Invoice rendering for service, and unit testing for Invoice Item quantity

app/Models/InvoiceItem.php

@@ -4,6 +4,7 @@ namespace App\Models;
 
 use Illuminate\Database\Eloquent\Model;
 use Illuminate\Support\Arr;
+use Leenooks\Carbon;
 
 class InvoiceItem extends Model
 {
@@ -36,6 +37,36 @@ class InvoiceItem extends Model
 
 	/** ATTRIBUTES **/
 
+	/**
+	 * Start date for the invoice item line
+	 *
+	 * We need cast this value to a Leenooks\Carbon for access to startOfHalf() endOfHalf() methods
+	 *
+	 * @param $value
+	 * @return Carbon
+	 * @throws \Exception
+	 */
+	public function getDateStartAttribute($value)
+	{
+		if (! is_null($value))
+			return Carbon::createFromTimestamp($value);
+	}
+
+	/**
+	 * End date for the invoice item line
+	 *
+	 * We need cast this value to a Leenooks\Carbon for access to startOfHalf() endOfHalf() methods
+	 *
+	 * @param $value
+	 * @return Carbon
+	 * @throws \Exception
+	 */
+	public function getDateStopAttribute($value)
+	{
+		if (! is_null($value))
+			return Carbon::createFromTimestamp($value);
+	}
+
 	public function getItemTypeNameAttribute()
 	{
 		$types = [