Added INS option to ShipmentOptions

src/Resources/Parcel.php

@@ -76,11 +76,24 @@ public function signature(): self
         return $this;
     }
 
+    /**
+     * Set the amount for "Insured" in EUR.
+     *
+     * @param  int|float  $value
+     * @return $this
+     */
+    public function setInsured($value): self
+    {
+        $this->options->setInsured($value);
+
+        return $this;
+    }
+
     /**
      * Set the shipment options for this parcel.
      *
      * @param  \Mvdnbrk\DhlParcel\Resources\ShipmentOptions|array  $value
-     * @return  void
+     * @return void
      */
     public function setOptionsAttribute($value): void
     {
@@ -115,7 +128,7 @@ public function servicePoint(string $value): self
      * Set the amount for "Cash On Delivery" in EUR.
      *
      * @param  int|float  $value
-     * @return  $this
+     * @return $this
      */
     public function cashOnDelivery($value): self
     {

src/Resources/ShipmentOptions.php

@@ -30,6 +30,9 @@ class ShipmentOptions extends BaseResource
     /** @var bool */
     public $signature;
 
+    /** @var int|float */
+    protected $insured;
+
     public function __construct(array $attributes = [])
     {
         $this->setDefaultOptions();
@@ -90,6 +93,17 @@ public function setCashOnDelivery($value): void
         $this->cash_on_delivery = $value;
     }
 
+    /**
+     * Set the amount for the option "INS" in EUR.
+     *
+     * @param  int|float  $value
+     * @return void
+     */
+    public function setInsured($value): void
+    {
+        $this->insured = $value;
+    }
+
     public function toArray(): array
     {
         return collect()
@@ -136,6 +150,12 @@ public function toArray(): array
                     'key' => 'EVE',
                 ]);
             })
+            ->when($this->insured, function ($collection) {
+                return $collection->push([
+                    'key' => 'INS',
+                    'input' => $this->insured,
+                ]);
+            })
             ->all();
     }
 }

tests/Unit/Resources/ShipmentOptionsTest.php

@@ -201,4 +201,26 @@ public function to_array_with_cash_on_delivery()
             ],
         ], $array);
     }
+
+    /** @test */
+    public function to_array_with_insured()
+    {
+        $options = new ShipmentOptions([
+            'insured' => 150,
+        ]);
+
+        $array = $options->toArray();
+
+        $this->assertIsArray($array);
+
+        $this->assertEquals([
+            [
+                'key' => 'DOOR',
+            ],
+            [
+                'key' => 'INS',
+                'input' => 150,
+            ],
+        ], $array);
+    }
 }