Media::lock() - Code Metrics - Inspection of "Fix: #3611 - add row-locks to prevent concurrent e..." - fisharebest/webtrees - Measure and Improve Code Quality continuously with Scrutinizer

Completed

Push — master ( 8b2d6d...8091bf )

by Greg

created 2021-01-06 09:12 UTC

Media::lock() A

↳ Parent: Media

Complexity

Conditions	1
Paths	1

Size

Total Lines	7
Code Lines	5

Duplication

Lines	0
Ratio	0 %

Importance

Changes

Metric	Value
cc	1
eloc	5
nc	1
nop	0
dl	0
loc	7
rs	10
c	0
b	0
f	0

<?php

/**
 * webtrees: online genealogy
 * Copyright (C) 2020 webtrees development team
 * This program is free software: you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation, either version 3 of the License, or
 * (at your option) any later version.
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
 * GNU General Public License for more details.
 * You should have received a copy of the GNU General Public License
 * along with this program. If not, see <http://www.gnu.org/licenses/>.
 */

declare(strict_types=1);

namespace Fisharebest\Webtrees;

use Closure;
use Fisharebest\Webtrees\Functions\FunctionsPrintFacts;
use Fisharebest\Webtrees\Http\RequestHandlers\MediaPage;
use Illuminate\Database\Capsule\Manager as DB;
use Illuminate\Support\Collection;

/**
 * A GEDCOM media (OBJE) object.
 */
class Media extends GedcomRecord
{
    public const RECORD_TYPE = 'OBJE';

    protected const ROUTE_NAME = MediaPage::class;

    /**
     * A closure which will create a record from a database row.
     *
     * @deprecated since 2.0.4.  Will be removed in 2.1.0 - Use Factory::media()
     *
     * @param Tree $tree
     *
     * @return Closure
     */
    public static function rowMapper(Tree $tree): Closure
    {
        return Registry::mediaFactory()->mapper($tree);
    }

    /**
     * Get an instance of a media object. For single records,
     * we just receive the XREF. For bulk records (such as lists
     * and search results) we can receive the GEDCOM data as well.
     *
     * @deprecated since 2.0.4.  Will be removed in 2.1.0 - Use Factory::media()
     *
     * @param string      $xref
     * @param Tree        $tree
     * @param string|null $gedcom
     *
     * @return Media|null
     */
    public static function getInstance(string $xref, Tree $tree, string $gedcom = null): ?Media
    {
        return Registry::mediaFactory()->make($xref, $tree, $gedcom);
    }

    /**
     * Each object type may have its own special rules, and re-implement this function.
     *
     * @param int $access_level
     *
     * @return bool
     */
    protected function canShowByType(int $access_level): bool
    {
        // Hide media objects if they are attached to private records
        $linked_ids = DB::table('link')
            ->where('l_file', '=', $this->tree->id())
            ->where('l_to', '=', $this->xref)
            ->pluck('l_from');

        foreach ($linked_ids as $linked_id) {
            $linked_record = Registry::gedcomRecordFactory()->make($linked_id, $this->tree);
            if ($linked_record instanceof GedcomRecord && !$linked_record->canShow($access_level)) {
                return false;
            }
        }

        // ... otherwise apply default behavior
        return parent::canShowByType($access_level);
    }

    /**
     * Get the media files for this media object
     *
     * @return Collection<MediaFile>
     */
    public function mediaFiles(): Collection
    {
        return $this->facts(['FILE'])
            ->map(function (Fact $fact): MediaFile {
                return new MediaFile($fact->gedcom(), $this);
            });
    }

    /**
     * Get the first media file that contains an image.
     *
     * @return MediaFile|null
     */
    public function firstImageFile(): ?MediaFile
    {
        return $this->mediaFiles()
            ->first(static function (MediaFile $media_file): bool {
                return $media_file->isImage() && !$media_file->isExternal();
            });
    }

    /**
     * Get the first note attached to this media object
     *
     * @return string
     */
    public function getNote(): string
    {
        $fact = $this->facts(['NOTE'])->first();

        if ($fact instanceof Fact) {
            // Link to note object
            $note = $fact->target();
            if ($note instanceof Note) {
                return $note->getNote();
            }

            // Inline note
            return $fact->value();
        }

        return '';
    }

    /**
     * Extract names from the GEDCOM record.
     *
     * @return void
     */
    public function extractNames(): void
    {
        $names = [];
        foreach ($this->mediaFiles() as $media_file) {
            $names[] = $media_file->title();
        }
        foreach ($this->mediaFiles() as $media_file) {
            $names[] = $media_file->filename();
        }
        $names = array_filter(array_unique($names));

        if ($names === []) {
            $names[] = $this->getFallBackName();
        }

        foreach ($names as $name) {
            $this->addName(static::RECORD_TYPE, $name, '');
        }
    }

    /**
     * This function should be redefined in derived classes to show any major
     * identifying characteristics of this record.
     *
     * @return string
     */
    public function formatListDetails(): string
    {
        ob_start();
        FunctionsPrintFacts::printMediaLinks($this->tree(), '1 OBJE @' . $this->xref() . '@', 1);

        return ob_get_clean();
    }

    /**
     * Display an image-thumbnail or a media-icon, and add markup for image viewers such as colorbox.
     *
     * @param int      $width      Pixels
     * @param int      $height     Pixels
     * @param string   $fit        "crop" or "contain"
     * @param string[] $attributes Additional HTML attributes
     *
     * @return string
     */
    public function displayImage($width, $height, $fit, $attributes = []): string
    {
        // Display the first image
        foreach ($this->mediaFiles() as $media_file) {
            if ($media_file->isImage()) {
                return $media_file->displayImage($width, $height, $fit, $attributes);
            }
        }

        // Display the first file of any type
        $media_file = $this->mediaFiles()->first();

        if ($media_file instanceof MediaFile) {
            return $media_file->displayImage($width, $height, $fit, $attributes);
        }

        // No image?
        return '';
    }

    /**
     * Lock the database row, to prevent concurrent edits.
     */
    public function lock(): void
    {
        DB::table('media')
            ->where('m_file', '=', $this->tree->id())
            ->where('m_id', '=', $this->xref())
            ->lockForUpdate()
            ->get();
    }
}


1			<?php
2
3			/**
4			* webtrees: online genealogy
5			* Copyright (C) 2020 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
18			declare(strict_types=1);
19
20			namespace Fisharebest\Webtrees;
21
22			use Closure;
23			use Fisharebest\Webtrees\Functions\FunctionsPrintFacts;
24			use Fisharebest\Webtrees\Http\RequestHandlers\MediaPage;
25			use Illuminate\Database\Capsule\Manager as DB;
26			use Illuminate\Support\Collection;
27
28			/**
29			* A GEDCOM media (OBJE) object.
30			*/
31			class Media extends GedcomRecord
32			{
33			public const RECORD_TYPE = 'OBJE';
34
35			protected const ROUTE_NAME = MediaPage::class;
36
37			/**
38			* A closure which will create a record from a database row.
39			*
40			* @deprecated since 2.0.4. Will be removed in 2.1.0 - Use Factory::media()
41			*
42			* @param Tree $tree
43			*
44			* @return Closure
45			*/
46			public static function rowMapper(Tree $tree): Closure
47			{
48			return Registry::mediaFactory()->mapper($tree);
49			}
50
51			/**
52			* Get an instance of a media object. For single records,
53			* we just receive the XREF. For bulk records (such as lists
54			* and search results) we can receive the GEDCOM data as well.
55			*
56			* @deprecated since 2.0.4. Will be removed in 2.1.0 - Use Factory::media()
57			*
58			* @param string $xref
59			* @param Tree $tree
60			* @param string\|null $gedcom
61			*
62			* @return Media\|null
63			*/
64			public static function getInstance(string $xref, Tree $tree, string $gedcom = null): ?Media
65			{
66			return Registry::mediaFactory()->make($xref, $tree, $gedcom);
67			}
68
69			/**
70			* Each object type may have its own special rules, and re-implement this function.
71			*
72			* @param int $access_level
73			*
74			* @return bool
75			*/
76			protected function canShowByType(int $access_level): bool
77			{
78			// Hide media objects if they are attached to private records
79			$linked_ids = DB::table('link')
80			->where('l_file', '=', $this->tree->id())
81			->where('l_to', '=', $this->xref)
82			->pluck('l_from');
83
84			foreach ($linked_ids as $linked_id) {
85			$linked_record = Registry::gedcomRecordFactory()->make($linked_id, $this->tree);
86			if ($linked_record instanceof GedcomRecord && !$linked_record->canShow($access_level)) {
87			return false;
88			}
89			}
90
91			// ... otherwise apply default behavior
92			return parent::canShowByType($access_level);
93			}
94
95			/**
96			* Get the media files for this media object
97			*
98			* @return Collection<MediaFile>
99			*/
100			public function mediaFiles(): Collection
101			{
102			return $this->facts(['FILE'])
103			->map(function (Fact $fact): MediaFile {
104			return new MediaFile($fact->gedcom(), $this);
105			});
106			}
107
108			/**
109			* Get the first media file that contains an image.
110			*
111			* @return MediaFile\|null
112			*/
113			public function firstImageFile(): ?MediaFile
114			{
115			return $this->mediaFiles()
116			->first(static function (MediaFile $media_file): bool {
117			return $media_file->isImage() && !$media_file->isExternal();
118			});
119			}
120
121			/**
122			* Get the first note attached to this media object
123			*
124			* @return string
125			*/
126			public function getNote(): string
127			{
128			$fact = $this->facts(['NOTE'])->first();
129
130			if ($fact instanceof Fact) {
131			// Link to note object
132			$note = $fact->target();
133			if ($note instanceof Note) {
134			return $note->getNote();
135			}
136
137			// Inline note
138			return $fact->value();
139			}
140
141			return '';
142			}
143
144			/**
145			* Extract names from the GEDCOM record.
146			*
147			* @return void
148			*/
149			public function extractNames(): void
150			{
151			$names = [];
152			foreach ($this->mediaFiles() as $media_file) {
153			$names[] = $media_file->title();
154			}
155			foreach ($this->mediaFiles() as $media_file) {
156			$names[] = $media_file->filename();
157			}
158			$names = array_filter(array_unique($names));
159
160			if ($names === []) {
161			$names[] = $this->getFallBackName();
162			}
163
164			foreach ($names as $name) {
165			$this->addName(static::RECORD_TYPE, $name, '');
166			}
167			}
168
169			/**
170			* This function should be redefined in derived classes to show any major
171			* identifying characteristics of this record.
172			*
173			* @return string
174			*/
175			public function formatListDetails(): string
176			{
177			ob_start();
178			FunctionsPrintFacts::printMediaLinks($this->tree(), '1 OBJE @' . $this->xref() . '@', 1);
179
180			return ob_get_clean();
181			}
182
183			/**
184			* Display an image-thumbnail or a media-icon, and add markup for image viewers such as colorbox.
185			*
186			* @param int $width Pixels
187			* @param int $height Pixels
188			* @param string $fit "crop" or "contain"
189			* @param string[] $attributes Additional HTML attributes
190			*
191			* @return string
192			*/
193			public function displayImage($width, $height, $fit, $attributes = []): string
194			{
195			// Display the first image
196			foreach ($this->mediaFiles() as $media_file) {
197			if ($media_file->isImage()) {
198			return $media_file->displayImage($width, $height, $fit, $attributes);
199			}
200			}
201
202			// Display the first file of any type
203			$media_file = $this->mediaFiles()->first();
204
205			if ($media_file instanceof MediaFile) {
206			return $media_file->displayImage($width, $height, $fit, $attributes);
207			}
208
209			// No image?
210			return '';
211			}
212
213			/**
214			* Lock the database row, to prevent concurrent edits.
215			*/
216			public function lock(): void
217			{
218			DB::table('media')
219			->where('m_file', '=', $this->tree->id())
220			->where('m_id', '=', $this->xref())
221			->lockForUpdate()
222			->get();
223			}
224			}
225

fisharebest / webtrees

Push — master ( 8b2d6d...8091bf )

Media::lock() A

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