xref: /webtrees/app/Module/GoogleAnalyticsModule.php (revision 00b1984e374faddab4698e73088f0c964e529b65) 
1<?php
2
3/**
4 * webtrees: online genealogy
5 * Copyright (C) 2019 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 <http://www.gnu.org/licenses/>.
16 */
17
18declare(strict_types=1);
19
20namespace Fisharebest\Webtrees\Module;
21
22use Fisharebest\Webtrees\Auth;
23use Fisharebest\Webtrees\Tree;
24use Psr\Http\Message\ServerRequestInterface;
25
26/**
27 * Class GoogleAnalyticsModule - add support for Google analytics.
28 */
29class GoogleAnalyticsModule extends AbstractModule implements ModuleAnalyticsInterface, ModuleConfigInterface, ModuleExternalUrlInterface, ModuleGlobalInterface
30{
31    use ModuleAnalyticsTrait;
32    use ModuleConfigTrait;
33    use ModuleExternalUrlTrait;
34    use ModuleGlobalTrait;
35
36    /**
37     * How should this module be identified in the control panel, etc.?
38     *
39     * @return string
40     */
41    public function title(): string
42    {
43        return 'Google™ analytics';
44    }
45
46    /**
47     * Should this module be enabled when it is first installed?
48     *
49     * @return bool
50     */
51    public function isEnabledByDefault(): bool
52    {
53        return false;
54    }
55
56    /**
57     * Form fields to edit the parameters.
58     *
59     * @return string
60     */
61    public function analyticsFormFields(): string
62    {
63        return view('modules/google-analytics/form', $this->analyticsParameters());
64    }
65
66    /**
67     * Home page for the service.
68     *
69     * @return string
70     */
71    public function externalUrl(): string
72    {
73        return 'https://www.google.com/analytics';
74    }
75
76    /**
77     * The parameters that need to be embedded in the snippet.
78     *
79     * @return string[]
80     */
81    public function analyticsParameters(): array
82    {
83        return [
84            'GOOGLE_ANALYTICS_ID' => $this->getPreference('GOOGLE_ANALYTICS_ID'),
85        ];
86    }
87
88    /**
89     * Embed placeholders in the snippet.
90     *
91     * @param string[] $parameters
92     *
93     * @return string
94     */
95    public function analyticsSnippet(array $parameters): string
96    {
97        $request = app(ServerRequestInterface::class);
98
99        // Add extra dimensions (i.e. filtering categories)
100        $tree = $request->getAttribute('tree');
101        $user = $request->getAttribute('user');
102
103        $parameters['dimensions'] = (object) [
104            'dimension1' => $tree instanceof Tree ? $tree->name() : '-',
105            'dimension2' => $tree instanceof Tree ? Auth::accessLevel($tree, $user) : '-',
106        ];
107
108        return view('modules/google-analytics/snippet', $parameters);
109    }
110
111    /**
112     * Raw content, to be added at the end of the <head> element.
113     * Typically, this will be <link> and <meta> elements.
114     *
115     * @return string
116     */
117    public function headContent(): string
118    {
119        if ($this->analyticsCanShow()) {
120            return $this->analyticsSnippet($this->analyticsParameters());
121        }
122
123        return '';
124    }
125}
126