xref: /webtrees/app/Module/DescendancyChartModule.php (revision 61351a03dbeb5920221fcb08c904615fe551fd3a)
1<?php
2
3/**
4 * webtrees: online genealogy
5 * Copyright (C) 2022 webtrees development team
6 * This program is free software: you can redistribute it and/or modify
7 * it under the terms of the GNU General Public License as published by
8 * the Free Software Foundation, either version 3 of the License, or
9 * (at your option) any later version.
10 * This program is distributed in the hope that it will be useful,
11 * but WITHOUT ANY WARRANTY; without even the implied warranty of
12 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
13 * GNU General Public License for more details.
14 * You should have received a copy of the GNU General Public License
15 * along with this program. If not, see <https://www.gnu.org/licenses/>.
16 */
17
18declare(strict_types=1);
19
20namespace Fisharebest\Webtrees\Module;
21
22use Fig\Http\Message\RequestMethodInterface;
23use Fisharebest\Webtrees\Auth;
24use Fisharebest\Webtrees\I18N;
25use Fisharebest\Webtrees\Individual;
26use Fisharebest\Webtrees\Menu;
27use Fisharebest\Webtrees\Registry;
28use Fisharebest\Webtrees\Services\ChartService;
29use Fisharebest\Webtrees\Validator;
30use Psr\Http\Message\ResponseInterface;
31use Psr\Http\Message\ServerRequestInterface;
32use Psr\Http\Server\RequestHandlerInterface;
33
34use function route;
35
36/**
37 * Class DescendancyChartModule
38 */
39class DescendancyChartModule extends AbstractModule implements ModuleChartInterface, RequestHandlerInterface
40{
41    use ModuleChartTrait;
42
43    protected const ROUTE_URL = '/tree/{tree}/descendants-{style}-{generations}/{xref}';
44
45    // Chart styles
46    public const CHART_STYLE_TREE        = 'tree';
47    public const CHART_STYLE_INDIVIDUALS = 'individuals';
48    public const CHART_STYLE_FAMILIES    = 'families';
49
50    // Defaults
51    public const    DEFAULT_STYLE       = self::CHART_STYLE_TREE;
52    public const    DEFAULT_GENERATIONS = '3';
53    protected const DEFAULT_PARAMETERS  = [
54        'generations' => self::DEFAULT_GENERATIONS,
55        'style'       => self::DEFAULT_STYLE,
56    ];
57
58    // Limits
59    protected const MINIMUM_GENERATIONS = 2;
60    protected const MAXIMUM_GENERATIONS = 10;
61
62    private ChartService $chart_service;
63
64    /**
65     * DescendancyChartModule constructor.
66     *
67     * @param ChartService $chart_service
68     */
69    public function __construct(ChartService $chart_service)
70    {
71        $this->chart_service = $chart_service;
72    }
73
74    /**
75     * Initialization.
76     *
77     * @return void
78     */
79    public function boot(): void
80    {
81        Registry::routeFactory()->routeMap()
82            ->get(static::class, static::ROUTE_URL, $this)
83            ->allows(RequestMethodInterface::METHOD_POST);
84    }
85
86    /**
87     * How should this module be identified in the control panel, etc.?
88     *
89     * @return string
90     */
91    public function title(): string
92    {
93        /* I18N: Name of a module/chart */
94        return I18N::translate('Descendants');
95    }
96
97    /**
98     * A sentence describing what this module does.
99     *
100     * @return string
101     */
102    public function description(): string
103    {
104        /* I18N: Description of the “DescendancyChart” module */
105        return I18N::translate('A chart of an individual’s descendants.');
106    }
107
108    /**
109     * CSS class for the URL.
110     *
111     * @return string
112     */
113    public function chartMenuClass(): string
114    {
115        return 'menu-chart-descendants';
116    }
117
118    /**
119     * Return a menu item for this chart - for use in individual boxes.
120     *
121     * @param Individual $individual
122     *
123     * @return Menu|null
124     */
125    public function chartBoxMenu(Individual $individual): ?Menu
126    {
127        return $this->chartMenu($individual);
128    }
129
130    /**
131     * The title for a specific instance of this chart.
132     *
133     * @param Individual $individual
134     *
135     * @return string
136     */
137    public function chartTitle(Individual $individual): string
138    {
139        /* I18N: %s is an individual’s name */
140        return I18N::translate('Descendants of %s', $individual->fullName());
141    }
142
143    /**
144     * The URL for a page showing chart options.
145     *
146     * @param Individual                                $individual
147     * @param array<bool|int|string|array<string>|null> $parameters
148     *
149     * @return string
150     */
151    public function chartUrl(Individual $individual, array $parameters = []): string
152    {
153        return route(static::class, [
154                'tree' => $individual->tree()->name(),
155                'xref' => $individual->xref(),
156            ] + $parameters + self::DEFAULT_PARAMETERS);
157    }
158
159    /**
160     * @param ServerRequestInterface $request
161     *
162     * @return ResponseInterface
163     */
164    public function handle(ServerRequestInterface $request): ResponseInterface
165    {
166        $tree        = Validator::attributes($request)->tree();
167        $user        = Validator::attributes($request)->user();
168        $xref        = Validator::attributes($request)->isXref()->string('xref');
169        $style       = Validator::attributes($request)->isInArrayKeys($this->styles())->string('style');
170        $generations = Validator::attributes($request)->isBetween(self::MINIMUM_GENERATIONS, self::MAXIMUM_GENERATIONS)->integer('generations');
171        $ajax        = Validator::queryParams($request)->boolean('ajax', false);
172
173        // Convert POST requests into GET requests for pretty URLs.
174        if ($request->getMethod() === RequestMethodInterface::METHOD_POST) {
175            return redirect(route(static::class, [
176                'tree'        => $tree->name(),
177                'generations' => Validator::parsedBody($request)->isBetween(self::MINIMUM_GENERATIONS, self::MAXIMUM_GENERATIONS)->integer('generations'),
178                'style'       => Validator::parsedBody($request)->isInArrayKeys($this->styles())->string('style'),
179                'xref'        => Validator::parsedBody($request)->isXref()->string('xref'),
180            ]));
181        }
182
183        Auth::checkComponentAccess($this, ModuleChartInterface::class, $tree, $user);
184
185        $individual  = Registry::individualFactory()->make($xref, $tree);
186        $individual  = Auth::checkIndividualAccess($individual, false, true);
187
188        if ($ajax) {
189            $this->layout = 'layouts/ajax';
190
191            switch ($style) {
192                case self::CHART_STYLE_TREE:
193                    return $this->viewResponse('modules/descendancy_chart/tree', [
194                        'individual'  => $individual,
195                        'generations' => $generations,
196                        'daboville'   => '1',
197                    ]);
198
199                case self::CHART_STYLE_INDIVIDUALS:
200                    $individuals = $this->chart_service->descendants($individual, $generations - 1);
201
202                    return $this->viewResponse('lists/individuals-table', [
203                        'individuals' => $individuals,
204                        'sosa'        => false,
205                        'tree'        => $tree,
206                    ]);
207
208                case self::CHART_STYLE_FAMILIES:
209                    $families = $this->chart_service->descendantFamilies($individual, $generations - 1);
210
211                    return $this->viewResponse('lists/families-table', [
212                        'families' => $families,
213                        'tree'     => $tree,
214                    ]);
215            }
216        }
217
218        $ajax_url = $this->chartUrl($individual, [
219            'generations' => $generations,
220            'style'       => $style,
221            'ajax'        => true,
222        ]);
223
224        return $this->viewResponse('modules/descendancy_chart/page', [
225            'ajax_url'            => $ajax_url,
226            'style'               => $style,
227            'styles'              => $this->styles(),
228            'default_generations' => self::DEFAULT_GENERATIONS,
229            'generations'         => $generations,
230            'individual'          => $individual,
231            'maximum_generations' => self::MAXIMUM_GENERATIONS,
232            'minimum_generations' => self::MINIMUM_GENERATIONS,
233            'module'              => $this->name(),
234            'title'               => $this->chartTitle($individual),
235            'tree'                => $tree,
236        ]);
237    }
238
239    /**
240     * This chart can display its output in a number of styles
241     *
242     * @return array<string>
243     */
244    protected function styles(): array
245    {
246        return [
247            self::CHART_STYLE_TREE        => I18N::translate('Tree'),
248            self::CHART_STYLE_INDIVIDUALS => I18N::translate('Individuals'),
249            self::CHART_STYLE_FAMILIES    => I18N::translate('Families'),
250        ];
251    }
252}
253