65 lines
2.1 KiB
PHP
65 lines
2.1 KiB
PHP
<?php
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namespace App\Services;
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use App\User;
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use Illuminate\Support\Facades\DB;
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use League\Csv\Writer;
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class CheckinCsvExporter
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{
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/** @var User Target user */
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private $user;
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/** @var string Output filename */
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private $filename;
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/** @var string Output charset */
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private $charset;
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public function __construct(User $user, string $filename, string $charset)
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{
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$this->user = $user;
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$this->filename = $filename;
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$this->charset = $charset;
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}
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public function execute()
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{
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$csv = Writer::createFromPath($this->filename, 'wb');
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$csv->setNewline("\r\n");
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if ($this->charset === 'SJIS-win') {
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$csv->addStreamFilter('convert.mbstring.encoding.UTF-8:SJIS-win');
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}
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$header = ['日時', 'ノート', 'オカズリンク', '非公開', 'センシティブ'];
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for ($i = 1; $i <= 32; $i++) {
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$header[] = "タグ{$i}";
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}
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$csv->insertOne($header);
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DB::transaction(function () use ($csv) {
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// TODO: そんなに読み取り整合性を保つ努力はしていないのと、chunkの件数これでいいか分からない
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$this->user->ejaculations()->with('tags')->orderBy('ejaculated_date')
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->chunk(1000, function ($ejaculations) use ($csv) {
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foreach ($ejaculations as $ejaculation) {
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$record = [
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$ejaculation->ejaculated_date->format('Y/m/d H:i'),
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$ejaculation->note,
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$ejaculation->link,
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self::formatBoolean($ejaculation->is_private),
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self::formatBoolean($ejaculation->is_too_sensitive),
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];
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foreach ($ejaculation->tags->take(32) as $tag) {
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$record[] = $tag->name;
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}
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$csv->insertOne($record);
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}
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});
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});
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}
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private static function formatBoolean($value): string
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{
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return $value ? 'true' : 'false';
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}
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}
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