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invoiceninja/app/Models/InvoiceItem.php

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<?php
namespace App\Models;
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use Illuminate\Database\Eloquent\SoftDeletes;
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use Laracasts\Presenter\PresentableTrait;
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/**
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* Class InvoiceItem.
*/
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class InvoiceItem extends EntityModel
{
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use PresentableTrait;
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use SoftDeletes;
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/**
* @var string
*/
protected $presenter = 'App\Ninja\Presenters\InvoiceItemPresenter';
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/**
* @var array
*/
protected $dates = ['deleted_at'];
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/**
* @return mixed
*/
public function getEntityType()
{
return ENTITY_INVOICE_ITEM;
}
/**
* @var array
*/
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protected $fillable = [
'tax_name1',
'tax_rate1',
'tax_name2',
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'tax_rate2',
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'invoice_item_type_id',
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'discount',
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];
/**
* @return \Illuminate\Database\Eloquent\Relations\BelongsTo
*/
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public function invoice()
{
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return $this->belongsTo('App\Models\Invoice');
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}
/**
* @return mixed
*/
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public function user()
{
return $this->belongsTo('App\Models\User')->withTrashed();
}
/**
* @return \Illuminate\Database\Eloquent\Relations\BelongsTo
*/
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public function product()
{
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return $this->belongsTo('App\Models\Product');
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}
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/**
* @return \Illuminate\Database\Eloquent\Relations\BelongsTo
*/
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public function account()
{
return $this->belongsTo('App\Models\Account');
}
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public function getPreTaxAmount()
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{
$amount = $this->cost * $this->qty;
if ($this->discount != 0) {
if ($this->invoice->is_amount_discount) {
$amount -= $this->discount;
} else {
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$amount -= round($amount * $this->discount / 100, 4);
}
}
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return $amount;
}
public function getTaxAmount()
{
$tax = 0;
$preTaxAmount = $this->getPreTaxAmount();
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if ($this->tax_rate1) {
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$tax += round($preTaxAmount * $this->tax_rate1 / 100, 2);
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}
if ($this->tax_rate2) {
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$tax += round($preTaxAmount * $this->tax_rate2 / 100, 2);
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}
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return $tax;
}
public function amount()
{
return $this->getPreTaxAmount() + $this->getTaxAmount();
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}
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public function markFeePaid()
{
if ($this->invoice_item_type_id == INVOICE_ITEM_TYPE_PENDING_GATEWAY_FEE) {
$this->invoice_item_type_id = INVOICE_ITEM_TYPE_PAID_GATEWAY_FEE;
$this->save();
}
}
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public function hasTaxes()
{
if ($this->tax_name1 || $this->tax_rate1) {
return true;
}
if ($this->tax_name2 || $this->tax_rate2) {
return false;
}
return false;
}
public function costWithDiscount()
{
$cost = $this->cost;
if ($this->discount != 0) {
if ($this->invoice->is_amount_discount) {
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$cost -= $this->discount / $this->qty;
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} else {
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$cost -= $cost * $this->discount / 100;
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}
}
return $cost;
}
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}