xref: /webtrees/app/Module/GoogleAnalyticsModule.php (revision d9efec4aaa9aefd6a527c75c15e437b9a1a6604c) 
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 Fisharebest\Webtrees\Auth;
23use Fisharebest\Webtrees\I18N;
24use Fisharebest\Webtrees\Tree;
25use Fisharebest\Webtrees\Validator;
26use Psr\Http\Message\ServerRequestInterface;
27
28use function assert;
29
30/**
31 * Class GoogleAnalyticsModule - add support for Google analytics.
32 */
33class GoogleAnalyticsModule extends AbstractModule implements ModuleAnalyticsInterface, ModuleConfigInterface, ModuleExternalUrlInterface, ModuleGlobalInterface
34{
35    use ModuleAnalyticsTrait;
36    use ModuleConfigTrait;
37    use ModuleExternalUrlTrait;
38    use ModuleGlobalTrait;
39
40    /**
41     * How should this module be identified in the control panel, etc.?
42     *
43     * @return string
44     */
45    public function title(): string
46    {
47        return I18N::translate('Google™ analytics');
48    }
49
50    /**
51     * Should this module be enabled when it is first installed?
52     *
53     * @return bool
54     */
55    public function isEnabledByDefault(): bool
56    {
57        return false;
58    }
59
60    /**
61     * Form fields to edit the parameters.
62     *
63     * @return string
64     */
65    public function analyticsFormFields(): string
66    {
67        return view('modules/google-analytics/form', $this->analyticsParameters());
68    }
69
70    /**
71     * Home page for the service.
72     *
73     * @return string
74     */
75    public function externalUrl(): string
76    {
77        return 'https://www.google.com/analytics';
78    }
79
80    /**
81     * The parameters that need to be embedded in the snippet.
82     *
83     * @return array<string>
84     */
85    public function analyticsParameters(): array
86    {
87        return [
88            'GOOGLE_ANALYTICS_ID' => $this->getPreference('GOOGLE_ANALYTICS_ID'),
89        ];
90    }
91
92    /**
93     * Embed placeholders in the snippet.
94     *
95     * @param array<string> $parameters
96     *
97     * @return string
98     */
99    public function analyticsSnippet(array $parameters): string
100    {
101        $request = app(ServerRequestInterface::class);
102        assert($request instanceof ServerRequestInterface);
103
104        // Add extra dimensions (i.e. filtering categories)
105        $tree = Validator::attributes($request)->treeOptional();
106        $user = Validator::attributes($request)->user();
107
108        $parameters['dimensions'] = (object) [
109            'dimension1' => $tree instanceof Tree ? $tree->name() : '-',
110            'dimension2' => $tree instanceof Tree ? Auth::accessLevel($tree, $user) : '-',
111        ];
112
113        return view('modules/google-analytics/snippet', $parameters);
114    }
115
116    /**
117     * Raw content, to be added at the end of the <head> element.
118     * Typically, this will be <link> and <meta> elements.
119     *
120     * @return string
121     */
122    public function headContent(): string
123    {
124        if ($this->analyticsCanShow()) {
125            return $this->analyticsSnippet($this->analyticsParameters());
126        }
127
128        return '';
129    }
130}
131