なんもわからんわー

app/Console/Commands/NormalizeTags.php

@@ -0,0 +1,50 @@
+<?php
+
+namespace App\Console\Commands;
+
+use App\Tag;
+use App\Utilities\Formatter;
+use Illuminate\Console\Command;
+
+class NormalizeTags extends Command
+{
+    /**
+     * The name and signature of the console command.
+     *
+     * @var string
+     */
+    protected $signature = 'tissue:tag:normalize';
+
+    /**
+     * The console command description.
+     *
+     * @var string
+     */
+    protected $description = 'Normalize tags';
+
+    private $formatter;
+
+    /**
+     * Create a new command instance.
+     *
+     * @return void
+     */
+    public function __construct(Formatter $formatter)
+    {
+        parent::__construct();
+        $this->formatter = $formatter;
+    }
+
+    /**
+     * Execute the console command.
+     *
+     * @return mixed
+     */
+    public function handle()
+    {
+        foreach (Tag::query()->orderBy('name')->cursor() as $tag) {
+            $normalizedName = $this->formatter->normalizeToSearchIndex($tag->name);
+            $this->line("{$tag->name} : {$normalizedName}");
+        }
+    }
+}

app/Utilities/Formatter.php

@@ -132,4 +132,15 @@ class Formatter
 
         return $bytes . 'B';
     }
+
+    public function normalizeToSearchIndex(string $text): string
+    {
+        $text = \Normalizer::normalize($text, \Normalizer::FORM_KC);
+//        $text = \Transliterator::create('Katakana-Hiragana')->transliterate($text);
+        $text = mb_convert_kana($text, 'c');
+        $text = preg_replace('/[^\p{L}\p{N}]/u', '', $text);
+        $text = mb_strtolower($text);
+
+        return $text;
+    }
 }