#208 - Support dart retrofit 4.1.0 @Extras parameter option

swagger_parser/CHANGELOG.md

@@ -1,3 +1,7 @@
+## 1.16.5
+
+- Add new config parameter `extras_parameter_by_default` from [retrofit 4.1.0](https://pub.dev/packages/retrofit/changelog#410) for ([#208][https://github.com/Carapacik/swagger_parser/issues/208])
+
 ## 1.16.4
 
 - Fixed errors with `required_by_default`

swagger_parser/README.md

@@ -79,6 +79,11 @@ swagger_parser:
   # Optional. Set default content-type for all requests.
   default_content_type: "application/json"
 
+  # Optional (dart only).
+  # Support @Extras annotation for interceptors.
+  # If the value is 'true', then the annotation will be added to all requests.
+  extras_parameter_by_default: false
+
   # Optional (dart only).
   # It is used if the value does not have the annotations 'required' and 'nullable'. 
   # If the value is 'true', then value be 'required', if the value is 'false', then 'nullable'.

swagger_parser/lib/src/config/swp_config.dart

@@ -27,6 +27,7 @@ class SWPConfig {
     this.originalHttpResponse = false,
     this.replacementRules = const [],
     this.defaultContentType = 'application/json',
+    this.extrasParameterByDefault = false,
     this.pathMethodName = false,
     this.requiredByDefault = true,
     this.mergeClients = false,
@@ -53,6 +54,7 @@ class SWPConfig {
     required this.originalHttpResponse,
     required this.replacementRules,
     required this.defaultContentType,
+    required this.extrasParameterByDefault,
     required this.pathMethodName,
     required this.requiredByDefault,
     required this.mergeClients,
@@ -117,6 +119,13 @@ class SWPConfig {
       );
     }
 
+    final extrasParameterByDefault = yamlMap['extras_parameter_by_default'];
+    if (extrasParameterByDefault is! bool?) {
+      throw const ConfigException(
+        "Config parameter 'add_extra_parameter' must be bool.",
+      );
+    }
+
     final pathMethodName = yamlMap['path_method_name'];
     if (pathMethodName is! bool?) {
       throw const ConfigException(
@@ -276,6 +285,8 @@ class SWPConfig {
       name: name,
       pathMethodName: pathMethodName ?? dc.pathMethodName,
       defaultContentType: defaultContentType ?? dc.defaultContentType,
+      extrasParameterByDefault:
+          extrasParameterByDefault ?? dc.extrasParameterByDefault,
       requiredByDefault: requiredByDefault ?? dc.requiredByDefault,
       mergeClients: mergeClients ?? dc.mergeClients,
       enumsParentPrefix: enumsParentPrefix ?? dc.enumsParentPrefix,
@@ -362,6 +373,14 @@ class SWPConfig {
   /// @Headers(<String, String>{'Content-Type': 'PARSED CONTENT TYPE'})
   final String defaultContentType;
 
+  /// DART ONLY
+  /// Add extra parameter to all requests. Supported after retrofit 4.1.0.
+  ///
+  ///
+  /// @POST('/path/')
+  /// Future<String> myMethod({@Extras() Map<String, dynamic>? extras});
+  final bool extrasParameterByDefault;
+
   /// DART ONLY
   /// It is used if the value does not have the annotations `required` and `nullable`.
   /// If the value is `true`, then value be `required`.
@@ -389,6 +408,7 @@ class SWPConfig {
       language: language,
       jsonSerializer: jsonSerializer,
       defaultContentType: defaultContentType,
+      extrasParameterByDefault: extrasParameterByDefault,
       rootClient: rootClient,
       rootClientName: rootClientName,
       clientPostfix: clientPostfix,

swagger_parser/lib/src/generator/config/generator_config.dart

@@ -12,6 +12,7 @@ class GeneratorConfig {
     this.jsonSerializer = JsonSerializer.jsonSerializable,
     this.defaultContentType = 'application/json',
     this.rootClient = true,
+    this.extrasParameterByDefault = false,
     this.rootClientName = 'RestClient',
     this.clientPostfix,
     this.exportFile = true,
@@ -80,6 +81,14 @@ class GeneratorConfig {
   /// @Headers(<String, String>{'Content-Type': 'PARSED CONTENT TYPE'})
   final String defaultContentType;
 
+  /// DART ONLY
+  /// Add extras parameter to all requests. Supported after retrofit 4.1.0.
+  ///
+  ///
+  /// @POST('/path/')
+  /// Future<String> myMethod({@Extras() Map<String, dynamic>? extras});
+  final bool extrasParameterByDefault;
+
   /// Optional. Set regex replacement rules for the names of the generated classes/enums.
   /// All rules are applied in order.
   final List<ReplacementRule> replacementRules;

swagger_parser/lib/src/generator/generator/fill_controller.dart

@@ -48,6 +48,7 @@ final class FillController {
         restClient.name.toPascal + postfix.toPascal,
         markFilesAsGenerated: config.markFilesAsGenerated,
         defaultContentType: config.defaultContentType,
+        addExtraParameter: config.extrasParameterByDefault,
         originalHttpResponse: config.originalHttpResponse,
       ),
     );

swagger_parser/lib/src/generator/model/programming_language.dart

@@ -109,6 +109,7 @@ enum ProgrammingLanguage {
     String name, {
     required bool markFilesAsGenerated,
     required String defaultContentType,
+    required bool addExtraParameter,
     bool originalHttpResponse = false,
   }) =>
       switch (this) {
@@ -117,6 +118,7 @@ enum ProgrammingLanguage {
             name: name,
             markFileAsGenerated: markFilesAsGenerated,
             defaultContentType: defaultContentType,
+            extrasParameterByDefault: addExtraParameter,
             originalHttpResponse: originalHttpResponse,
           ),
         kotlin => kotlinRetrofitClientTemplate(

swagger_parser/lib/src/generator/templates/dart_retrofit_client_template.dart

@@ -12,6 +12,7 @@ String dartRetrofitClientTemplate({
   required String name,
   required bool markFileAsGenerated,
   required String defaultContentType,
+  required bool extrasParameterByDefault,
   bool originalHttpResponse = false,
 }) {
   final sb = StringBuffer(
@@ -32,6 +33,7 @@ abstract class $name {
         request,
         defaultContentType,
         originalHttpResponse: originalHttpResponse,
+        extrasParameterByDefault: extrasParameterByDefault,
       ),
     );
   }
@@ -43,6 +45,7 @@ String _toClientRequest(
   UniversalRequest request,
   String defaultContentType, {
   required bool originalHttpResponse,
+  required bool extrasParameterByDefault,
 }) {
   final responseType = request.returnType == null
       ? 'void'
@@ -53,7 +56,7 @@ String _toClientRequest(
   ${descriptionComment(request.description, tabForFirstLine: false, tab: '  ', end: '  ')}${request.isDeprecated ? "@Deprecated('This method is marked as deprecated')\n  " : ''}${_contentTypeHeader(request, defaultContentType)}@${request.requestType.name.toUpperCase()}('${request.route}')
   Future<${originalHttpResponse ? 'HttpResponse<$responseType>' : responseType}> ${request.name}(''',
   );
-  if (request.parameters.isNotEmpty) {
+  if (request.parameters.isNotEmpty || extrasParameterByDefault) {
     sb.write('{\n');
   }
   final sortedByRequired = List<UniversalRequestType>.from(
@@ -62,7 +65,10 @@ String _toClientRequest(
   for (final parameter in sortedByRequired) {
     sb.write('${_toParameter(parameter)}\n');
   }
-  if (request.parameters.isNotEmpty) {
+  if (extrasParameterByDefault) {
+    sb.write(_addExtraParameter());
+  }
+  if (request.parameters.isNotEmpty || extrasParameterByDefault) {
     sb.write('  });\n');
   } else {
     sb.write(');\n');
@@ -87,6 +93,8 @@ String _fileImport(UniversalRestClient restClient) => restClient.requests.any(
         ? "import 'dart:io';\n\n"
         : '';
 
+String _addExtraParameter() => '    @Extras() Map<String, dynamic>? extras,\n';
+
 String _toParameter(UniversalRequestType parameter) {
   var parameterType = parameter.type.toSuitableType(ProgrammingLanguage.dart);
   // https://github.com/trevorwang/retrofit.dart/issues/631

swagger_parser/lib/src/parser/model/universal_request_type.dart

@@ -54,6 +54,9 @@ enum HttpParameterType {
   /// `@Body`
   body('Body'),
 
+  /// `@Extras`
+  extras('Extras'),
+
   /// `@Query`
   query('Query'),
 

swagger_parser/pubspec.yaml

@@ -1,6 +1,6 @@
 name: swagger_parser
 description: Package that generates REST clients and data classes from OpenApi definition file
-version: 1.16.4
+version: 1.16.5
 repository: https://github.com/Carapacik/swagger_parser/tree/main/swagger_parser
 homepage: https://omega-r.com
 topics: