webstatement/app/Models/Account.php

<?php

namespace Modules\Webstatement\Models;

use Illuminate\Database\Eloquent\Model;
use Illuminate\Database\Eloquent\Factories\HasFactory;
// use Modules\Webstatement\Database\Factories\AccountFactory;

class Account extends Model
{
    use HasFactory;

    /**
     * The attributes that are mass assignable.
     */
    protected $fillable = [
        'account_number',
        'customer_code',
        'currency',
        'opening_date',
        'branch_code',
        'open_category',
        'start_year_bal',
        'closure_date',
        'account_type',
        'stmt_email',
        'stmt_sent_type',
        'open_actual_bal',
        'open_cleared_bal'
    ];

    // Relationships
    public function customer()
    {
        return $this->belongsTo(Customer::class, 'customer_code', 'customer_code');
    }
    
    /**
     * Get all balances for this account.
     */
    public function balances()
    {
        return $this->hasMany(AccountBalance::class, 'account_number', 'account_number');
    }
    
    /**
     * Get balance for a specific period.
     * 
     * @param string $period Format: YYYY-MM
     * @return AccountBalance|null
     */
    public function getBalanceForPeriod($period)
    {
        return $this->balances()->where('period', $period)->first();
    }
}