make custom resolver optionally required to continue the crawl #15

example/config.json

@@ -138,6 +138,7 @@
                 "resolver":
                 {
                     "enabled":true,
+                    "require":false,
                     "providers":
                     [
                         "1.1.1.1",

src/cli/document/crawl.php

@@ -294,6 +294,9 @@ foreach($index->search('')
                 }
 
                 else
+                {
+                    // Custom resolver required to continue
+                    if ($config->cli->document->crawl->resolver->require)
                     {
                         // Log event
                         if ($config->cli->document->crawl->debug->level->warning)
@@ -316,6 +319,27 @@ foreach($index->search('')
                         );
                     }
 
+                    // Use system-wide resolver, break the pending loop
+                    else
+                    {
+                        if ($config->cli->document->crawl->debug->level->warning)
+                        {
+                            echo sprintf(
+                                _('[%s] [warning] could not resolve "%s" (attempt: %d, response: %s), use system-wide...') . PHP_EOL,
+                                date('c'),
+                                $base->getHost(),
+                                $attempt++,
+                                print_r(
+                                    $errors,
+                                    true
+                                )
+                            );
+                        }
+
+                        break;
+                    }
+                }
+
             } while (!$resolved);
         }
     }