xref: /webtrees/app/Module/HourglassChartModule.php (revision 110d87e5cc3161866682d0a932d11474cfbcad7f)
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\Family;
26use Fisharebest\Webtrees\I18N;
27use Fisharebest\Webtrees\Individual;
28use Fisharebest\Webtrees\Menu;
29use Fisharebest\Webtrees\Registry;
30use Fisharebest\Webtrees\Validator;
31use Illuminate\Support\Collection;
32use Psr\Http\Message\ResponseInterface;
33use Psr\Http\Message\ServerRequestInterface;
34use Psr\Http\Server\RequestHandlerInterface;
35
36use function app;
37use function assert;
38use function response;
39use function view;
40
41/**
42 * Class HourglassChartModule
43 */
44class HourglassChartModule extends AbstractModule implements ModuleChartInterface, RequestHandlerInterface
45{
46    use ModuleChartTrait;
47
48    protected const ROUTE_URL = '/tree/{tree}/hourglass-{generations}-{spouses}/{xref}';
49
50    // Defaults
51    private const   DEFAULT_GENERATIONS = '3';
52    private const   DEFAULT_SPOUSES     = false;
53    protected const DEFAULT_PARAMETERS  = [
54        'generations' => self::DEFAULT_GENERATIONS,
55        'spouses'     => self::DEFAULT_SPOUSES,
56    ];
57
58    // Limits
59    protected const MINIMUM_GENERATIONS = 2;
60    protected const MAXIMUM_GENERATIONS = 10;
61
62    /**
63     * Initialization.
64     *
65     * @return void
66     */
67    public function boot(): void
68    {
69        $router_container = app(RouterContainer::class);
70        assert($router_container instanceof RouterContainer);
71
72        $router_container->getMap()
73            ->get(static::class, static::ROUTE_URL, $this)
74            ->allows(RequestMethodInterface::METHOD_POST)
75            ->tokens([
76                'generations' => '\d+',
77                'spouses'     => '1?',
78            ]);
79    }
80
81    /**
82     * How should this module be identified in the control panel, etc.?
83     *
84     * @return string
85     */
86    public function title(): string
87    {
88        /* I18N: Name of a module/chart */
89        return I18N::translate('Hourglass chart');
90    }
91
92    /**
93     * A sentence describing what this module does.
94     *
95     * @return string
96     */
97    public function description(): string
98    {
99        /* I18N: Description of the “HourglassChart” module */
100        return I18N::translate('An hourglass chart of an individual’s ancestors and descendants.');
101    }
102
103    /**
104     * CSS class for the URL.
105     *
106     * @return string
107     */
108    public function chartMenuClass(): string
109    {
110        return 'menu-chart-hourglass';
111    }
112
113    /**
114     * Return a menu item for this chart - for use in individual boxes.
115     *
116     * @param Individual $individual
117     *
118     * @return Menu|null
119     */
120    public function chartBoxMenu(Individual $individual): ?Menu
121    {
122        return $this->chartMenu($individual);
123    }
124
125    /**
126     * The title for a specific instance of this chart.
127     *
128     * @param Individual $individual
129     *
130     * @return string
131     */
132    public function chartTitle(Individual $individual): string
133    {
134        /* I18N: %s is an individual’s name */
135        return I18N::translate('Hourglass chart of %s', $individual->fullName());
136    }
137
138    /**
139     * The URL for a page showing chart options.
140     *
141     * @param Individual                                $individual
142     * @param array<bool|int|string|array<string>|null> $parameters
143     *
144     * @return string
145     */
146    public function chartUrl(Individual $individual, array $parameters = []): string
147    {
148        return route(static::class, [
149                'xref' => $individual->xref(),
150                'tree' => $individual->tree()->name(),
151            ] + $parameters + self::DEFAULT_PARAMETERS);
152    }
153
154    /**
155     * @param ServerRequestInterface $request
156     *
157     * @return ResponseInterface
158     */
159    public function handle(ServerRequestInterface $request): ResponseInterface
160    {
161        $tree        = Validator::attributes($request)->tree();
162        $xref        = Validator::attributes($request)->isXref()->string('xref');
163        $user        = Validator::attributes($request)->user();
164        $generations = Validator::attributes($request)->isBetween(self::MINIMUM_GENERATIONS, self::MAXIMUM_GENERATIONS)->integer('generations');
165        $spouses     = Validator::attributes($request)->boolean('spouses');
166        $ajax        = Validator::queryParams($request)->boolean('ajax', false);
167
168        // Convert POST requests into GET requests for pretty URLs.
169        if ($request->getMethod() === RequestMethodInterface::METHOD_POST) {
170            return redirect(route(static::class, [
171                'tree'        => $tree->name(),
172                'xref'        => Validator::parsedBody($request)->string('xref', ''),
173                'generations' => Validator::parsedBody($request)->string('generations', ''),
174                'spouses'     => Validator::parsedBody($request)->string('spouses', ''),
175            ]));
176        }
177
178        Auth::checkComponentAccess($this, ModuleChartInterface::class, $tree, $user);
179
180        $individual  = Registry::individualFactory()->make($xref, $tree);
181        $individual  = Auth::checkIndividualAccess($individual, false, true);
182
183        if ($ajax) {
184            $this->layout = 'layouts/ajax';
185
186            return $this->viewResponse('modules/hourglass-chart/chart', [
187                'generations' => $generations,
188                'individual'  => $individual,
189                'spouses'     => $spouses,
190            ]);
191        }
192
193        $ajax_url = $this->chartUrl($individual, [
194            'ajax'        => true,
195            'generations' => $generations,
196            'spouses'     => $spouses,
197        ]);
198
199        return $this->viewResponse('modules/hourglass-chart/page', [
200            'ajax_url'            => $ajax_url,
201            'generations'         => $generations,
202            'individual'          => $individual,
203            'maximum_generations' => self::MAXIMUM_GENERATIONS,
204            'minimum_generations' => self::MINIMUM_GENERATIONS,
205            'module'              => $this->name(),
206            'spouses'             => $spouses,
207            'title'               => $this->chartTitle($individual),
208            'tree'                => $tree,
209        ]);
210    }
211
212    /**
213     * Generate an extension to the chart
214     *
215     * @param ServerRequestInterface $request
216     *
217     * @return ResponseInterface
218     */
219    public function getAncestorsAction(ServerRequestInterface $request): ResponseInterface
220    {
221        $tree = Validator::attributes($request)->tree();
222
223        $xref = $request->getQueryParams()['xref'] ?? '';
224
225        $family = Registry::familyFactory()->make($xref, $tree);
226        $family = Auth::checkFamilyAccess($family);
227
228        return response(view('modules/hourglass-chart/parents', [
229            'family'      => $family,
230            'generations' => 1,
231        ]));
232    }
233
234    /**
235     * Generate an extension to the chart
236     *
237     * @param ServerRequestInterface $request
238     *
239     * @return ResponseInterface
240     */
241    public function getDescendantsAction(ServerRequestInterface $request): ResponseInterface
242    {
243        $tree = Validator::attributes($request)->tree();
244
245        $xref = $request->getQueryParams()['xref'] ?? '';
246
247        $spouses    = (bool) ($request->getQueryParams()['spouses'] ?? false);
248        $individual = Registry::individualFactory()->make($xref, $tree);
249        $individual = Auth::checkIndividualAccess($individual, false, true);
250
251        $children = $individual->spouseFamilies()->map(static function (Family $family): Collection {
252            return $family->children();
253        })->flatten();
254
255        return response(view('modules/hourglass-chart/children', [
256            'children'    => $children,
257            'generations' => 1,
258            'spouses'     => $spouses,
259        ]));
260    }
261}
262