hose1021 · October 17, 2021 20:55 · Oct 17, 2021 · Oct 17, 2021
diff --git a/HasSlug → HasSlug.php b/HasSlug → HasSlug.php
diff --git a/HasSlug b/HasSlug
@@ -0,0 +1,47 @@
+<?php
+
+namespace Shopper\Framework\Models\Traits;
+
+use Illuminate\Support\Str;
+
+trait HasSlug
+{
+    public function slug(): string
+    {
+        return $this->slug;
+    }
+
+    public function setSlugAttribute(string $slug)
+    {
+        $this->attributes['slug'] = $this->generateUniqueSlug($slug);
+    }
+
+    public static function findBySlug(string $slug): self
+    {
+        return static::where('slug', $slug)->firstOrFail();
+    }
+
+    protected function generateUniqueSlug(string $value): string
+    {
+        $slug = $originalSlug = Str::slug($value) ?: Str::random(5);
+        $counter = 0;
+
+        while ($this->slugExists($slug, $this->exists ? $this->id : null)) {
+            $counter++;
+            $slug = $originalSlug . '-' . $counter;
+        }
+
+        return $slug;
+    }
+
+    private function slugExists(string $slug, ?int $ignoreId = null): bool
+    {
+        $query = $this->where('slug', $slug);
+
+        if ($ignoreId) {
+            $query->where('id', '!=', $ignoreId);
+        }
+
+        return $query->exists();
+    }
+}