GedcomLoad::__construct() - Code Metrics - Inspection of "Update for PHP 8.0" - fisharebest/webtrees - Measure and Improve Code Quality continuously with Scrutinizer

Passed

Push — dev ( 824cd4...d410ef )

by Greg

created 2022-02-22 10:13 UTC

GedcomLoad::__construct() A

↳ Parent: GedcomLoad

Complexity

Conditions	1
Paths	1

Size

Total Lines	8
Code Lines	3

Duplication

Lines	0
Ratio	0 %

Importance

Changes

Metric	Value
cc	1
eloc	3
nc	1
nop	3
dl	0
loc	8
rs	10
c	0
b	0
f	0

<?php

/**
 * webtrees: online genealogy
 * Copyright (C) 2021 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 <https://www.gnu.org/licenses/>.
 */

declare(strict_types=1);

namespace Fisharebest\Webtrees\Http\RequestHandlers;

use Exception;
use Fisharebest\Webtrees\Encodings\UTF8;
use Fisharebest\Webtrees\Exceptions\GedcomErrorException;
use Fisharebest\Webtrees\Http\ViewResponseTrait;
use Fisharebest\Webtrees\I18N;
use Fisharebest\Webtrees\Services\GedcomImportService;
use Fisharebest\Webtrees\Services\TimeoutService;
use Fisharebest\Webtrees\Services\TreeService;
use Fisharebest\Webtrees\Tree;
use Illuminate\Database\Capsule\Manager as DB;
use Illuminate\Database\DetectsConcurrencyErrors;
use Psr\Http\Message\ResponseInterface;
use Psr\Http\Message\ServerRequestInterface;
use Psr\Http\Server\RequestHandlerInterface;

use function assert;
use function preg_split;
use function response;
use function str_replace;
use function str_starts_with;
use function strlen;
use function substr;
use function view;

/**
 * Load a chunk of GEDCOM data.
 */
class GedcomLoad implements RequestHandlerInterface
{
    use ViewResponseTrait;
    use DetectsConcurrencyErrors;

    private GedcomImportService $gedcom_import_service;

    private TimeoutService $timeout_service;

    private TreeService $tree_service;

    /**
     * GedcomLoad constructor.
     *
     * @param GedcomImportService $gedcom_import_service
     * @param TimeoutService      $timeout_service
     * @param TreeService         $tree_service
     */
    public function __construct(
        GedcomImportService $gedcom_import_service,
        TimeoutService $timeout_service,
        TreeService $tree_service
    ) {
        $this->gedcom_import_service = $gedcom_import_service;
        $this->timeout_service       = $timeout_service;
        $this->tree_service          = $tree_service;
    }

    /**
     * @param ServerRequestInterface $request
     *
     * @return ResponseInterface
     */
    public function handle(ServerRequestInterface $request): ResponseInterface
    {
        $this->layout = 'layouts/ajax';

        $tree = $request->getAttribute('tree');
        assert($tree instanceof Tree);

        try {
            // What is the current import status?
            $import_offset = DB::table('gedcom_chunk')
                ->where('gedcom_id', '=', $tree->id())
                ->where('imported', '=', '1')
                ->count();

            $import_total = DB::table('gedcom_chunk')
                ->where('gedcom_id', '=', $tree->id())
                ->count();

            // Finished?
            if ($import_offset === $import_total) {
                $tree->setPreference('imported', '1');

                $html = view('admin/import-complete', ['tree' => $tree]);

                return response($html);
            }

            // Calculate progress so far
            $progress = $import_offset / $import_total;

            $first_time = $import_offset === 0;

            // Collect up any errors, and show them later.
            $errors = '';

            // Run for a short period of time. This keeps the resource requirements low.
            do {
                $data = DB::table('gedcom_chunk')
                    ->where('gedcom_id', '=', $tree->id())
                    ->where('imported', '=', '0')
                    ->orderBy('gedcom_chunk_id')
                    ->select(['gedcom_chunk_id', 'chunk_data'])
                    ->first();

                if ($data === null) {
                    break;
                }

                // Mark the chunk as imported.  This will create a row-lock, to prevent other
                // processes from reading it until we have finished.
                $n = DB::table('gedcom_chunk')
                    ->where('gedcom_chunk_id', '=', $data->gedcom_chunk_id)
                    ->where('imported', '=', '0')
                    ->update(['imported' => 1]);

                // Another process has already imported this data?
                if ($n === 0) {
                    break;
                }

                // If we are loading the first (header) record, then delete old data.
                if ($first_time) {
                    $this->tree_service->deleteGenealogyData($tree, (bool) $tree->getPreference('keep_media'));

                    // Remove any byte-order-mark
                    if (str_starts_with($data->chunk_data, UTF8::BYTE_ORDER_MARK)) {
                        $data->chunk_data = substr($data->chunk_data, strlen(UTF8::BYTE_ORDER_MARK));
                        DB::table('gedcom_chunk')
                            ->where('gedcom_chunk_id', '=', $data->gedcom_chunk_id)
                            ->update(['chunk_data' => $data->chunk_data]);
                    }

                    if (!str_starts_with($data->chunk_data, '0 HEAD')) {
                        return $this->viewResponse('admin/import-fail', [
                            'error' => I18N::translate('Invalid GEDCOM file - no header record found.'),
                            'tree'  => $tree,
                        ]);
                    }

                    $first_time = false;
                }

                $data->chunk_data = str_replace("\r", "\n", $data->chunk_data);

                // Import all the records in this chunk of data
                foreach (preg_split('/\n+(?=0)/', $data->chunk_data) as $rec) {
                    try {
                        $this->gedcom_import_service->importRecord($rec, $tree, false);
                    } catch (GedcomErrorException $exception) {
                        $errors .= $exception->getMessage();
                    }
                }

                // Do not need the data any more.
                DB::table('gedcom_chunk')
                    ->where('gedcom_chunk_id', '=', $data->gedcom_chunk_id)
                    ->update(['chunk_data' => '']);
            } while (!$this->timeout_service->isTimeLimitUp());

            return $this->viewResponse('admin/import-progress', [
                'errors'   => $errors,
                'progress' => $progress,
                'tree'     => $tree,
            ]);
        } catch (Exception $ex) {
            DB::connection()->rollBack();

            // Deadlock? Try again.
            if ($this->causedByConcurrencyError($ex)) {
                return $this->viewResponse('admin/import-progress', [
                    'errors'   => '',
                    'progress' => $progress ?? 0.0,
                    'tree'     => $tree,
                ]);
            }

            return $this->viewResponse('admin/import-fail', [
                'error' => $ex->getMessage(),
                'tree'  => $tree,
            ]);
        }
    }
}


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
18			declare(strict_types=1);
19
20			namespace Fisharebest\Webtrees\Http\RequestHandlers;
21
22			use Exception;
23			use Fisharebest\Webtrees\Encodings\UTF8;
24			use Fisharebest\Webtrees\Exceptions\GedcomErrorException;
25			use Fisharebest\Webtrees\Http\ViewResponseTrait;
26			use Fisharebest\Webtrees\I18N;
27			use Fisharebest\Webtrees\Services\GedcomImportService;
28			use Fisharebest\Webtrees\Services\TimeoutService;
29			use Fisharebest\Webtrees\Services\TreeService;
30			use Fisharebest\Webtrees\Tree;
31			use Illuminate\Database\Capsule\Manager as DB;
32			use Illuminate\Database\DetectsConcurrencyErrors;
33			use Psr\Http\Message\ResponseInterface;
34			use Psr\Http\Message\ServerRequestInterface;
35			use Psr\Http\Server\RequestHandlerInterface;
36
37			use function assert;
38			use function preg_split;
39			use function response;
40			use function str_replace;
41			use function str_starts_with;
42			use function strlen;
43			use function substr;
44			use function view;
45
46			/**
47			* Load a chunk of GEDCOM data.
48			*/
49			class GedcomLoad implements RequestHandlerInterface
50			{
51			use ViewResponseTrait;
52			use DetectsConcurrencyErrors;
53
54			private GedcomImportService $gedcom_import_service;
55
56			private TimeoutService $timeout_service;
57
58			private TreeService $tree_service;
59
60			/**
61			* GedcomLoad constructor.
62			*
63			* @param GedcomImportService $gedcom_import_service
64			* @param TimeoutService $timeout_service
65			* @param TreeService $tree_service
66			*/
67			public function __construct(
68			GedcomImportService $gedcom_import_service,
69			TimeoutService $timeout_service,
70			TreeService $tree_service
71			) {
72			$this->gedcom_import_service = $gedcom_import_service;
73			$this->timeout_service = $timeout_service;
74			$this->tree_service = $tree_service;
75			}
76
77			/**
78			* @param ServerRequestInterface $request
79			*
80			* @return ResponseInterface
81			*/
82			public function handle(ServerRequestInterface $request): ResponseInterface
83			{
84			$this->layout = 'layouts/ajax';
85
86			$tree = $request->getAttribute('tree');
87			assert($tree instanceof Tree);
88
89			try {
90			// What is the current import status?
91			$import_offset = DB::table('gedcom_chunk')
92			->where('gedcom_id', '=', $tree->id())
93			->where('imported', '=', '1')
94			->count();
95
96			$import_total = DB::table('gedcom_chunk')
97			->where('gedcom_id', '=', $tree->id())
98			->count();
99
100			// Finished?
101			if ($import_offset === $import_total) {
102			$tree->setPreference('imported', '1');
103
104			$html = view('admin/import-complete', ['tree' => $tree]);
105
106			return response($html);
107			}
108
109			// Calculate progress so far
110			$progress = $import_offset / $import_total;
111
112			$first_time = $import_offset === 0;
113
114			// Collect up any errors, and show them later.
115			$errors = '';
116
117			// Run for a short period of time. This keeps the resource requirements low.
118			do {
119			$data = DB::table('gedcom_chunk')
120			->where('gedcom_id', '=', $tree->id())
121			->where('imported', '=', '0')
122			->orderBy('gedcom_chunk_id')
123			->select(['gedcom_chunk_id', 'chunk_data'])
124			->first();
125
126			if ($data === null) {
127			break;
128			}
129
130			// Mark the chunk as imported. This will create a row-lock, to prevent other
131			// processes from reading it until we have finished.
132			$n = DB::table('gedcom_chunk')
133			->where('gedcom_chunk_id', '=', $data->gedcom_chunk_id)
134			->where('imported', '=', '0')
135			->update(['imported' => 1]);
136
137			// Another process has already imported this data?
138			if ($n === 0) {
139			break;
140			}
141
142			// If we are loading the first (header) record, then delete old data.
143			if ($first_time) {
144			$this->tree_service->deleteGenealogyData($tree, (bool) $tree->getPreference('keep_media'));
145
146			// Remove any byte-order-mark
147			if (str_starts_with($data->chunk_data, UTF8::BYTE_ORDER_MARK)) {
148			$data->chunk_data = substr($data->chunk_data, strlen(UTF8::BYTE_ORDER_MARK));
149			DB::table('gedcom_chunk')
150			->where('gedcom_chunk_id', '=', $data->gedcom_chunk_id)
151			->update(['chunk_data' => $data->chunk_data]);
152			}
153
154			if (!str_starts_with($data->chunk_data, '0 HEAD')) {
155			return $this->viewResponse('admin/import-fail', [
156			'error' => I18N::translate('Invalid GEDCOM file - no header record found.'),
157			'tree' => $tree,
158			]);
159			}
160
161			$first_time = false;
162			}
163
164			$data->chunk_data = str_replace("\r", "\n", $data->chunk_data);
165
166			// Import all the records in this chunk of data
167			foreach (preg_split('/\n+(?=0)/', $data->chunk_data) as $rec) {
168			try {
169			$this->gedcom_import_service->importRecord($rec, $tree, false);
170			} catch (GedcomErrorException $exception) {
171			$errors .= $exception->getMessage();
172			}
173			}
174
175			// Do not need the data any more.
176			DB::table('gedcom_chunk')
177			->where('gedcom_chunk_id', '=', $data->gedcom_chunk_id)
178			->update(['chunk_data' => '']);
179			} while (!$this->timeout_service->isTimeLimitUp());
180
181			return $this->viewResponse('admin/import-progress', [
182			'errors' => $errors,
183			'progress' => $progress,
184			'tree' => $tree,
185			]);
186			} catch (Exception $ex) {
187			DB::connection()->rollBack();
188
189			// Deadlock? Try again.
190			if ($this->causedByConcurrencyError($ex)) {
191			return $this->viewResponse('admin/import-progress', [
192			'errors' => '',
193			'progress' => $progress ?? 0.0,
194			'tree' => $tree,
195			]);
196			}
197
198			return $this->viewResponse('admin/import-fail', [
199			'error' => $ex->getMessage(),
200			'tree' => $tree,
201			]);
202			}
203			}
204			}
205

fisharebest / webtrees

Push — dev ( 824cd4...d410ef )

GedcomLoad::__construct() A

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