43 lines
1.1 KiB
PHP
43 lines
1.1 KiB
PHP
<?php
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declare(strict_types=1);
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namespace App\Support;
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use Illuminate\Support\Facades\DB;
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use Illuminate\Support\Str;
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class SlugGenerator
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{
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/**
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* spatie/tags 的 tags.slugger 回调：拉丁字符用 Str::slug，纯中文名回退 crc32 形式。
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*/
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public static function slug(string $string): string
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{
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$slug = Str::slug($string, '-', 'en');
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return $slug === '' ? 'tag-'.crc32($string) : $slug;
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}
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/**
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* 生成唯一 slug。中文标题自动回退为 $fallback 或 crc32 形式。
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*/
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public static function make(string $string, string $table, string $column = 'slug', ?int $ignoreId = null, ?string $fallback = null): string
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{
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$slug = Str::slug($string, '-', 'en');
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if ($slug === '' || $slug === null) {
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$slug = $fallback ?? $table.'-'.crc32($string);
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}
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$base = $slug;
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$i = 2;
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while (DB::table($table)->where($column, $slug)->where('id', '!=', $ignoreId ?? 0)->exists()) {
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$slug = $base.'-'.$i++;
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}
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return $slug;
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}
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}
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