reconstruction of the project

app/Models/Setting.php

@@ -0,0 +1,113 @@
+<?php
+
+namespace App\Models;
+
+use App\Models\BaseModel;
+use Illuminate\Database\Eloquent\Relations\BelongsTo;
+use Illuminate\Support\Facades\Cache;
+
+class Setting extends BaseModel
+{
+    protected $table = 'settings';
+
+    protected $fillable = [
+        'name',
+        'timezone',
+        'updated_by',
+        'created_at',
+        'updated_at',
+    ];
+
+    public $timestamps = true;
+
+    protected $casts = [
+        'updated_by' => 'integer',
+        'created_at' => 'datetime',
+        'updated_at' => 'datetime',
+    ];
+
+    /* ============================================================
+     * Relationships (optional)
+     * ============================================================
+     */
+
+    public function updater(): BelongsTo
+    {
+        // Change Admin::class to your actual user model if needed
+        return $this->belongsTo(Admin::class, 'updated_by');
+    }
+
+    /* ============================================================
+     * Singleton helpers (1-row settings table)
+     * ============================================================
+     */
+
+    /**
+     * Get the singleton settings row.
+     * - If missing, creates id=1.
+     */
+    public static function singleton(): self
+    {
+        return static::query()->first() ?? static::query()->create([
+            // set safe defaults if you want
+            'name'     => 'App',
+            'timezone' => config('app.timezone', 'UTC'),
+        ]);
+    }
+
+    /**
+     * CI-compatible: getSettings()
+     * Returns the settings model (single row).
+     */
+    public static function getSettings(): self
+    {
+        return static::singleton();
+    }
+
+    /**
+     * CI-compatible: updateSettings($data)
+     * Updates the singleton row and returns bool.
+     */
+    public static function updateSettings(array $data): bool
+    {
+        $settings = static::singleton();
+        return $settings->fill($data)->save();
+    }
+
+    /* ============================================================
+     * Performance: cached settings (optional)
+     * ============================================================
+     */
+
+    public static function cached(int $ttlSeconds = 300): self
+    {
+        return Cache::remember('app_settings_singleton', $ttlSeconds, function () {
+            return static::singleton();
+        });
+    }
+
+    public static function clearCache(): void
+    {
+        Cache::forget('app_settings_singleton');
+    }
+
+    protected static function booted(): void
+    {
+        static::saved(fn () => static::clearCache());
+        static::deleted(fn () => static::clearCache());
+    }
+
+    /* ============================================================
+     * Optional validation helper
+     * ============================================================
+     */
+
+    public static function rules(bool $updating = false): array
+    {
+        return [
+            'name'      => ['nullable', 'string', 'max:255'],
+            'timezone'  => ['nullable', 'string', 'max:80'], // validate against a list if you want
+            'updated_by'=> ['nullable', 'integer'],
+        ];
+    }
+}