erpsaas/app/Models/Contact.php

<?php

namespace App\Models;

use App\Models\Document\Document;
use App\Models\Setting\Currency;
use Illuminate\Database\Eloquent\Factories\HasFactory;
use Illuminate\Database\Eloquent\Model;
use Illuminate\Database\Eloquent\Relations\BelongsTo;
use Illuminate\Database\Eloquent\Relations\HasMany;
use Wallo\FilamentCompanies\FilamentCompanies;

class Contact extends Model
{
    use HasFactory;

    protected $table = 'contacts';

    protected $fillable = [
        'company_id',
        'entity',
        'type',
        'name',
        'email',
        'tax_number',
        'phone',
        'address',
        'city',
        'zip_code',
        'state',
        'country',
        'website',
        'currency_code',
        'reference',
        'created_by',
    ];

    protected $casts = [
        'enabled' => 'boolean',
    ];

    public function company(): BelongsTo
    {
        return $this->belongsTo(FilamentCompanies::companyModel(), 'company_id');
    }

    public function createdBy(): BelongsTo
    {
        return $this->belongsTo(FilamentCompanies::userModel(), 'created_by');
    }

    public function currency(): BelongsTo
    {
        return $this->belongsTo(Currency::class, 'currency_code', 'code');
    }

    public function documents(): HasMany
    {
        return $this->hasMany(Document::class);
    }

    public function bills(): HasMany
    {
        return $this->documents()->where('type', 'bill');
    }

    public function invoices(): HasMany
    {
        return $this->documents()->where('type', 'invoice');
    }

    public function scopeVendor($query)
    {
        return $query->where('type', 'vendor');
    }

    public function scopeCustomer($query)
    {
        return $query->where('type', 'customer');
    }

    public function scopeEmployee($query)
    {
        return $query->where('type', 'employee');
    }

    public function scopeCompany($query)
    {
        return $query->where('entity', 'company');
    }

    public function scopeIndividual($query)
    {
        return $query->where('entity', 'individual');
    }
}