Viewing file:  Invoice.php (2.9 KB) -rw-rw-r--
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<?php
namespace App\Models;
use Illuminate\Database\Eloquent\Model;
class Invoice extends Model
{
protected $fillable = [
'invoice_id',
'customer_id',
'issue_date',
'due_date',
'ref_number',
'status',
'category_id',
'created_by',
];
public static $statues = [
'Draft',
'Sent',
'Unpaid',
'Partialy Paid',
'Paid',
];
public function tax()
{
return $this->hasOne('App\Models\Tax', 'id', 'tax_id');
}
public function items()
{
return $this->hasMany('App\Models\InvoiceProduct', 'invoice_id', 'id');
}
public function payments()
{
return $this->hasMany('App\Models\InvoicePayment', 'invoice_id', 'id');
}
public function customer()
{
return $this->hasOne('App\Models\Customer', 'id', 'customer_id');
}
public function getSubTotal()
{
$subTotal = 0;
foreach($this->items as $product)
{
$subTotal += ($product->price * $product->quantity);
}
return $subTotal;
}
public function getTotalTax()
{
$totalTax = 0;
foreach($this->items as $product)
{
$taxes = Utility::totalTaxRate($product->tax);
$totalTax += ($taxes / 100) * ($product->price * $product->quantity - $product->discount) ;
}
return $totalTax;
}
public function getTotalDiscount()
{
$totalDiscount = 0;
foreach($this->items as $product)
{
$totalDiscount += $product->discount;
}
return $totalDiscount;
}
public function getTotal()
{
return ($this->getSubTotal() -$this->getTotalDiscount()) + $this->getTotalTax();
// return ($this->getSubTotal() + $this->getTotalTax()) - $this->getTotalDiscount();
}
public function getDue()
{
$due = 0;
foreach($this->payments as $payment)
{
$due += $payment->amount;
}
return ($this->getTotal() - $due) - $this->invoiceTotalCreditNote();
}
public static function change_status($invoice_id, $status)
{
$invoice = Invoice::find($invoice_id);
$invoice->status = $status;
$invoice->update();
}
public function category()
{
return $this->hasOne('App\Models\ProductServiceCategory', 'id', 'category_id');
}
public function creditNote()
{
return $this->hasMany('App\Models\CreditNote', 'invoice', 'id');
}
public function invoiceTotalCreditNote()
{
return $this->hasMany('App\Models\CreditNote', 'invoice', 'id')->sum('amount');
}
public function lastPayments()
{
return $this->hasOne('App\Models\InvoicePayment', 'id', 'invoice_id');
}
public function taxes()
{
return $this->hasOne('App\Models\Tax', 'id', 'tax');
}
}
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