文字コード判定と必須列のチェックまで

2020-02-04 01:44:16 +09:00
parent b2eed9a9c5
commit 38ae540009
6 changed files with 146 additions and 0 deletions
--- a/app/Io/CheckinCsvImporter.php
+++ b/app/Io/CheckinCsvImporter.php
@@ -0,0 +1,76 @@
+<?php
+
+namespace App\Io;
+
+use App\Ejaculation;
+use App\Exceptions\CsvImportException;
+use Carbon\Carbon;
+use Illuminate\Support\Facades\DB;
+use League\Csv\Reader;
+
+class CheckinCsvImporter
+{
+    /** @var string CSV filename */
+    private $filename;
+
+    public function __construct(string $filename)
+    {
+        $this->filename = $filename;
+    }
+
+    public function execute()
+    {
+        // Guess charset
+        $head = file_get_contents($this->filename, false, null, 0, 1024);
+        $charset = mb_detect_encoding($head, ['ASCII', 'UTF-8', 'SJIS-win'], true);
+        if (array_search($charset, ['UTF-8', 'SJIS-win'], true) === false) {
+            throw new CsvImportException(['文字コード判定に失敗しました。UTF-8 (BOM無し) または Shift_JIS をお使いください。']);
+        }
+
+        // Open CSV
+        $csv = Reader::createFromPath($this->filename, 'r');
+        $csv->setHeaderOffset(0);
+        if ($charset === 'SJIS-win') {
+            $csv->addStreamFilter('convert.mbstring.encoding.SJIS-win:UTF-8');
+        }
+
+        // Import
+        DB::transaction(function () use ($csv) {
+            $errors = [];
+
+            if (!in_array('日時', $csv->getHeader(), true)) {
+                $errors[] = '日時列は必須です。';
+                throw new CsvImportException($errors);
+            }
+
+            foreach ($csv->getRecords() as $offset => $record) {
+                $ejaculation = new Ejaculation();
+
+                $checkinAt = $record['日時'] ?? null;
+                if (empty($checkinAt)) {
+                    $errors[] = "{$offset} 行 : 日時列は必須です。";
+                    continue;
+                }
+                if (preg_match('/\A20\d{2}[-/](1[0-2]|0?\d)[-/](0?\d|[1-2]\d|3[01]) (0?\d|1\d|2[0-4]):(0?\d|[1-5]\d)(?P<second>:(0?\d|[1-5]\d))?\z/', $checkinAt, $checkinAtMatches) !== 1) {
+                    $errors[] = "{$offset} 行 : 日時列の書式が正しくありません。";
+                    continue;
+                }
+                if (empty($checkinAtMatches['second'])) {
+                    $checkinAt .= ':00';
+                }
+                $checkinAt = str_replace('/', '-', $checkinAt);
+                try {
+                    $ejaculation->ejaculated_date = Carbon::createFromFormat('Y-m-d H:i:s', $checkinAt);
+                } catch (\InvalidArgumentException $e) {
+                    $errors[] = "{$offset} 行 : 日時列に不正な値が入力されています。";
+                }
+
+                $ejaculation->save();
+            }
+
+            if (!empty($errors)) {
+                throw new CsvImportException($errors);
+            }
+        });
+    }
+}