add payFree & trans

Author: rez1dent3

resources/lang/en/errors.php

@@ -0,0 +1,8 @@
+<?php
+
+return [
+    'price_positive' => 'The price should be positive',
+    'product_stock' => 'The product is out of stock',
+    'wallet_empty' => 'Wallet is empty',
+    'insufficient_funds' => 'Insufficient funds',
+];

src/Exceptions/BalanceIsEmpty.php

@@ -2,7 +2,7 @@
 
 namespace Bavix\Wallet\Exceptions;
 
-class BalanceIsEmpty extends \LogicException
+class BalanceIsEmpty extends InsufficientFunds
 {
 
 }

src/Exceptions/InsufficientFunds.php

@@ -0,0 +1,8 @@
+<?php
+
+namespace Bavix\Wallet\Exceptions;
+
+class InsufficientFunds extends \LogicException
+{
+
+}

src/Traits/CanBePaid.php

@@ -14,6 +14,19 @@ trait CanBePaid
 
     use HasWallet;
 
+    /**
+     * @param Product $product
+     * @return Transfer
+     */
+    public function payFree(Product $product): Transfer
+    {
+        if (!$product->canBuy($this)) {
+            throw new ProductEnded(trans('wallet::errors.product_stock'));
+        }
+
+        return $this->transfer($product, 0, $product->getMetaProduct());
+    }
+
     /**
      * @param Product $product
      * @param bool $force
@@ -23,7 +36,7 @@ trait CanBePaid
     public function pay(Product $product, bool $force = false): Transfer
     {
         if (!$product->canBuy($this, $force)) {
-            throw new ProductEnded('The product is out of stock');
+            throw new ProductEnded(trans('wallet::errors.product_stock'));
         }
 
         if ($force) {

src/Traits/HasWallet.php

@@ -4,6 +4,7 @@
 
 use Bavix\Wallet\Exceptions\AmountInvalid;
 use Bavix\Wallet\Exceptions\BalanceIsEmpty;
+use Bavix\Wallet\Exceptions\InsufficientFunds;
 use Bavix\Wallet\Tax;
 use Bavix\Wallet\Interfaces\Wallet;
 use Bavix\Wallet\Models\Wallet as WalletModel;
@@ -46,8 +47,8 @@ trait HasWallet
      */
     private function checkAmount(int $amount): void
     {
-        if ($amount <= 0) {
-            throw new AmountInvalid('The amount must be greater than zero');
+        if ($amount < 0) {
+            throw new AmountInvalid(trans('wallet::errors.price_positive'));
         }
     }
 
@@ -92,8 +93,12 @@ public function deposit(int $amount, ?array $meta = null, bool $confirmed = true
      */
     public function withdraw(int $amount, ?array $meta = null, bool $confirmed = true): Transaction
     {
+        if (!$this->balance) {
+            throw new BalanceIsEmpty(trans('wallet::errors.wallet_empty'));
+        }
+
         if (!$this->canWithdraw($amount)) {
-            throw new BalanceIsEmpty('Balance insufficient for write-off');
+            throw new InsufficientFunds(trans('wallet::errors.insufficient_funds'));
         }
 
         return $this->forceWithdraw($amount, $meta, $confirmed);

src/WalletServiceProvider.php

@@ -15,6 +15,11 @@ class WalletServiceProvider extends ServiceProvider
      */
     public function boot(): void
     {
+        $this->loadTranslationsFrom(
+            \dirname(__DIR__) . '/resources/lang',
+            'wallet'
+        );
+
         if (!$this->app->runningInConsole()) {
             return;
         }

tests/WalletFloatTest.php

@@ -71,7 +71,7 @@ public function testWithdraw(): void
 
     /**
      * @return void
-     * @expectedException \Bavix\Wallet\Exceptions\AmountInvalid
+     * @expectedException \Bavix\Wallet\Exceptions\BalanceIsEmpty
      */
     public function testInvalidWithdraw(): void
     {

tests/WalletTest.php

@@ -66,7 +66,7 @@ public function testWithdraw(): void
 
     /**
      * @return void
-     * @expectedException \Bavix\Wallet\Exceptions\AmountInvalid
+     * @expectedException \Bavix\Wallet\Exceptions\BalanceIsEmpty
      */
     public function testInvalidWithdraw(): void
     {