $chart_service;
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    }
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    /**
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     * Initialization.
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     *
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     * @param RouterContainer $router_container
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     */
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    public function boot(RouterContainer $router_container)
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    {
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        $router_container->getMap()
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            ->get(self::ROUTE_NAME, self::ROUTE_URL, self::class)
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            ->allows(RequestMethodInterface::METHOD_POST)
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            ->tokens([
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                'generations' => '\d+',
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            ]);
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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 */
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        return I18N::translate('Pedigree map');
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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 “Pedigree map” module */
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        return I18N::translate('Show the birthplace of ancestors on a map.');
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    }
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    /**
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     * CSS class for the URL.
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     *
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     * @return string
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     */
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    public function chartMenuClass(): string
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    {
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        return 'menu-chart-pedigreemap';
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    }
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    /**
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     * Return a menu item for this chart - for use in individual boxes.
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     *
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     * @param Individual $individual
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     *
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     * @return Menu|null
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     */
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    public function chartBoxMenu(Individual $individual): ?Menu
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    {
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        return $this->chartMenu($individual);
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    }
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    /**
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     * The title for a specific instance of this chart.
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     *
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     * @param Individual $individual
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     *
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     * @return string
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     */
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    public function chartTitle(Individual $individual): string
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    {
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        /* I18N: %s is an individual’s name */
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        return I18N::translate('Pedigree map of %s', $individual->fullName());
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    }
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    /**
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     * The URL for a page showing chart options.
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     *
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     * @param Individual $individual
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     * @param string[]   $parameters
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     *
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     * @return string
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     */
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    public function chartUrl(Individual $individual, array $parameters = []): string
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    {
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        return route(self::ROUTE_NAME, [
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                'tree' => $individual->tree()->name(),
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                'xref' => $individual->xref(),
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            ] + $parameters + self::DEFAULT_PARAMETERS);
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    }
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    /**
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     * @param ServerRequestInterface $request
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     *
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     * @return ResponseInterface
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     */
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    public function getMapDataAction(ServerRequestInterface $request): ResponseInterface
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    {
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        $ajax        = $request->getQueryParams()['ajax'] ?? '';
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        $generations = (int) $request->getAttribute('generations');
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        $tree        = $request->getAttribute('tree');
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        $user        = $request->getAttribute('user');
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        $xref        = $request->getAttribute('xref');
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        $individual  = Individual::getInstance($xref, $tree);
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        $color_count = count(self::LINE_COLORS);
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        $facts = $this->getPedigreeMapFacts($request, $this->chart_service);
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        $geojson = [
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            'type'     => 'FeatureCollection',
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            'features' => [],
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        ];
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        $sosa_points = [];
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        foreach ($facts as $id => $fact) {
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            $location = new Location($fact->place()->gedcomName());
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            // Use the co-ordinates from the fact (if they exist).
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            $latitude  = $fact->latitude();
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            $longitude = $fact->longitude();
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            // Use the co-ordinates from the location otherwise.
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            if ($latitude === 0.0 && $longitude === 0.0) {
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                $latitude  = $location->latitude();
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                $longitude = $location->longitude();
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            }
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            $icon = ['color' => 'Gold', 'name' => 'bullseye '];
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            if ($latitude !== 0.0 || $longitude !== 0.0) {
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                $polyline         = null;
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                $color            = self::LINE_COLORS[log($id, 2) % $color_count];
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                $icon['color']    = $color; //make icon color the same as the line
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                $sosa_points[$id] = [$latitude, $longitude];
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                $sosa_parent      = intdiv($id, 2);
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                if (array_key_exists($sosa_parent, $sosa_points)) {
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                    // Would like to use a GeometryCollection to hold LineStrings
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                    // rather than generate polylines but the MarkerCluster library
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                    // doesn't seem to like them
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                    $polyline = [
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                        'points'  => [
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                            $sosa_points[$sosa_parent],
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                            [$latitude, $longitude],
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                        ],
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                        'options' => [
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                            'color' => $color,
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                        ],
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                    ];
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                }
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                $geojson['features'][] = [
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                    'type'       => 'Feature',
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                    'id'         => $id,
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                    'valid'      => true,
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                    'geometry'   => [
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                        'type'        => 'Point',
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                        'coordinates' => [$longitude, $latitude],
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                    ],
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                    'properties' => [
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                        'polyline' => $polyline,
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                        'icon'     => $icon,
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                        'tooltip'  => strip_tags($fact->place()->fullName()),
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                        'summary'  => view('modules/pedigree-map/events', $this->summaryData($individual, $fact, $id)),
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                        'zoom'     => $location->zoom() ?: 2,
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                    ],
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                ];
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            }
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        }
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        $code = empty($facts) ? StatusCodeInterface::STATUS_NO_CONTENT : StatusCodeInterface::STATUS_OK;
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        return response($geojson, $code);
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    }
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    /**
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     * @param ServerRequestInterface $request
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     *
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     * @return ResponseInterface
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     */
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    public function handle(ServerRequestInterface $request): ResponseInterface
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    {
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        $generations = (int) $request->getAttribute('generations');
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        $tree        = $request->getAttribute('tree');
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        $user        = $request->getAttribute('user');
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        $xref        = $request->getAttribute('xref');
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        $individual  = Individual::getInstance($xref, $tree);
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        Auth::checkIndividualAccess($individual);
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        Auth::checkComponentAccess($this, 'chart', $tree, $user);
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        $map = view('modules/pedigree-map/chart', [
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            'module'      => $this->name(),
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            'individual'  => $individual,
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            'type'        => 'pedigree',
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            'generations' => $generations,
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        ]);
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        return $this->viewResponse('modules/pedigree-map/page', [
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            'module'         => $this->name(),
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            /* I18N: %s is an individual’s name */
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            'title'          => I18N::translate('Pedigree map of %s', $individual->fullName()),
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            'tree'           => $tree,
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            'individual'     => $individual,
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            'generations'    => $generations,
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            'maxgenerations' => self::MAXIMUM_GENERATIONS,
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            'map'            => $map,
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        ]);
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    }
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    /**
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     * @param ServerRequestInterface $request
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     * @param ChartService           $chart_service
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     *
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     * @return array
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     */
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    private function getPedigreeMapFacts(ServerRequestInterface $request, ChartService $chart_service): array
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    {
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        $generations = (int) $request->getAttribute('generations');
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        $tree        = $request->getAttribute('tree');
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        $xref        = $request->getAttribute('xref');
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        $individual  = Individual::getInstance($xref, $tree);
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        $ancestors   = $chart_service->sosaStradonitzAncestors($individual, $generations);
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        $facts       = [];
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        foreach ($ancestors as $sosa => $person) {
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            if ($person->canShow()) {
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                $birth = $person->facts(['BIRT'])->first();
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                if ($birth instanceof Fact && $birth->place()->gedcomName() !== '') {
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                    $facts[$sosa] = $birth;
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                }
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            }
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        }
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        return $facts;
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    }
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    /**
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     * @param Individual $individual
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     * @param Fact       $fact
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     * @param int        $sosa
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     *
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     * @return array
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     */
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    private function summaryData(Individual $individual, Fact $fact, int $sosa): array
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    {
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        $record      = $fact->record();
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        $name        = '';
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        $url         = '';
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        $tag         = $fact->label();
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        $addbirthtag = false;
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        if ($record instanceof Family) {
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            // Marriage
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            $spouse = $record->spouse($individual);
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            if ($spouse) {
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                $url  = $spouse->url();
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                $name = $spouse->fullName();
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            }
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        } elseif ($record !== $individual) {
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            // Birth of a child
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            $url  = $record->url();
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            $name = $record->fullName();
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            $tag  = GedcomTag::getLabel('_BIRT_CHIL', $record);
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        }
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        if ($sosa > 1) {
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            $addbirthtag = true;
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            $tag         = ucfirst($this->getSosaName($sosa));
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        }
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        return [
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            'tag'    => $tag,
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            'url'    => $url,
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            'name'   => $name,
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            'value'  => $fact->value(),
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            'date'   => $fact->date()->display(true),
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            'place'  => $fact->place(),
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            'addtag' => $addbirthtag,
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        ];
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    }
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    /**
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     * builds and returns sosa relationship name in the active language
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     *
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     * @param int $sosa Sosa number
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     *
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     * @return string
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     */
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    private function getSosaName(int $sosa): string
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    {
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        $path = '';
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        while ($sosa > 1) {
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            if ($sosa % 2 === 1) {
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                $path = 'mot' . $path;
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            } else {
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                $path = 'fat' . $path;
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            }
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            $sosa = intdiv($sosa, 2);
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        }
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        return Functions::getRelationshipNameFromPath($path);
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    }
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}
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