admin_api/app/Models/RewardCode.php

<?php

namespace App\Models;

use Illuminate\Database\Eloquent\Model;

class RewardCode extends Model
{
    // Refer to Order model: use write connection and table agent.dbo.reward_codes
    protected $connection = 'write';

    protected $table = 'agent.dbo.reward_codes';

    protected $fillable = [
        'code',
        'expire_at',
        'total_amount',
        'min_amount',
        'max_amount',
        'total_count',
        'claimed_count',
        'claimed_amount',
        'status',
        'remark',
    ];

    protected $casts = [
        'expire_at' => 'datetime',
        'total_amount' => 'float',
        'min_amount' => 'float',
        'max_amount' => 'float',
        'total_count' => 'integer',
        'claimed_count' => 'integer',
        'claimed_amount' => 'float',
        'status' => 'integer',
    ];
}