first&last

app/Models/Setting.php

@@ -0,0 +1,59 @@
+<?php
+
+namespace App\Models;
+
+use Illuminate\Database\Eloquent\Factories\HasFactory;
+use Illuminate\Database\Eloquent\Model;
+
+class Setting extends Model
+{
+    use HasFactory;
+
+    protected $fillable = [
+        'key',
+        'value',
+        'type',
+    ];
+
+    public static function getValue(string $key, mixed $default = null): mixed
+    {
+        $setting = static::query()->where('key', $key)->first();
+
+        if (!$setting) {
+            return $default;
+        }
+
+        return $setting->castValue();
+    }
+
+    public static function setValue(string $key, mixed $value, string $type = 'string'): self
+    {
+        return static::query()->updateOrCreate(
+            ['key' => $key],
+            ['value' => static::serializeValue($value, $type), 'type' => $type]
+        );
+    }
+
+    public function castValue(): mixed
+    {
+        return match ($this->type) {
+            'integer' => (int) $this->value,
+            'boolean' => filter_var($this->value, FILTER_VALIDATE_BOOLEAN),
+            'json' => $this->value ? json_decode($this->value, true, 512, JSON_THROW_ON_ERROR) : [],
+            default => $this->value,
+        };
+    }
+
+    private static function serializeValue(mixed $value, string $type): ?string
+    {
+        if ($value === null) {
+            return null;
+        }
+
+        return match ($type) {
+            'json' => json_encode($value, JSON_THROW_ON_ERROR),
+            'boolean' => $value ? '1' : '0',
+            default => (string) $value,
+        };
+    }
+}