Extract schemas from url (#150)

swagger_parser/bin/extract_schemas_from_url.dart

@@ -0,0 +1,22 @@
+import 'package:swagger_parser/src/config/yaml_config.dart';
+import 'package:swagger_parser/src/utils/utils.dart';
+import 'package:swagger_parser/swagger_parser.dart';
+
+/// Used for run `dart run swagger_parser`
+Future<void> main(List<String> arguments) async {
+  introMessage();
+  try {
+    /// Run generate from YAML config
+    final configs = YamlConfig.parseConfigsFromYamlFile(arguments);
+
+    generateMessage();
+    for (final config in configs) {
+      final generator = Generator.fromYamlConfig(config);
+      await generator.fetchSchemaContent();
+    }
+
+    doneExtractMessage();
+  } on Exception catch (e) {
+    exitWithError('Failed to extract schemas from url.\n$e');
+  }
+}

swagger_parser/lib/src/generator/generator.dart

@@ -196,7 +196,7 @@ final class Generator {
   Future<(OpenApiInfo, GenerationStatistics)> generateFiles() async {
     final stopwatch = Stopwatch()..start();
 
-    await _fetchSchemaContent();
+    await fetchSchemaContent();
     _parseOpenApiDefinitionFile();
     await _generateFiles();
 
@@ -219,12 +219,12 @@ final class Generator {
   /// Generates content of files based on OpenApi definition file
   /// and return list of [GeneratedFile]
   Future<List<GeneratedFile>> generateContent() async {
-    await _fetchSchemaContent();
+    await fetchSchemaContent();
     _parseOpenApiDefinitionFile();
     return _fillContent();
   }
 
-  Future<void> _fetchSchemaContent() async {
+  Future<void> fetchSchemaContent() async {
     final url = _schemaUrl;
     final path = _schemaPath;
 

swagger_parser/lib/src/utils/utils.dart

@@ -197,6 +197,10 @@ void doneMessage({
   }
 }
 
+void doneExtractMessage() {
+  stdout.writeln('${_green}The extraction was completed successfully.$_reset');
+}
+
 void exitWithError(String message) {
   stderr.writeln('${_red}ERROR: $message$_reset');
   exit(2);