Improve handling invalid date with CSV import

app/Ninja/Import/BaseTransformer.php

@@ -5,6 +5,7 @@ namespace App\Ninja\Import;
 use Carbon;
 use League\Fractal\TransformerAbstract;
 use Utils;
+use Exception;
 
 /**
  * Class BaseTransformer.
@@ -158,6 +159,7 @@ class BaseTransformer extends TransformerAbstract
                 $date = new Carbon($date);
             } catch (Exception $e) {
                 // if we fail to parse return blank
+                $date = false;
             }
         }
 

app/Services/ImportService.php

@@ -30,6 +30,7 @@ use parsecsv;
 use Session;
 use stdClass;
 use Utils;
+use Carbon;
 
 /**
  * Class ImportService.
@@ -594,8 +595,24 @@ class ImportService
             'hasHeaders' => $hasHeaders,
             'columns' => $columns,
             'mapped' => $mapped,
+            'warning' => false,
         ];
 
+        // check that dates are valid
+        if (count($data['data']) > 1) {
+            $row = $data['data'][1];
+            foreach ($mapped as $index => $field) {
+                if (! strstr($field, 'date')) {
+                    continue;
+                }
+                try {
+                    $date = new Carbon($row[$index]);
+                } catch(Exception $e) {
+                    $data['warning'] = 'invalid_date';
+                }
+            }
+        }
+
         return $data;
     }
 

resources/lang/en/texts.php

@@ -2296,6 +2296,7 @@ $LANG = array(
     'credit_number_help' => 'Specify a prefix or use a custom pattern to dynamically set the credit number for negative invoices.',
     'next_credit_number' => 'The next credit number is :number.',
     'padding_help' => 'The number of zero\'s to pad the number.',
+    'import_warning_invalid_date' => 'Warning: The date format appears to be invalid.',
 
 );
 

resources/views/accounts/partials/map.blade.php

@@ -10,6 +10,10 @@
 
     <p>&nbsp;</p>
 
+    @if (! empty($warning))
+        <div class="alert alert-warning">{{ trans('texts.import_warning_' . $warning) }}</div>
+    @endif
+
     <table class="table invoice-table">
         <thead>
             <tr>