xref: /webtrees/app/Module/AncestorsChartModule.php (revision 640069c383a0e7f9043a188577ed5750402c5c76) 
1<?php
2
3/**
4 * webtrees: online genealogy
5 * Copyright (C) 2021 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 Aura\Router\RouterContainer;
23use Fig\Http\Message\RequestMethodInterface;
24use Fisharebest\Webtrees\Auth;
25use Fisharebest\Webtrees\I18N;
26use Fisharebest\Webtrees\Individual;
27use Fisharebest\Webtrees\Menu;
28use Fisharebest\Webtrees\Registry;
29use Fisharebest\Webtrees\Services\ChartService;
30use Fisharebest\Webtrees\Validator;
31use Psr\Http\Message\ResponseInterface;
32use Psr\Http\Message\ServerRequestInterface;
33use Psr\Http\Server\RequestHandlerInterface;
34
35use function app;
36use function assert;
37use function route;
38
39/**
40 * Class AncestorsChartModule
41 */
42class AncestorsChartModule extends AbstractModule implements ModuleChartInterface, RequestHandlerInterface
43{
44    use ModuleChartTrait;
45
46    protected const ROUTE_URL = '/tree/{tree}/ancestors-{style}-{generations}/{xref}';
47
48    // Chart styles
49    public const CHART_STYLE_TREE        = 'tree';
50    public const CHART_STYLE_INDIVIDUALS = 'individuals';
51    public const CHART_STYLE_FAMILIES    = 'families';
52
53    // Defaults
54    protected const DEFAULT_GENERATIONS = '4';
55    protected const DEFAULT_STYLE       = self::CHART_STYLE_TREE;
56    protected const DEFAULT_PARAMETERS  = [
57        'generations' => self::DEFAULT_GENERATIONS,
58        'style'       => self::DEFAULT_STYLE,
59    ];
60
61    // Limits
62    protected const MINIMUM_GENERATIONS = 2;
63    protected const MAXIMUM_GENERATIONS = 10;
64
65    private ChartService $chart_service;
66
67    /**
68     * CompactTreeChartModule constructor.
69     *
70     * @param ChartService $chart_service
71     */
72    public function __construct(ChartService $chart_service)
73    {
74        $this->chart_service = $chart_service;
75    }
76
77    /**
78     * Initialization.
79     *
80     * @return void
81     */
82    public function boot(): void
83    {
84        Registry::routeFactory()->routeMap()
85            ->get(static::class, static::ROUTE_URL, $this)
86            ->allows(RequestMethodInterface::METHOD_POST)
87            ->tokens([
88                'generations' => '\d+',
89                'style'       => implode('|', array_keys($this->styles())),
90            ]);
91    }
92
93    /**
94     * How should this module be identified in the control panel, etc.?
95     *
96     * @return string
97     */
98    public function title(): string
99    {
100        /* I18N: Name of a module/chart */
101        return I18N::translate('Ancestors');
102    }
103
104    /**
105     * A sentence describing what this module does.
106     *
107     * @return string
108     */
109    public function description(): string
110    {
111        /* I18N: Description of the “AncestorsChart” module */
112        return I18N::translate('A chart of an individual’s ancestors.');
113    }
114
115    /**
116     * CSS class for the URL.
117     *
118     * @return string
119     */
120    public function chartMenuClass(): string
121    {
122        return 'menu-chart-ancestry';
123    }
124
125    /**
126     * Return a menu item for this chart - for use in individual boxes.
127     *
128     * @param Individual $individual
129     *
130     * @return Menu|null
131     */
132    public function chartBoxMenu(Individual $individual): ?Menu
133    {
134        return $this->chartMenu($individual);
135    }
136
137    /**
138     * The title for a specific instance of this chart.
139     *
140     * @param Individual $individual
141     *
142     * @return string
143     */
144    public function chartTitle(Individual $individual): string
145    {
146        /* I18N: %s is an individual’s name */
147        return I18N::translate('Ancestors of %s', $individual->fullName());
148    }
149
150    /**
151     * The URL for a page showing chart options.
152     *
153     * @param Individual                                $individual
154     * @param array<bool|int|string|array<string>|null> $parameters
155     *
156     * @return string
157     */
158    public function chartUrl(Individual $individual, array $parameters = []): string
159    {
160        return route(static::class, [
161                'xref' => $individual->xref(),
162                'tree' => $individual->tree()->name(),
163            ] + $parameters + self::DEFAULT_PARAMETERS);
164    }
165
166    /**
167     * @param ServerRequestInterface $request
168     *
169     * @return ResponseInterface
170     */
171    public function handle(ServerRequestInterface $request): ResponseInterface
172    {
173        $tree        = Validator::attributes($request)->tree();
174        $user        = Validator::attributes($request)->user();
175        $style       = Validator::attributes($request)->isInArrayKeys($this->styles())->string('style');
176        $xref        = Validator::attributes($request)->isXref()->string('xref');
177        $generations = Validator::attributes($request)->isBetween(self::MINIMUM_GENERATIONS, self::MAXIMUM_GENERATIONS)->integer('generations');
178        $ajax        = Validator::queryParams($request)->boolean('ajax', false);
179
180        // Convert POST requests into GET requests for pretty URLs.
181        if ($request->getMethod() === RequestMethodInterface::METHOD_POST) {
182            return redirect(route(static::class, [
183                'tree'        => $tree->name(),
184                'xref'        => Validator::parsedBody($request)->isXref()->string('xref'),
185                'style'       => Validator::parsedBody($request)->isInArrayKeys($this->styles())->string('style'),
186                'generations' => Validator::parsedBody($request)->isBetween(self::MINIMUM_GENERATIONS, self::MAXIMUM_GENERATIONS)->integer('generations'),
187            ]));
188        }
189
190        Auth::checkComponentAccess($this, ModuleChartInterface::class, $tree, $user);
191
192        $individual  = Registry::individualFactory()->make($xref, $tree);
193        $individual  = Auth::checkIndividualAccess($individual, false, true);
194
195        if ($ajax) {
196            $this->layout = 'layouts/ajax';
197
198            $ancestors = $this->chart_service->sosaStradonitzAncestors($individual, $generations);
199
200            switch ($style) {
201                default:
202                case self::CHART_STYLE_TREE:
203                    return $this->viewResponse('modules/ancestors-chart/tree', [
204                        'individual'  => $individual,
205                        'parents'     => $individual->childFamilies()->first(),
206                        'generations' => $generations,
207                        'sosa'        => 1,
208                    ]);
209
210                case self::CHART_STYLE_INDIVIDUALS:
211                    return $this->viewResponse('lists/individuals-table', [
212                        'individuals' => $ancestors,
213                        'sosa'        => true,
214                        'tree'        => $tree,
215                    ]);
216
217                case self::CHART_STYLE_FAMILIES:
218                    $families = [];
219
220                    foreach ($ancestors as $individual) {
221                        foreach ($individual->childFamilies() as $family) {
222                            $families[$family->xref()] = $family;
223                        }
224                    }
225
226                    return $this->viewResponse('lists/families-table', ['families' => $families, 'tree' => $tree]);
227            }
228        }
229
230        $ajax_url = $this->chartUrl($individual, [
231            'ajax'        => true,
232            'generations' => $generations,
233            'style'       => $style,
234            'xref'        => $xref,
235        ]);
236
237        return $this->viewResponse('modules/ancestors-chart/page', [
238            'ajax_url'            => $ajax_url,
239            'generations'         => $generations,
240            'individual'          => $individual,
241            'maximum_generations' => self::MAXIMUM_GENERATIONS,
242            'minimum_generations' => self::MINIMUM_GENERATIONS,
243            'module'              => $this->name(),
244            'style'               => $style,
245            'styles'              => $this->styles(),
246            'title'               => $this->chartTitle($individual),
247            'tree'                => $tree,
248        ]);
249    }
250
251    /**
252     * This chart can display its output in a number of styles
253     *
254     * @return array<string>
255     */
256    protected function styles(): array
257    {
258        return [
259            self::CHART_STYLE_TREE        => I18N::translate('Tree'),
260            self::CHART_STYLE_INDIVIDUALS => I18N::translate('Individuals'),
261            self::CHART_STYLE_FAMILIES    => I18N::translate('Families'),
262        ];
263    }
264}
265